Merge branch 'main' into glitch-soc/merge-upstream

Conflicts:
- `.prettierignore`:
  Upstream added a line at the end of the file, while glitch-soc had its own
  extra lines.
  Took upstream's change.
- `CONTRIBUTING.md`:
  We have our custom CONTRIBUTING.md quoting upstream. Upstream made changes.
  Ported upstream changes.
- `app/controllers/application_controller.rb`:
  Upstream made code style changes in a method that is entirely replaced
  in glitch-soc.
  Ignored the change.
- `app/models/account.rb`:
  Code style changes textually close to glitch-soc-specific changes.
  Ported upstream changes.
- `lib/sanitize_ext/sanitize_config.rb`:
  Upstream code style changes.
  Ignored them.

427 files changed, 1574 insertions, 819 deletions

diff --git a/spec/config/initializers/rack_attack_spec.rb b/spec/config/initializers/rack_attack_spec.rb
index 50d4505b7..cc931b21b 100644
--- a/spec/config/initializers/rack_attack_spec.rb
+++ b/spec/config/initializers/rack_attack_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 describe Rack::Attack do
@@ -8,6 +10,17 @@ describe Rack::Attack do
   end
 
   shared_examples 'throttled endpoint' do
+    before do
+      # Rack::Attack periods are not rolling, so avoid flaky tests by setting the time in a way
+      # to avoid crossing period boundaries.
+
+      # The code Rack::Attack uses to set periods is the following:
+      # https://github.com/rack/rack-attack/blob/v6.6.1/lib/rack/attack/cache.rb#L64-L66
+      # So we want to minimize `Time.now.to_i % period`
+
+      travel_to Time.zone.at((Time.now.to_i / period.seconds).to_i * period.seconds)
+    end
+
     context 'when the number of requests is lower than the limit' do
       it 'does not change the request status' do
         limit.times do
@@ -18,11 +31,16 @@ describe Rack::Attack do
     end
 
     context 'when the number of requests is higher than the limit' do
-      it 'returns http too many requests' do
+      it 'returns http too many requests after limit and returns to normal status after period' do
         (limit * 2).times do |i|
           request.call
           expect(last_response.status).to eq(429) if i > limit
         end
+
+        travel period
+
+        request.call
+        expect(last_response.status).to_not eq(429)
       end
     end
   end
@@ -31,7 +49,8 @@ describe Rack::Attack do
 
   describe 'throttle excessive sign-up requests by IP address' do
     context 'through the website' do
-      let(:limit) { 25 }
+      let(:limit)  { 25 }
+      let(:period) { 5.minutes }
       let(:request) { -> { post path, {}, 'REMOTE_ADDR' => remote_ip } }
 
       context 'for exact path' do
@@ -48,7 +67,8 @@ describe Rack::Attack do
     end
 
     context 'through the API' do
-      let(:limit) { 5 }
+      let(:limit)  { 5 }
+      let(:period) { 30.minutes }
       let(:request) { -> { post path, {}, 'REMOTE_ADDR' => remote_ip } }
 
       context 'for exact path' do
@@ -69,7 +89,8 @@ describe Rack::Attack do
   end
 
   describe 'throttle excessive sign-in requests by IP address' do
-    let(:limit) { 25 }
+    let(:limit)  { 25 }
+    let(:period) { 5.minutes }
     let(:request) { -> { post path, {}, 'REMOTE_ADDR' => remote_ip } }
 
     context 'for exact path' do
diff --git a/spec/controllers/about_controller_spec.rb b/spec/controllers/about_controller_spec.rb
index 97143ec43..ccd28a96c 100644
--- a/spec/controllers/about_controller_spec.rb
+++ b/spec/controllers/about_controller_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe AboutController, type: :controller do
diff --git a/spec/controllers/accounts_controller_spec.rb b/spec/controllers/accounts_controller_spec.rb
index db588156c..9c38b3032 100644
--- a/spec/controllers/accounts_controller_spec.rb
+++ b/spec/controllers/accounts_controller_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe AccountsController, type: :controller do
diff --git a/spec/controllers/activitypub/collections_controller_spec.rb b/spec/controllers/activitypub/collections_controller_spec.rb
index 4e35938db..77901131e 100644
--- a/spec/controllers/activitypub/collections_controller_spec.rb
+++ b/spec/controllers/activitypub/collections_controller_spec.rb
@@ -35,10 +35,11 @@ RSpec.describe ActivityPub::CollectionsController, type: :controller do
   describe 'GET #show' do
     context 'when id is "featured"' do
       context 'without signature' do
-        let(:remote_account) { nil }
+        subject(:body) { body_as_json }
 
         subject(:response) { get :show, params: { id: 'featured', account_username: account.username } }
-        subject(:body) { body_as_json }
+
+        let(:remote_account) { nil }
 
         it 'returns http success' do
           expect(response).to have_http_status(200)
@@ -60,7 +61,7 @@ RSpec.describe ActivityPub::CollectionsController, type: :controller do
         end
 
         it 'does not include contents of private pinned status' do
-          expect(response.body).not_to include(private_pinned.text)
+          expect(response.body).to_not include(private_pinned.text)
         end
 
         context 'when account is permanently suspended' do
@@ -115,7 +116,7 @@ RSpec.describe ActivityPub::CollectionsController, type: :controller do
           end
 
           it 'does not include contents of private pinned status' do
-            expect(response.body).not_to include(private_pinned.text)
+            expect(response.body).to_not include(private_pinned.text)
           end
         end
 
diff --git a/spec/controllers/activitypub/followers_synchronizations_controller_spec.rb b/spec/controllers/activitypub/followers_synchronizations_controller_spec.rb
index c19bb8cae..8357f5f39 100644
--- a/spec/controllers/activitypub/followers_synchronizations_controller_spec.rb
+++ b/spec/controllers/activitypub/followers_synchronizations_controller_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe ActivityPub::FollowersSynchronizationsController, type: :controller do
@@ -32,10 +34,11 @@ RSpec.describe ActivityPub::FollowersSynchronizationsController, type: :controll
     end
 
     context 'with signature from example.com' do
-      let(:remote_account) { Fabricate(:account, domain: 'example.com', uri: 'https://example.com/instance') }
+      subject(:body) { body_as_json }
 
       subject(:response) { get :show, params: { account_username: account.username } }
-      subject(:body) { body_as_json }
+
+      let(:remote_account) { Fabricate(:account, domain: 'example.com', uri: 'https://example.com/instance') }
 
       it 'returns http success' do
         expect(response).to have_http_status(200)
diff --git a/spec/controllers/activitypub/inboxes_controller_spec.rb b/spec/controllers/activitypub/inboxes_controller_spec.rb
index 2f023197b..8d4084648 100644
--- a/spec/controllers/activitypub/inboxes_controller_spec.rb
+++ b/spec/controllers/activitypub/inboxes_controller_spec.rb
@@ -22,10 +22,10 @@ RSpec.describe ActivityPub::InboxesController, type: :controller do
       end
 
       context 'for a specific account' do
-        let(:account) { Fabricate(:account) }
-
         subject(:response) { post :create, params: { account_username: account.username }, body: '{}' }
 
+        let(:account) { Fabricate(:account) }
+
         context 'when account is permanently suspended' do
           before do
             account.suspend!
@@ -68,7 +68,7 @@ RSpec.describe ActivityPub::InboxesController, type: :controller do
         let(:synchronization_collection) { 'https://example.com/followers2' }
 
         it 'does not start a synchronization job' do
-          expect(ActivityPub::FollowersSynchronizationWorker).not_to have_received(:perform_async)
+          expect(ActivityPub::FollowersSynchronizationWorker).to_not have_received(:perform_async)
         end
       end
 
@@ -76,13 +76,13 @@ RSpec.describe ActivityPub::InboxesController, type: :controller do
         let(:synchronization_url) { 'https://example.org/followers' }
 
         it 'does not start a synchronization job' do
-          expect(ActivityPub::FollowersSynchronizationWorker).not_to have_received(:perform_async)
+          expect(ActivityPub::FollowersSynchronizationWorker).to_not have_received(:perform_async)
         end
       end
 
       context 'with matching digest' do
         it 'does not start a synchronization job' do
-          expect(ActivityPub::FollowersSynchronizationWorker).not_to have_received(:perform_async)
+          expect(ActivityPub::FollowersSynchronizationWorker).to_not have_received(:perform_async)
         end
       end
 
diff --git a/spec/controllers/activitypub/outboxes_controller_spec.rb b/spec/controllers/activitypub/outboxes_controller_spec.rb
index d8d42b7ae..167bbcc21 100644
--- a/spec/controllers/activitypub/outboxes_controller_spec.rb
+++ b/spec/controllers/activitypub/outboxes_controller_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe ActivityPub::OutboxesController, type: :controller do
@@ -33,10 +35,11 @@ RSpec.describe ActivityPub::OutboxesController, type: :controller do
 
   describe 'GET #show' do
     context 'without signature' do
-      let(:remote_account) { nil }
+      subject(:body) { body_as_json }
 
       subject(:response) { get :show, params: { account_username: account.username, page: page } }
-      subject(:body) { body_as_json }
+
+      let(:remote_account) { nil }
 
       context 'with page not requested' do
         let(:page) { nil }
diff --git a/spec/controllers/activitypub/replies_controller_spec.rb b/spec/controllers/activitypub/replies_controller_spec.rb
index 394d4baab..582ef863f 100644
--- a/spec/controllers/activitypub/replies_controller_spec.rb
+++ b/spec/controllers/activitypub/replies_controller_spec.rb
@@ -181,6 +181,7 @@ RSpec.describe ActivityPub::RepliesController, type: :controller do
 
   describe 'GET #index' do
     subject(:response) { get :index, params: { account_username: status.account.username, status_id: status.id, only_other_accounts: only_other_accounts } }
+
     let(:only_other_accounts) { nil }
 
     context 'with no signature' do
diff --git a/spec/controllers/admin/account_moderation_notes_controller_spec.rb b/spec/controllers/admin/account_moderation_notes_controller_spec.rb
index d3f3263f8..d2c52f594 100644
--- a/spec/controllers/admin/account_moderation_notes_controller_spec.rb
+++ b/spec/controllers/admin/account_moderation_notes_controller_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe Admin::AccountModerationNotesController, type: :controller do
@@ -26,7 +28,7 @@ RSpec.describe Admin::AccountModerationNotesController, type: :controller do
       let(:params) { { account_moderation_note: { target_account_id: target_account.id, content: '' } } }
 
       it 'falls to create a note' do
-        expect { subject }.not_to change { AccountModerationNote.count }
+        expect { subject }.to_not change { AccountModerationNote.count }
         expect(subject).to render_template 'admin/accounts/show'
       end
     end
diff --git a/spec/controllers/admin/accounts_controller_spec.rb b/spec/controllers/admin/accounts_controller_spec.rb
index 48204b7b6..b182715b0 100644
--- a/spec/controllers/admin/accounts_controller_spec.rb
+++ b/spec/controllers/admin/accounts_controller_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe Admin::AccountsController, type: :controller do
@@ -83,8 +85,8 @@ RSpec.describe Admin::AccountsController, type: :controller do
         let(:target_role) { UserRole.find_by(name: 'Admin') }
 
         it 'fails to memorialize account' do
-          is_expected.to have_http_status :forbidden
-          expect(account.reload).not_to be_memorial
+          expect(subject).to have_http_status 403
+          expect(account.reload).to_not be_memorial
         end
       end
 
@@ -92,7 +94,7 @@ RSpec.describe Admin::AccountsController, type: :controller do
         let(:target_role) { UserRole.find_by(name: 'Moderator') }
 
         it 'succeeds in memorializing account' do
-          is_expected.to redirect_to admin_account_path(account.id)
+          expect(subject).to redirect_to admin_account_path(account.id)
           expect(account.reload).to be_memorial
         end
       end
@@ -105,8 +107,8 @@ RSpec.describe Admin::AccountsController, type: :controller do
         let(:target_role) { UserRole.find_by(name: 'Admin') }
 
         it 'fails to memorialize account' do
-          is_expected.to have_http_status :forbidden
-          expect(account.reload).not_to be_memorial
+          expect(subject).to have_http_status 403
+          expect(account.reload).to_not be_memorial
         end
       end
 
@@ -114,8 +116,8 @@ RSpec.describe Admin::AccountsController, type: :controller do
         let(:target_role) { UserRole.find_by(name: 'Moderator') }
 
         it 'fails to memorialize account' do
-          is_expected.to have_http_status :forbidden
-          expect(account.reload).not_to be_memorial
+          expect(subject).to have_http_status 403
+          expect(account.reload).to_not be_memorial
         end
       end
     end
@@ -132,8 +134,8 @@ RSpec.describe Admin::AccountsController, type: :controller do
       let(:role) { UserRole.find_by(name: 'Admin') }
 
       it 'succeeds in enabling account' do
-        is_expected.to redirect_to admin_account_path(account.id)
-        expect(user.reload).not_to be_disabled
+        expect(subject).to redirect_to admin_account_path(account.id)
+        expect(user.reload).to_not be_disabled
       end
     end
 
@@ -141,7 +143,7 @@ RSpec.describe Admin::AccountsController, type: :controller do
       let(:role) { UserRole.everyone }
 
       it 'fails to enable account' do
-        is_expected.to have_http_status :forbidden
+        expect(subject).to have_http_status 403
         expect(user.reload).to be_disabled
       end
     end
@@ -162,12 +164,12 @@ RSpec.describe Admin::AccountsController, type: :controller do
       let(:role) { UserRole.find_by(name: 'Admin') }
 
       it 'succeeds in approving account' do
-        is_expected.to redirect_to admin_accounts_path(status: 'pending')
+        expect(subject).to redirect_to admin_accounts_path(status: 'pending')
         expect(user.reload).to be_approved
       end
 
       it 'logs action' do
-        is_expected.to have_http_status :found
+        expect(subject).to have_http_status 302
 
         log_item = Admin::ActionLog.last
 
@@ -182,8 +184,8 @@ RSpec.describe Admin::AccountsController, type: :controller do
       let(:role) { UserRole.everyone }
 
       it 'fails to approve account' do
-        is_expected.to have_http_status :forbidden
-        expect(user.reload).not_to be_approved
+        expect(subject).to have_http_status 403
+        expect(user.reload).to_not be_approved
       end
     end
   end
@@ -203,11 +205,11 @@ RSpec.describe Admin::AccountsController, type: :controller do
       let(:role) { UserRole.find_by(name: 'Admin') }
 
       it 'succeeds in rejecting account' do
-        is_expected.to redirect_to admin_accounts_path(status: 'pending')
+        expect(subject).to redirect_to admin_accounts_path(status: 'pending')
       end
 
       it 'logs action' do
-        is_expected.to have_http_status :found
+        expect(subject).to have_http_status 302
 
         log_item = Admin::ActionLog.last
 
@@ -222,8 +224,8 @@ RSpec.describe Admin::AccountsController, type: :controller do
       let(:role) { UserRole.everyone }
 
       it 'fails to reject account' do
-        is_expected.to have_http_status :forbidden
-        expect(user.reload).not_to be_approved
+        expect(subject).to have_http_status 403
+        expect(user.reload).to_not be_approved
       end
     end
   end
@@ -242,7 +244,7 @@ RSpec.describe Admin::AccountsController, type: :controller do
       let(:role) { UserRole.find_by(name: 'Admin') }
 
       it 'succeeds in redownloading' do
-        is_expected.to redirect_to admin_account_path(account.id)
+        expect(subject).to redirect_to admin_account_path(account.id)
       end
     end
 
@@ -250,7 +252,7 @@ RSpec.describe Admin::AccountsController, type: :controller do
       let(:role) { UserRole.everyone }
 
       it 'fails to redownload' do
-        is_expected.to have_http_status :forbidden
+        expect(subject).to have_http_status 403
       end
     end
   end
@@ -265,7 +267,7 @@ RSpec.describe Admin::AccountsController, type: :controller do
       let(:role) { UserRole.find_by(name: 'Admin') }
 
       it 'succeeds in removing avatar' do
-        is_expected.to redirect_to admin_account_path(account.id)
+        expect(subject).to redirect_to admin_account_path(account.id)
       end
     end
 
@@ -273,7 +275,7 @@ RSpec.describe Admin::AccountsController, type: :controller do
       let(:role) { UserRole.everyone }
 
       it 'fails to remove avatar' do
-        is_expected.to have_http_status :forbidden
+        expect(subject).to have_http_status 403
       end
     end
   end
@@ -303,7 +305,7 @@ RSpec.describe Admin::AccountsController, type: :controller do
 
       it 'fails to remove avatar' do
         subject
-        expect(response).to have_http_status :forbidden
+        expect(response).to have_http_status 403
       end
     end
   end
diff --git a/spec/controllers/admin/base_controller_spec.rb b/spec/controllers/admin/base_controller_spec.rb
index 44be91951..5fbf8777c 100644
--- a/spec/controllers/admin/base_controller_spec.rb
+++ b/spec/controllers/admin/base_controller_spec.rb
@@ -15,7 +15,7 @@ describe Admin::BaseController, type: :controller do
     sign_in(Fabricate(:user))
     get :success
 
-    expect(response).to have_http_status(:forbidden)
+    expect(response).to have_http_status(403)
   end
 
   it 'renders admin layout as a moderator' do
diff --git a/spec/controllers/admin/change_email_controller_spec.rb b/spec/controllers/admin/change_emails_controller_spec.rb
index 0814f327d..832998471 100644
--- a/spec/controllers/admin/change_email_controller_spec.rb
+++ b/spec/controllers/admin/change_emails_controller_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe Admin::ChangeEmailsController, type: :controller do
@@ -35,7 +37,7 @@ RSpec.describe Admin::ChangeEmailsController, type: :controller do
 
       expect(user.email).to eq previous_email
       expect(user.unconfirmed_email).to eq 'test@example.com'
-      expect(user.confirmation_token).not_to be_nil
+      expect(user.confirmation_token).to_not be_nil
 
       expect(UserMailer).to have_received(:confirmation_instructions).with(user, user.confirmation_token, { to: 'test@example.com' })
 
diff --git a/spec/controllers/admin/confirmations_controller_spec.rb b/spec/controllers/admin/confirmations_controller_spec.rb
index 6268903c4..d05711e27 100644
--- a/spec/controllers/admin/confirmations_controller_spec.rb
+++ b/spec/controllers/admin/confirmations_controller_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe Admin::ConfirmationsController, type: :controller do
@@ -55,7 +57,7 @@ RSpec.describe Admin::ConfirmationsController, type: :controller do
       it 'does not resend confirmation mail' do
         expect(subject).to redirect_to admin_accounts_path
         expect(flash[:error]).to eq I18n.t('admin.accounts.resend_confirmation.already_confirmed')
-        expect(UserMailer).not_to have_received(:confirmation_instructions)
+        expect(UserMailer).to_not have_received(:confirmation_instructions)
       end
     end
   end
diff --git a/spec/controllers/admin/custom_emojis_controller_spec.rb b/spec/controllers/admin/custom_emojis_controller_spec.rb
index 06cd0c22d..d40691e1b 100644
--- a/spec/controllers/admin/custom_emojis_controller_spec.rb
+++ b/spec/controllers/admin/custom_emojis_controller_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 describe Admin::CustomEmojisController do
diff --git a/spec/controllers/admin/disputes/appeals_controller_spec.rb b/spec/controllers/admin/disputes/appeals_controller_spec.rb
index 712657791..576a0c12b 100644
--- a/spec/controllers/admin/disputes/appeals_controller_spec.rb
+++ b/spec/controllers/admin/disputes/appeals_controller_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe Admin::Disputes::AppealsController, type: :controller do
diff --git a/spec/controllers/admin/domain_allows_controller_spec.rb b/spec/controllers/admin/domain_allows_controller_spec.rb
index 6c4e67787..2a0f47145 100644
--- a/spec/controllers/admin/domain_allows_controller_spec.rb
+++ b/spec/controllers/admin/domain_allows_controller_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe Admin::DomainAllowsController, type: :controller do
diff --git a/spec/controllers/admin/domain_blocks_controller_spec.rb b/spec/controllers/admin/domain_blocks_controller_spec.rb
index 3b2fd6c5d..ef13f7676 100644
--- a/spec/controllers/admin/domain_blocks_controller_spec.rb
+++ b/spec/controllers/admin/domain_blocks_controller_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe Admin::DomainBlocksController, type: :controller do
@@ -54,7 +56,7 @@ RSpec.describe Admin::DomainBlocksController, type: :controller do
 
       post :create, params: { domain_block: { domain: 'example.com', severity: 'silence' } }
 
-      expect(DomainBlockWorker).not_to have_received(:perform_async)
+      expect(DomainBlockWorker).to_not have_received(:perform_async)
       expect(response).to render_template :new
     end
 
@@ -72,16 +74,15 @@ RSpec.describe Admin::DomainBlocksController, type: :controller do
 
   describe 'PUT #update' do
     let!(:remote_account) { Fabricate(:account, domain: 'example.com') }
-    let(:domain_block)    { Fabricate(:domain_block, domain: 'example.com', severity: original_severity) }
+    let(:subject) do
+      post :update, params: { id: domain_block.id, domain_block: { domain: 'example.com', severity: new_severity } }
+    end
+    let(:domain_block) { Fabricate(:domain_block, domain: 'example.com', severity: original_severity) }
 
     before do
       BlockDomainService.new.call(domain_block)
     end
 
-    let(:subject) do
-      post :update, params: { id: domain_block.id, domain_block: { domain: 'example.com', severity: new_severity } }
-    end
-
     context 'downgrading a domain suspension to silence' do
       let(:original_severity) { 'suspend' }
       let(:new_severity)      { 'silence' }
diff --git a/spec/controllers/admin/export_domain_allows_controller_spec.rb b/spec/controllers/admin/export_domain_allows_controller_spec.rb
index 1e1a5ae7d..f12bd1344 100644
--- a/spec/controllers/admin/export_domain_allows_controller_spec.rb
+++ b/spec/controllers/admin/export_domain_allows_controller_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe Admin::ExportDomainAllowsController, type: :controller do
@@ -14,7 +16,7 @@ RSpec.describe Admin::ExportDomainAllowsController, type: :controller do
 
       get :export, params: { format: :csv }
       expect(response).to have_http_status(200)
-      expect(response.body).to eq(IO.read(File.join(file_fixture_path, 'domain_allows.csv')))
+      expect(response.body).to eq(File.read(File.join(file_fixture_path, 'domain_allows.csv')))
     end
   end
 
@@ -25,12 +27,12 @@ RSpec.describe Admin::ExportDomainAllowsController, type: :controller do
       expect(response).to redirect_to(admin_instances_path)
 
       # Header should not be imported
-      expect(DomainAllow.where(domain: '#domain').present?).to eq(false)
+      expect(DomainAllow.where(domain: '#domain').present?).to be(false)
 
       # Domains should now be added
       get :export, params: { format: :csv }
       expect(response).to have_http_status(200)
-      expect(response.body).to eq(IO.read(File.join(file_fixture_path, 'domain_allows.csv')))
+      expect(response.body).to eq(File.read(File.join(file_fixture_path, 'domain_allows.csv')))
     end
 
     it 'displays error on no file selected' do
diff --git a/spec/controllers/admin/export_domain_blocks_controller_spec.rb b/spec/controllers/admin/export_domain_blocks_controller_spec.rb
index 2766102c8..4da9f90e4 100644
--- a/spec/controllers/admin/export_domain_blocks_controller_spec.rb
+++ b/spec/controllers/admin/export_domain_blocks_controller_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe Admin::ExportDomainBlocksController, type: :controller do
@@ -16,7 +18,7 @@ RSpec.describe Admin::ExportDomainBlocksController, type: :controller do
 
       get :export, params: { format: :csv }
       expect(response).to have_http_status(200)
-      expect(response.body).to eq(IO.read(File.join(file_fixture_path, 'domain_blocks.csv')))
+      expect(response.body).to eq(File.read(File.join(file_fixture_path, 'domain_blocks.csv')))
     end
   end
 
diff --git a/spec/controllers/admin/instances_controller_spec.rb b/spec/controllers/admin/instances_controller_spec.rb
index 337f7a80c..33174b992 100644
--- a/spec/controllers/admin/instances_controller_spec.rb
+++ b/spec/controllers/admin/instances_controller_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe Admin::InstancesController, type: :controller do
@@ -42,7 +44,7 @@ RSpec.describe Admin::InstancesController, type: :controller do
       let(:role) { UserRole.find_by(name: 'Admin') }
 
       it 'succeeds in purging instance' do
-        is_expected.to redirect_to admin_instances_path
+        expect(subject).to redirect_to admin_instances_path
       end
     end
 
@@ -50,7 +52,7 @@ RSpec.describe Admin::InstancesController, type: :controller do
       let(:role) { nil }
 
       it 'fails to purge instance' do
-        is_expected.to have_http_status :forbidden
+        expect(subject).to have_http_status 403
       end
     end
   end
diff --git a/spec/controllers/admin/invites_controller_spec.rb b/spec/controllers/admin/invites_controller_spec.rb
index 1fb488742..92ec4e449 100644
--- a/spec/controllers/admin/invites_controller_spec.rb
+++ b/spec/controllers/admin/invites_controller_spec.rb
@@ -33,10 +33,10 @@ describe Admin::InvitesController do
   end
 
   describe 'DELETE #destroy' do
-    let!(:invite) { Fabricate(:invite, expires_at: nil) }
-
     subject { delete :destroy, params: { id: invite.id } }
 
+    let!(:invite) { Fabricate(:invite, expires_at: nil) }
+
     it 'expires invite' do
       expect(subject).to redirect_to admin_invites_path
       expect(invite.reload).to be_expired
diff --git a/spec/controllers/admin/report_notes_controller_spec.rb b/spec/controllers/admin/report_notes_controller_spec.rb
index fa7572d18..fb2fbd058 100644
--- a/spec/controllers/admin/report_notes_controller_spec.rb
+++ b/spec/controllers/admin/report_notes_controller_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 describe Admin::ReportNotesController do
@@ -34,7 +36,7 @@ describe Admin::ReportNotesController do
 
           it 'creates a report note and does not resolve report' do
             expect { subject }.to change { ReportNote.count }.by(1)
-            expect(report.reload).not_to be_action_taken
+            expect(report.reload).to_not be_action_taken
             expect(subject).to redirect_to admin_report_path(report)
           end
         end
@@ -49,7 +51,7 @@ describe Admin::ReportNotesController do
 
           it 'creates a report note and unresolves report' do
             expect { subject }.to change { ReportNote.count }.by(1)
-            expect(report.reload).not_to be_action_taken
+            expect(report.reload).to_not be_action_taken
             expect(subject).to redirect_to admin_report_path(report)
           end
         end
diff --git a/spec/controllers/admin/reports/actions_controller_spec.rb b/spec/controllers/admin/reports/actions_controller_spec.rb
index 9890ac9ce..3e42e4cb1 100644
--- a/spec/controllers/admin/reports/actions_controller_spec.rb
+++ b/spec/controllers/admin/reports/actions_controller_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 describe Admin::Reports::ActionsController do
@@ -116,18 +118,20 @@ describe Admin::Reports::ActionsController do
 
         it 'marks the non-deleted as sensitive' do
           subject
-          expect(media_attached_status.reload.sensitive).to eq true
+          expect(media_attached_status.reload.sensitive).to be true
         end
       end
     end
 
     context 'action as submit button' do
       subject { post :create, params: { report_id: report.id, text: text, action => '' } }
+
       it_behaves_like 'all action types'
     end
 
     context 'action as submit button' do
       subject { post :create, params: { report_id: report.id, text: text, moderation_action: action } }
+
       it_behaves_like 'all action types'
     end
   end
diff --git a/spec/controllers/admin/reports_controller_spec.rb b/spec/controllers/admin/reports_controller_spec.rb
index 4dcc277d9..97daaf8da 100644
--- a/spec/controllers/admin/reports_controller_spec.rb
+++ b/spec/controllers/admin/reports_controller_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 describe Admin::ReportsController do
@@ -55,7 +57,7 @@ describe Admin::ReportsController do
       expect(response).to redirect_to(admin_reports_path)
       report.reload
       expect(report.action_taken_by_account).to eq user.account
-      expect(report.action_taken?).to eq true
+      expect(report.action_taken?).to be true
     end
   end
 
@@ -66,8 +68,8 @@ describe Admin::ReportsController do
       put :reopen, params: { id: report }
       expect(response).to redirect_to(admin_report_path(report))
       report.reload
-      expect(report.action_taken_by_account).to eq nil
-      expect(report.action_taken?).to eq false
+      expect(report.action_taken_by_account).to be_nil
+      expect(report.action_taken?).to be false
     end
   end
 
@@ -89,7 +91,7 @@ describe Admin::ReportsController do
       put :unassign, params: { id: report }
       expect(response).to redirect_to(admin_report_path(report))
       report.reload
-      expect(report.assigned_account).to eq nil
+      expect(report.assigned_account).to be_nil
     end
   end
 end
diff --git a/spec/controllers/admin/resets_controller_spec.rb b/spec/controllers/admin/resets_controller_spec.rb
index 64fe027fd..16adb8a12 100644
--- a/spec/controllers/admin/resets_controller_spec.rb
+++ b/spec/controllers/admin/resets_controller_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 describe Admin::ResetsController do
diff --git a/spec/controllers/admin/roles_controller_spec.rb b/spec/controllers/admin/roles_controller_spec.rb
index 8ff891205..223d0a472 100644
--- a/spec/controllers/admin/roles_controller_spec.rb
+++ b/spec/controllers/admin/roles_controller_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 describe Admin::RolesController do
@@ -18,7 +20,7 @@ describe Admin::RolesController do
 
     context 'when user does not have permission to manage roles' do
       it 'returns http forbidden' do
-        expect(response).to have_http_status(:forbidden)
+        expect(response).to have_http_status(403)
       end
     end
 
@@ -38,7 +40,7 @@ describe Admin::RolesController do
 
     context 'when user does not have permission to manage roles' do
       it 'returns http forbidden' do
-        expect(response).to have_http_status(:forbidden)
+        expect(response).to have_http_status(403)
       end
     end
 
@@ -128,7 +130,7 @@ describe Admin::RolesController do
 
     context 'when user does not have permission to manage roles' do
       it 'returns http forbidden' do
-        expect(response).to have_http_status(:forbidden)
+        expect(response).to have_http_status(403)
       end
     end
 
@@ -145,7 +147,7 @@ describe Admin::RolesController do
         let(:role_position) { current_role.position + 1 }
 
         it 'returns http forbidden' do
-          expect(response).to have_http_status(:forbidden)
+          expect(response).to have_http_status(403)
         end
       end
     end
@@ -165,7 +167,7 @@ describe Admin::RolesController do
 
     context 'when user does not have permission to manage roles' do
       it 'returns http forbidden' do
-        expect(response).to have_http_status(:forbidden)
+        expect(response).to have_http_status(403)
       end
 
       it 'does not update the role' do
@@ -203,7 +205,7 @@ describe Admin::RolesController do
           let(:role_position) { current_role.position + 1 }
 
           it 'returns http forbidden' do
-            expect(response).to have_http_status(:forbidden)
+            expect(response).to have_http_status(403)
           end
 
           it 'does not update the role' do
@@ -224,7 +226,7 @@ describe Admin::RolesController do
 
     context 'when user does not have permission to manage roles' do
       it 'returns http forbidden' do
-        expect(response).to have_http_status(:forbidden)
+        expect(response).to have_http_status(403)
       end
     end
 
@@ -241,7 +243,7 @@ describe Admin::RolesController do
         let(:role_position) { current_role.position + 1 }
 
         it 'returns http forbidden' do
-          expect(response).to have_http_status(:forbidden)
+          expect(response).to have_http_status(403)
         end
       end
     end
diff --git a/spec/controllers/admin/statuses_controller_spec.rb b/spec/controllers/admin/statuses_controller_spec.rb
index 7f912c1c0..79d83db97 100644
--- a/spec/controllers/admin/statuses_controller_spec.rb
+++ b/spec/controllers/admin/statuses_controller_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 describe Admin::StatusesController do
diff --git a/spec/controllers/admin/users/roles_controller.rb b/spec/controllers/admin/users/roles_controller_spec.rb
index bd6a3fa67..fe2cee01b 100644
--- a/spec/controllers/admin/users/roles_controller.rb
+++ b/spec/controllers/admin/users/roles_controller_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 describe Admin::Users::RolesController do
@@ -26,7 +28,7 @@ describe Admin::Users::RolesController do
       let(:previous_role) { UserRole.create(name: 'Baz', permissions: UserRole::FLAGS[:administrator], position: 100) }
 
       it 'returns http forbidden' do
-        expect(response).to have_http_status(:forbidden)
+        expect(response).to have_http_status(403)
       end
     end
   end
@@ -74,7 +76,7 @@ describe Admin::Users::RolesController do
       end
 
       it 'returns http forbidden' do
-        expect(response).to have_http_status(:forbidden)
+        expect(response).to have_http_status(403)
       end
     end
   end
diff --git a/spec/controllers/admin/users/two_factor_authentications_controller_spec.rb b/spec/controllers/admin/users/two_factor_authentications_controller_spec.rb
index e56264ef6..eb10d4796 100644
--- a/spec/controllers/admin/users/two_factor_authentications_controller_spec.rb
+++ b/spec/controllers/admin/users/two_factor_authentications_controller_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 require 'webauthn/fake_client'
 
@@ -20,7 +22,7 @@ describe Admin::Users::TwoFactorAuthenticationsController do
         delete :destroy, params: { user_id: user.id }
 
         user.reload
-        expect(user.otp_enabled?).to eq false
+        expect(user.otp_enabled?).to be false
         expect(response).to redirect_to(admin_account_path(user.account_id))
       end
     end
@@ -43,8 +45,8 @@ describe Admin::Users::TwoFactorAuthenticationsController do
         delete :destroy, params: { user_id: user.id }
 
         user.reload
-        expect(user.otp_enabled?).to eq false
-        expect(user.webauthn_enabled?).to eq false
+        expect(user.otp_enabled?).to be false
+        expect(user.webauthn_enabled?).to be false
         expect(response).to redirect_to(admin_account_path(user.account_id))
       end
     end
diff --git a/spec/controllers/api/oembed_controller_spec.rb b/spec/controllers/api/oembed_controller_spec.rb
index b9082bde1..930f36250 100644
--- a/spec/controllers/api/oembed_controller_spec.rb
+++ b/spec/controllers/api/oembed_controller_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe Api::OEmbedController, type: :controller do
diff --git a/spec/controllers/api/v1/accounts/credentials_controller_spec.rb b/spec/controllers/api/v1/accounts/credentials_controller_spec.rb
index 5026ca327..e42f1de32 100644
--- a/spec/controllers/api/v1/accounts/credentials_controller_spec.rb
+++ b/spec/controllers/api/v1/accounts/credentials_controller_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 describe Api::V1::Accounts::CredentialsController do
@@ -51,7 +53,7 @@ describe Api::V1::Accounts::CredentialsController do
           expect(user.account.avatar).to exist
           expect(user.account.header).to exist
           expect(user.setting_default_privacy).to eq('unlisted')
-          expect(user.setting_default_sensitive).to eq(true)
+          expect(user.setting_default_sensitive).to be(true)
         end
 
         it 'queues up an account update distribution' do
@@ -80,7 +82,7 @@ describe Api::V1::Accounts::CredentialsController do
         end
 
         it 'returns http unprocessable entity' do
-          expect(response).to have_http_status(:unprocessable_entity)
+          expect(response).to have_http_status(422)
         end
       end
     end
@@ -88,20 +90,20 @@ describe Api::V1::Accounts::CredentialsController do
 
   context 'without an oauth token' do
     before do
-      allow(controller).to receive(:doorkeeper_token) { nil }
+      allow(controller).to receive(:doorkeeper_token).and_return(nil)
     end
 
     describe 'GET #show' do
       it 'returns http unauthorized' do
         get :show
-        expect(response).to have_http_status(:unauthorized)
+        expect(response).to have_http_status(401)
       end
     end
 
     describe 'PATCH #update' do
       it 'returns http unauthorized' do
         patch :update, params: { note: 'Foo' }
-        expect(response).to have_http_status(:unauthorized)
+        expect(response).to have_http_status(401)
       end
     end
   end
diff --git a/spec/controllers/api/v1/accounts/follower_accounts_controller_spec.rb b/spec/controllers/api/v1/accounts/follower_accounts_controller_spec.rb
index 1e6e1d8e0..53298a2e4 100644
--- a/spec/controllers/api/v1/accounts/follower_accounts_controller_spec.rb
+++ b/spec/controllers/api/v1/accounts/follower_accounts_controller_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 describe Api::V1::Accounts::FollowerAccountsController do
diff --git a/spec/controllers/api/v1/accounts/following_accounts_controller_spec.rb b/spec/controllers/api/v1/accounts/following_accounts_controller_spec.rb
index cc962c6ee..7390b25b5 100644
--- a/spec/controllers/api/v1/accounts/following_accounts_controller_spec.rb
+++ b/spec/controllers/api/v1/accounts/following_accounts_controller_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 describe Api::V1::Accounts::FollowingAccountsController do
diff --git a/spec/controllers/api/v1/accounts/lists_controller_spec.rb b/spec/controllers/api/v1/accounts/lists_controller_spec.rb
index d71485633..418839cfa 100644
--- a/spec/controllers/api/v1/accounts/lists_controller_spec.rb
+++ b/spec/controllers/api/v1/accounts/lists_controller_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 describe Api::V1::Accounts::ListsController do
diff --git a/spec/controllers/api/v1/accounts/notes_controller_spec.rb b/spec/controllers/api/v1/accounts/notes_controller_spec.rb
index 42c2d8a86..fd4d34f69 100644
--- a/spec/controllers/api/v1/accounts/notes_controller_spec.rb
+++ b/spec/controllers/api/v1/accounts/notes_controller_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 describe Api::V1::Accounts::NotesController do
diff --git a/spec/controllers/api/v1/accounts/relationships_controller_spec.rb b/spec/controllers/api/v1/accounts/relationships_controller_spec.rb
index 69ad0d061..da8d7fe3f 100644
--- a/spec/controllers/api/v1/accounts/relationships_controller_spec.rb
+++ b/spec/controllers/api/v1/accounts/relationships_controller_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 describe Api::V1::Accounts::RelationshipsController do
diff --git a/spec/controllers/api/v1/accounts/search_controller_spec.rb b/spec/controllers/api/v1/accounts/search_controller_spec.rb
index 5b23bff68..d2b675a3c 100644
--- a/spec/controllers/api/v1/accounts/search_controller_spec.rb
+++ b/spec/controllers/api/v1/accounts/search_controller_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe Api::V1::Accounts::SearchController, type: :controller do
diff --git a/spec/controllers/api/v1/accounts/statuses_controller_spec.rb b/spec/controllers/api/v1/accounts/statuses_controller_spec.rb
index 01d745fc0..e57c37179 100644
--- a/spec/controllers/api/v1/accounts/statuses_controller_spec.rb
+++ b/spec/controllers/api/v1/accounts/statuses_controller_spec.rb
@@ -1,4 +1,5 @@
 # frozen_string_literal: true
+
 require 'rails_helper'
 
 describe Api::V1::Accounts::StatusesController do
@@ -16,7 +17,7 @@ describe Api::V1::Accounts::StatusesController do
     it 'returns http success' do
       get :index, params: { account_id: user.account.id, limit: 1 }
 
-      expect(response).to have_http_status(:ok)
+      expect(response).to have_http_status(200)
     end
 
     it 'returns expected headers' do
@@ -29,7 +30,7 @@ describe Api::V1::Accounts::StatusesController do
       it 'returns http success' do
         get :index, params: { account_id: user.account.id, only_media: true }
 
-        expect(response).to have_http_status(:ok)
+        expect(response).to have_http_status(200)
       end
     end
 
@@ -44,7 +45,7 @@ describe Api::V1::Accounts::StatusesController do
       end
 
       it 'returns http success' do
-        expect(response).to have_http_status(:ok)
+        expect(response).to have_http_status(200)
       end
 
       it 'returns posts along with self replies' do
@@ -63,7 +64,7 @@ describe Api::V1::Accounts::StatusesController do
       it 'returns http success' do
         get :index, params: { account_id: user.account.id, pinned: true }
 
-        expect(response).to have_http_status(:ok)
+        expect(response).to have_http_status(200)
       end
     end
 
@@ -79,7 +80,7 @@ describe Api::V1::Accounts::StatusesController do
 
       it 'returns http success' do
         get :index, params: { account_id: account.id, pinned: true }
-        expect(response).to have_http_status(:ok)
+        expect(response).to have_http_status(200)
       end
 
       context 'when user does not follow account' do
diff --git a/spec/controllers/api/v1/accounts_controller_spec.rb b/spec/controllers/api/v1/accounts_controller_spec.rb
index d6bbcefd7..5fbb65021 100644
--- a/spec/controllers/api/v1/accounts_controller_spec.rb
+++ b/spec/controllers/api/v1/accounts_controller_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe Api::V1::AccountsController, type: :controller do
diff --git a/spec/controllers/api/v1/admin/account_actions_controller_spec.rb b/spec/controllers/api/v1/admin/account_actions_controller_spec.rb
index 462c2cfa9..cafbee212 100644
--- a/spec/controllers/api/v1/admin/account_actions_controller_spec.rb
+++ b/spec/controllers/api/v1/admin/account_actions_controller_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe Api::V1::Admin::AccountActionsController, type: :controller do
diff --git a/spec/controllers/api/v1/admin/accounts_controller_spec.rb b/spec/controllers/api/v1/admin/accounts_controller_spec.rb
index a4c509c60..9ffcdb34f 100644
--- a/spec/controllers/api/v1/admin/accounts_controller_spec.rb
+++ b/spec/controllers/api/v1/admin/accounts_controller_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe Api::V1::Admin::AccountsController, type: :controller do
diff --git a/spec/controllers/api/v1/admin/domain_allows_controller_spec.rb b/spec/controllers/api/v1/admin/domain_allows_controller_spec.rb
index 8100363f6..15567907e 100644
--- a/spec/controllers/api/v1/admin/domain_allows_controller_spec.rb
+++ b/spec/controllers/api/v1/admin/domain_allows_controller_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe Api::V1::Admin::DomainAllowsController, type: :controller do
diff --git a/spec/controllers/api/v1/admin/domain_blocks_controller_spec.rb b/spec/controllers/api/v1/admin/domain_blocks_controller_spec.rb
index 606def602..0460c701a 100644
--- a/spec/controllers/api/v1/admin/domain_blocks_controller_spec.rb
+++ b/spec/controllers/api/v1/admin/domain_blocks_controller_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe Api::V1::Admin::DomainBlocksController, type: :controller do
@@ -73,16 +75,15 @@ RSpec.describe Api::V1::Admin::DomainBlocksController, type: :controller do
 
   describe 'PUT #update' do
     let!(:remote_account) { Fabricate(:account, domain: 'example.com') }
-    let(:domain_block)    { Fabricate(:domain_block, domain: 'example.com', severity: original_severity) }
+    let(:subject) do
+      post :update, params: { id: domain_block.id, domain: 'example.com', severity: new_severity }
+    end
+    let(:domain_block) { Fabricate(:domain_block, domain: 'example.com', severity: original_severity) }
 
     before do
       BlockDomainService.new.call(domain_block)
     end
 
-    let(:subject) do
-      post :update, params: { id: domain_block.id, domain: 'example.com', severity: new_severity }
-    end
-
     context 'downgrading a domain suspension to silence' do
       let(:original_severity) { 'suspend' }
       let(:new_severity)      { 'silence' }
diff --git a/spec/controllers/api/v1/admin/reports_controller_spec.rb b/spec/controllers/api/v1/admin/reports_controller_spec.rb
index 880e72030..3d61fe5c3 100644
--- a/spec/controllers/api/v1/admin/reports_controller_spec.rb
+++ b/spec/controllers/api/v1/admin/reports_controller_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe Api::V1::Admin::ReportsController, type: :controller do
diff --git a/spec/controllers/api/v1/announcements/reactions_controller_spec.rb b/spec/controllers/api/v1/announcements/reactions_controller_spec.rb
index 72620e242..25c52aa1d 100644
--- a/spec/controllers/api/v1/announcements/reactions_controller_spec.rb
+++ b/spec/controllers/api/v1/announcements/reactions_controller_spec.rb
@@ -15,7 +15,7 @@ RSpec.describe Api::V1::Announcements::ReactionsController, type: :controller do
     context 'without token' do
       it 'returns http unauthorized' do
         put :update, params: { announcement_id: announcement.id, id: '😂' }
-        expect(response).to have_http_status :unauthorized
+        expect(response).to have_http_status 401
       end
     end
 
@@ -43,7 +43,7 @@ RSpec.describe Api::V1::Announcements::ReactionsController, type: :controller do
     context 'without token' do
       it 'returns http unauthorized' do
         delete :destroy, params: { announcement_id: announcement.id, id: '😂' }
-        expect(response).to have_http_status :unauthorized
+        expect(response).to have_http_status 401
       end
     end
 
diff --git a/spec/controllers/api/v1/announcements_controller_spec.rb b/spec/controllers/api/v1/announcements_controller_spec.rb
index 6ee46b60e..eaab2abd8 100644
--- a/spec/controllers/api/v1/announcements_controller_spec.rb
+++ b/spec/controllers/api/v1/announcements_controller_spec.rb
@@ -15,7 +15,7 @@ RSpec.describe Api::V1::AnnouncementsController, type: :controller do
     context 'without token' do
       it 'returns http unprocessable entity' do
         get :index
-        expect(response).to have_http_status :unprocessable_entity
+        expect(response).to have_http_status 422
       end
     end
 
@@ -35,7 +35,7 @@ RSpec.describe Api::V1::AnnouncementsController, type: :controller do
     context 'without token' do
       it 'returns http unauthorized' do
         post :dismiss, params: { id: announcement.id }
-        expect(response).to have_http_status :unauthorized
+        expect(response).to have_http_status 401
       end
     end
 
diff --git a/spec/controllers/api/v1/apps/credentials_controller_spec.rb b/spec/controllers/api/v1/apps/credentials_controller_spec.rb
index 0f811d5f3..350e0c7a0 100644
--- a/spec/controllers/api/v1/apps/credentials_controller_spec.rb
+++ b/spec/controllers/api/v1/apps/credentials_controller_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 describe Api::V1::Apps::CredentialsController do
@@ -30,13 +32,13 @@ describe Api::V1::Apps::CredentialsController do
 
   context 'without an oauth token' do
     before do
-      allow(controller).to receive(:doorkeeper_token) { nil }
+      allow(controller).to receive(:doorkeeper_token).and_return(nil)
     end
 
     describe 'GET #show' do
       it 'returns http unauthorized' do
         get :show
-        expect(response).to have_http_status(:unauthorized)
+        expect(response).to have_http_status(401)
       end
     end
   end
diff --git a/spec/controllers/api/v1/apps_controller_spec.rb b/spec/controllers/api/v1/apps_controller_spec.rb
index 9ac7880a4..bde132c52 100644
--- a/spec/controllers/api/v1/apps_controller_spec.rb
+++ b/spec/controllers/api/v1/apps_controller_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe Api::V1::AppsController, type: :controller do
@@ -68,7 +70,7 @@ RSpec.describe Api::V1::AppsController, type: :controller do
     end
 
     context 'with a too-long website' do
-      let(:website) { 'https://foo.bar/' + ('hoge' * 2_000) }
+      let(:website) { "https://foo.bar/#{'hoge' * 2_000}" }
 
       it 'returns http unprocessable entity' do
         expect(response).to have_http_status(422)
@@ -76,7 +78,7 @@ RSpec.describe Api::V1::AppsController, type: :controller do
     end
 
     context 'with a too-long redirect_uris' do
-      let(:redirect_uris) { 'https://foo.bar/' + ('hoge' * 2_000) }
+      let(:redirect_uris) { "https://foo.bar/#{'hoge' * 2_000}" }
 
       it 'returns http unprocessable entity' do
         expect(response).to have_http_status(422)
diff --git a/spec/controllers/api/v1/blocks_controller_spec.rb b/spec/controllers/api/v1/blocks_controller_spec.rb
index 0e5c8296d..a746389ca 100644
--- a/spec/controllers/api/v1/blocks_controller_spec.rb
+++ b/spec/controllers/api/v1/blocks_controller_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe Api::V1::BlocksController, type: :controller do
@@ -37,13 +39,13 @@ RSpec.describe Api::V1::BlocksController, type: :controller do
     it 'sets pagination header for next path' do
       blocks = 2.times.map { Fabricate(:block, account: user.account) }
       get :index, params: { limit: 1, since_id: blocks[0] }
-      expect(response.headers['Link'].find_link(['rel', 'next']).href).to eq api_v1_blocks_url(limit: 1, max_id: blocks[1])
+      expect(response.headers['Link'].find_link(%w(rel next)).href).to eq api_v1_blocks_url(limit: 1, max_id: blocks[1])
     end
 
     it 'sets pagination header for previous path' do
       block = Fabricate(:block, account: user.account)
       get :index
-      expect(response.headers['Link'].find_link(['rel', 'prev']).href).to eq api_v1_blocks_url(since_id: block)
+      expect(response.headers['Link'].find_link(%w(rel prev)).href).to eq api_v1_blocks_url(since_id: block)
     end
 
     it 'returns http success' do
diff --git a/spec/controllers/api/v1/bookmarks_controller_spec.rb b/spec/controllers/api/v1/bookmarks_controller_spec.rb
index d7c5847b0..352d2ca02 100644
--- a/spec/controllers/api/v1/bookmarks_controller_spec.rb
+++ b/spec/controllers/api/v1/bookmarks_controller_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe Api::V1::BookmarksController, type: :controller do
@@ -10,7 +12,7 @@ RSpec.describe Api::V1::BookmarksController, type: :controller do
     context 'without token' do
       it 'returns http unauthorized' do
         get :index
-        expect(response).to have_http_status :unauthorized
+        expect(response).to have_http_status 401
       end
     end
 
@@ -24,7 +26,7 @@ RSpec.describe Api::V1::BookmarksController, type: :controller do
 
         it 'returns http forbidden' do
           get :index
-          expect(response).to have_http_status :forbidden
+          expect(response).to have_http_status 403
         end
       end
 
@@ -38,7 +40,7 @@ RSpec.describe Api::V1::BookmarksController, type: :controller do
 
         it 'returns http unprocessable entity' do
           get :index
-          expect(response).to have_http_status :unprocessable_entity
+          expect(response).to have_http_status 422
         end
       end
 
@@ -63,14 +65,14 @@ RSpec.describe Api::V1::BookmarksController, type: :controller do
 
           get :index, params: { limit: 1 }
 
-          expect(response.headers['Link'].find_link(['rel', 'next']).href).to eq "http://test.host/api/v1/bookmarks?limit=1&max_id=#{bookmark.id}"
-          expect(response.headers['Link'].find_link(['rel', 'prev']).href).to eq "http://test.host/api/v1/bookmarks?limit=1&min_id=#{bookmark.id}"
+          expect(response.headers['Link'].find_link(%w(rel next)).href).to eq "http://test.host/api/v1/bookmarks?limit=1&max_id=#{bookmark.id}"
+          expect(response.headers['Link'].find_link(%w(rel prev)).href).to eq "http://test.host/api/v1/bookmarks?limit=1&min_id=#{bookmark.id}"
         end
 
         it 'does not add pagination headers if not necessary' do
           get :index
 
-          expect(response.headers['Link']).to eq nil
+          expect(response.headers['Link']).to be_nil
         end
       end
     end
diff --git a/spec/controllers/api/v1/conversations_controller_spec.rb b/spec/controllers/api/v1/conversations_controller_spec.rb
index 5add7cf1d..36c4cb56f 100644
--- a/spec/controllers/api/v1/conversations_controller_spec.rb
+++ b/spec/controllers/api/v1/conversations_controller_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe Api::V1::ConversationsController, type: :controller do
diff --git a/spec/controllers/api/v1/domain_blocks_controller_spec.rb b/spec/controllers/api/v1/domain_blocks_controller_spec.rb
index d9dc1bdbf..467ddbccc 100644
--- a/spec/controllers/api/v1/domain_blocks_controller_spec.rb
+++ b/spec/controllers/api/v1/domain_blocks_controller_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe Api::V1::DomainBlocksController, type: :controller do
diff --git a/spec/controllers/api/v1/emails/confirmations_controller_spec.rb b/spec/controllers/api/v1/emails/confirmations_controller_spec.rb
index 15ac31cbc..fc9843fef 100644
--- a/spec/controllers/api/v1/emails/confirmations_controller_spec.rb
+++ b/spec/controllers/api/v1/emails/confirmations_controller_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe Api::V1::Emails::ConfirmationsController, type: :controller do
@@ -16,7 +18,7 @@ RSpec.describe Api::V1::Emails::ConfirmationsController, type: :controller do
       context 'from a random app' do
         it 'returns http forbidden' do
           post :create
-          expect(response).to have_http_status(:forbidden)
+          expect(response).to have_http_status(403)
         end
       end
 
@@ -30,7 +32,7 @@ RSpec.describe Api::V1::Emails::ConfirmationsController, type: :controller do
 
           it 'returns http forbidden' do
             post :create
-            expect(response).to have_http_status(:forbidden)
+            expect(response).to have_http_status(403)
           end
 
           context 'but user changed e-mail and has not confirmed it' do
@@ -57,7 +59,7 @@ RSpec.describe Api::V1::Emails::ConfirmationsController, type: :controller do
     context 'without an oauth token' do
       it 'returns http unauthorized' do
         post :create
-        expect(response).to have_http_status(:unauthorized)
+        expect(response).to have_http_status(401)
       end
     end
   end
diff --git a/spec/controllers/api/v1/favourites_controller_spec.rb b/spec/controllers/api/v1/favourites_controller_spec.rb
index 231f76500..6ae0fdc49 100644
--- a/spec/controllers/api/v1/favourites_controller_spec.rb
+++ b/spec/controllers/api/v1/favourites_controller_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe Api::V1::FavouritesController, type: :controller do
@@ -10,7 +12,7 @@ RSpec.describe Api::V1::FavouritesController, type: :controller do
     context 'without token' do
       it 'returns http unauthorized' do
         get :index
-        expect(response).to have_http_status :unauthorized
+        expect(response).to have_http_status 401
       end
     end
 
@@ -24,7 +26,7 @@ RSpec.describe Api::V1::FavouritesController, type: :controller do
 
         it 'returns http forbidden' do
           get :index
-          expect(response).to have_http_status :forbidden
+          expect(response).to have_http_status 403
         end
       end
 
@@ -38,7 +40,7 @@ RSpec.describe Api::V1::FavouritesController, type: :controller do
 
         it 'returns http unprocessable entity' do
           get :index
-          expect(response).to have_http_status :unprocessable_entity
+          expect(response).to have_http_status 422
         end
       end
 
@@ -63,14 +65,14 @@ RSpec.describe Api::V1::FavouritesController, type: :controller do
 
           get :index, params: { limit: 1 }
 
-          expect(response.headers['Link'].find_link(['rel', 'next']).href).to eq "http://test.host/api/v1/favourites?limit=1&max_id=#{favourite.id}"
-          expect(response.headers['Link'].find_link(['rel', 'prev']).href).to eq "http://test.host/api/v1/favourites?limit=1&min_id=#{favourite.id}"
+          expect(response.headers['Link'].find_link(%w(rel next)).href).to eq "http://test.host/api/v1/favourites?limit=1&max_id=#{favourite.id}"
+          expect(response.headers['Link'].find_link(%w(rel prev)).href).to eq "http://test.host/api/v1/favourites?limit=1&min_id=#{favourite.id}"
         end
 
         it 'does not add pagination headers if not necessary' do
           get :index
 
-          expect(response.headers['Link']).to eq nil
+          expect(response.headers['Link']).to be_nil
         end
       end
     end
diff --git a/spec/controllers/api/v1/filters_controller_spec.rb b/spec/controllers/api/v1/filters_controller_spec.rb
index 8acb46a00..d583365cc 100644
--- a/spec/controllers/api/v1/filters_controller_spec.rb
+++ b/spec/controllers/api/v1/filters_controller_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe Api::V1::FiltersController, type: :controller do
diff --git a/spec/controllers/api/v1/follow_requests_controller_spec.rb b/spec/controllers/api/v1/follow_requests_controller_spec.rb
index 856ba2a1c..0220e0277 100644
--- a/spec/controllers/api/v1/follow_requests_controller_spec.rb
+++ b/spec/controllers/api/v1/follow_requests_controller_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe Api::V1::FollowRequestsController, type: :controller do
diff --git a/spec/controllers/api/v1/followed_tags_controller_spec.rb b/spec/controllers/api/v1/followed_tags_controller_spec.rb
index 2191350ef..e990065a9 100644
--- a/spec/controllers/api/v1/followed_tags_controller_spec.rb
+++ b/spec/controllers/api/v1/followed_tags_controller_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe Api::V1::FollowedTagsController, type: :controller do
diff --git a/spec/controllers/api/v1/lists/accounts_controller_spec.rb b/spec/controllers/api/v1/lists/accounts_controller_spec.rb
index 526d8b561..337a5645c 100644
--- a/spec/controllers/api/v1/lists/accounts_controller_spec.rb
+++ b/spec/controllers/api/v1/lists/accounts_controller_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 describe Api::V1::Lists::AccountsController do
diff --git a/spec/controllers/api/v1/lists_controller_spec.rb b/spec/controllers/api/v1/lists_controller_spec.rb
index 71a8094e6..f54d27e42 100644
--- a/spec/controllers/api/v1/lists_controller_spec.rb
+++ b/spec/controllers/api/v1/lists_controller_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe Api::V1::ListsController, type: :controller do
diff --git a/spec/controllers/api/v1/markers_controller_spec.rb b/spec/controllers/api/v1/markers_controller_spec.rb
index 64ec18e59..fb5f59a7c 100644
--- a/spec/controllers/api/v1/markers_controller_spec.rb
+++ b/spec/controllers/api/v1/markers_controller_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe Api::V1::MarkersController, type: :controller do
diff --git a/spec/controllers/api/v1/media_controller_spec.rb b/spec/controllers/api/v1/media_controller_spec.rb
index a1f6ddb24..90379dd92 100644
--- a/spec/controllers/api/v1/media_controller_spec.rb
+++ b/spec/controllers/api/v1/media_controller_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe Api::V1::MediaController, type: :controller do
@@ -19,7 +21,7 @@ RSpec.describe Api::V1::MediaController, type: :controller do
         end
 
         it 'returns http 422' do
-          expect(response).to have_http_status(:unprocessable_entity)
+          expect(response).to have_http_status(422)
         end
       end
 
@@ -106,7 +108,7 @@ RSpec.describe Api::V1::MediaController, type: :controller do
 
       it 'returns http not found' do
         put :update, params: { id: media.id, description: 'Lorem ipsum!!!' }
-        expect(response).to have_http_status(:not_found)
+        expect(response).to have_http_status(404)
       end
     end
 
@@ -126,7 +128,7 @@ RSpec.describe Api::V1::MediaController, type: :controller do
         let(:status) { Fabricate(:status, account: user.account) }
 
         it 'returns http not found' do
-          expect(response).to have_http_status(:not_found)
+          expect(response).to have_http_status(404)
         end
       end
     end
diff --git a/spec/controllers/api/v1/mutes_controller_spec.rb b/spec/controllers/api/v1/mutes_controller_spec.rb
index 8176815d4..122d9d1c5 100644
--- a/spec/controllers/api/v1/mutes_controller_spec.rb
+++ b/spec/controllers/api/v1/mutes_controller_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe Api::V1::MutesController, type: :controller do
@@ -37,13 +39,13 @@ RSpec.describe Api::V1::MutesController, type: :controller do
     it 'sets pagination header for next path' do
       mutes = 2.times.map { Fabricate(:mute, account: user.account) }
       get :index, params: { limit: 1, since_id: mutes[0] }
-      expect(response.headers['Link'].find_link(['rel', 'next']).href).to eq api_v1_mutes_url(limit: 1, max_id: mutes[1])
+      expect(response.headers['Link'].find_link(%w(rel next)).href).to eq api_v1_mutes_url(limit: 1, max_id: mutes[1])
     end
 
     it 'sets pagination header for previous path' do
       mute = Fabricate(:mute, account: user.account)
       get :index
-      expect(response.headers['Link'].find_link(['rel', 'prev']).href).to eq api_v1_mutes_url(since_id: mute)
+      expect(response.headers['Link'].find_link(%w(rel prev)).href).to eq api_v1_mutes_url(since_id: mute)
     end
 
     it 'returns http success' do
diff --git a/spec/controllers/api/v1/notifications_controller_spec.rb b/spec/controllers/api/v1/notifications_controller_spec.rb
index 46e177c0e..f6cbd105e 100644
--- a/spec/controllers/api/v1/notifications_controller_spec.rb
+++ b/spec/controllers/api/v1/notifications_controller_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe Api::V1::NotificationsController, type: :controller do
@@ -70,19 +72,19 @@ RSpec.describe Api::V1::NotificationsController, type: :controller do
       end
 
       it 'includes reblog' do
-        expect(body_as_json.map { |x| x[:type] }).to include 'reblog'
+        expect(body_as_json.pluck(:type)).to include 'reblog'
       end
 
       it 'includes mention' do
-        expect(body_as_json.map { |x| x[:type] }).to include 'mention'
+        expect(body_as_json.pluck(:type)).to include 'mention'
       end
 
       it 'includes favourite' do
-        expect(body_as_json.map { |x| x[:type] }).to include 'favourite'
+        expect(body_as_json.pluck(:type)).to include 'favourite'
       end
 
       it 'includes follow' do
-        expect(body_as_json.map { |x| x[:type] }).to include 'follow'
+        expect(body_as_json.pluck(:type)).to include 'follow'
       end
     end
 
@@ -125,7 +127,7 @@ RSpec.describe Api::V1::NotificationsController, type: :controller do
 
       it 'returns everything but excluded type' do
         expect(body_as_json.size).to_not eq 0
-        expect(body_as_json.map { |x| x[:type] }.uniq).to_not include 'mention'
+        expect(body_as_json.pluck(:type).uniq).to_not include 'mention'
       end
     end
 
@@ -139,7 +141,7 @@ RSpec.describe Api::V1::NotificationsController, type: :controller do
       end
 
       it 'returns only requested type' do
-        expect(body_as_json.map { |x| x[:type] }.uniq).to eq ['mention']
+        expect(body_as_json.pluck(:type).uniq).to eq ['mention']
       end
     end
   end
diff --git a/spec/controllers/api/v1/polls/votes_controller_spec.rb b/spec/controllers/api/v1/polls/votes_controller_spec.rb
index d7a9c1970..9d9b14e81 100644
--- a/spec/controllers/api/v1/polls/votes_controller_spec.rb
+++ b/spec/controllers/api/v1/polls/votes_controller_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe Api::V1::Polls::VotesController, type: :controller do
diff --git a/spec/controllers/api/v1/polls_controller_spec.rb b/spec/controllers/api/v1/polls_controller_spec.rb
index f0d9eaf92..0602e44ee 100644
--- a/spec/controllers/api/v1/polls_controller_spec.rb
+++ b/spec/controllers/api/v1/polls_controller_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe Api::V1::PollsController, type: :controller do
diff --git a/spec/controllers/api/v1/push/subscriptions_controller_spec.rb b/spec/controllers/api/v1/push/subscriptions_controller_spec.rb
index 67f09da2d..168191468 100644
--- a/spec/controllers/api/v1/push/subscriptions_controller_spec.rb
+++ b/spec/controllers/api/v1/push/subscriptions_controller_spec.rb
@@ -5,13 +5,7 @@ require 'rails_helper'
 describe Api::V1::Push::SubscriptionsController do
   render_views
 
-  let(:user)  { Fabricate(:user) }
-  let(:token) { Fabricate(:accessible_access_token, resource_owner_id: user.id, scopes: 'push') }
-
-  before do
-    allow(controller).to receive(:doorkeeper_token) { token }
-  end
-
+  let(:user) { Fabricate(:user) }
   let(:create_payload) do
     {
       subscription: {
@@ -23,7 +17,6 @@ describe Api::V1::Push::SubscriptionsController do
       },
     }.with_indifferent_access
   end
-
   let(:alerts_payload) do
     {
       data: {
@@ -41,6 +34,11 @@ describe Api::V1::Push::SubscriptionsController do
       },
     }.with_indifferent_access
   end
+  let(:token) { Fabricate(:accessible_access_token, resource_owner_id: user.id, scopes: 'push') }
+
+  before do
+    allow(controller).to receive(:doorkeeper_token) { token }
+  end
 
   describe 'POST #create' do
     before do
diff --git a/spec/controllers/api/v1/statuses/favourited_by_accounts_controller_spec.rb b/spec/controllers/api/v1/statuses/favourited_by_accounts_controller_spec.rb
index 4dcaba6bd..c7e1b73c7 100644
--- a/spec/controllers/api/v1/statuses/favourited_by_accounts_controller_spec.rb
+++ b/spec/controllers/api/v1/statuses/favourited_by_accounts_controller_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe Api::V1::Statuses::FavouritedByAccountsController, type: :controller do
@@ -45,7 +47,7 @@ RSpec.describe Api::V1::Statuses::FavouritedByAccountsController, type: :control
 
   context 'without an oauth token' do
     before do
-      allow(controller).to receive(:doorkeeper_token) { nil }
+      allow(controller).to receive(:doorkeeper_token).and_return(nil)
     end
 
     context 'with a private status' do
diff --git a/spec/controllers/api/v1/statuses/reblogged_by_accounts_controller_spec.rb b/spec/controllers/api/v1/statuses/reblogged_by_accounts_controller_spec.rb
index dc36d4ca0..1aab502ef 100644
--- a/spec/controllers/api/v1/statuses/reblogged_by_accounts_controller_spec.rb
+++ b/spec/controllers/api/v1/statuses/reblogged_by_accounts_controller_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe Api::V1::Statuses::RebloggedByAccountsController, type: :controller do
@@ -45,7 +47,7 @@ RSpec.describe Api::V1::Statuses::RebloggedByAccountsController, type: :controll
 
   context 'without an oauth token' do
     before do
-      allow(controller).to receive(:doorkeeper_token) { nil }
+      allow(controller).to receive(:doorkeeper_token).and_return(nil)
     end
 
     context 'with a private status' do
diff --git a/spec/controllers/api/v1/statuses_controller_spec.rb b/spec/controllers/api/v1/statuses_controller_spec.rb
index e4e6e172a..f011bfd47 100644
--- a/spec/controllers/api/v1/statuses_controller_spec.rb
+++ b/spec/controllers/api/v1/statuses_controller_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe Api::V1::StatusesController, type: :controller do
@@ -219,7 +221,7 @@ RSpec.describe Api::V1::StatusesController, type: :controller do
 
   context 'without an oauth token' do
     before do
-      allow(controller).to receive(:doorkeeper_token) { nil }
+      allow(controller).to receive(:doorkeeper_token).and_return(nil)
     end
 
     context 'with a private status' do
diff --git a/spec/controllers/api/v1/streaming_controller_spec.rb b/spec/controllers/api/v1/streaming_controller_spec.rb
index 9dbca0178..7014ed9b2 100644
--- a/spec/controllers/api/v1/streaming_controller_spec.rb
+++ b/spec/controllers/api/v1/streaming_controller_spec.rb
@@ -25,7 +25,7 @@ describe Api::V1::StreamingController do
 
   context 'with streaming api on different host' do
     before(:each) do
-      Rails.configuration.x.streaming_api_base_url = 'wss://streaming-' + Rails.configuration.x.web_domain
+      Rails.configuration.x.streaming_api_base_url = "wss://streaming-#{Rails.configuration.x.web_domain}"
       @streaming_host = URI.parse(Rails.configuration.x.streaming_api_base_url).host
     end
 
diff --git a/spec/controllers/api/v1/suggestions_controller_spec.rb b/spec/controllers/api/v1/suggestions_controller_spec.rb
index 7805b6b4f..c99380c58 100644
--- a/spec/controllers/api/v1/suggestions_controller_spec.rb
+++ b/spec/controllers/api/v1/suggestions_controller_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe Api::V1::SuggestionsController, type: :controller do
@@ -29,7 +31,7 @@ RSpec.describe Api::V1::SuggestionsController, type: :controller do
       json = body_as_json
 
       expect(json.size).to be >= 1
-      expect(json.map { |i| i[:id] }).to include(*[bob, jeff].map { |i| i.id.to_s })
+      expect(json.pluck(:id)).to include(*[bob, jeff].map { |i| i.id.to_s })
     end
   end
 end
diff --git a/spec/controllers/api/v1/tags_controller_spec.rb b/spec/controllers/api/v1/tags_controller_spec.rb
index 216faad87..ed17a4fbf 100644
--- a/spec/controllers/api/v1/tags_controller_spec.rb
+++ b/spec/controllers/api/v1/tags_controller_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe Api::V1::TagsController, type: :controller do
diff --git a/spec/controllers/api/v1/timelines/home_controller_spec.rb b/spec/controllers/api/v1/timelines/home_controller_spec.rb
index 131c2d92f..bb46d0aba 100644
--- a/spec/controllers/api/v1/timelines/home_controller_spec.rb
+++ b/spec/controllers/api/v1/timelines/home_controller_spec.rb
@@ -36,7 +36,7 @@ describe Api::V1::Timelines::HomeController do
       it 'returns http unprocessable entity' do
         get :show
 
-        expect(response).to have_http_status(:unprocessable_entity)
+        expect(response).to have_http_status(422)
         expect(response.headers['Link']).to be_nil
       end
     end
diff --git a/spec/controllers/api/v1/timelines/list_controller_spec.rb b/spec/controllers/api/v1/timelines/list_controller_spec.rb
index 526c66a05..4ef5d41af 100644
--- a/spec/controllers/api/v1/timelines/list_controller_spec.rb
+++ b/spec/controllers/api/v1/timelines/list_controller_spec.rb
@@ -36,7 +36,7 @@ describe Api::V1::Timelines::ListController do
     describe 'GET #show' do
       it 'returns http not found' do
         get :show, params: { id: list.id }
-        expect(response).to have_http_status(:not_found)
+        expect(response).to have_http_status(404)
       end
     end
   end
@@ -48,7 +48,7 @@ describe Api::V1::Timelines::ListController do
       it 'returns http unprocessable entity' do
         get :show, params: { id: list.id }
 
-        expect(response).to have_http_status(:unprocessable_entity)
+        expect(response).to have_http_status(422)
         expect(response.headers['Link']).to be_nil
       end
     end
diff --git a/spec/controllers/api/v2/admin/accounts_controller_spec.rb b/spec/controllers/api/v2/admin/accounts_controller_spec.rb
index 1477049a1..5766fd549 100644
--- a/spec/controllers/api/v2/admin/accounts_controller_spec.rb
+++ b/spec/controllers/api/v2/admin/accounts_controller_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe Api::V2::Admin::AccountsController, type: :controller do
diff --git a/spec/controllers/api/v2/filters/keywords_controller_spec.rb b/spec/controllers/api/v2/filters/keywords_controller_spec.rb
index 1201a4ca2..8c61059c6 100644
--- a/spec/controllers/api/v2/filters/keywords_controller_spec.rb
+++ b/spec/controllers/api/v2/filters/keywords_controller_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe Api::V2::Filters::KeywordsController, type: :controller do
@@ -45,7 +47,7 @@ RSpec.describe Api::V2::Filters::KeywordsController, type: :controller do
     it 'returns a keyword' do
       json = body_as_json
       expect(json[:keyword]).to eq 'magic'
-      expect(json[:whole_word]).to eq false
+      expect(json[:whole_word]).to be false
     end
 
     it 'creates a keyword' do
@@ -78,7 +80,7 @@ RSpec.describe Api::V2::Filters::KeywordsController, type: :controller do
     it 'returns expected data' do
       json = body_as_json
       expect(json[:keyword]).to eq 'foo'
-      expect(json[:whole_word]).to eq false
+      expect(json[:whole_word]).to be false
     end
 
     context "when trying to access another user's filter keyword" do
diff --git a/spec/controllers/api/v2/filters/statuses_controller_spec.rb b/spec/controllers/api/v2/filters/statuses_controller_spec.rb
index 969b2ea73..330cf45a6 100644
--- a/spec/controllers/api/v2/filters/statuses_controller_spec.rb
+++ b/spec/controllers/api/v2/filters/statuses_controller_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe Api::V2::Filters::StatusesController, type: :controller do
diff --git a/spec/controllers/api/v2/filters_controller_spec.rb b/spec/controllers/api/v2/filters_controller_spec.rb
index cc0070d57..2b5610a4d 100644
--- a/spec/controllers/api/v2/filters_controller_spec.rb
+++ b/spec/controllers/api/v2/filters_controller_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe Api::V2::FiltersController, type: :controller do
diff --git a/spec/controllers/api/web/embeds_controller_spec.rb b/spec/controllers/api/web/embeds_controller_spec.rb
index 345c317ba..e03f5a371 100644
--- a/spec/controllers/api/web/embeds_controller_spec.rb
+++ b/spec/controllers/api/web/embeds_controller_spec.rb
@@ -11,6 +11,7 @@ describe Api::Web::EmbedsController do
 
   describe 'POST #create' do
     subject(:response) { post :create, params: { url: url } }
+
     subject(:body) { JSON.parse(response.body, symbolize_names: true) }
 
     context 'when successfully finds status' do
@@ -18,7 +19,7 @@ describe Api::Web::EmbedsController do
       let(:url) { "http://#{Rails.configuration.x.web_domain}/@#{status.account.username}/#{status.id}" }
 
       it 'returns a right response' do
-        expect(response).to have_http_status :ok
+        expect(response).to have_http_status 200
         expect(body[:author_name]).to eq status.account.username
       end
     end
@@ -36,7 +37,7 @@ describe Api::Web::EmbedsController do
         let(:call_result) { { result: :ok } }
 
         it 'returns a right response' do
-          expect(response).to have_http_status :ok
+          expect(response).to have_http_status 200
           expect(body[:result]).to eq 'ok'
         end
       end
@@ -45,7 +46,7 @@ describe Api::Web::EmbedsController do
         let(:call_result) { nil }
 
         it 'returns a right response' do
-          expect(response).to have_http_status :not_found
+          expect(response).to have_http_status 404
         end
       end
     end
diff --git a/spec/controllers/application_controller_spec.rb b/spec/controllers/application_controller_spec.rb
index e7d997192..dc742074c 100644
--- a/spec/controllers/application_controller_spec.rb
+++ b/spec/controllers/application_controller_spec.rb
@@ -28,7 +28,7 @@ describe ApplicationController, type: :controller do
     end
 
     it 'renders template for http' do
-      is_expected.to render_template("errors/#{code}", layout: 'error')
+      expect(subject).to render_template("errors/#{code}", layout: 'error')
     end
   end
 
@@ -57,19 +57,19 @@ describe ApplicationController, type: :controller do
   describe 'helper_method :single_user_mode?' do
     it 'returns false if it is in single_user_mode but there is no account' do
       allow(Rails.configuration.x).to receive(:single_user_mode).and_return(true)
-      expect(controller.view_context.single_user_mode?).to eq false
+      expect(controller.view_context.single_user_mode?).to be false
     end
 
     it 'returns false if there is an account but it is not in single_user_mode' do
       allow(Rails.configuration.x).to receive(:single_user_mode).and_return(false)
       Fabricate(:account)
-      expect(controller.view_context.single_user_mode?).to eq false
+      expect(controller.view_context.single_user_mode?).to be false
     end
 
     it 'returns true if it is in single_user_mode and there is an account' do
       allow(Rails.configuration.x).to receive(:single_user_mode).and_return(true)
       Fabricate(:account)
-      expect(controller.view_context.single_user_mode?).to eq true
+      expect(controller.view_context.single_user_mode?).to be true
     end
   end
 
diff --git a/spec/controllers/auth/registrations_controller_spec.rb b/spec/controllers/auth/registrations_controller_spec.rb
index 7298bde00..e3a00fa39 100644
--- a/spec/controllers/auth/registrations_controller_spec.rb
+++ b/spec/controllers/auth/registrations_controller_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe Auth::RegistrationsController, type: :controller do
@@ -95,18 +97,18 @@ RSpec.describe Auth::RegistrationsController, type: :controller do
     before { request.env['devise.mapping'] = Devise.mappings[:user] }
 
     context do
-      around do |example|
-        registrations_mode = Setting.registrations_mode
-        example.run
-        Setting.registrations_mode = registrations_mode
-      end
-
       subject do
         Setting.registrations_mode = 'open'
         request.headers['Accept-Language'] = accept_language
         post :create, params: { user: { account_attributes: { username: 'test' }, email: 'test@example.com', password: '12345678', password_confirmation: '12345678', agreement: 'true' } }
       end
 
+      around do |example|
+        registrations_mode = Setting.registrations_mode
+        example.run
+        Setting.registrations_mode = registrations_mode
+      end
+
       it 'redirects to setup' do
         subject
         expect(response).to redirect_to auth_setup_path
@@ -121,18 +123,18 @@ RSpec.describe Auth::RegistrationsController, type: :controller do
     end
 
     context 'when user has not agreed to terms of service' do
-      around do |example|
-        registrations_mode = Setting.registrations_mode
-        example.run
-        Setting.registrations_mode = registrations_mode
-      end
-
       subject do
         Setting.registrations_mode = 'open'
         request.headers['Accept-Language'] = accept_language
         post :create, params: { user: { account_attributes: { username: 'test' }, email: 'test@example.com', password: '12345678', password_confirmation: '12345678', agreement: 'false' } }
       end
 
+      around do |example|
+        registrations_mode = Setting.registrations_mode
+        example.run
+        Setting.registrations_mode = registrations_mode
+      end
+
       it 'does not create user' do
         subject
         user = User.find_by(email: 'test@example.com')
@@ -141,18 +143,18 @@ RSpec.describe Auth::RegistrationsController, type: :controller do
     end
 
     context 'approval-based registrations without invite' do
-      around do |example|
-        registrations_mode = Setting.registrations_mode
-        example.run
-        Setting.registrations_mode = registrations_mode
-      end
-
       subject do
         Setting.registrations_mode = 'approved'
         request.headers['Accept-Language'] = accept_language
         post :create, params: { user: { account_attributes: { username: 'test' }, email: 'test@example.com', password: '12345678', password_confirmation: '12345678', agreement: 'true' } }
       end
 
+      around do |example|
+        registrations_mode = Setting.registrations_mode
+        example.run
+        Setting.registrations_mode = registrations_mode
+      end
+
       it 'redirects to setup' do
         subject
         expect(response).to redirect_to auth_setup_path
@@ -163,17 +165,11 @@ RSpec.describe Auth::RegistrationsController, type: :controller do
         user = User.find_by(email: 'test@example.com')
         expect(user).to_not be_nil
         expect(user.locale).to eq(accept_language)
-        expect(user.approved).to eq(false)
+        expect(user.approved).to be(false)
       end
     end
 
     context 'approval-based registrations with expired invite' do
-      around do |example|
-        registrations_mode = Setting.registrations_mode
-        example.run
-        Setting.registrations_mode = registrations_mode
-      end
-
       subject do
         Setting.registrations_mode = 'approved'
         request.headers['Accept-Language'] = accept_language
@@ -181,6 +177,12 @@ RSpec.describe Auth::RegistrationsController, type: :controller do
         post :create, params: { user: { account_attributes: { username: 'test' }, email: 'test@example.com', password: '12345678', password_confirmation: '12345678', invite_code: invite.code, agreement: 'true' } }
       end
 
+      around do |example|
+        registrations_mode = Setting.registrations_mode
+        example.run
+        Setting.registrations_mode = registrations_mode
+      end
+
       it 'redirects to setup' do
         subject
         expect(response).to redirect_to auth_setup_path
@@ -191,19 +193,11 @@ RSpec.describe Auth::RegistrationsController, type: :controller do
         user = User.find_by(email: 'test@example.com')
         expect(user).to_not be_nil
         expect(user.locale).to eq(accept_language)
-        expect(user.approved).to eq(false)
+        expect(user.approved).to be(false)
       end
     end
 
     context 'approval-based registrations with valid invite and required invite text' do
-      around do |example|
-        registrations_mode = Setting.registrations_mode
-        require_invite_text = Setting.require_invite_text
-        example.run
-        Setting.require_invite_text = require_invite_text
-        Setting.registrations_mode = registrations_mode
-      end
-
       subject do
         inviter = Fabricate(:user, confirmed_at: 2.days.ago)
         Setting.registrations_mode = 'approved'
@@ -213,6 +207,14 @@ RSpec.describe Auth::RegistrationsController, type: :controller do
         post :create, params: { user: { account_attributes: { username: 'test' }, email: 'test@example.com', password: '12345678', password_confirmation: '12345678', invite_code: invite.code, agreement: 'true' } }
       end
 
+      around do |example|
+        registrations_mode = Setting.registrations_mode
+        require_invite_text = Setting.require_invite_text
+        example.run
+        Setting.require_invite_text = require_invite_text
+        Setting.registrations_mode = registrations_mode
+      end
+
       it 'redirects to setup' do
         subject
         expect(response).to redirect_to auth_setup_path
@@ -223,7 +225,7 @@ RSpec.describe Auth::RegistrationsController, type: :controller do
         user = User.find_by(email: 'test@example.com')
         expect(user).to_not be_nil
         expect(user.locale).to eq(accept_language)
-        expect(user.approved).to eq(true)
+        expect(user.approved).to be(true)
       end
     end
 
@@ -245,7 +247,7 @@ RSpec.describe Auth::RegistrationsController, type: :controller do
     end
 
     it 'returns http not found' do
-      expect(response).to have_http_status(:not_found)
+      expect(response).to have_http_status(404)
     end
 
     it 'does not delete user' do
diff --git a/spec/controllers/auth/sessions_controller_spec.rb b/spec/controllers/auth/sessions_controller_spec.rb
index eb03dff50..58befa124 100644
--- a/spec/controllers/auth/sessions_controller_spec.rb
+++ b/spec/controllers/auth/sessions_controller_spec.rb
@@ -422,7 +422,7 @@ RSpec.describe Auth::SessionsController, type: :controller do
 
       it 'returns http success' do
         get :webauthn_options
-        expect(response).to have_http_status :ok
+        expect(response).to have_http_status 200
       end
     end
   end
diff --git a/spec/controllers/concerns/export_controller_concern_spec.rb b/spec/controllers/concerns/export_controller_concern_spec.rb
index 1a5e46f8e..003fd17f6 100644
--- a/spec/controllers/concerns/export_controller_concern_spec.rb
+++ b/spec/controllers/concerns/export_controller_concern_spec.rb
@@ -29,7 +29,7 @@ describe ApplicationController, type: :controller do
 
     it 'returns unauthorized when not signed in' do
       get :index, format: :csv
-      expect(response).to have_http_status(:unauthorized)
+      expect(response).to have_http_status(401)
     end
   end
 end
diff --git a/spec/controllers/disputes/appeals_controller_spec.rb b/spec/controllers/disputes/appeals_controller_spec.rb
index 90f222f49..affe63c59 100644
--- a/spec/controllers/disputes/appeals_controller_spec.rb
+++ b/spec/controllers/disputes/appeals_controller_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe Disputes::AppealsController, type: :controller do
diff --git a/spec/controllers/disputes/strikes_controller_spec.rb b/spec/controllers/disputes/strikes_controller_spec.rb
index 157f9ec3c..1d678875c 100644
--- a/spec/controllers/disputes/strikes_controller_spec.rb
+++ b/spec/controllers/disputes/strikes_controller_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe Disputes::StrikesController, type: :controller do
@@ -23,7 +25,7 @@ RSpec.describe Disputes::StrikesController, type: :controller do
       let(:strike) { Fabricate(:account_warning) }
 
       it 'returns http forbidden' do
-        expect(response).to have_http_status(:forbidden)
+        expect(response).to have_http_status(403)
       end
     end
   end
diff --git a/spec/controllers/emojis_controller_spec.rb b/spec/controllers/emojis_controller_spec.rb
index fbbd11f64..710d23d92 100644
--- a/spec/controllers/emojis_controller_spec.rb
+++ b/spec/controllers/emojis_controller_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 describe EmojisController do
@@ -7,6 +9,7 @@ describe EmojisController do
 
   describe 'GET #show' do
     subject(:response) { get :show, params: { id: emoji.id, format: :json } }
+
     subject(:body) { JSON.parse(response.body, symbolize_names: true) }
 
     it 'returns the right response' do
diff --git a/spec/controllers/follower_accounts_controller_spec.rb b/spec/controllers/follower_accounts_controller_spec.rb
index ab2e82e85..7c53e5b47 100644
--- a/spec/controllers/follower_accounts_controller_spec.rb
+++ b/spec/controllers/follower_accounts_controller_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 describe FollowerAccountsController do
@@ -38,6 +40,7 @@ describe FollowerAccountsController do
 
     context 'when format is json' do
       subject(:response) { get :index, params: { account_username: alice.username, page: page, format: :json } }
+
       subject(:body) { JSON.parse(response.body) }
 
       context 'with page' do
diff --git a/spec/controllers/following_accounts_controller_spec.rb b/spec/controllers/following_accounts_controller_spec.rb
index e43dbf882..122f72e2d 100644
--- a/spec/controllers/following_accounts_controller_spec.rb
+++ b/spec/controllers/following_accounts_controller_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 describe FollowingAccountsController do
@@ -38,6 +40,7 @@ describe FollowingAccountsController do
 
     context 'when format is json' do
       subject(:response) { get :index, params: { account_username: alice.username, page: page, format: :json } }
+
       subject(:body) { JSON.parse(response.body) }
 
       context 'with page' do
diff --git a/spec/controllers/home_controller_spec.rb b/spec/controllers/home_controller_spec.rb
index d845ae01d..0d3722920 100644
--- a/spec/controllers/home_controller_spec.rb
+++ b/spec/controllers/home_controller_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe HomeController, type: :controller do
@@ -9,7 +11,7 @@ RSpec.describe HomeController, type: :controller do
     context 'when not signed in' do
       it 'returns http success' do
         @request.path = '/'
-        is_expected.to have_http_status(:success)
+        expect(subject).to have_http_status(:success)
       end
     end
 
@@ -21,7 +23,7 @@ RSpec.describe HomeController, type: :controller do
       end
 
       it 'returns http success' do
-        is_expected.to have_http_status(:success)
+        expect(subject).to have_http_status(:success)
       end
     end
   end
diff --git a/spec/controllers/instance_actors_controller_spec.rb b/spec/controllers/instance_actors_controller_spec.rb
index d6b4c793b..84a07d497 100644
--- a/spec/controllers/instance_actors_controller_spec.rb
+++ b/spec/controllers/instance_actors_controller_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe InstanceActorsController, type: :controller do
diff --git a/spec/controllers/intents_controller_spec.rb b/spec/controllers/intents_controller_spec.rb
index 394f7d512..02b46ddc7 100644
--- a/spec/controllers/intents_controller_spec.rb
+++ b/spec/controllers/intents_controller_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe IntentsController, type: :controller do
diff --git a/spec/controllers/invites_controller_spec.rb b/spec/controllers/invites_controller_spec.rb
index 23b98fb12..408c5e1b5 100644
--- a/spec/controllers/invites_controller_spec.rb
+++ b/spec/controllers/invites_controller_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 describe InvitesController do
diff --git a/spec/controllers/manifests_controller_spec.rb b/spec/controllers/manifests_controller_spec.rb
index a549adef3..ecd6957fc 100644
--- a/spec/controllers/manifests_controller_spec.rb
+++ b/spec/controllers/manifests_controller_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 describe ManifestsController do
diff --git a/spec/controllers/relationships_controller_spec.rb b/spec/controllers/relationships_controller_spec.rb
index 2056a2ac2..39f455e03 100644
--- a/spec/controllers/relationships_controller_spec.rb
+++ b/spec/controllers/relationships_controller_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 describe RelationshipsController do
@@ -7,7 +9,7 @@ describe RelationshipsController do
 
   shared_examples 'authenticate user' do
     it 'redirects when not signed in' do
-      is_expected.to redirect_to '/auth/sign_in'
+      expect(subject).to redirect_to '/auth/sign_in'
     end
   end
 
@@ -51,6 +53,7 @@ describe RelationshipsController do
 
     context 'when select parameter is not provided' do
       subject { patch :update }
+
       include_examples 'redirects back to followers page'
     end
 
diff --git a/spec/controllers/settings/applications_controller_spec.rb b/spec/controllers/settings/applications_controller_spec.rb
index 35ad4b2e7..5c6b04a15 100644
--- a/spec/controllers/settings/applications_controller_spec.rb
+++ b/spec/controllers/settings/applications_controller_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 describe Settings::ApplicationsController do
@@ -32,7 +34,7 @@ describe Settings::ApplicationsController do
       app.update!(owner: nil)
 
       get :show, params: { id: app.id }
-      expect(response.status).to eq 404
+      expect(response).to have_http_status 404
     end
   end
 
@@ -73,7 +75,7 @@ describe Settings::ApplicationsController do
             name: 'My New App',
             redirect_uri: 'urn:ietf:wg:oauth:2.0:oob',
             website: 'http://google.com',
-            scopes: ['read', 'write', 'follow'],
+            scopes: %w(read write follow),
           },
         }
         response
diff --git a/spec/controllers/settings/deletes_controller_spec.rb b/spec/controllers/settings/deletes_controller_spec.rb
index a94dc042a..a7edac6a9 100644
--- a/spec/controllers/settings/deletes_controller_spec.rb
+++ b/spec/controllers/settings/deletes_controller_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 describe Settings::DeletesController do
diff --git a/spec/controllers/settings/exports/blocked_accounts_controller_spec.rb b/spec/controllers/settings/exports/blocked_accounts_controller_spec.rb
index 5ff41b7fc..459b278d6 100644
--- a/spec/controllers/settings/exports/blocked_accounts_controller_spec.rb
+++ b/spec/controllers/settings/exports/blocked_accounts_controller_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 describe Settings::Exports::BlockedAccountsController do
diff --git a/spec/controllers/settings/exports/bookmarks_controller_spec.rb b/spec/controllers/settings/exports/bookmarks_controller_spec.rb
index a06c02e0c..9982eff16 100644
--- a/spec/controllers/settings/exports/bookmarks_controller_spec.rb
+++ b/spec/controllers/settings/exports/bookmarks_controller_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 describe Settings::Exports::BookmarksController do
diff --git a/spec/controllers/settings/exports/following_accounts_controller_spec.rb b/spec/controllers/settings/exports/following_accounts_controller_spec.rb
index bfe010555..72b0b94e1 100644
--- a/spec/controllers/settings/exports/following_accounts_controller_spec.rb
+++ b/spec/controllers/settings/exports/following_accounts_controller_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 describe Settings::Exports::FollowingAccountsController do
diff --git a/spec/controllers/settings/exports/muted_accounts_controller_spec.rb b/spec/controllers/settings/exports/muted_accounts_controller_spec.rb
index 642f0a9b8..b4170cb16 100644
--- a/spec/controllers/settings/exports/muted_accounts_controller_spec.rb
+++ b/spec/controllers/settings/exports/muted_accounts_controller_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 describe Settings::Exports::MutedAccountsController do
diff --git a/spec/controllers/settings/featured_tags_controller_spec.rb b/spec/controllers/settings/featured_tags_controller_spec.rb
index 33b87f9f6..5c61351af 100644
--- a/spec/controllers/settings/featured_tags_controller_spec.rb
+++ b/spec/controllers/settings/featured_tags_controller_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 describe Settings::FeaturedTagsController do
@@ -5,7 +7,7 @@ describe Settings::FeaturedTagsController do
 
   shared_examples 'authenticate user' do
     it 'redirects to sign_in page' do
-      is_expected.to redirect_to new_user_session_path
+      expect(subject).to redirect_to new_user_session_path
     end
   end
 
diff --git a/spec/controllers/settings/imports_controller_spec.rb b/spec/controllers/settings/imports_controller_spec.rb
index e50504cc5..78973df2b 100644
--- a/spec/controllers/settings/imports_controller_spec.rb
+++ b/spec/controllers/settings/imports_controller_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe Settings::ImportsController, type: :controller do
diff --git a/spec/controllers/settings/migrations_controller_spec.rb b/spec/controllers/settings/migrations_controller_spec.rb
index 4ce153c9d..9b12bc40f 100644
--- a/spec/controllers/settings/migrations_controller_spec.rb
+++ b/spec/controllers/settings/migrations_controller_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 describe Settings::MigrationsController do
@@ -5,7 +7,7 @@ describe Settings::MigrationsController do
 
   shared_examples 'authenticate user' do
     it 'redirects to sign_in page' do
-      is_expected.to redirect_to new_user_session_path
+      expect(subject).to redirect_to new_user_session_path
     end
   end
 
@@ -27,8 +29,8 @@ describe Settings::MigrationsController do
         let(:moved_to_account) { nil }
 
         it 'renders show page' do
-          is_expected.to have_http_status 200
-          is_expected.to render_template :show
+          expect(subject).to have_http_status 200
+          expect(subject).to render_template :show
         end
       end
 
@@ -36,8 +38,8 @@ describe Settings::MigrationsController do
         let(:moved_to_account) { Fabricate(:account) }
 
         it 'renders show page' do
-          is_expected.to have_http_status 200
-          is_expected.to render_template :show
+          expect(subject).to have_http_status 200
+          expect(subject).to render_template :show
         end
       end
     end
@@ -61,7 +63,7 @@ describe Settings::MigrationsController do
         let(:acct) { Fabricate(:account, also_known_as: [ActivityPub::TagManager.instance.uri_for(user.account)]) }
 
         it 'updates moved to account' do
-          is_expected.to redirect_to settings_migration_path
+          expect(subject).to redirect_to settings_migration_path
           expect(user.account.reload.moved_to_account_id).to eq acct.id
         end
       end
@@ -70,7 +72,7 @@ describe Settings::MigrationsController do
         let(:acct) { user.account }
 
         it 'renders show' do
-          is_expected.to render_template :show
+          expect(subject).to render_template :show
         end
 
         it 'does not update the moved account' do
@@ -82,7 +84,7 @@ describe Settings::MigrationsController do
         let(:acct) { Fabricate(:account, also_known_as: []) }
 
         it 'renders show' do
-          is_expected.to render_template :show
+          expect(subject).to render_template :show
         end
 
         it 'does not update the moved account' do
@@ -99,7 +101,7 @@ describe Settings::MigrationsController do
         end
 
         it 'renders show' do
-          is_expected.to render_template :show
+          expect(subject).to render_template :show
         end
 
         it 'does not update the moved account' do
diff --git a/spec/controllers/settings/preferences/notifications_controller_spec.rb b/spec/controllers/settings/preferences/notifications_controller_spec.rb
index a821052ed..66fb8c5eb 100644
--- a/spec/controllers/settings/preferences/notifications_controller_spec.rb
+++ b/spec/controllers/settings/preferences/notifications_controller_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 describe Settings::Preferences::NotificationsController do
diff --git a/spec/controllers/settings/preferences/other_controller_spec.rb b/spec/controllers/settings/preferences/other_controller_spec.rb
index dd7f01847..63eeefaf0 100644
--- a/spec/controllers/settings/preferences/other_controller_spec.rb
+++ b/spec/controllers/settings/preferences/other_controller_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 describe Settings::Preferences::OtherController do
@@ -23,7 +25,7 @@ describe Settings::Preferences::OtherController do
       expect(response).to redirect_to(settings_preferences_other_path)
       user.reload
       expect(user.locale).to eq 'en'
-      expect(user.chosen_languages).to eq ['es', 'fr']
+      expect(user.chosen_languages).to eq %w(es fr)
     end
 
     it 'updates user settings' do
diff --git a/spec/controllers/settings/profiles_controller_spec.rb b/spec/controllers/settings/profiles_controller_spec.rb
index fbbca8bb9..e45596b1a 100644
--- a/spec/controllers/settings/profiles_controller_spec.rb
+++ b/spec/controllers/settings/profiles_controller_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe Settings::ProfilesController, type: :controller do
@@ -38,7 +40,7 @@ RSpec.describe Settings::ProfilesController, type: :controller do
 
       put :update, params: { account: { avatar: fixture_file_upload('avatar.gif', 'image/gif') } }
       expect(response).to redirect_to(settings_profile_path)
-      expect(account.reload.avatar.instance.avatar_file_name).not_to be_nil
+      expect(account.reload.avatar.instance.avatar_file_name).to_not be_nil
       expect(ActivityPub::UpdateDistributionWorker).to have_received(:perform_async).with(account.id)
     end
   end
diff --git a/spec/controllers/settings/sessions_controller_spec.rb b/spec/controllers/settings/sessions_controller_spec.rb
index 0e312c5a6..a4248e1bd 100644
--- a/spec/controllers/settings/sessions_controller_spec.rb
+++ b/spec/controllers/settings/sessions_controller_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 describe Settings::SessionsController do
@@ -15,7 +17,7 @@ describe Settings::SessionsController do
       let(:id) { session_activation.id }
 
       it 'destroys session activation' do
-        is_expected.to redirect_to edit_user_registration_path
+        expect(subject).to redirect_to edit_user_registration_path
         expect(SessionActivation.find_by(id: id)).to be_nil
       end
     end
@@ -24,7 +26,7 @@ describe Settings::SessionsController do
       let(:id) { session_activation.id + 1000 }
 
       it 'destroys session activation' do
-        is_expected.to have_http_status :not_found
+        expect(subject).to have_http_status 404
       end
     end
   end
diff --git a/spec/controllers/settings/two_factor_authentication/webauthn_credentials_controller_spec.rb b/spec/controllers/settings/two_factor_authentication/webauthn_credentials_controller_spec.rb
index c3156c4e9..f060c3a4b 100644
--- a/spec/controllers/settings/two_factor_authentication/webauthn_credentials_controller_spec.rb
+++ b/spec/controllers/settings/two_factor_authentication/webauthn_credentials_controller_spec.rb
@@ -140,7 +140,7 @@ describe Settings::TwoFactorAuthentication::WebauthnCredentialsController do
           it 'includes existing credentials in list of excluded credentials' do
             get :options
 
-            excluded_credentials_ids = JSON.parse(response.body)['excludeCredentials'].map { |credential| credential['id'] }
+            excluded_credentials_ids = JSON.parse(response.body)['excludeCredentials'].pluck('id')
             expect(excluded_credentials_ids).to match_array(user.webauthn_credentials.pluck(:external_id))
           end
         end
diff --git a/spec/controllers/shares_controller_spec.rb b/spec/controllers/shares_controller_spec.rb
index e365b356e..6d5bb4f8d 100644
--- a/spec/controllers/shares_controller_spec.rb
+++ b/spec/controllers/shares_controller_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 describe SharesController do
@@ -13,7 +15,7 @@ describe SharesController do
     before { get :show, params: { title: 'test title', text: 'test text', url: 'url1 url2' } }
 
     it 'returns http success' do
-      expect(response).to have_http_status :ok
+      expect(response).to have_http_status 200
       expect(body_classes).to eq 'modal-layout compose-standalone'
     end
   end
diff --git a/spec/controllers/statuses_cleanup_controller_spec.rb b/spec/controllers/statuses_cleanup_controller_spec.rb
index 347fe4027..969778bbf 100644
--- a/spec/controllers/statuses_cleanup_controller_spec.rb
+++ b/spec/controllers/statuses_cleanup_controller_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe StatusesCleanupController, type: :controller do
@@ -19,9 +21,9 @@ RSpec.describe StatusesCleanupController, type: :controller do
     it 'updates the account status cleanup policy' do
       put :update, params: { account_statuses_cleanup_policy: { enabled: true, min_status_age: 2.weeks.seconds, keep_direct: false, keep_polls: true } }
       expect(response).to redirect_to(statuses_cleanup_path)
-      expect(@user.account.statuses_cleanup_policy.enabled).to eq true
-      expect(@user.account.statuses_cleanup_policy.keep_direct).to eq false
-      expect(@user.account.statuses_cleanup_policy.keep_polls).to eq true
+      expect(@user.account.statuses_cleanup_policy.enabled).to be true
+      expect(@user.account.statuses_cleanup_policy.keep_direct).to be false
+      expect(@user.account.statuses_cleanup_policy.keep_polls).to be true
     end
   end
 end
diff --git a/spec/controllers/tags_controller_spec.rb b/spec/controllers/tags_controller_spec.rb
index 547bcfb39..8a3fa0bf8 100644
--- a/spec/controllers/tags_controller_spec.rb
+++ b/spec/controllers/tags_controller_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe TagsController, type: :controller do
diff --git a/spec/controllers/well_known/host_meta_controller_spec.rb b/spec/controllers/well_known/host_meta_controller_spec.rb
index 654bad406..d53704370 100644
--- a/spec/controllers/well_known/host_meta_controller_spec.rb
+++ b/spec/controllers/well_known/host_meta_controller_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 describe WellKnown::HostMetaController, type: :controller do
diff --git a/spec/controllers/well_known/nodeinfo_controller_spec.rb b/spec/controllers/well_known/nodeinfo_controller_spec.rb
index 964a14706..f5cde150d 100644
--- a/spec/controllers/well_known/nodeinfo_controller_spec.rb
+++ b/spec/controllers/well_known/nodeinfo_controller_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 describe WellKnown::NodeInfoController, type: :controller do
@@ -26,8 +28,9 @@ describe WellKnown::NodeInfoController, type: :controller do
       expect(response.media_type).to eq 'application/json'
 
       json = body_as_json
+      foo = { 'foo' => 0 }
 
-      expect({ 'foo' => 0 }).not_to match_json_schema('nodeinfo_2.0')
+      expect(foo).to_not match_json_schema('nodeinfo_2.0')
       expect(json).to match_json_schema('nodeinfo_2.0')
       expect(json[:version]).to eq '2.0'
       expect(json[:usage]).to be_a Hash
diff --git a/spec/controllers/well_known/webfinger_controller_spec.rb b/spec/controllers/well_known/webfinger_controller_spec.rb
index 8574d369d..00103df70 100644
--- a/spec/controllers/well_known/webfinger_controller_spec.rb
+++ b/spec/controllers/well_known/webfinger_controller_spec.rb
@@ -1,9 +1,15 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 describe WellKnown::WebfingerController, type: :controller do
   render_views
 
   describe 'GET #show' do
+    subject do
+      get :show, params: { resource: resource }, format: :json
+    end
+
     let(:alternate_domains) { [] }
     let(:alice) { Fabricate(:account, username: 'alice') }
     let(:resource) { nil }
@@ -15,10 +21,6 @@ describe WellKnown::WebfingerController, type: :controller do
       Rails.configuration.x.alternate_domains = tmp
     end
 
-    subject do
-      get :show, params: { resource: resource }, format: :json
-    end
-
     shared_examples 'a successful response' do
       it 'returns http success' do
         expect(response).to have_http_status(200)
diff --git a/spec/fabricators/access_grant_fabricator.rb b/spec/fabricators/access_grant_fabricator.rb
index ae1945f2b..adc2b8369 100644
--- a/spec/fabricators/access_grant_fabricator.rb
+++ b/spec/fabricators/access_grant_fabricator.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 Fabricator :access_grant, from: 'Doorkeeper::AccessGrant' do
   application
   resource_owner_id { Fabricate(:user).id }
diff --git a/spec/fabricators/access_token_fabricator.rb b/spec/fabricators/access_token_fabricator.rb
index 1856a8eb3..508c32808 100644
--- a/spec/fabricators/access_token_fabricator.rb
+++ b/spec/fabricators/access_token_fabricator.rb
@@ -1,2 +1,4 @@
+# frozen_string_literal: true
+
 Fabricator :access_token, from: 'Doorkeeper::AccessToken' do
 end
diff --git a/spec/fabricators/accessible_access_token_fabricator.rb b/spec/fabricators/accessible_access_token_fabricator.rb
index 4b7e99b20..fb3d0889b 100644
--- a/spec/fabricators/accessible_access_token_fabricator.rb
+++ b/spec/fabricators/accessible_access_token_fabricator.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 Fabricator :accessible_access_token, from: :access_token do
   expires_in { nil }
   revoked_at { nil }
diff --git a/spec/fabricators/account_alias_fabricator.rb b/spec/fabricators/account_alias_fabricator.rb
index 94dde9bb8..4f434c078 100644
--- a/spec/fabricators/account_alias_fabricator.rb
+++ b/spec/fabricators/account_alias_fabricator.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 Fabricator(:account_alias) do
   account
   acct 'test@example.com'
diff --git a/spec/fabricators/account_deletion_request_fabricator.rb b/spec/fabricators/account_deletion_request_fabricator.rb
index 08a82ba3c..3d3d37398 100644
--- a/spec/fabricators/account_deletion_request_fabricator.rb
+++ b/spec/fabricators/account_deletion_request_fabricator.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 Fabricator(:account_deletion_request) do
   account
 end
diff --git a/spec/fabricators/account_domain_block_fabricator.rb b/spec/fabricators/account_domain_block_fabricator.rb
index 2ad4b67a9..ff85e17f3 100644
--- a/spec/fabricators/account_domain_block_fabricator.rb
+++ b/spec/fabricators/account_domain_block_fabricator.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 Fabricator(:account_domain_block) do
   account
   domain 'example.com'
diff --git a/spec/fabricators/account_fabricator.rb b/spec/fabricators/account_fabricator.rb
index 205706532..6ffbba584 100644
--- a/spec/fabricators/account_fabricator.rb
+++ b/spec/fabricators/account_fabricator.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 keypair     = OpenSSL::PKey::RSA.new(2048)
 public_key  = keypair.public_key.to_pem
 private_key = keypair.to_pem
diff --git a/spec/fabricators/account_migration_fabricator.rb b/spec/fabricators/account_migration_fabricator.rb
index 2a8e747a8..fd453f6d2 100644
--- a/spec/fabricators/account_migration_fabricator.rb
+++ b/spec/fabricators/account_migration_fabricator.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 Fabricator(:account_migration) do
   account
   target_account { |attrs| Fabricate(:account, also_known_as: [ActivityPub::TagManager.instance.uri_for(attrs[:account])]) }
diff --git a/spec/fabricators/account_moderation_note_fabricator.rb b/spec/fabricators/account_moderation_note_fabricator.rb
index 343a41fb1..403870db6 100644
--- a/spec/fabricators/account_moderation_note_fabricator.rb
+++ b/spec/fabricators/account_moderation_note_fabricator.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 Fabricator(:account_moderation_note) do
   content 'MyText'
   account nil
diff --git a/spec/fabricators/account_note_fabricator.rb b/spec/fabricators/account_note_fabricator.rb
index 285703b38..bb4ed8b24 100644
--- a/spec/fabricators/account_note_fabricator.rb
+++ b/spec/fabricators/account_note_fabricator.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 Fabricator(:account_note) do
   account
   target_account { Fabricate(:account) }
diff --git a/spec/fabricators/account_pin_fabricator.rb b/spec/fabricators/account_pin_fabricator.rb
index c0f8b8afb..7d8a77bb5 100644
--- a/spec/fabricators/account_pin_fabricator.rb
+++ b/spec/fabricators/account_pin_fabricator.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 Fabricator(:account_pin) do
   account        nil
   target_account nil
diff --git a/spec/fabricators/account_stat_fabricator.rb b/spec/fabricators/account_stat_fabricator.rb
index b1b47ffef..45b1524ef 100644
--- a/spec/fabricators/account_stat_fabricator.rb
+++ b/spec/fabricators/account_stat_fabricator.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 Fabricator(:account_stat) do
   account         nil
   statuses_count  ''
diff --git a/spec/fabricators/account_statuses_cleanup_policy_fabricator.rb b/spec/fabricators/account_statuses_cleanup_policy_fabricator.rb
index 29cf1d133..0e756ddba 100644
--- a/spec/fabricators/account_statuses_cleanup_policy_fabricator.rb
+++ b/spec/fabricators/account_statuses_cleanup_policy_fabricator.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 Fabricator(:account_statuses_cleanup_policy) do
   account
 end
diff --git a/spec/fabricators/account_tag_stat_fabricator.rb b/spec/fabricators/account_tag_stat_fabricator.rb
index 7a4de07f6..769015bd0 100644
--- a/spec/fabricators/account_tag_stat_fabricator.rb
+++ b/spec/fabricators/account_tag_stat_fabricator.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 Fabricator(:account_tag_stat) do
   accounts_count ''
 end
diff --git a/spec/fabricators/account_warning_fabricator.rb b/spec/fabricators/account_warning_fabricator.rb
index 72fe835d9..e5059e37f 100644
--- a/spec/fabricators/account_warning_fabricator.rb
+++ b/spec/fabricators/account_warning_fabricator.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 Fabricator(:account_warning) do
   account
   target_account(fabricator: :account)
diff --git a/spec/fabricators/account_warning_preset_fabricator.rb b/spec/fabricators/account_warning_preset_fabricator.rb
index 7e7c03cb8..7588e7f9c 100644
--- a/spec/fabricators/account_warning_preset_fabricator.rb
+++ b/spec/fabricators/account_warning_preset_fabricator.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 Fabricator(:account_warning_preset) do
   text 'MyText'
 end
diff --git a/spec/fabricators/admin_action_log_fabricator.rb b/spec/fabricators/admin_action_log_fabricator.rb
index 474bef1bc..eb738c01c 100644
--- a/spec/fabricators/admin_action_log_fabricator.rb
+++ b/spec/fabricators/admin_action_log_fabricator.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 Fabricator('Admin::ActionLog') do
   account nil
   action  'MyString'
diff --git a/spec/fabricators/announcement_fabricator.rb b/spec/fabricators/announcement_fabricator.rb
index 5a3871d90..5d7736587 100644
--- a/spec/fabricators/announcement_fabricator.rb
+++ b/spec/fabricators/announcement_fabricator.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 Fabricator(:announcement) do
   text      { Faker::Lorem.paragraph(sentence_count: 2) }
   published true
diff --git a/spec/fabricators/announcement_mute_fabricator.rb b/spec/fabricators/announcement_mute_fabricator.rb
index c4eafe8f4..109fec041 100644
--- a/spec/fabricators/announcement_mute_fabricator.rb
+++ b/spec/fabricators/announcement_mute_fabricator.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 Fabricator(:announcement_mute) do
   account
   announcement
diff --git a/spec/fabricators/announcement_reaction_fabricator.rb b/spec/fabricators/announcement_reaction_fabricator.rb
index f923c59c6..5da51caaa 100644
--- a/spec/fabricators/announcement_reaction_fabricator.rb
+++ b/spec/fabricators/announcement_reaction_fabricator.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 Fabricator(:announcement_reaction) do
   account
   announcement
diff --git a/spec/fabricators/appeal_fabricator.rb b/spec/fabricators/appeal_fabricator.rb
index 339363822..039086c4e 100644
--- a/spec/fabricators/appeal_fabricator.rb
+++ b/spec/fabricators/appeal_fabricator.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 Fabricator(:appeal) do
   strike(fabricator: :account_warning)
   account { |attrs| attrs[:strike].target_account }
diff --git a/spec/fabricators/application_fabricator.rb b/spec/fabricators/application_fabricator.rb
index 42b7009dc..272821304 100644
--- a/spec/fabricators/application_fabricator.rb
+++ b/spec/fabricators/application_fabricator.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 Fabricator(:application, from: Doorkeeper::Application) do
   name         'Example'
   website      'http://example.com'
diff --git a/spec/fabricators/backup_fabricator.rb b/spec/fabricators/backup_fabricator.rb
index 99a5bdcda..c73ae54be 100644
--- a/spec/fabricators/backup_fabricator.rb
+++ b/spec/fabricators/backup_fabricator.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 Fabricator(:backup) do
   user
 end
diff --git a/spec/fabricators/block_fabricator.rb b/spec/fabricators/block_fabricator.rb
index 379931ba6..c2e9e9628 100644
--- a/spec/fabricators/block_fabricator.rb
+++ b/spec/fabricators/block_fabricator.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 Fabricator(:block) do
   account
   target_account { Fabricate(:account) }
diff --git a/spec/fabricators/bookmark_fabricator.rb b/spec/fabricators/bookmark_fabricator.rb
index 12cbc5bfa..e21046fc2 100644
--- a/spec/fabricators/bookmark_fabricator.rb
+++ b/spec/fabricators/bookmark_fabricator.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 Fabricator(:bookmark) do
   account
   status
diff --git a/spec/fabricators/canonical_email_block_fabricator.rb b/spec/fabricators/canonical_email_block_fabricator.rb
index 61afde3de..21d7c2402 100644
--- a/spec/fabricators/canonical_email_block_fabricator.rb
+++ b/spec/fabricators/canonical_email_block_fabricator.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 Fabricator(:canonical_email_block) do
   email 'test@example.com'
   reference_account { Fabricate(:account) }
diff --git a/spec/fabricators/conversation_account_fabricator.rb b/spec/fabricators/conversation_account_fabricator.rb
index 0fe7a494e..f69d36855 100644
--- a/spec/fabricators/conversation_account_fabricator.rb
+++ b/spec/fabricators/conversation_account_fabricator.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 Fabricator(:conversation_account) do
   account                 nil
   conversation            nil
diff --git a/spec/fabricators/conversation_fabricator.rb b/spec/fabricators/conversation_fabricator.rb
index b4fadb46b..07c6780bf 100644
--- a/spec/fabricators/conversation_fabricator.rb
+++ b/spec/fabricators/conversation_fabricator.rb
@@ -1,2 +1,4 @@
+# frozen_string_literal: true
+
 Fabricator(:conversation) do
 end
diff --git a/spec/fabricators/conversation_mute_fabricator.rb b/spec/fabricators/conversation_mute_fabricator.rb
index 84f131c26..5cf4dd3d5 100644
--- a/spec/fabricators/conversation_mute_fabricator.rb
+++ b/spec/fabricators/conversation_mute_fabricator.rb
@@ -1,2 +1,4 @@
+# frozen_string_literal: true
+
 Fabricator(:conversation_mute) do
 end
diff --git a/spec/fabricators/custom_emoji_category_fabricator.rb b/spec/fabricators/custom_emoji_category_fabricator.rb
index 119c343cf..6019baba2 100644
--- a/spec/fabricators/custom_emoji_category_fabricator.rb
+++ b/spec/fabricators/custom_emoji_category_fabricator.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 Fabricator(:custom_emoji_category) do
   name 'MyString'
 end
diff --git a/spec/fabricators/custom_emoji_fabricator.rb b/spec/fabricators/custom_emoji_fabricator.rb
index 18a7d23dc..fa570eec6 100644
--- a/spec/fabricators/custom_emoji_fabricator.rb
+++ b/spec/fabricators/custom_emoji_fabricator.rb
@@ -1,5 +1,7 @@
+# frozen_string_literal: true
+
 Fabricator(:custom_emoji) do
   shortcode 'coolcat'
   domain    nil
-  image     { File.open(Rails.root.join('spec', 'fixtures', 'files', 'emojo.png')) }
+  image     { Rails.root.join('spec', 'fixtures', 'files', 'emojo.png').open }
 end
diff --git a/spec/fabricators/custom_filter_fabricator.rb b/spec/fabricators/custom_filter_fabricator.rb
index 64297a7e3..5fee4f01a 100644
--- a/spec/fabricators/custom_filter_fabricator.rb
+++ b/spec/fabricators/custom_filter_fabricator.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 Fabricator(:custom_filter) do
   account
   expires_at nil
diff --git a/spec/fabricators/custom_filter_keyword_fabricator.rb b/spec/fabricators/custom_filter_keyword_fabricator.rb
index 201566cbe..f1fb440dc 100644
--- a/spec/fabricators/custom_filter_keyword_fabricator.rb
+++ b/spec/fabricators/custom_filter_keyword_fabricator.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 Fabricator(:custom_filter_keyword) do
   custom_filter
   keyword 'discourse'
diff --git a/spec/fabricators/custom_filter_status_fabricator.rb b/spec/fabricators/custom_filter_status_fabricator.rb
index d082b81c5..3ef1d0ec8 100644
--- a/spec/fabricators/custom_filter_status_fabricator.rb
+++ b/spec/fabricators/custom_filter_status_fabricator.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 Fabricator(:custom_filter_status) do
   custom_filter
   status
diff --git a/spec/fabricators/device_fabricator.rb b/spec/fabricators/device_fabricator.rb
index b15d8248f..26c71b4fd 100644
--- a/spec/fabricators/device_fabricator.rb
+++ b/spec/fabricators/device_fabricator.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 Fabricator(:device) do
   access_token
   account
diff --git a/spec/fabricators/domain_allow_fabricator.rb b/spec/fabricators/domain_allow_fabricator.rb
index 6f62ce3b8..b32af129b 100644
--- a/spec/fabricators/domain_allow_fabricator.rb
+++ b/spec/fabricators/domain_allow_fabricator.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 Fabricator(:domain_allow) do
   domain 'MyString'
 end
diff --git a/spec/fabricators/domain_block_fabricator.rb b/spec/fabricators/domain_block_fabricator.rb
index cc1f928e5..c703a18e9 100644
--- a/spec/fabricators/domain_block_fabricator.rb
+++ b/spec/fabricators/domain_block_fabricator.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 Fabricator(:domain_block) do
   domain { sequence(:domain) { |i| "#{i}#{Faker::Internet.domain_name}" } }
 end
diff --git a/spec/fabricators/email_domain_block_fabricator.rb b/spec/fabricators/email_domain_block_fabricator.rb
index d18af6433..a74cca73d 100644
--- a/spec/fabricators/email_domain_block_fabricator.rb
+++ b/spec/fabricators/email_domain_block_fabricator.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 Fabricator(:email_domain_block) do
   domain { sequence(:domain) { |i| "#{i}#{Faker::Internet.domain_name}" } }
 end
diff --git a/spec/fabricators/encrypted_message_fabricator.rb b/spec/fabricators/encrypted_message_fabricator.rb
index 4de0d7add..289882754 100644
--- a/spec/fabricators/encrypted_message_fabricator.rb
+++ b/spec/fabricators/encrypted_message_fabricator.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 Fabricator(:encrypted_message) do
   device
   from_account
diff --git a/spec/fabricators/favourite_fabricator.rb b/spec/fabricators/favourite_fabricator.rb
index 464ac8d71..005947e6f 100644
--- a/spec/fabricators/favourite_fabricator.rb
+++ b/spec/fabricators/favourite_fabricator.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 Fabricator(:favourite) do
   account
   status
diff --git a/spec/fabricators/featured_tag_fabricator.rb b/spec/fabricators/featured_tag_fabricator.rb
index 25cbdaac0..4bfa3e924 100644
--- a/spec/fabricators/featured_tag_fabricator.rb
+++ b/spec/fabricators/featured_tag_fabricator.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 Fabricator(:featured_tag) do
   account
   tag
diff --git a/spec/fabricators/follow_fabricator.rb b/spec/fabricators/follow_fabricator.rb
index 9b25dc547..41b5305d5 100644
--- a/spec/fabricators/follow_fabricator.rb
+++ b/spec/fabricators/follow_fabricator.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 Fabricator(:follow) do
   account
   target_account { Fabricate(:account) }
diff --git a/spec/fabricators/follow_recommendation_suppression_fabricator.rb b/spec/fabricators/follow_recommendation_suppression_fabricator.rb
index 4a6a07a66..6477baee1 100644
--- a/spec/fabricators/follow_recommendation_suppression_fabricator.rb
+++ b/spec/fabricators/follow_recommendation_suppression_fabricator.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 Fabricator(:follow_recommendation_suppression) do
   account
 end
diff --git a/spec/fabricators/follow_request_fabricator.rb b/spec/fabricators/follow_request_fabricator.rb
index c00ddf84d..86b82611f 100644
--- a/spec/fabricators/follow_request_fabricator.rb
+++ b/spec/fabricators/follow_request_fabricator.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 Fabricator(:follow_request) do
   account
   target_account { Fabricate(:account, locked: true) }
diff --git a/spec/fabricators/identity_fabricator.rb b/spec/fabricators/identity_fabricator.rb
index fcfb15518..b83010111 100644
--- a/spec/fabricators/identity_fabricator.rb
+++ b/spec/fabricators/identity_fabricator.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 Fabricator(:identity) do
   user     nil
   provider 'MyString'
diff --git a/spec/fabricators/import_fabricator.rb b/spec/fabricators/import_fabricator.rb
index e2eb1e0df..11602f407 100644
--- a/spec/fabricators/import_fabricator.rb
+++ b/spec/fabricators/import_fabricator.rb
@@ -1,2 +1,4 @@
+# frozen_string_literal: true
+
 Fabricator(:import) do
 end
diff --git a/spec/fabricators/invite_fabricator.rb b/spec/fabricators/invite_fabricator.rb
index 62b9b3904..4f47d6ce2 100644
--- a/spec/fabricators/invite_fabricator.rb
+++ b/spec/fabricators/invite_fabricator.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 Fabricator(:invite) do
   user
   expires_at nil
diff --git a/spec/fabricators/ip_block_fabricator.rb b/spec/fabricators/ip_block_fabricator.rb
index 5bd018f9c..a5da3f706 100644
--- a/spec/fabricators/ip_block_fabricator.rb
+++ b/spec/fabricators/ip_block_fabricator.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 Fabricator(:ip_block) do
   ip         ''
   severity   ''
diff --git a/spec/fabricators/list_account_fabricator.rb b/spec/fabricators/list_account_fabricator.rb
index 30e4004aa..b0af29e6f 100644
--- a/spec/fabricators/list_account_fabricator.rb
+++ b/spec/fabricators/list_account_fabricator.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 Fabricator(:list_account) do
   list    nil
   account nil
diff --git a/spec/fabricators/list_fabricator.rb b/spec/fabricators/list_fabricator.rb
index 4ad29a386..47af752b8 100644
--- a/spec/fabricators/list_fabricator.rb
+++ b/spec/fabricators/list_fabricator.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 Fabricator(:list) do
   account
   title 'MyString'
diff --git a/spec/fabricators/login_activity_fabricator.rb b/spec/fabricators/login_activity_fabricator.rb
index 686fd6483..2b30658ff 100644
--- a/spec/fabricators/login_activity_fabricator.rb
+++ b/spec/fabricators/login_activity_fabricator.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 Fabricator(:login_activity) do
   user
   authentication_method 'password'
diff --git a/spec/fabricators/marker_fabricator.rb b/spec/fabricators/marker_fabricator.rb
index 0c94150e0..561c2553a 100644
--- a/spec/fabricators/marker_fabricator.rb
+++ b/spec/fabricators/marker_fabricator.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 Fabricator(:marker) do
   user
   timeline     'home'
diff --git a/spec/fabricators/media_attachment_fabricator.rb b/spec/fabricators/media_attachment_fabricator.rb
index 651927c2d..4a081dccb 100644
--- a/spec/fabricators/media_attachment_fabricator.rb
+++ b/spec/fabricators/media_attachment_fabricator.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 Fabricator(:media_attachment) do
   account
 
diff --git a/spec/fabricators/mention_fabricator.rb b/spec/fabricators/mention_fabricator.rb
index cb5fe4299..5a8392827 100644
--- a/spec/fabricators/mention_fabricator.rb
+++ b/spec/fabricators/mention_fabricator.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 Fabricator(:mention) do
   account
   status
diff --git a/spec/fabricators/mute_fabricator.rb b/spec/fabricators/mute_fabricator.rb
index 30d20e87e..242ae2b08 100644
--- a/spec/fabricators/mute_fabricator.rb
+++ b/spec/fabricators/mute_fabricator.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 Fabricator(:mute) do
   account
   target_account { Fabricate(:account) }
diff --git a/spec/fabricators/notification_fabricator.rb b/spec/fabricators/notification_fabricator.rb
index 638844e0f..959fda913 100644
--- a/spec/fabricators/notification_fabricator.rb
+++ b/spec/fabricators/notification_fabricator.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 Fabricator(:notification) do
   activity fabricator: [:mention, :status, :follow, :follow_request, :favourite].sample
   account
diff --git a/spec/fabricators/one_time_key_fabricator.rb b/spec/fabricators/one_time_key_fabricator.rb
index 8794baeb5..e317c28bd 100644
--- a/spec/fabricators/one_time_key_fabricator.rb
+++ b/spec/fabricators/one_time_key_fabricator.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 Fabricator(:one_time_key) do
   device
   key_id { Faker::Alphanumeric.alphanumeric(number: 10) }
diff --git a/spec/fabricators/poll_fabricator.rb b/spec/fabricators/poll_fabricator.rb
index 746610f7c..19c3b1d16 100644
--- a/spec/fabricators/poll_fabricator.rb
+++ b/spec/fabricators/poll_fabricator.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 Fabricator(:poll) do
   account
   status
diff --git a/spec/fabricators/poll_vote_fabricator.rb b/spec/fabricators/poll_vote_fabricator.rb
index c06e61f67..9099ae96f 100644
--- a/spec/fabricators/poll_vote_fabricator.rb
+++ b/spec/fabricators/poll_vote_fabricator.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 Fabricator(:poll_vote) do
   account
   poll
diff --git a/spec/fabricators/preview_card_fabricator.rb b/spec/fabricators/preview_card_fabricator.rb
index 99b5edc43..b8f2c5097 100644
--- a/spec/fabricators/preview_card_fabricator.rb
+++ b/spec/fabricators/preview_card_fabricator.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 Fabricator(:preview_card) do
   url { Faker::Internet.url }
   title { Faker::Lorem.sentence }
diff --git a/spec/fabricators/relay_fabricator.rb b/spec/fabricators/relay_fabricator.rb
index d6255866c..ad8ba86fc 100644
--- a/spec/fabricators/relay_fabricator.rb
+++ b/spec/fabricators/relay_fabricator.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 Fabricator(:relay) do
   inbox_url 'https://example.com/inbox'
   state :idle
diff --git a/spec/fabricators/report_fabricator.rb b/spec/fabricators/report_fabricator.rb
index 3011c49c6..7124773ad 100644
--- a/spec/fabricators/report_fabricator.rb
+++ b/spec/fabricators/report_fabricator.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 Fabricator(:report) do
   account
   target_account  { Fabricate(:account) }
diff --git a/spec/fabricators/report_note_fabricator.rb b/spec/fabricators/report_note_fabricator.rb
index 33f384074..f257fe2b7 100644
--- a/spec/fabricators/report_note_fabricator.rb
+++ b/spec/fabricators/report_note_fabricator.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 Fabricator(:report_note) do
   report
   account { Fabricate(:account) }
diff --git a/spec/fabricators/rule_fabricator.rb b/spec/fabricators/rule_fabricator.rb
index bc29bc48e..a29fd905a 100644
--- a/spec/fabricators/rule_fabricator.rb
+++ b/spec/fabricators/rule_fabricator.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 Fabricator(:rule) do
   priority   0
   deleted_at nil
diff --git a/spec/fabricators/scheduled_status_fabricator.rb b/spec/fabricators/scheduled_status_fabricator.rb
index 52384d137..e517f258a 100644
--- a/spec/fabricators/scheduled_status_fabricator.rb
+++ b/spec/fabricators/scheduled_status_fabricator.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 Fabricator(:scheduled_status) do
   account
   scheduled_at { 20.hours.from_now }
diff --git a/spec/fabricators/session_activation_fabricator.rb b/spec/fabricators/session_activation_fabricator.rb
index a7fc3b017..b28d5e41d 100644
--- a/spec/fabricators/session_activation_fabricator.rb
+++ b/spec/fabricators/session_activation_fabricator.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 Fabricator(:session_activation) do
   user
   session_id 'MyString'
diff --git a/spec/fabricators/site_upload_fabricator.rb b/spec/fabricators/site_upload_fabricator.rb
index 2efc57e28..ad1b777cc 100644
--- a/spec/fabricators/site_upload_fabricator.rb
+++ b/spec/fabricators/site_upload_fabricator.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 Fabricator(:site_upload) do
-  file { File.open(File.join(Rails.root, 'spec', 'fabricators', 'assets', 'utah_teapot.png')) }
+  file { Rails.root.join('spec', 'fabricators', 'assets', 'utah_teapot.png').open }
 end
diff --git a/spec/fabricators/status_edit_fabricator.rb b/spec/fabricators/status_edit_fabricator.rb
index 0e5796b23..33735a459 100644
--- a/spec/fabricators/status_edit_fabricator.rb
+++ b/spec/fabricators/status_edit_fabricator.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 Fabricator(:status_edit) do
   status                    nil
   account                   nil
diff --git a/spec/fabricators/status_fabricator.rb b/spec/fabricators/status_fabricator.rb
index 8a0a8aa55..17ac9ccd8 100644
--- a/spec/fabricators/status_fabricator.rb
+++ b/spec/fabricators/status_fabricator.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 Fabricator(:status) do
   account
   text 'Lorem ipsum dolor sit amet'
diff --git a/spec/fabricators/status_pin_fabricator.rb b/spec/fabricators/status_pin_fabricator.rb
index f1f1c05f3..9ad0ac9de 100644
--- a/spec/fabricators/status_pin_fabricator.rb
+++ b/spec/fabricators/status_pin_fabricator.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 Fabricator(:status_pin) do
   account
   status { |attrs| Fabricate(:status, account: attrs[:account], visibility: :public) }
diff --git a/spec/fabricators/status_stat_fabricator.rb b/spec/fabricators/status_stat_fabricator.rb
index feba9fbca..8a358c51a 100644
--- a/spec/fabricators/status_stat_fabricator.rb
+++ b/spec/fabricators/status_stat_fabricator.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 Fabricator(:status_stat) do
   status_id        nil
   replies_count    ''
diff --git a/spec/fabricators/system_key_fabricator.rb b/spec/fabricators/system_key_fabricator.rb
index c744bb286..ef6cec9c4 100644
--- a/spec/fabricators/system_key_fabricator.rb
+++ b/spec/fabricators/system_key_fabricator.rb
@@ -1,2 +1,4 @@
+# frozen_string_literal: true
+
 Fabricator(:system_key) do
 end
diff --git a/spec/fabricators/tag_fabricator.rb b/spec/fabricators/tag_fabricator.rb
index 33d57c928..a7b52e967 100644
--- a/spec/fabricators/tag_fabricator.rb
+++ b/spec/fabricators/tag_fabricator.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 Fabricator(:tag) do
   name { sequence(:hashtag) { |i| "#{Faker::Lorem.word}#{i}" } }
 end
diff --git a/spec/fabricators/tag_follow_fabricator.rb b/spec/fabricators/tag_follow_fabricator.rb
index a2cccb07a..cbe5b0989 100644
--- a/spec/fabricators/tag_follow_fabricator.rb
+++ b/spec/fabricators/tag_follow_fabricator.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 Fabricator(:tag_follow) do
   tag
   account
diff --git a/spec/fabricators/unavailable_domain_fabricator.rb b/spec/fabricators/unavailable_domain_fabricator.rb
index f661b87c4..300a9e7a1 100644
--- a/spec/fabricators/unavailable_domain_fabricator.rb
+++ b/spec/fabricators/unavailable_domain_fabricator.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 Fabricator(:unavailable_domain) do
   domain { Faker::Internet.domain }
 end
diff --git a/spec/fabricators/user_fabricator.rb b/spec/fabricators/user_fabricator.rb
index 93ce07a74..967347319 100644
--- a/spec/fabricators/user_fabricator.rb
+++ b/spec/fabricators/user_fabricator.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 Fabricator(:user) do
   account      { Fabricate.build(:account, user: nil) }
   email        { sequence(:email) { |i| "#{i}#{Faker::Internet.email}" } }
diff --git a/spec/fabricators/user_invite_request_fabricator.rb b/spec/fabricators/user_invite_request_fabricator.rb
index 5cc6ae56f..7736263e4 100644
--- a/spec/fabricators/user_invite_request_fabricator.rb
+++ b/spec/fabricators/user_invite_request_fabricator.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 Fabricator(:user_invite_request) do
   user
   text { Faker::Lorem.sentence }
diff --git a/spec/fabricators/user_role_fabricator.rb b/spec/fabricators/user_role_fabricator.rb
index 592b4edca..d44322760 100644
--- a/spec/fabricators/user_role_fabricator.rb
+++ b/spec/fabricators/user_role_fabricator.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 Fabricator(:user_role) do
   name        'MyString'
   color       ''
diff --git a/spec/fabricators/web_push_subscription_fabricator.rb b/spec/fabricators/web_push_subscription_fabricator.rb
index 97f90675d..baffdbf83 100644
--- a/spec/fabricators/web_push_subscription_fabricator.rb
+++ b/spec/fabricators/web_push_subscription_fabricator.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 Fabricator(:web_push_subscription, from: Web::PushSubscription) do
   endpoint   Faker::Internet.url
   key_p256dh Faker::Internet.password
diff --git a/spec/fabricators/web_setting_fabricator.rb b/spec/fabricators/web_setting_fabricator.rb
index 369b86bc1..7c9f30079 100644
--- a/spec/fabricators/web_setting_fabricator.rb
+++ b/spec/fabricators/web_setting_fabricator.rb
@@ -1,2 +1,4 @@
+# frozen_string_literal: true
+
 Fabricator(:web_setting, from: Web::Setting) do
 end
diff --git a/spec/fabricators/webauthn_credential_fabricator.rb b/spec/fabricators/webauthn_credential_fabricator.rb
index ba59ce967..b578d55f0 100644
--- a/spec/fabricators/webauthn_credential_fabricator.rb
+++ b/spec/fabricators/webauthn_credential_fabricator.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 Fabricator(:webauthn_credential) do
   user_id { Fabricate(:user).id }
   external_id { Base64.urlsafe_encode64(SecureRandom.random_bytes(16)) }
diff --git a/spec/fabricators/webhook_fabricator.rb b/spec/fabricators/webhook_fabricator.rb
index fa4f17b55..477e715ef 100644
--- a/spec/fabricators/webhook_fabricator.rb
+++ b/spec/fabricators/webhook_fabricator.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 Fabricator(:webhook) do
   url { Faker::Internet.url }
   secret { SecureRandom.hex }
diff --git a/spec/features/log_in_spec.rb b/spec/features/log_in_spec.rb
index 5ae738ee2..934575ea6 100644
--- a/spec/features/log_in_spec.rb
+++ b/spec/features/log_in_spec.rb
@@ -21,7 +21,7 @@ describe 'Log in' do
     fill_in 'user_password', with: password
     click_on I18n.t('auth.login')
 
-    is_expected.to have_css('div.app-holder')
+    expect(subject).to have_css('div.app-holder')
   end
 
   it 'A invalid email and password user is not able to log in' do
@@ -29,7 +29,7 @@ describe 'Log in' do
     fill_in 'user_password', with: 'invalid_password'
     click_on I18n.t('auth.login')
 
-    is_expected.to have_css('.flash-message', text: failure_message('invalid'))
+    expect(subject).to have_css('.flash-message', text: failure_message('invalid'))
   end
 
   context do
@@ -40,7 +40,7 @@ describe 'Log in' do
       fill_in 'user_password', with: password
       click_on I18n.t('auth.login')
 
-      is_expected.to have_css('div.admin-wrapper')
+      expect(subject).to have_css('div.admin-wrapper')
     end
   end
 
diff --git a/spec/features/profile_spec.rb b/spec/features/profile_spec.rb
index d1c6919c1..421b68a16 100644
--- a/spec/features/profile_spec.rb
+++ b/spec/features/profile_spec.rb
@@ -17,7 +17,7 @@ describe 'Profile' do
   it 'I can view Annes public account' do
     visit account_path('alice')
 
-    is_expected.to have_title("alice (@alice@#{local_domain})")
+    expect(subject).to have_title("alice (@alice@#{local_domain})")
   end
 
   it 'I can change my account' do
@@ -28,6 +28,6 @@ describe 'Profile' do
 
     first('button[type=submit]').click
 
-    is_expected.to have_content 'Changes successfully saved!'
+    expect(subject).to have_content 'Changes successfully saved!'
   end
 end
diff --git a/spec/helpers/accounts_helper_spec.rb b/spec/helpers/accounts_helper_spec.rb
index 1f412a39f..184b47dec 100644
--- a/spec/helpers/accounts_helper_spec.rb
+++ b/spec/helpers/accounts_helper_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe AccountsHelper, type: :helper do
diff --git a/spec/helpers/admin/action_log_helper_spec.rb b/spec/helpers/admin/action_logs_helper_spec.rb
index 9d7ed4ab7..9d7ed4ab7 100644
--- a/spec/helpers/admin/action_log_helper_spec.rb
+++ b/spec/helpers/admin/action_logs_helper_spec.rb
diff --git a/spec/helpers/admin/filter_helper_spec.rb b/spec/helpers/admin/filter_helper_spec.rb
index 9d4ea2829..bbf90a996 100644
--- a/spec/helpers/admin/filter_helper_spec.rb
+++ b/spec/helpers/admin/filter_helper_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 describe Admin::FilterHelper do
diff --git a/spec/helpers/application_helper_spec.rb b/spec/helpers/application_helper_spec.rb
index 6502cfebf..2db2ee288 100644
--- a/spec/helpers/application_helper_spec.rb
+++ b/spec/helpers/application_helper_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 describe ApplicationHelper do
@@ -65,7 +67,7 @@ describe ApplicationHelper do
         expect(Setting).to receive(:registrations_mode).and_return('open')
       end
 
-      expect(helper.open_registrations?).to eq true
+      expect(helper.open_registrations?).to be true
     end
 
     it 'returns false when closed for registrations' do
@@ -73,7 +75,7 @@ describe ApplicationHelper do
         expect(Setting).to receive(:registrations_mode).and_return('none')
       end
 
-      expect(helper.open_registrations?).to eq false
+      expect(helper.open_registrations?).to be false
     end
   end
 
@@ -84,7 +86,7 @@ describe ApplicationHelper do
       end
 
       it 'does not show landing strip' do
-        expect(helper.show_landing_strip?).to eq false
+        expect(helper.show_landing_strip?).to be false
       end
     end
 
@@ -96,13 +98,13 @@ describe ApplicationHelper do
       it 'does not show landing strip on single user instance' do
         allow(helper).to receive(:single_user_mode?).and_return(true)
 
-        expect(helper.show_landing_strip?).to eq false
+        expect(helper.show_landing_strip?).to be false
       end
 
       it 'shows landing strip on multi user instance' do
         allow(helper).to receive(:single_user_mode?).and_return(false)
 
-        expect(helper.show_landing_strip?).to eq true
+        expect(helper.show_landing_strip?).to be true
       end
     end
   end
diff --git a/spec/helpers/home_helper_spec.rb b/spec/helpers/home_helper_spec.rb
index a3dc6f836..77db327c2 100644
--- a/spec/helpers/home_helper_spec.rb
+++ b/spec/helpers/home_helper_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe HomeHelper, type: :helper do
diff --git a/spec/helpers/jsonld_helper_spec.rb b/spec/helpers/jsonld_helper_spec.rb
index debee17f0..ddd4bfe62 100644
--- a/spec/helpers/jsonld_helper_spec.rb
+++ b/spec/helpers/jsonld_helper_spec.rb
@@ -66,14 +66,14 @@ describe JsonLdHelper do
         stub_request(:get, 'https://mallory.test/').to_return body: '{"id": "https://marvin.test/"}'
         stub_request(:get, 'https://marvin.test/').to_return body: '{"id": "https://alice.test/"}'
 
-        expect(fetch_resource('https://mallory.test/', false)).to eq nil
+        expect(fetch_resource('https://mallory.test/', false)).to be_nil
       end
     end
 
     context 'when the second argument is true' do
       it 'returns nil if the retrieved ID and the given URI does not match' do
         stub_request(:get, 'https://mallory.test/').to_return body: '{"id": "https://alice.test/"}'
-        expect(fetch_resource('https://mallory.test/', true)).to eq nil
+        expect(fetch_resource('https://mallory.test/', true)).to be_nil
       end
     end
   end
@@ -81,7 +81,7 @@ describe JsonLdHelper do
   describe '#fetch_resource_without_id_validation' do
     it 'returns nil if the status code is not 200' do
       stub_request(:get, 'https://host.test/').to_return status: 400, body: '{}'
-      expect(fetch_resource_without_id_validation('https://host.test/')).to eq nil
+      expect(fetch_resource_without_id_validation('https://host.test/')).to be_nil
     end
 
     it 'returns hash' do
@@ -150,7 +150,7 @@ describe JsonLdHelper do
         patch_for_forwarding!(json, compacted)
         expect(compacted['to']).to eq ['https://www.w3.org/ns/activitystreams#Public']
         expect(compacted.dig('object', 'tag', 0, 'href')).to eq ['foo']
-        expect(safe_for_forwarding?(json, compacted)).to eq true
+        expect(safe_for_forwarding?(json, compacted)).to be true
       end
     end
 
@@ -160,14 +160,14 @@ describe JsonLdHelper do
         compacted = compact(json)
         deemed_compatible = patch_for_forwarding!(json, compacted)
         expect(compacted['to']).to eq ['https://www.w3.org/ns/activitystreams#Public']
-        expect(safe_for_forwarding?(json, compacted)).to eq true
+        expect(safe_for_forwarding?(json, compacted)).to be true
       end
 
       it 'deems an unsafe compacting as such' do
         compacted = compact(json)
         deemed_compatible = patch_for_forwarding!(json, compacted)
         expect(compacted['to']).to eq ['https://www.w3.org/ns/activitystreams#Public']
-        expect(safe_for_forwarding?(json, compacted)).to eq false
+        expect(safe_for_forwarding?(json, compacted)).to be false
       end
     end
   end
diff --git a/spec/helpers/statuses_helper_spec.rb b/spec/helpers/statuses_helper_spec.rb
index cba659bfb..ce2a4680e 100644
--- a/spec/helpers/statuses_helper_spec.rb
+++ b/spec/helpers/statuses_helper_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe StatusesHelper, type: :helper do
diff --git a/spec/lib/activitypub/activity/accept_spec.rb b/spec/lib/activitypub/activity/accept_spec.rb
index 304cf2208..890a07be5 100644
--- a/spec/lib/activitypub/activity/accept_spec.rb
+++ b/spec/lib/activitypub/activity/accept_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe ActivityPub::Activity::Accept do
@@ -42,6 +44,8 @@ RSpec.describe ActivityPub::Activity::Accept do
   end
 
   context 'given a relay' do
+    subject { described_class.new(json, sender) }
+
     let!(:relay) { Fabricate(:relay, state: :pending, follow_activity_id: 'https://abc-123/456') }
 
     let(:json) do
@@ -59,8 +63,6 @@ RSpec.describe ActivityPub::Activity::Accept do
       }.with_indifferent_access
     end
 
-    subject { described_class.new(json, sender) }
-
     it 'marks the relay as accepted' do
       subject.perform
       expect(relay.reload.accepted?).to be true
diff --git a/spec/lib/activitypub/activity/add_spec.rb b/spec/lib/activitypub/activity/add_spec.rb
index 0b08e2924..9c45e465e 100644
--- a/spec/lib/activitypub/activity/add_spec.rb
+++ b/spec/lib/activitypub/activity/add_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe ActivityPub::Activity::Add do
@@ -48,10 +50,10 @@ RSpec.describe ActivityPub::Activity::Add do
         end
 
         it 'fetches the status and pins it' do
-          allow(service_stub).to receive(:call) do |uri, id: true, on_behalf_of: nil, request_id: nil|
+          allow(service_stub).to receive(:call) do |uri, id: true, on_behalf_of: nil, request_id: nil| # rubocop:disable Lint/UnusedBlockArgument
             expect(uri).to eq 'https://example.com/unknown'
-            expect(id).to eq true
-            expect(on_behalf_of&.following?(sender)).to eq true
+            expect(id).to be true
+            expect(on_behalf_of&.following?(sender)).to be true
             status
           end
           subject.perform
@@ -62,10 +64,10 @@ RSpec.describe ActivityPub::Activity::Add do
 
       context 'when there is no local follower' do
         it 'tries to fetch the status' do
-          allow(service_stub).to receive(:call) do |uri, id: true, on_behalf_of: nil, request_id: nil|
+          allow(service_stub).to receive(:call) do |uri, id: true, on_behalf_of: nil, request_id: nil| # rubocop:disable Lint/UnusedBlockArgument
             expect(uri).to eq 'https://example.com/unknown'
-            expect(id).to eq true
-            expect(on_behalf_of).to eq nil
+            expect(id).to be true
+            expect(on_behalf_of).to be_nil
             nil
           end
           subject.perform
diff --git a/spec/lib/activitypub/activity/announce_spec.rb b/spec/lib/activitypub/activity/announce_spec.rb
index 461c3757b..394b1d7b9 100644
--- a/spec/lib/activitypub/activity/announce_spec.rb
+++ b/spec/lib/activitypub/activity/announce_spec.rb
@@ -1,6 +1,10 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe ActivityPub::Activity::Announce do
+  subject { described_class.new(json, sender) }
+
   let(:sender)    { Fabricate(:account, followers_url: 'http://example.com/followers', uri: 'https://example.com/actor') }
   let(:recipient) { Fabricate(:account) }
   let(:status)    { Fabricate(:status, account: recipient) }
@@ -27,8 +31,6 @@ RSpec.describe ActivityPub::Activity::Announce do
     }
   end
 
-  subject { described_class.new(json, sender) }
-
   describe '#perform' do
     context 'when sender is followed by a local account' do
       before do
@@ -110,13 +112,13 @@ RSpec.describe ActivityPub::Activity::Announce do
     end
 
     context 'when the sender is relayed' do
+      subject { described_class.new(json, sender, relayed_through_actor: relay_account) }
+
       let!(:relay_account) { Fabricate(:account, inbox_url: 'https://relay.example.com/inbox') }
       let!(:relay) { Fabricate(:relay, inbox_url: 'https://relay.example.com/inbox') }
 
       let(:object_json) { 'https://example.com/actor/hello-world' }
 
-      subject { described_class.new(json, sender, relayed_through_actor: relay_account) }
-
       before do
         stub_request(:get, 'https://example.com/actor/hello-world').to_return(body: Oj.dump(unknown_object_json))
       end
@@ -139,7 +141,7 @@ RSpec.describe ActivityPub::Activity::Announce do
         end
 
         it 'does not fetch the remote status' do
-          expect(a_request(:get, 'https://example.com/actor/hello-world')).not_to have_been_made
+          expect(a_request(:get, 'https://example.com/actor/hello-world')).to_not have_been_made
           expect(Status.find_by(uri: 'https://example.com/actor/hello-world')).to be_nil
         end
 
diff --git a/spec/lib/activitypub/activity/block_spec.rb b/spec/lib/activitypub/activity/block_spec.rb
index 42bdfdc81..6f6898401 100644
--- a/spec/lib/activitypub/activity/block_spec.rb
+++ b/spec/lib/activitypub/activity/block_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe ActivityPub::Activity::Block do
diff --git a/spec/lib/activitypub/activity/create_spec.rb b/spec/lib/activitypub/activity/create_spec.rb
index 0bf51fb9f..1226cfd8e 100644
--- a/spec/lib/activitypub/activity/create_spec.rb
+++ b/spec/lib/activitypub/activity/create_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe ActivityPub::Activity::Create do
@@ -51,7 +53,7 @@ RSpec.describe ActivityPub::Activity::Create do
           status = sender.statuses.first
 
           expect(status).to_not be_nil
-          expect(status.edited?).to eq true
+          expect(status.edited?).to be true
         end
       end
 
@@ -77,7 +79,7 @@ RSpec.describe ActivityPub::Activity::Create do
           status = sender.statuses.first
 
           expect(status).to_not be_nil
-          expect(status.edited?).to eq false
+          expect(status.edited?).to be false
         end
       end
 
@@ -798,11 +800,9 @@ RSpec.describe ActivityPub::Activity::Create do
     end
 
     context 'with an encrypted message' do
-      let(:recipient) { Fabricate(:account) }
-      let(:target_device) { Fabricate(:device, account: recipient) }
-
       subject { described_class.new(json, sender, delivery: true, delivered_to_account_id: recipient.id) }
 
+      let(:recipient) { Fabricate(:account) }
       let(:object_json) do
         {
           id: [ActivityPub::TagManager.instance.uri_for(sender), '#bar'].join,
@@ -824,6 +824,7 @@ RSpec.describe ActivityPub::Activity::Create do
           },
         }
       end
+      let(:target_device) { Fabricate(:device, account: recipient) }
 
       before do
         subject.perform
@@ -878,14 +879,9 @@ RSpec.describe ActivityPub::Activity::Create do
     end
 
     context 'when sender replies to local status' do
-      let!(:local_status) { Fabricate(:status) }
-
       subject { described_class.new(json, sender, delivery: true) }
 
-      before do
-        subject.perform
-      end
-
+      let!(:local_status) { Fabricate(:status) }
       let(:object_json) do
         {
           id: [ActivityPub::TagManager.instance.uri_for(sender), '#bar'].join,
@@ -895,6 +891,10 @@ RSpec.describe ActivityPub::Activity::Create do
         }
       end
 
+      before do
+        subject.perform
+      end
+
       it 'creates status' do
         status = sender.statuses.first
 
@@ -904,14 +904,9 @@ RSpec.describe ActivityPub::Activity::Create do
     end
 
     context 'when sender targets a local user' do
-      let!(:local_account) { Fabricate(:account) }
-
       subject { described_class.new(json, sender, delivery: true) }
 
-      before do
-        subject.perform
-      end
-
+      let!(:local_account) { Fabricate(:account) }
       let(:object_json) do
         {
           id: [ActivityPub::TagManager.instance.uri_for(sender), '#bar'].join,
@@ -921,6 +916,10 @@ RSpec.describe ActivityPub::Activity::Create do
         }
       end
 
+      before do
+        subject.perform
+      end
+
       it 'creates status' do
         status = sender.statuses.first
 
@@ -930,14 +929,9 @@ RSpec.describe ActivityPub::Activity::Create do
     end
 
     context 'when sender cc\'s a local user' do
-      let!(:local_account) { Fabricate(:account) }
-
       subject { described_class.new(json, sender, delivery: true) }
 
-      before do
-        subject.perform
-      end
-
+      let!(:local_account) { Fabricate(:account) }
       let(:object_json) do
         {
           id: [ActivityPub::TagManager.instance.uri_for(sender), '#bar'].join,
@@ -947,6 +941,10 @@ RSpec.describe ActivityPub::Activity::Create do
         }
       end
 
+      before do
+        subject.perform
+      end
+
       it 'creates status' do
         status = sender.statuses.first
 
diff --git a/spec/lib/activitypub/activity/delete_spec.rb b/spec/lib/activitypub/activity/delete_spec.rb
index 9dfb8a61b..3a73b3726 100644
--- a/spec/lib/activitypub/activity/delete_spec.rb
+++ b/spec/lib/activitypub/activity/delete_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe ActivityPub::Activity::Delete do
@@ -30,6 +32,7 @@ RSpec.describe ActivityPub::Activity::Delete do
   context 'when the status has been reblogged' do
     describe '#perform' do
       subject { described_class.new(json, sender) }
+
       let!(:reblogger) { Fabricate(:account) }
       let!(:follower)  { Fabricate(:account, username: 'follower', protocol: :activitypub, domain: 'example.com', inbox_url: 'http://example.com/inbox') }
       let!(:reblog)    { Fabricate(:status, account: reblogger, reblog: status) }
@@ -53,6 +56,7 @@ RSpec.describe ActivityPub::Activity::Delete do
   context 'when the status has been reported' do
     describe '#perform' do
       subject { described_class.new(json, sender) }
+
       let!(:reporter) { Fabricate(:account) }
 
       before do
diff --git a/spec/lib/activitypub/activity/flag_spec.rb b/spec/lib/activitypub/activity/flag_spec.rb
index 7890fd1e8..005e185e6 100644
--- a/spec/lib/activitypub/activity/flag_spec.rb
+++ b/spec/lib/activitypub/activity/flag_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe ActivityPub::Activity::Flag do
@@ -110,6 +112,7 @@ RSpec.describe ActivityPub::Activity::Flag do
 
   describe '#perform with a defined uri' do
     subject { described_class.new(json, sender) }
+
     let(:flag_id) { 'http://example.com/reports/1' }
 
     before do
diff --git a/spec/lib/activitypub/activity/follow_spec.rb b/spec/lib/activitypub/activity/follow_spec.rb
index fd4ede82b..eb8b17d61 100644
--- a/spec/lib/activitypub/activity/follow_spec.rb
+++ b/spec/lib/activitypub/activity/follow_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe ActivityPub::Activity::Follow do
diff --git a/spec/lib/activitypub/activity/like_spec.rb b/spec/lib/activitypub/activity/like_spec.rb
index b69615a9d..640d61ab3 100644
--- a/spec/lib/activitypub/activity/like_spec.rb
+++ b/spec/lib/activitypub/activity/like_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe ActivityPub::Activity::Like do
diff --git a/spec/lib/activitypub/activity/move_spec.rb b/spec/lib/activitypub/activity/move_spec.rb
index c468fdeff..8bd23aa7b 100644
--- a/spec/lib/activitypub/activity/move_spec.rb
+++ b/spec/lib/activitypub/activity/move_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe ActivityPub::Activity::Move do
diff --git a/spec/lib/activitypub/activity/reject_spec.rb b/spec/lib/activitypub/activity/reject_spec.rb
index fed4cd8cd..5e0f09bfe 100644
--- a/spec/lib/activitypub/activity/reject_spec.rb
+++ b/spec/lib/activitypub/activity/reject_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe ActivityPub::Activity::Reject do
@@ -121,6 +123,8 @@ RSpec.describe ActivityPub::Activity::Reject do
   end
 
   context 'given a relay' do
+    subject { described_class.new(json, sender) }
+
     let!(:relay) { Fabricate(:relay, state: :pending, follow_activity_id: 'https://abc-123/456') }
 
     let(:json) do
@@ -138,8 +142,6 @@ RSpec.describe ActivityPub::Activity::Reject do
       }.with_indifferent_access
     end
 
-    subject { described_class.new(json, sender) }
-
     it 'marks the relay as rejected' do
       subject.perform
       expect(relay.reload.rejected?).to be true
diff --git a/spec/lib/activitypub/activity/remove_spec.rb b/spec/lib/activitypub/activity/remove_spec.rb
index 4209dfde2..fc12aec8c 100644
--- a/spec/lib/activitypub/activity/remove_spec.rb
+++ b/spec/lib/activitypub/activity/remove_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe ActivityPub::Activity::Remove do
diff --git a/spec/lib/activitypub/activity/undo_spec.rb b/spec/lib/activitypub/activity/undo_spec.rb
index c0309e49d..b4cbc7196 100644
--- a/spec/lib/activitypub/activity/undo_spec.rb
+++ b/spec/lib/activitypub/activity/undo_spec.rb
@@ -1,6 +1,10 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe ActivityPub::Activity::Undo do
+  subject { described_class.new(json, sender) }
+
   let(:sender) { Fabricate(:account, domain: 'example.com') }
 
   let(:json) do
@@ -13,8 +17,6 @@ RSpec.describe ActivityPub::Activity::Undo do
     }.with_indifferent_access
   end
 
-  subject { described_class.new(json, sender) }
-
   describe '#perform' do
     context 'with Announce' do
       let(:status) { Fabricate(:status) }
diff --git a/spec/lib/activitypub/activity/update_spec.rb b/spec/lib/activitypub/activity/update_spec.rb
index 4cd853af2..f77279c02 100644
--- a/spec/lib/activitypub/activity/update_spec.rb
+++ b/spec/lib/activitypub/activity/update_spec.rb
@@ -1,14 +1,16 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe ActivityPub::Activity::Update do
+  subject { described_class.new(json, sender) }
+
   let!(:sender) { Fabricate(:account) }
 
   before do
     sender.update!(uri: ActivityPub::TagManager.instance.uri_for(sender))
   end
 
-  subject { described_class.new(json, sender) }
-
   describe '#perform' do
     context 'with an Actor object' do
       let(:modified_sender) do
diff --git a/spec/lib/activitypub/adapter_spec.rb b/spec/lib/activitypub/adapter_spec.rb
index ea03797aa..b981ea9c6 100644
--- a/spec/lib/activitypub/adapter_spec.rb
+++ b/spec/lib/activitypub/adapter_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe ActivityPub::Adapter do
@@ -41,10 +43,10 @@ RSpec.describe ActivityPub::Adapter do
   end
 
   describe '#serializable_hash' do
-    let(:serializer_class) {}
-
     subject { ActiveModelSerializers::SerializableResource.new(TestObject.new(foo: 'bar'), serializer: serializer_class, adapter: described_class).as_json }
 
+    let(:serializer_class) {}
+
     context 'when serializer defines no context' do
       let(:serializer_class) { TestWithBasicContextSerializer }
 
diff --git a/spec/lib/activitypub/dereferencer_spec.rb b/spec/lib/activitypub/dereferencer_spec.rb
index e50b497c7..11078de86 100644
--- a/spec/lib/activitypub/dereferencer_spec.rb
+++ b/spec/lib/activitypub/dereferencer_spec.rb
@@ -1,14 +1,16 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe ActivityPub::Dereferencer do
   describe '#object' do
+    subject { described_class.new(uri, permitted_origin: permitted_origin, signature_actor: signature_actor).object }
+
     let(:object) { { '@context': 'https://www.w3.org/ns/activitystreams', id: 'https://example.com/foo', type: 'Note', content: 'Hoge' } }
     let(:permitted_origin) { 'https://example.com' }
     let(:signature_actor) { nil }
     let(:uri) { nil }
 
-    subject { described_class.new(uri, permitted_origin: permitted_origin, signature_actor: signature_actor).object }
-
     before do
       stub_request(:get, 'https://example.com/foo').to_return(body: Oj.dump(object), headers: { 'Content-Type' => 'application/activity+json' })
     end
diff --git a/spec/lib/activitypub/linked_data_signature_spec.rb b/spec/lib/activitypub/linked_data_signature_spec.rb
index d55a7c7fa..619d6df12 100644
--- a/spec/lib/activitypub/linked_data_signature_spec.rb
+++ b/spec/lib/activitypub/linked_data_signature_spec.rb
@@ -1,8 +1,12 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe ActivityPub::LinkedDataSignature do
   include JsonLdHelper
 
+  subject { described_class.new(json) }
+
   let!(:sender) { Fabricate(:account, uri: 'http://example.com/alice') }
 
   let(:raw_json) do
@@ -14,8 +18,6 @@ RSpec.describe ActivityPub::LinkedDataSignature do
 
   let(:json) { raw_json.merge('signature' => signature) }
 
-  subject { described_class.new(json) }
-
   before do
     stub_jsonld_contexts!
   end
diff --git a/spec/lib/activitypub/tag_manager_spec.rb b/spec/lib/activitypub/tag_manager_spec.rb
index 606a1de2e..596e91e95 100644
--- a/spec/lib/activitypub/tag_manager_spec.rb
+++ b/spec/lib/activitypub/tag_manager_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe ActivityPub::TagManager do
diff --git a/spec/lib/emoji_formatter_spec.rb b/spec/lib/emoji_formatter_spec.rb
index e1747bdd9..b73d5be4b 100644
--- a/spec/lib/emoji_formatter_spec.rb
+++ b/spec/lib/emoji_formatter_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe EmojiFormatter do
@@ -24,7 +26,7 @@ RSpec.describe EmojiFormatter do
       let(:text) { preformat_text(':coolcat: Beep boop') }
 
       it 'converts the shortcode to an image tag' do
-        is_expected.to match(/<img rel="emoji" draggable="false" width="16" height="16" class="emojione custom-emoji" alt=":coolcat:"/)
+        expect(subject).to match(/<img rel="emoji" draggable="false" width="16" height="16" class="emojione custom-emoji" alt=":coolcat:"/)
       end
     end
 
@@ -32,7 +34,7 @@ RSpec.describe EmojiFormatter do
       let(:text) { preformat_text('Beep :coolcat: boop') }
 
       it 'converts the shortcode to an image tag' do
-        is_expected.to match(/Beep <img rel="emoji" draggable="false" width="16" height="16" class="emojione custom-emoji" alt=":coolcat:"/)
+        expect(subject).to match(/Beep <img rel="emoji" draggable="false" width="16" height="16" class="emojione custom-emoji" alt=":coolcat:"/)
       end
     end
 
@@ -40,7 +42,7 @@ RSpec.describe EmojiFormatter do
       let(:text) { preformat_text(':coolcat::coolcat:') }
 
       it 'does not touch the shortcodes' do
-        is_expected.to match(/:coolcat::coolcat:/)
+        expect(subject).to match(/:coolcat::coolcat:/)
       end
     end
 
@@ -48,7 +50,7 @@ RSpec.describe EmojiFormatter do
       let(:text) { preformat_text('Beep boop :coolcat:') }
 
       it 'converts the shortcode to an image tag' do
-        is_expected.to match(/boop <img rel="emoji" draggable="false" width="16" height="16" class="emojione custom-emoji" alt=":coolcat:"/)
+        expect(subject).to match(/boop <img rel="emoji" draggable="false" width="16" height="16" class="emojione custom-emoji" alt=":coolcat:"/)
       end
     end
   end
diff --git a/spec/lib/entity_cache_spec.rb b/spec/lib/entity_cache_spec.rb
index 43494bd92..c750cddf3 100644
--- a/spec/lib/entity_cache_spec.rb
+++ b/spec/lib/entity_cache_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe EntityCache do
@@ -12,7 +14,7 @@ RSpec.describe EntityCache do
       let(:domain)     { 'example.org' }
 
       it 'returns an empty array' do
-        is_expected.to eq []
+        expect(subject).to eq []
       end
     end
   end
diff --git a/spec/lib/feed_manager_spec.rb b/spec/lib/feed_manager_spec.rb
index b25084938..d1e0d60e0 100644
--- a/spec/lib/feed_manager_spec.rb
+++ b/spec/lib/feed_manager_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe FeedManager do
@@ -304,7 +306,7 @@ RSpec.describe FeedManager do
       status = Fabricate(:status, reblog: reblog)
       FeedManager.instance.push_to_home(account, status)
 
-      expect(FeedManager.instance.push_to_home(account, reblog)).to eq false
+      expect(FeedManager.instance.push_to_home(account, reblog)).to be false
     end
   end
 
@@ -329,7 +331,7 @@ RSpec.describe FeedManager do
       status = Fabricate(:status, reblog: reblog)
       FeedManager.instance.push_to_list(list, status)
 
-      expect(FeedManager.instance.push_to_list(list, reblog)).to eq false
+      expect(FeedManager.instance.push_to_list(list, reblog)).to be false
     end
 
     context 'when replies policy is set to no replies' do
@@ -339,19 +341,19 @@ RSpec.describe FeedManager do
 
       it 'pushes statuses that are not replies' do
         status = Fabricate(:status, text: 'Hello world', account: bob)
-        expect(FeedManager.instance.push_to_list(list, status)).to eq true
+        expect(FeedManager.instance.push_to_list(list, status)).to be true
       end
 
       it 'pushes statuses that are replies to list owner' do
         status = Fabricate(:status, text: 'Hello world', account: owner)
         reply  = Fabricate(:status, text: 'Nay', thread: status, account: bob)
-        expect(FeedManager.instance.push_to_list(list, reply)).to eq true
+        expect(FeedManager.instance.push_to_list(list, reply)).to be true
       end
 
       it 'does not push replies to another member of the list' do
         status = Fabricate(:status, text: 'Hello world', account: alice)
         reply  = Fabricate(:status, text: 'Nay', thread: status, account: bob)
-        expect(FeedManager.instance.push_to_list(list, reply)).to eq false
+        expect(FeedManager.instance.push_to_list(list, reply)).to be false
       end
     end
 
@@ -362,25 +364,25 @@ RSpec.describe FeedManager do
 
       it 'pushes statuses that are not replies' do
         status = Fabricate(:status, text: 'Hello world', account: bob)
-        expect(FeedManager.instance.push_to_list(list, status)).to eq true
+        expect(FeedManager.instance.push_to_list(list, status)).to be true
       end
 
       it 'pushes statuses that are replies to list owner' do
         status = Fabricate(:status, text: 'Hello world', account: owner)
         reply  = Fabricate(:status, text: 'Nay', thread: status, account: bob)
-        expect(FeedManager.instance.push_to_list(list, reply)).to eq true
+        expect(FeedManager.instance.push_to_list(list, reply)).to be true
       end
 
       it 'pushes replies to another member of the list' do
         status = Fabricate(:status, text: 'Hello world', account: alice)
         reply  = Fabricate(:status, text: 'Nay', thread: status, account: bob)
-        expect(FeedManager.instance.push_to_list(list, reply)).to eq true
+        expect(FeedManager.instance.push_to_list(list, reply)).to be true
       end
 
       it 'does not push replies to someone not a member of the list' do
         status = Fabricate(:status, text: 'Hello world', account: eve)
         reply  = Fabricate(:status, text: 'Nay', thread: status, account: bob)
-        expect(FeedManager.instance.push_to_list(list, reply)).to eq false
+        expect(FeedManager.instance.push_to_list(list, reply)).to be false
       end
     end
 
@@ -391,25 +393,25 @@ RSpec.describe FeedManager do
 
       it 'pushes statuses that are not replies' do
         status = Fabricate(:status, text: 'Hello world', account: bob)
-        expect(FeedManager.instance.push_to_list(list, status)).to eq true
+        expect(FeedManager.instance.push_to_list(list, status)).to be true
       end
 
       it 'pushes statuses that are replies to list owner' do
         status = Fabricate(:status, text: 'Hello world', account: owner)
         reply  = Fabricate(:status, text: 'Nay', thread: status, account: bob)
-        expect(FeedManager.instance.push_to_list(list, reply)).to eq true
+        expect(FeedManager.instance.push_to_list(list, reply)).to be true
       end
 
       it 'pushes replies to another member of the list' do
         status = Fabricate(:status, text: 'Hello world', account: alice)
         reply  = Fabricate(:status, text: 'Nay', thread: status, account: bob)
-        expect(FeedManager.instance.push_to_list(list, reply)).to eq true
+        expect(FeedManager.instance.push_to_list(list, reply)).to be true
       end
 
       it 'pushes replies to someone not a member of the list' do
         status = Fabricate(:status, text: 'Hello world', account: eve)
         reply  = Fabricate(:status, text: 'Nay', thread: status, account: bob)
-        expect(FeedManager.instance.push_to_list(list, reply)).to eq true
+        expect(FeedManager.instance.push_to_list(list, reply)).to be true
       end
     end
   end
@@ -423,7 +425,7 @@ RSpec.describe FeedManager do
 
       FeedManager.instance.merge_into_home(account, reblog.account)
 
-      expect(redis.zscore('feed:home:0', reblog.id)).to eq nil
+      expect(redis.zscore('feed:home:0', reblog.id)).to be_nil
     end
   end
 
diff --git a/spec/lib/html_aware_formatter_spec.rb b/spec/lib/html_aware_formatter_spec.rb
index 18d23abf5..315035957 100644
--- a/spec/lib/html_aware_formatter_spec.rb
+++ b/spec/lib/html_aware_formatter_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe HtmlAwareFormatter do
@@ -9,7 +11,7 @@ RSpec.describe HtmlAwareFormatter do
       let(:text) { 'Foo bar' }
 
       it 'returns formatted text' do
-        is_expected.to eq '<p>Foo bar</p>'
+        expect(subject).to eq '<p>Foo bar</p>'
       end
     end
 
@@ -20,7 +22,7 @@ RSpec.describe HtmlAwareFormatter do
         let(:text) { 'Beep boop' }
 
         it 'keeps the plain text' do
-          is_expected.to include 'Beep boop'
+          expect(subject).to include 'Beep boop'
         end
       end
 
@@ -28,7 +30,7 @@ RSpec.describe HtmlAwareFormatter do
         let(:text) { '<script>alert("Hello")</script>' }
 
         it 'strips the scripts' do
-          is_expected.to_not include '<script>alert("Hello")</script>'
+          expect(subject).to_not include '<script>alert("Hello")</script>'
         end
       end
 
@@ -36,7 +38,7 @@ RSpec.describe HtmlAwareFormatter do
         let(:text) { '<span class="mention  status__content__spoiler-link">Show more</span>' }
 
         it 'strips the malicious classes' do
-          is_expected.to_not include 'status__content__spoiler-link'
+          expect(subject).to_not include 'status__content__spoiler-link'
         end
       end
     end
diff --git a/spec/lib/link_details_extractor_spec.rb b/spec/lib/link_details_extractor_spec.rb
index 7eb15ced3..a46dd743a 100644
--- a/spec/lib/link_details_extractor_spec.rb
+++ b/spec/lib/link_details_extractor_spec.rb
@@ -1,12 +1,14 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe LinkDetailsExtractor do
+  subject { described_class.new(original_url, html, html_charset) }
+
   let(:original_url) { '' }
   let(:html) { '' }
   let(:html_charset) { nil }
 
-  subject { described_class.new(original_url, html, html_charset) }
-
   describe '#canonical_url' do
     let(:original_url) { 'https://foo.com/article?bar=baz123' }
 
diff --git a/spec/lib/ostatus/tag_manager_spec.rb b/spec/lib/ostatus/tag_manager_spec.rb
index 31195bae2..8104a7e79 100644
--- a/spec/lib/ostatus/tag_manager_spec.rb
+++ b/spec/lib/ostatus/tag_manager_spec.rb
@@ -15,15 +15,15 @@ describe OStatus::TagManager do
     end
 
     it 'returns nil if it is not local id' do
-      expect(OStatus::TagManager.instance.unique_tag_to_local_id('tag:remote,2000-01-01:objectId=12:objectType=Status', 'Status')).to eq nil
+      expect(OStatus::TagManager.instance.unique_tag_to_local_id('tag:remote,2000-01-01:objectId=12:objectType=Status', 'Status')).to be_nil
     end
 
     it 'returns nil if it is not expected type' do
-      expect(OStatus::TagManager.instance.unique_tag_to_local_id('tag:cb6e6126.ngrok.io,2000-01-01:objectId=12:objectType=Block', 'Status')).to eq nil
+      expect(OStatus::TagManager.instance.unique_tag_to_local_id('tag:cb6e6126.ngrok.io,2000-01-01:objectId=12:objectType=Block', 'Status')).to be_nil
     end
 
     it 'returns nil if it does not have object ID' do
-      expect(OStatus::TagManager.instance.unique_tag_to_local_id('tag:cb6e6126.ngrok.io,2000-01-01:objectType=Status', 'Status')).to eq nil
+      expect(OStatus::TagManager.instance.unique_tag_to_local_id('tag:cb6e6126.ngrok.io,2000-01-01:objectType=Status', 'Status')).to be_nil
     end
   end
 
@@ -45,7 +45,7 @@ describe OStatus::TagManager do
 
       it 'returns the unique tag for status' do
         expect(target.object_type).to eq :comment
-        is_expected.to eq target.uri
+        expect(subject).to eq target.uri
       end
     end
 
@@ -54,7 +54,7 @@ describe OStatus::TagManager do
 
       it 'returns the unique tag for status' do
         expect(target.object_type).to eq :note
-        is_expected.to eq target.uri
+        expect(subject).to eq target.uri
       end
     end
 
@@ -63,7 +63,7 @@ describe OStatus::TagManager do
 
       it 'returns the URL for account' do
         expect(target.object_type).to eq :person
-        is_expected.to eq 'https://cb6e6126.ngrok.io/users/alice'
+        expect(subject).to eq 'https://cb6e6126.ngrok.io/users/alice'
       end
     end
   end
diff --git a/spec/lib/plain_text_formatter_spec.rb b/spec/lib/plain_text_formatter_spec.rb
index c3d0ee630..4a0519aaf 100644
--- a/spec/lib/plain_text_formatter_spec.rb
+++ b/spec/lib/plain_text_formatter_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe PlainTextFormatter do
@@ -8,7 +10,7 @@ RSpec.describe PlainTextFormatter do
       let(:status) { Fabricate(:status, text: '<p>a text by a nerd who uses an HTML tag in text</p>', uri: nil) }
 
       it 'returns the raw text' do
-        is_expected.to eq '<p>a text by a nerd who uses an HTML tag in text</p>'
+        expect(subject).to eq '<p>a text by a nerd who uses an HTML tag in text</p>'
       end
     end
 
@@ -17,7 +19,7 @@ RSpec.describe PlainTextFormatter do
       let(:status) { Fabricate(:status, account: remote_account, text: '<p>Hello</p><script>alert("Hello")</script>') }
 
       it 'returns tag-stripped text' do
-        is_expected.to eq 'Hello'
+        expect(subject).to eq 'Hello'
       end
     end
   end
diff --git a/spec/lib/request_pool_spec.rb b/spec/lib/request_pool_spec.rb
index 4a144d7c7..63dc9c5dd 100644
--- a/spec/lib/request_pool_spec.rb
+++ b/spec/lib/request_pool_spec.rb
@@ -33,7 +33,7 @@ describe RequestPool do
 
       subject
 
-      threads = 20.times.map do |i|
+      threads = 20.times.map do |_i|
         Thread.new do
           20.times do
             subject.with('http://example.com') do |http_client|
diff --git a/spec/lib/request_spec.rb b/spec/lib/request_spec.rb
index e555a8b5a..25fe9ed37 100644
--- a/spec/lib/request_spec.rb
+++ b/spec/lib/request_spec.rb
@@ -97,12 +97,12 @@ describe Request do
   describe "response's body_with_limit method" do
     it 'rejects body more than 1 megabyte by default' do
       stub_request(:any, 'http://example.com').to_return(body: SecureRandom.random_bytes(2.megabytes))
-      expect { subject.perform { |response| response.body_with_limit } }.to raise_error Mastodon::LengthValidationError
+      expect { subject.perform(&:body_with_limit) }.to raise_error Mastodon::LengthValidationError
     end
 
     it 'accepts body less than 1 megabyte by default' do
       stub_request(:any, 'http://example.com').to_return(body: SecureRandom.random_bytes(2.kilobytes))
-      expect { subject.perform { |response| response.body_with_limit } }.not_to raise_error
+      expect { subject.perform(&:body_with_limit) }.to_not raise_error
     end
 
     it 'rejects body by given size' do
@@ -112,12 +112,12 @@ describe Request do
 
     it 'rejects too large chunked body' do
       stub_request(:any, 'http://example.com').to_return(body: SecureRandom.random_bytes(2.megabytes), headers: { 'Transfer-Encoding' => 'chunked' })
-      expect { subject.perform { |response| response.body_with_limit } }.to raise_error Mastodon::LengthValidationError
+      expect { subject.perform(&:body_with_limit) }.to raise_error Mastodon::LengthValidationError
     end
 
     it 'rejects too large monolithic body' do
       stub_request(:any, 'http://example.com').to_return(body: SecureRandom.random_bytes(2.megabytes), headers: { 'Content-Length' => 2.megabytes })
-      expect { subject.perform { |response| response.body_with_limit } }.to raise_error Mastodon::LengthValidationError
+      expect { subject.perform(&:body_with_limit) }.to raise_error Mastodon::LengthValidationError
     end
 
     it 'truncates large monolithic body' do
diff --git a/spec/lib/status_filter_spec.rb b/spec/lib/status_filter_spec.rb
index 287fe00de..08519bc59 100644
--- a/spec/lib/status_filter_spec.rb
+++ b/spec/lib/status_filter_spec.rb
@@ -10,7 +10,7 @@ describe StatusFilter do
       subject { described_class.new(status, nil) }
 
       context 'when there are no connections' do
-        it { is_expected.not_to be_filtered }
+        it { is_expected.to_not be_filtered }
       end
 
       context 'when status account is silenced' do
@@ -31,12 +31,12 @@ describe StatusFilter do
     end
 
     context 'with real account' do
-      let(:account) { Fabricate(:account) }
-
       subject { described_class.new(status, account) }
 
+      let(:account) { Fabricate(:account) }
+
       context 'when there are no connections' do
-        it { is_expected.not_to be_filtered }
+        it { is_expected.to_not be_filtered }
       end
 
       context 'when status account is blocked' do
diff --git a/spec/lib/status_reach_finder_spec.rb b/spec/lib/status_reach_finder_spec.rb
index f0c22b165..785ce28a0 100644
--- a/spec/lib/status_reach_finder_spec.rb
+++ b/spec/lib/status_reach_finder_spec.rb
@@ -5,13 +5,13 @@ require 'rails_helper'
 describe StatusReachFinder do
   describe '#inboxes' do
     context 'for a local status' do
+      subject { described_class.new(status) }
+
       let(:parent_status) { nil }
       let(:visibility) { :public }
       let(:alice) { Fabricate(:account, username: 'alice') }
       let(:status) { Fabricate(:status, account: alice, thread: parent_status, visibility: visibility) }
 
-      subject { described_class.new(status) }
-
       context 'when it contains mentions of remote accounts' do
         let(:bob) { Fabricate(:account, username: 'bob', domain: 'foo.bar', protocol: :activitypub, inbox_url: 'https://foo.bar/inbox') }
 
diff --git a/spec/lib/suspicious_sign_in_detector_spec.rb b/spec/lib/suspicious_sign_in_detector_spec.rb
index 101a18aa0..c61b1ef1e 100644
--- a/spec/lib/suspicious_sign_in_detector_spec.rb
+++ b/spec/lib/suspicious_sign_in_detector_spec.rb
@@ -1,13 +1,15 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe SuspiciousSignInDetector do
   describe '#suspicious?' do
+    subject { described_class.new(user).suspicious?(request) }
+
     let(:user) { Fabricate(:user, current_sign_in_at: 1.day.ago) }
     let(:request) { double(remote_ip: remote_ip) }
     let(:remote_ip) { nil }
 
-    subject { described_class.new(user).suspicious?(request) }
-
     context 'when user has 2FA enabled' do
       before do
         user.update!(otp_required_for_login: true)
diff --git a/spec/lib/tag_manager_spec.rb b/spec/lib/tag_manager_spec.rb
index cd9fb936c..8de290541 100644
--- a/spec/lib/tag_manager_spec.rb
+++ b/spec/lib/tag_manager_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe TagManager do
@@ -14,15 +16,15 @@ RSpec.describe TagManager do
     end
 
     it 'returns true for nil' do
-      expect(TagManager.instance.local_domain?(nil)).to eq true
+      expect(TagManager.instance.local_domain?(nil)).to be true
     end
 
     it 'returns true if the slash-stripped string equals to local domain' do
-      expect(TagManager.instance.local_domain?('DoMaIn.Example.com/')).to eq true
+      expect(TagManager.instance.local_domain?('DoMaIn.Example.com/')).to be true
     end
 
     it 'returns false for irrelevant string' do
-      expect(TagManager.instance.local_domain?('DoMaIn.Example.com!')).to eq false
+      expect(TagManager.instance.local_domain?('DoMaIn.Example.com!')).to be false
     end
   end
 
@@ -39,21 +41,21 @@ RSpec.describe TagManager do
     end
 
     it 'returns true for nil' do
-      expect(TagManager.instance.web_domain?(nil)).to eq true
+      expect(TagManager.instance.web_domain?(nil)).to be true
     end
 
     it 'returns true if the slash-stripped string equals to web domain' do
-      expect(TagManager.instance.web_domain?('DoMaIn.Example.com/')).to eq true
+      expect(TagManager.instance.web_domain?('DoMaIn.Example.com/')).to be true
     end
 
     it 'returns false for string with irrelevant characters' do
-      expect(TagManager.instance.web_domain?('DoMaIn.Example.com!')).to eq false
+      expect(TagManager.instance.web_domain?('DoMaIn.Example.com!')).to be false
     end
   end
 
   describe '#normalize_domain' do
     it 'returns nil if the given parameter is nil' do
-      expect(TagManager.instance.normalize_domain(nil)).to eq nil
+      expect(TagManager.instance.normalize_domain(nil)).to be_nil
     end
 
     it 'returns normalized domain' do
@@ -70,17 +72,17 @@ RSpec.describe TagManager do
 
     it 'returns true if the normalized string with port is local URL' do
       Rails.configuration.x.web_domain = 'domain.example.com:42'
-      expect(TagManager.instance.local_url?('https://DoMaIn.Example.com:42/')).to eq true
+      expect(TagManager.instance.local_url?('https://DoMaIn.Example.com:42/')).to be true
     end
 
     it 'returns true if the normalized string without port is local URL' do
       Rails.configuration.x.web_domain = 'domain.example.com'
-      expect(TagManager.instance.local_url?('https://DoMaIn.Example.com/')).to eq true
+      expect(TagManager.instance.local_url?('https://DoMaIn.Example.com/')).to be true
     end
 
     it 'returns false for string with irrelevant characters' do
       Rails.configuration.x.web_domain = 'domain.example.com'
-      expect(TagManager.instance.local_url?('https://domain.example.net/')).to eq false
+      expect(TagManager.instance.local_url?('https://domain.example.net/')).to be false
     end
   end
 end
diff --git a/spec/lib/text_formatter_spec.rb b/spec/lib/text_formatter_spec.rb
index d4a3a6b59..3417b450c 100644
--- a/spec/lib/text_formatter_spec.rb
+++ b/spec/lib/text_formatter_spec.rb
@@ -1,16 +1,18 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe TextFormatter do
   describe '#to_s' do
-    let(:preloaded_accounts) { nil }
-
     subject { described_class.new(text, preloaded_accounts: preloaded_accounts).to_s }
 
+    let(:preloaded_accounts) { nil }
+
     context 'given text containing plain text' do
       let(:text) { 'text' }
 
       it 'paragraphizes the text' do
-        is_expected.to eq '<p>text</p>'
+        expect(subject).to eq '<p>text</p>'
       end
     end
 
@@ -18,7 +20,7 @@ RSpec.describe TextFormatter do
       let(:text) { "line\nfeed" }
 
       it 'removes line feeds' do
-        is_expected.not_to include "\n"
+        expect(subject).to_not include "\n"
       end
     end
 
@@ -27,7 +29,7 @@ RSpec.describe TextFormatter do
       let(:text) { '@alice' }
 
       it 'creates a mention link' do
-        is_expected.to include '<a href="https://cb6e6126.ngrok.io/@alice" class="u-url mention">@<span>alice</span></a></span>'
+        expect(subject).to include '<a href="https://cb6e6126.ngrok.io/@alice" class="u-url mention">@<span>alice</span></a></span>'
       end
     end
 
@@ -36,7 +38,7 @@ RSpec.describe TextFormatter do
       let(:text) { '@alice' }
 
       it 'does not create a mention link' do
-        is_expected.to include '@alice'
+        expect(subject).to include '@alice'
       end
     end
 
@@ -44,7 +46,7 @@ RSpec.describe TextFormatter do
       let(:text) { 'https://hackernoon.com/the-power-to-build-communities-a-response-to-mark-zuckerberg-3f2cac9148a4' }
 
       it 'matches the full URL' do
-        is_expected.to include 'href="https://hackernoon.com/the-power-to-build-communities-a-response-to-mark-zuckerberg-3f2cac9148a4"'
+        expect(subject).to include 'href="https://hackernoon.com/the-power-to-build-communities-a-response-to-mark-zuckerberg-3f2cac9148a4"'
       end
     end
 
@@ -52,7 +54,7 @@ RSpec.describe TextFormatter do
       let(:text) { 'http://google.com' }
 
       it 'matches the full URL' do
-        is_expected.to include 'href="http://google.com"'
+        expect(subject).to include 'href="http://google.com"'
       end
     end
 
@@ -60,7 +62,7 @@ RSpec.describe TextFormatter do
       let(:text) { 'http://example.gay' }
 
       it 'matches the full URL' do
-        is_expected.to include 'href="http://example.gay"'
+        expect(subject).to include 'href="http://example.gay"'
       end
     end
 
@@ -68,11 +70,11 @@ RSpec.describe TextFormatter do
       let(:text) { 'https://nic.みんな/' }
 
       it 'matches the full URL' do
-        is_expected.to include 'href="https://nic.みんな/"'
+        expect(subject).to include 'href="https://nic.みんな/"'
       end
 
       it 'has display URL' do
-        is_expected.to include '<span class="">nic.みんな/</span>'
+        expect(subject).to include '<span class="">nic.みんな/</span>'
       end
     end
 
@@ -80,7 +82,7 @@ RSpec.describe TextFormatter do
       let(:text) { 'http://www.mcmansionhell.com/post/156408871451/50-states-of-mcmansion-hell-scottsdale-arizona. ' }
 
       it 'matches the full URL but not the period' do
-        is_expected.to include 'href="http://www.mcmansionhell.com/post/156408871451/50-states-of-mcmansion-hell-scottsdale-arizona"'
+        expect(subject).to include 'href="http://www.mcmansionhell.com/post/156408871451/50-states-of-mcmansion-hell-scottsdale-arizona"'
       end
     end
 
@@ -88,7 +90,7 @@ RSpec.describe TextFormatter do
       let(:text) { '(http://google.com/)' }
 
       it 'matches the full URL but not the parentheses' do
-        is_expected.to include 'href="http://google.com/"'
+        expect(subject).to include 'href="http://google.com/"'
       end
     end
 
@@ -96,7 +98,7 @@ RSpec.describe TextFormatter do
       let(:text) { 'http://www.google.com!' }
 
       it 'matches the full URL but not the exclamation point' do
-        is_expected.to include 'href="http://www.google.com"'
+        expect(subject).to include 'href="http://www.google.com"'
       end
     end
 
@@ -104,7 +106,7 @@ RSpec.describe TextFormatter do
       let(:text) { "http://www.google.com'" }
 
       it 'matches the full URL but not the single quote' do
-        is_expected.to include 'href="http://www.google.com"'
+        expect(subject).to include 'href="http://www.google.com"'
       end
     end
 
@@ -112,7 +114,7 @@ RSpec.describe TextFormatter do
       let(:text) { 'http://www.google.com>' }
 
       it 'matches the full URL but not the angle bracket' do
-        is_expected.to include 'href="http://www.google.com"'
+        expect(subject).to include 'href="http://www.google.com"'
       end
     end
 
@@ -121,7 +123,7 @@ RSpec.describe TextFormatter do
         let(:text) { 'https://www.ruby-toolbox.com/search?utf8=%E2%9C%93&q=autolink' }
 
         it 'matches the full URL' do
-          is_expected.to include 'href="https://www.ruby-toolbox.com/search?utf8=%E2%9C%93&amp;q=autolink"'
+          expect(subject).to include 'href="https://www.ruby-toolbox.com/search?utf8=%E2%9C%93&amp;q=autolink"'
         end
       end
 
@@ -129,7 +131,7 @@ RSpec.describe TextFormatter do
         let(:text) { 'https://www.ruby-toolbox.com/search?utf8=✓&q=autolink' }
 
         it 'matches the full URL' do
-          is_expected.to include 'href="https://www.ruby-toolbox.com/search?utf8=✓&amp;q=autolink"'
+          expect(subject).to include 'href="https://www.ruby-toolbox.com/search?utf8=✓&amp;q=autolink"'
         end
       end
 
@@ -137,7 +139,7 @@ RSpec.describe TextFormatter do
         let(:text) { 'https://www.ruby-toolbox.com/search?utf8=✓' }
 
         it 'matches the full URL' do
-          is_expected.to include 'href="https://www.ruby-toolbox.com/search?utf8=✓"'
+          expect(subject).to include 'href="https://www.ruby-toolbox.com/search?utf8=✓"'
         end
       end
 
@@ -145,7 +147,7 @@ RSpec.describe TextFormatter do
         let(:text) { 'https://www.ruby-toolbox.com/search?utf8=%E2%9C%93&utf81=✓&q=autolink' }
 
         it 'preserves escaped unicode characters' do
-          is_expected.to include 'href="https://www.ruby-toolbox.com/search?utf8=%E2%9C%93&amp;utf81=✓&amp;q=autolink"'
+          expect(subject).to include 'href="https://www.ruby-toolbox.com/search?utf8=%E2%9C%93&amp;utf81=✓&amp;q=autolink"'
         end
       end
     end
@@ -154,7 +156,7 @@ RSpec.describe TextFormatter do
       let(:text) { 'https://en.wikipedia.org/wiki/Diaspora_(software)' }
 
       it 'matches the full URL' do
-        is_expected.to include 'href="https://en.wikipedia.org/wiki/Diaspora_(software)"'
+        expect(subject).to include 'href="https://en.wikipedia.org/wiki/Diaspora_(software)"'
       end
     end
 
@@ -162,7 +164,7 @@ RSpec.describe TextFormatter do
       let(:text) { '"https://example.com/"' }
 
       it 'does not match the quotation marks' do
-        is_expected.to include 'href="https://example.com/"'
+        expect(subject).to include 'href="https://example.com/"'
       end
     end
 
@@ -170,7 +172,7 @@ RSpec.describe TextFormatter do
       let(:text) { '<https://example.com/>' }
 
       it 'does not match the angle brackets' do
-        is_expected.to include 'href="https://example.com/"'
+        expect(subject).to include 'href="https://example.com/"'
       end
     end
 
@@ -178,7 +180,7 @@ RSpec.describe TextFormatter do
       let(:text) { 'https://ja.wikipedia.org/wiki/日本' }
 
       it 'matches the full URL' do
-        is_expected.to include 'href="https://ja.wikipedia.org/wiki/日本"'
+        expect(subject).to include 'href="https://ja.wikipedia.org/wiki/日本"'
       end
     end
 
@@ -186,7 +188,7 @@ RSpec.describe TextFormatter do
       let(:text) { 'https://ko.wikipedia.org/wiki/대한민국' }
 
       it 'matches the full URL' do
-        is_expected.to include 'href="https://ko.wikipedia.org/wiki/대한민국"'
+        expect(subject).to include 'href="https://ko.wikipedia.org/wiki/대한민국"'
       end
     end
 
@@ -194,7 +196,7 @@ RSpec.describe TextFormatter do
       let(:text) { 'https://example.com/　abc123' }
 
       it 'does not match the full-width space' do
-        is_expected.to include 'href="https://example.com/"'
+        expect(subject).to include 'href="https://example.com/"'
       end
     end
 
@@ -202,7 +204,7 @@ RSpec.describe TextFormatter do
       let(:text) { '「[https://example.org/」' }
 
       it 'does not match the quotation marks' do
-        is_expected.to include 'href="https://example.org/"'
+        expect(subject).to include 'href="https://example.org/"'
       end
     end
 
@@ -210,7 +212,7 @@ RSpec.describe TextFormatter do
       let(:text) { 'https://baike.baidu.com/item/中华人民共和国' }
 
       it 'matches the full URL' do
-        is_expected.to include 'href="https://baike.baidu.com/item/中华人民共和国"'
+        expect(subject).to include 'href="https://baike.baidu.com/item/中华人民共和国"'
       end
     end
 
@@ -218,7 +220,7 @@ RSpec.describe TextFormatter do
       let(:text) { 'https://zh.wikipedia.org/wiki/臺灣' }
 
       it 'matches the full URL' do
-        is_expected.to include 'href="https://zh.wikipedia.org/wiki/臺灣"'
+        expect(subject).to include 'href="https://zh.wikipedia.org/wiki/臺灣"'
       end
     end
 
@@ -226,11 +228,11 @@ RSpec.describe TextFormatter do
       let(:text) { 'http://example.com/b<del>b</del>' }
 
       it 'does not include the HTML in the URL' do
-        is_expected.to include '"http://example.com/b"'
+        expect(subject).to include '"http://example.com/b"'
       end
 
       it 'escapes the HTML' do
-        is_expected.to include '&lt;del&gt;b&lt;/del&gt;'
+        expect(subject).to include '&lt;del&gt;b&lt;/del&gt;'
       end
     end
 
@@ -238,11 +240,11 @@ RSpec.describe TextFormatter do
       let(:text) { 'http://example.com/blahblahblahblah/a<script>alert("Hello")</script>' }
 
       it 'does not include the HTML in the URL' do
-        is_expected.to include '"http://example.com/blahblahblahblah/a"'
+        expect(subject).to include '"http://example.com/blahblahblahblah/a"'
       end
 
       it 'escapes the HTML' do
-        is_expected.to include '&lt;script&gt;alert(&quot;Hello&quot;)&lt;/script&gt;'
+        expect(subject).to include '&lt;script&gt;alert(&quot;Hello&quot;)&lt;/script&gt;'
       end
     end
 
@@ -250,7 +252,7 @@ RSpec.describe TextFormatter do
       let(:text) { '<script>alert("Hello")</script>' }
 
       it 'escapes the HTML' do
-        is_expected.to include '<p>&lt;script&gt;alert(&quot;Hello&quot;)&lt;/script&gt;</p>'
+        expect(subject).to include '<p>&lt;script&gt;alert(&quot;Hello&quot;)&lt;/script&gt;</p>'
       end
     end
 
@@ -258,7 +260,7 @@ RSpec.describe TextFormatter do
       let(:text) { %q{<img src="javascript:alert('XSS');">} }
 
       it 'escapes the HTML' do
-        is_expected.to include '<p>&lt;img src=&quot;javascript:alert(&#39;XSS&#39;);&quot;&gt;</p>'
+        expect(subject).to include '<p>&lt;img src=&quot;javascript:alert(&#39;XSS&#39;);&quot;&gt;</p>'
       end
     end
 
@@ -266,7 +268,7 @@ RSpec.describe TextFormatter do
       let(:text) { 'http://www\.google\.com' }
 
       it 'outputs the raw URL' do
-        is_expected.to eq '<p>http://www\.google\.com</p>'
+        expect(subject).to eq '<p>http://www\.google\.com</p>'
       end
     end
 
@@ -274,7 +276,7 @@ RSpec.describe TextFormatter do
       let(:text)  { '#hashtag' }
 
       it 'creates a hashtag link' do
-        is_expected.to include '/tags/hashtag" class="mention hashtag" rel="tag">#<span>hashtag</span></a>'
+        expect(subject).to include '/tags/hashtag" class="mention hashtag" rel="tag">#<span>hashtag</span></a>'
       end
     end
 
@@ -282,7 +284,7 @@ RSpec.describe TextFormatter do
       let(:text)  { '#hashtagタグ' }
 
       it 'creates a hashtag link' do
-        is_expected.to include '/tags/hashtag%E3%82%BF%E3%82%B0" class="mention hashtag" rel="tag">#<span>hashtagタグ</span></a>'
+        expect(subject).to include '/tags/hashtag%E3%82%BF%E3%82%B0" class="mention hashtag" rel="tag">#<span>hashtagタグ</span></a>'
       end
     end
 
@@ -290,7 +292,7 @@ RSpec.describe TextFormatter do
       let(:text) { 'xmpp:user@instance.com' }
 
       it 'matches the full URI' do
-        is_expected.to include 'href="xmpp:user@instance.com"'
+        expect(subject).to include 'href="xmpp:user@instance.com"'
       end
     end
 
@@ -298,7 +300,7 @@ RSpec.describe TextFormatter do
       let(:text) { 'please join xmpp:muc@instance.com?join right now' }
 
       it 'matches the full URI' do
-        is_expected.to include 'href="xmpp:muc@instance.com?join"'
+        expect(subject).to include 'href="xmpp:muc@instance.com?join"'
       end
     end
 
@@ -306,7 +308,7 @@ RSpec.describe TextFormatter do
       let(:text) { 'wikipedia gives this example of a magnet uri: magnet:?xt=urn:btih:c12fe1c06bba254a9dc9f519b335aa7c1367a88a' }
 
       it 'matches the full URI' do
-        is_expected.to include 'href="magnet:?xt=urn:btih:c12fe1c06bba254a9dc9f519b335aa7c1367a88a"'
+        expect(subject).to include 'href="magnet:?xt=urn:btih:c12fe1c06bba254a9dc9f519b335aa7c1367a88a"'
       end
     end
   end
diff --git a/spec/lib/user_settings_decorator_spec.rb b/spec/lib/user_settings_decorator_spec.rb
index 462c5b124..3b9b7ee2b 100644
--- a/spec/lib/user_settings_decorator_spec.rb
+++ b/spec/lib/user_settings_decorator_spec.rb
@@ -11,14 +11,14 @@ describe UserSettingsDecorator do
       values = { 'notification_emails' => { 'follow' => '1' } }
 
       settings.update(values)
-      expect(user.settings['notification_emails']['follow']).to eq true
+      expect(user.settings['notification_emails']['follow']).to be true
     end
 
     it 'updates the user settings value for interactions' do
       values = { 'interactions' => { 'must_be_follower' => '0' } }
 
       settings.update(values)
-      expect(user.settings['interactions']['must_be_follower']).to eq false
+      expect(user.settings['interactions']['must_be_follower']).to be false
     end
 
     it 'updates the user settings value for privacy' do
@@ -32,42 +32,42 @@ describe UserSettingsDecorator do
       values = { 'setting_default_sensitive' => '1' }
 
       settings.update(values)
-      expect(user.settings['default_sensitive']).to eq true
+      expect(user.settings['default_sensitive']).to be true
     end
 
     it 'updates the user settings value for unfollow modal' do
       values = { 'setting_unfollow_modal' => '0' }
 
       settings.update(values)
-      expect(user.settings['unfollow_modal']).to eq false
+      expect(user.settings['unfollow_modal']).to be false
     end
 
     it 'updates the user settings value for boost modal' do
       values = { 'setting_boost_modal' => '1' }
 
       settings.update(values)
-      expect(user.settings['boost_modal']).to eq true
+      expect(user.settings['boost_modal']).to be true
     end
 
     it 'updates the user settings value for delete toot modal' do
       values = { 'setting_delete_modal' => '0' }
 
       settings.update(values)
-      expect(user.settings['delete_modal']).to eq false
+      expect(user.settings['delete_modal']).to be false
     end
 
     it 'updates the user settings value for gif auto play' do
       values = { 'setting_auto_play_gif' => '0' }
 
       settings.update(values)
-      expect(user.settings['auto_play_gif']).to eq false
+      expect(user.settings['auto_play_gif']).to be false
     end
 
     it 'updates the user settings value for system font in UI' do
       values = { 'setting_system_font_ui' => '0' }
 
       settings.update(values)
-      expect(user.settings['system_font_ui']).to eq false
+      expect(user.settings['system_font_ui']).to be false
     end
 
     it 'decoerces setting values before applying' do
@@ -77,8 +77,8 @@ describe UserSettingsDecorator do
       }
 
       settings.update(values)
-      expect(user.settings['delete_modal']).to eq false
-      expect(user.settings['boost_modal']).to eq true
+      expect(user.settings['delete_modal']).to be false
+      expect(user.settings['boost_modal']).to be true
     end
   end
 end
diff --git a/spec/lib/vacuum/access_tokens_vacuum_spec.rb b/spec/lib/vacuum/access_tokens_vacuum_spec.rb
index 0244c3449..6b7234065 100644
--- a/spec/lib/vacuum/access_tokens_vacuum_spec.rb
+++ b/spec/lib/vacuum/access_tokens_vacuum_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe Vacuum::AccessTokensVacuum do
diff --git a/spec/lib/vacuum/backups_vacuum_spec.rb b/spec/lib/vacuum/backups_vacuum_spec.rb
index 4e2de083f..867dbe402 100644
--- a/spec/lib/vacuum/backups_vacuum_spec.rb
+++ b/spec/lib/vacuum/backups_vacuum_spec.rb
@@ -1,10 +1,12 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe Vacuum::BackupsVacuum do
-  let(:retention_period) { 7.days }
-
   subject { described_class.new(retention_period) }
 
+  let(:retention_period) { 7.days }
+
   describe '#perform' do
     let!(:expired_backup) { Fabricate(:backup, created_at: (retention_period + 1.day).ago) }
     let!(:current_backup) { Fabricate(:backup) }
diff --git a/spec/lib/vacuum/feeds_vacuum_spec.rb b/spec/lib/vacuum/feeds_vacuum_spec.rb
index 0aec26740..ede1e3c36 100644
--- a/spec/lib/vacuum/feeds_vacuum_spec.rb
+++ b/spec/lib/vacuum/feeds_vacuum_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe Vacuum::FeedsVacuum do
diff --git a/spec/lib/vacuum/media_attachments_vacuum_spec.rb b/spec/lib/vacuum/media_attachments_vacuum_spec.rb
index be8458d9b..3c17ecb00 100644
--- a/spec/lib/vacuum/media_attachments_vacuum_spec.rb
+++ b/spec/lib/vacuum/media_attachments_vacuum_spec.rb
@@ -1,10 +1,11 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe Vacuum::MediaAttachmentsVacuum do
-  let(:retention_period) { 7.days }
-
   subject { described_class.new(retention_period) }
 
+  let(:retention_period) { 7.days }
   let(:remote_status) { Fabricate(:status, account: Fabricate(:account, domain: 'example.com')) }
   let(:local_status) { Fabricate(:status) }
 
diff --git a/spec/lib/vacuum/preview_cards_vacuum_spec.rb b/spec/lib/vacuum/preview_cards_vacuum_spec.rb
index 275f9ba92..c1b7f7e9c 100644
--- a/spec/lib/vacuum/preview_cards_vacuum_spec.rb
+++ b/spec/lib/vacuum/preview_cards_vacuum_spec.rb
@@ -1,10 +1,12 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe Vacuum::PreviewCardsVacuum do
-  let(:retention_period) { 7.days }
-
   subject { described_class.new(retention_period) }
 
+  let(:retention_period) { 7.days }
+
   describe '#perform' do
     let!(:orphaned_preview_card) { Fabricate(:preview_card, created_at: 2.days.ago) }
     let!(:old_preview_card) { Fabricate(:preview_card, updated_at: (retention_period + 1.day).ago) }
diff --git a/spec/lib/vacuum/statuses_vacuum_spec.rb b/spec/lib/vacuum/statuses_vacuum_spec.rb
index 83f3c5c9f..d5c013950 100644
--- a/spec/lib/vacuum/statuses_vacuum_spec.rb
+++ b/spec/lib/vacuum/statuses_vacuum_spec.rb
@@ -1,12 +1,14 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe Vacuum::StatusesVacuum do
+  subject { described_class.new(retention_period) }
+
   let(:retention_period) { 7.days }
 
   let(:remote_account) { Fabricate(:account, domain: 'example.com') }
 
-  subject { described_class.new(retention_period) }
-
   describe '#perform' do
     let!(:remote_status_old) { Fabricate(:status, account: remote_account, created_at: (retention_period + 2.days).ago) }
     let!(:remote_status_recent) { Fabricate(:status, account: remote_account, created_at: (retention_period - 2.days).ago) }
diff --git a/spec/lib/vacuum/system_keys_vacuum_spec.rb b/spec/lib/vacuum/system_keys_vacuum_spec.rb
index 565892f02..84cae3041 100644
--- a/spec/lib/vacuum/system_keys_vacuum_spec.rb
+++ b/spec/lib/vacuum/system_keys_vacuum_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe Vacuum::SystemKeysVacuum do
diff --git a/spec/lib/webfinger_resource_spec.rb b/spec/lib/webfinger_resource_spec.rb
index ee007da70..8ec6dd205 100644
--- a/spec/lib/webfinger_resource_spec.rb
+++ b/spec/lib/webfinger_resource_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 describe WebfingerResource do
diff --git a/spec/mailers/notification_mailer_spec.rb b/spec/mailers/notification_mailer_spec.rb
index 6746871a3..a6db08d85 100644
--- a/spec/mailers/notification_mailer_spec.rb
+++ b/spec/mailers/notification_mailer_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe NotificationMailer, type: :mailer do
diff --git a/spec/mailers/previews/admin_mailer_preview.rb b/spec/mailers/previews/admin_mailer_preview.rb
index 0ec9e9882..9572768cd 100644
--- a/spec/mailers/previews/admin_mailer_preview.rb
+++ b/spec/mailers/previews/admin_mailer_preview.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 # Preview all emails at http://localhost:3000/rails/mailers/admin_mailer
 
 class AdminMailerPreview < ActionMailer::Preview
diff --git a/spec/mailers/previews/notification_mailer_preview.rb b/spec/mailers/previews/notification_mailer_preview.rb
index e31445c36..bc41662a1 100644
--- a/spec/mailers/previews/notification_mailer_preview.rb
+++ b/spec/mailers/previews/notification_mailer_preview.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 # Preview all emails at http://localhost:3000/rails/mailers/notification_mailer
 
 class NotificationMailerPreview < ActionMailer::Preview
diff --git a/spec/mailers/previews/user_mailer_preview.rb b/spec/mailers/previews/user_mailer_preview.rb
index 95712e6cf..098c9cd90 100644
--- a/spec/mailers/previews/user_mailer_preview.rb
+++ b/spec/mailers/previews/user_mailer_preview.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 # Preview all emails at http://localhost:3000/rails/mailers/user_mailer
 
 class UserMailerPreview < ActionMailer::Preview
diff --git a/spec/models/account/field_spec.rb b/spec/models/account/field_spec.rb
index 40bbee025..6745fbb26 100644
--- a/spec/models/account/field_spec.rb
+++ b/spec/models/account/field_spec.rb
@@ -1,11 +1,13 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe Account::Field, type: :model do
   describe '#verified?' do
-    let(:account) { double('Account', local?: true) }
-
     subject { described_class.new(account, 'name' => 'Foo', 'value' => 'Bar', 'verified_at' => verified_at) }
 
+    let(:account) { double('Account', local?: true) }
+
     context 'when verified_at is set' do
       let(:verified_at) { Time.now.utc.iso8601 }
 
@@ -24,11 +26,11 @@ RSpec.describe Account::Field, type: :model do
   end
 
   describe '#mark_verified!' do
+    subject { described_class.new(account, original_hash) }
+
     let(:account) { double('Account', local?: true) }
     let(:original_hash) { { 'name' => 'Foo', 'value' => 'Bar' } }
 
-    subject { described_class.new(account, original_hash) }
-
     before do
       subject.mark_verified!
     end
@@ -43,10 +45,10 @@ RSpec.describe Account::Field, type: :model do
   end
 
   describe '#verifiable?' do
-    let(:account) { double('Account', local?: local) }
-
     subject { described_class.new(account, 'name' => 'Foo', 'value' => value) }
 
+    let(:account) { double('Account', local?: local) }
+
     context 'for local accounts' do
       let(:local) { true }
 
diff --git a/spec/models/account_alias_spec.rb b/spec/models/account_alias_spec.rb
index c48b804b2..08c3eaff4 100644
--- a/spec/models/account_alias_spec.rb
+++ b/spec/models/account_alias_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe AccountAlias, type: :model do
diff --git a/spec/models/account_conversation_spec.rb b/spec/models/account_conversation_spec.rb
index 70a76281e..c4e8918ad 100644
--- a/spec/models/account_conversation_spec.rb
+++ b/spec/models/account_conversation_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe AccountConversation, type: :model do
diff --git a/spec/models/account_deletion_request_spec.rb b/spec/models/account_deletion_request_spec.rb
index afaecbe22..db332f14c 100644
--- a/spec/models/account_deletion_request_spec.rb
+++ b/spec/models/account_deletion_request_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe AccountDeletionRequest, type: :model do
diff --git a/spec/models/account_domain_block_spec.rb b/spec/models/account_domain_block_spec.rb
index 469bc05cb..bc46f44ba 100644
--- a/spec/models/account_domain_block_spec.rb
+++ b/spec/models/account_domain_block_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe AccountDomainBlock, type: :model do
@@ -7,7 +9,7 @@ RSpec.describe AccountDomainBlock, type: :model do
 
     AccountDomainBlock.create!(account: account, domain: 'a.domain.blocked.later')
 
-    expect(Rails.cache.exist?("exclude_domains_for:#{account.id}")).to eq false
+    expect(Rails.cache.exist?("exclude_domains_for:#{account.id}")).to be false
   end
 
   it 'removes blocking cache after destruction' do
@@ -17,6 +19,6 @@ RSpec.describe AccountDomainBlock, type: :model do
 
     block.destroy!
 
-    expect(Rails.cache.exist?("exclude_domains_for:#{account.id}")).to eq false
+    expect(Rails.cache.exist?("exclude_domains_for:#{account.id}")).to be false
   end
 end
diff --git a/spec/models/account_filter_spec.rb b/spec/models/account_filter_spec.rb
index c2bd8c220..853d20a0c 100644
--- a/spec/models/account_filter_spec.rb
+++ b/spec/models/account_filter_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 describe AccountFilter do
diff --git a/spec/models/account_migration_spec.rb b/spec/models/account_migration_spec.rb
index 5f66fe8da..a91ba5dc5 100644
--- a/spec/models/account_migration_spec.rb
+++ b/spec/models/account_migration_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe AccountMigration, type: :model do
diff --git a/spec/models/account_moderation_note_spec.rb b/spec/models/account_moderation_note_spec.rb
index 69bd5500a..b7f5701e6 100644
--- a/spec/models/account_moderation_note_spec.rb
+++ b/spec/models/account_moderation_note_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe AccountModerationNote, type: :model do
diff --git a/spec/models/account_spec.rb b/spec/models/account_spec.rb
index 763835618..1e5a80963 100644
--- a/spec/models/account_spec.rb
+++ b/spec/models/account_spec.rb
@@ -1,11 +1,13 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe Account, type: :model do
   context do
-    let(:bob) { Fabricate(:account, username: 'bob') }
-
     subject { Fabricate(:account) }
 
+    let(:bob) { Fabricate(:account, username: 'bob') }
+
     describe '#suspend!' do
       it 'marks the account as suspended' do
         subject.suspend!
@@ -31,7 +33,7 @@ RSpec.describe Account, type: :model do
           end
 
           it 'does not raise an error' do
-            expect { subject.suspend! }.not_to raise_error
+            expect { subject.suspend! }.to_not raise_error
           end
         end
       end
@@ -87,14 +89,14 @@ RSpec.describe Account, type: :model do
   end
 
   describe 'Local domain user methods' do
+    subject { Fabricate(:account, domain: nil, username: 'alice') }
+
     around do |example|
       before = Rails.configuration.x.local_domain
       example.run
       Rails.configuration.x.local_domain = before
     end
 
-    subject { Fabricate(:account, domain: nil, username: 'alice') }
-
     describe '#to_webfinger_s' do
       it 'returns a webfinger string for the account' do
         Rails.configuration.x.local_domain = 'example.com'
@@ -160,7 +162,7 @@ RSpec.describe Account, type: :model do
       it 'sets default avatar, header, avatar_remote_url, and header_remote_url' do
         expect(account.avatar_remote_url).to eq 'https://remote.test/invalid_avatar'
         expect(account.header_remote_url).to eq expectation.header_remote_url
-        expect(account.avatar_file_name).to  eq nil
+        expect(account.avatar_file_name).to  be_nil
         expect(account.header_file_name).to  eq expectation.header_file_name
       end
     end
@@ -206,7 +208,7 @@ RSpec.describe Account, type: :model do
       end
 
       it 'calls not ResolveAccountService#call' do
-        expect_any_instance_of(ResolveAccountService).not_to receive(:call).with(acct)
+        expect_any_instance_of(ResolveAccountService).to_not receive(:call).with(acct)
         account.refresh!
       end
     end
@@ -243,13 +245,13 @@ RSpec.describe Account, type: :model do
   end
 
   describe '#favourited?' do
+    subject { Fabricate(:account) }
+
     let(:original_status) do
       author = Fabricate(:account, username: 'original')
       Fabricate(:status, account: author)
     end
 
-    subject { Fabricate(:account) }
-
     context 'when the status is a reblog of another status' do
       let(:original_reblog) do
         author = Fabricate(:account, username: 'original_reblogger')
@@ -259,11 +261,11 @@ RSpec.describe Account, type: :model do
       it 'is true when this account has favourited it' do
         Fabricate(:favourite, status: original_reblog, account: subject)
 
-        expect(subject.favourited?(original_status)).to eq true
+        expect(subject.favourited?(original_status)).to be true
       end
 
       it 'is false when this account has not favourited it' do
-        expect(subject.favourited?(original_status)).to eq false
+        expect(subject.favourited?(original_status)).to be false
       end
     end
 
@@ -271,23 +273,23 @@ RSpec.describe Account, type: :model do
       it 'is true when this account has favourited it' do
         Fabricate(:favourite, status: original_status, account: subject)
 
-        expect(subject.favourited?(original_status)).to eq true
+        expect(subject.favourited?(original_status)).to be true
       end
 
       it 'is false when this account has not favourited it' do
-        expect(subject.favourited?(original_status)).to eq false
+        expect(subject.favourited?(original_status)).to be false
       end
     end
   end
 
   describe '#reblogged?' do
+    subject { Fabricate(:account) }
+
     let(:original_status) do
       author = Fabricate(:account, username: 'original')
       Fabricate(:status, account: author)
     end
 
-    subject { Fabricate(:account) }
-
     context 'when the status is a reblog of another status' do
       let(:original_reblog) do
         author = Fabricate(:account, username: 'original_reblogger')
@@ -297,11 +299,11 @@ RSpec.describe Account, type: :model do
       it 'is true when this account has reblogged it' do
         Fabricate(:status, reblog: original_reblog, account: subject)
 
-        expect(subject.reblogged?(original_reblog)).to eq true
+        expect(subject.reblogged?(original_reblog)).to be true
       end
 
       it 'is false when this account has not reblogged it' do
-        expect(subject.reblogged?(original_reblog)).to eq false
+        expect(subject.reblogged?(original_reblog)).to be false
       end
     end
 
@@ -309,11 +311,11 @@ RSpec.describe Account, type: :model do
       it 'is true when this account has reblogged it' do
         Fabricate(:status, reblog: original_status, account: subject)
 
-        expect(subject.reblogged?(original_status)).to eq true
+        expect(subject.reblogged?(original_status)).to be true
       end
 
       it 'is false when this account has not reblogged it' do
-        expect(subject.reblogged?(original_status)).to eq false
+        expect(subject.reblogged?(original_status)).to be false
       end
     end
   end
@@ -811,19 +813,19 @@ RSpec.describe Account, type: :model do
       it 'is valid even if the username is longer than 30 characters' do
         account = Fabricate.build(:account, domain: 'domain', username: Faker::Lorem.characters(number: 31))
         account.valid?
-        expect(account).not_to model_have_error_on_field(:username)
+        expect(account).to_not model_have_error_on_field(:username)
       end
 
       it 'is valid even if the display name is longer than 30 characters' do
         account = Fabricate.build(:account, domain: 'domain', display_name: Faker::Lorem.characters(number: 31))
         account.valid?
-        expect(account).not_to model_have_error_on_field(:display_name)
+        expect(account).to_not model_have_error_on_field(:display_name)
       end
 
       it 'is valid even if the note is longer than 500 characters' do
         account = Fabricate.build(:account, domain: 'domain', note: Faker::Lorem.characters(number: 501))
         account.valid?
-        expect(account).not_to model_have_error_on_field(:note)
+        expect(account).to_not model_have_error_on_field(:note)
       end
     end
   end
@@ -895,7 +897,7 @@ RSpec.describe Account, type: :model do
 
     describe 'partitioned' do
       it 'returns a relation of accounts partitioned by domain' do
-        matches = ['a', 'b', 'a', 'b']
+        matches = %w(a b a b)
         matches.size.times.to_a.shuffle.each do |index|
           matches[index] = Fabricate(:account, domain: matches[index])
         end
@@ -958,7 +960,7 @@ RSpec.describe Account, type: :model do
     # Test disabled because test environment omits autogenerating keys for performance
     xit 'generates keys' do
       account = Account.create!(domain: nil, username: Faker::Internet.user_name(separators: ['_']))
-      expect(account.keypair.private?).to eq true
+      expect(account.keypair.private?).to be true
     end
   end
 
diff --git a/spec/models/account_statuses_cleanup_policy_spec.rb b/spec/models/account_statuses_cleanup_policy_spec.rb
index d3c011b3a..1b7857547 100644
--- a/spec/models/account_statuses_cleanup_policy_spec.rb
+++ b/spec/models/account_statuses_cleanup_policy_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe AccountStatusesCleanupPolicy, type: :model do
@@ -132,11 +134,11 @@ RSpec.describe AccountStatusesCleanupPolicy, type: :model do
   end
 
   describe '#invalidate_last_inspected' do
+    subject { account_statuses_cleanup_policy.invalidate_last_inspected(status, action) }
+
     let(:account_statuses_cleanup_policy) { Fabricate(:account_statuses_cleanup_policy, account: account) }
     let(:status) { Fabricate(:status, id: 10, account: account) }
 
-    subject { account_statuses_cleanup_policy.invalidate_last_inspected(status, action) }
-
     before do
       account_statuses_cleanup_policy.record_last_inspected(42)
     end
@@ -231,11 +233,11 @@ RSpec.describe AccountStatusesCleanupPolicy, type: :model do
   end
 
   describe '#compute_cutoff_id' do
+    subject { account_statuses_cleanup_policy.compute_cutoff_id }
+
     let!(:unrelated_status) { Fabricate(:status, created_at: 3.years.ago) }
     let(:account_statuses_cleanup_policy) { Fabricate(:account_statuses_cleanup_policy, account: account) }
 
-    subject { account_statuses_cleanup_policy.compute_cutoff_id }
-
     context 'when the account has posted multiple toots' do
       let!(:very_old_status)   { Fabricate(:status, created_at: 3.years.ago, account: account) }
       let!(:old_status)        { Fabricate(:status, created_at: 3.weeks.ago, account: account) }
@@ -254,13 +256,15 @@ RSpec.describe AccountStatusesCleanupPolicy, type: :model do
   end
 
   describe '#statuses_to_delete' do
+    subject { account_statuses_cleanup_policy.statuses_to_delete }
+
     let!(:unrelated_status)  { Fabricate(:status, created_at: 3.years.ago) }
     let!(:very_old_status)   { Fabricate(:status, created_at: 3.years.ago, account: account) }
     let!(:pinned_status)     { Fabricate(:status, created_at: 1.year.ago, account: account) }
     let!(:direct_message)    { Fabricate(:status, created_at: 1.year.ago, account: account, visibility: :direct) }
     let!(:self_faved)        { Fabricate(:status, created_at: 1.year.ago, account: account) }
     let!(:self_bookmarked)   { Fabricate(:status, created_at: 1.year.ago, account: account) }
-    let!(:status_with_poll)  { Fabricate(:status, created_at: 1.year.ago, account: account, poll_attributes: { account: account, voters_count: 0, options: ['a', 'b'], expires_in: 2.days }) }
+    let!(:status_with_poll)  { Fabricate(:status, created_at: 1.year.ago, account: account, poll_attributes: { account: account, voters_count: 0, options: %w(a b), expires_in: 2.days }) }
     let!(:status_with_media) { Fabricate(:status, created_at: 1.year.ago, account: account) }
     let!(:faved4)            { Fabricate(:status, created_at: 1.year.ago, account: account) }
     let!(:faved5)            { Fabricate(:status, created_at: 1.year.ago, account: account) }
@@ -275,8 +279,6 @@ RSpec.describe AccountStatusesCleanupPolicy, type: :model do
 
     let(:account_statuses_cleanup_policy) { Fabricate(:account_statuses_cleanup_policy, account: account) }
 
-    subject { account_statuses_cleanup_policy.statuses_to_delete }
-
     before do
       4.times { faved4.increment_count!(:favourites_count) }
       5.times { faved5.increment_count!(:favourites_count) }
@@ -285,11 +287,11 @@ RSpec.describe AccountStatusesCleanupPolicy, type: :model do
     end
 
     context 'when passed a max_id' do
+      subject { account_statuses_cleanup_policy.statuses_to_delete(50, old_status.id).pluck(:id) }
+
       let!(:old_status)               { Fabricate(:status, created_at: 1.year.ago, account: account) }
       let!(:slightly_less_old_status) { Fabricate(:status, created_at: 6.months.ago, account: account) }
 
-      subject { account_statuses_cleanup_policy.statuses_to_delete(50, old_status.id).pluck(:id) }
-
       it 'returns statuses including max_id' do
         expect(subject).to include(old_status.id)
       end
@@ -304,11 +306,11 @@ RSpec.describe AccountStatusesCleanupPolicy, type: :model do
     end
 
     context 'when passed a min_id' do
+      subject { account_statuses_cleanup_policy.statuses_to_delete(50, recent_status.id, old_status.id).pluck(:id) }
+
       let!(:old_status)               { Fabricate(:status, created_at: 1.year.ago, account: account) }
       let!(:slightly_less_old_status) { Fabricate(:status, created_at: 6.months.ago, account: account) }
 
-      subject { account_statuses_cleanup_policy.statuses_to_delete(50, recent_status.id, old_status.id).pluck(:id) }
-
       it 'returns statuses including min_id' do
         expect(subject).to include(old_status.id)
       end
diff --git a/spec/models/account_statuses_filter_spec.rb b/spec/models/account_statuses_filter_spec.rb
index 03f0ffeb0..fa7664d92 100644
--- a/spec/models/account_statuses_filter_spec.rb
+++ b/spec/models/account_statuses_filter_spec.rb
@@ -3,12 +3,12 @@
 require 'rails_helper'
 
 RSpec.describe AccountStatusesFilter do
+  subject { described_class.new(account, current_account, params) }
+
   let(:account) { Fabricate(:account) }
   let(:current_account) { nil }
   let(:params) { {} }
 
-  subject { described_class.new(account, current_account, params) }
-
   def status!(visibility)
     Fabricate(:status, account: account, visibility: visibility)
   end
diff --git a/spec/models/admin/account_action_spec.rb b/spec/models/admin/account_action_spec.rb
index b6a052b76..9f41b7c8e 100644
--- a/spec/models/admin/account_action_spec.rb
+++ b/spec/models/admin/account_action_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe Admin::AccountAction, type: :model do
@@ -5,15 +7,16 @@ RSpec.describe Admin::AccountAction, type: :model do
 
   describe '#save!' do
     subject              { account_action.save! }
+
     let(:account)        { Fabricate(:user, role: UserRole.find_by(name: 'Admin')).account }
     let(:target_account) { Fabricate(:account) }
     let(:type)           { 'disable' }
 
     before do
       account_action.assign_attributes(
-        type:            type,
+        type: type,
         current_account: account,
-        target_account:  target_account
+        target_account: target_account
       )
     end
 
diff --git a/spec/models/announcement_mute_spec.rb b/spec/models/announcement_mute_spec.rb
index 9d0e4c903..f4a7a5dc9 100644
--- a/spec/models/announcement_mute_spec.rb
+++ b/spec/models/announcement_mute_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe AnnouncementMute, type: :model do
diff --git a/spec/models/announcement_reaction_spec.rb b/spec/models/announcement_reaction_spec.rb
index f6e151584..38095b015 100644
--- a/spec/models/announcement_reaction_spec.rb
+++ b/spec/models/announcement_reaction_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe AnnouncementReaction, type: :model do
diff --git a/spec/models/announcement_spec.rb b/spec/models/announcement_spec.rb
index 7f7b647a9..024fa2888 100644
--- a/spec/models/announcement_spec.rb
+++ b/spec/models/announcement_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe Announcement, type: :model do
diff --git a/spec/models/appeal_spec.rb b/spec/models/appeal_spec.rb
index 14062dc4f..6aa013aba 100644
--- a/spec/models/appeal_spec.rb
+++ b/spec/models/appeal_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe Appeal, type: :model do
diff --git a/spec/models/backup_spec.rb b/spec/models/backup_spec.rb
index 45230986d..239e7aef7 100644
--- a/spec/models/backup_spec.rb
+++ b/spec/models/backup_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe Backup, type: :model do
diff --git a/spec/models/block_spec.rb b/spec/models/block_spec.rb
index acbdc77f5..64c39fce6 100644
--- a/spec/models/block_spec.rb
+++ b/spec/models/block_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe Block, type: :model do
@@ -28,8 +30,8 @@ RSpec.describe Block, type: :model do
 
     Block.create!(account: account, target_account: target_account)
 
-    expect(Rails.cache.exist?("exclude_account_ids_for:#{account.id}")).to eq false
-    expect(Rails.cache.exist?("exclude_account_ids_for:#{target_account.id}")).to eq false
+    expect(Rails.cache.exist?("exclude_account_ids_for:#{account.id}")).to be false
+    expect(Rails.cache.exist?("exclude_account_ids_for:#{target_account.id}")).to be false
   end
 
   it 'removes blocking cache after destruction' do
@@ -41,7 +43,7 @@ RSpec.describe Block, type: :model do
 
     block.destroy!
 
-    expect(Rails.cache.exist?("exclude_account_ids_for:#{account.id}")).to eq false
-    expect(Rails.cache.exist?("exclude_account_ids_for:#{target_account.id}")).to eq false
+    expect(Rails.cache.exist?("exclude_account_ids_for:#{account.id}")).to be false
+    expect(Rails.cache.exist?("exclude_account_ids_for:#{target_account.id}")).to be false
   end
 end
diff --git a/spec/models/canonical_email_block_spec.rb b/spec/models/canonical_email_block_spec.rb
index 8e0050d65..2b3fd6d6a 100644
--- a/spec/models/canonical_email_block_spec.rb
+++ b/spec/models/canonical_email_block_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe CanonicalEmailBlock, type: :model do
diff --git a/spec/models/concerns/account_counters_spec.rb b/spec/models/concerns/account_counters_spec.rb
index 4350496e7..fb02d79f1 100644
--- a/spec/models/concerns/account_counters_spec.rb
+++ b/spec/models/concerns/account_counters_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 describe AccountCounters do
diff --git a/spec/models/concerns/account_interactions_spec.rb b/spec/models/concerns/account_interactions_spec.rb
index 1883ee8fc..863b025af 100644
--- a/spec/models/concerns/account_interactions_spec.rb
+++ b/spec/models/concerns/account_interactions_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 describe AccountInteractions do
@@ -14,7 +16,7 @@ describe AccountInteractions do
     context 'account with Follow' do
       it 'returns { target_account_id => { reblogs: true } }' do
         Fabricate(:follow, account: account, target_account: target_account)
-        is_expected.to eq(target_account_id => { reblogs: true, notify: false, languages: nil })
+        expect(subject).to eq(target_account_id => { reblogs: true, notify: false, languages: nil })
       end
     end
 
@@ -27,7 +29,7 @@ describe AccountInteractions do
 
     context 'account without Follow' do
       it 'returns {}' do
-        is_expected.to eq({})
+        expect(subject).to eq({})
       end
     end
   end
@@ -38,13 +40,13 @@ describe AccountInteractions do
     context 'account with Follow' do
       it 'returns { target_account_id => true }' do
         Fabricate(:follow, account: target_account, target_account: account)
-        is_expected.to eq(target_account_id => true)
+        expect(subject).to eq(target_account_id => true)
       end
     end
 
     context 'account without Follow' do
       it 'returns {}' do
-        is_expected.to eq({})
+        expect(subject).to eq({})
       end
     end
   end
@@ -55,13 +57,13 @@ describe AccountInteractions do
     context 'account with Block' do
       it 'returns { target_account_id => true }' do
         Fabricate(:block, account: account, target_account: target_account)
-        is_expected.to eq(target_account_id => true)
+        expect(subject).to eq(target_account_id => true)
       end
     end
 
     context 'account without Block' do
       it 'returns {}' do
-        is_expected.to eq({})
+        expect(subject).to eq({})
       end
     end
   end
@@ -78,7 +80,7 @@ describe AccountInteractions do
         let(:hide) { true }
 
         it 'returns { target_account_id => { notifications: true } }' do
-          is_expected.to eq(target_account_id => { notifications: true })
+          expect(subject).to eq(target_account_id => { notifications: true })
         end
       end
 
@@ -86,14 +88,14 @@ describe AccountInteractions do
         let(:hide) { false }
 
         it 'returns { target_account_id => { notifications: false } }' do
-          is_expected.to eq(target_account_id => { notifications: false })
+          expect(subject).to eq(target_account_id => { notifications: false })
         end
       end
     end
 
     context 'account without Mute' do
       it 'returns {}' do
-        is_expected.to eq({})
+        expect(subject).to eq({})
       end
     end
   end
@@ -156,8 +158,8 @@ describe AccountInteractions do
 
       let(:mute) do
         Fabricate(:mute,
-                  account:            account,
-                  target_account:     target_account,
+                  account: account,
+                  target_account: target_account,
                   hide_notifications: hide_notifications)
       end
 
@@ -170,7 +172,7 @@ describe AccountInteractions do
           it 'returns Mute without updating mute.hide_notifications' do
             expect do
               expect(subject).to be_a Mute
-            end.not_to change { mute.reload.hide_notifications? }.from(true)
+            end.to_not change { mute.reload.hide_notifications? }.from(true)
           end
         end
 
@@ -190,7 +192,7 @@ describe AccountInteractions do
           it 'returns Mute without updating mute.hide_notifications' do
             expect do
               expect(subject).to be_a Mute
-            end.not_to change { mute.reload.hide_notifications? }.from(true)
+            end.to_not change { mute.reload.hide_notifications? }.from(true)
           end
         end
       end
@@ -214,7 +216,7 @@ describe AccountInteractions do
           it 'returns Mute without updating mute.hide_notifications' do
             expect do
               expect(subject).to be_a Mute
-            end.not_to change { mute.reload.hide_notifications? }.from(false)
+            end.to_not change { mute.reload.hide_notifications? }.from(false)
           end
         end
 
@@ -232,25 +234,25 @@ describe AccountInteractions do
   end
 
   describe '#mute_conversation!' do
-    let(:conversation) { Fabricate(:conversation) }
-
     subject { account.mute_conversation!(conversation) }
 
+    let(:conversation) { Fabricate(:conversation) }
+
     it 'creates and returns ConversationMute' do
       expect do
-        is_expected.to be_a ConversationMute
+        expect(subject).to be_a ConversationMute
       end.to change { account.conversation_mutes.count }.by 1
     end
   end
 
   describe '#block_domain!' do
-    let(:domain) { 'example.com' }
-
     subject { account.block_domain!(domain) }
 
+    let(:domain) { 'example.com' }
+
     it 'creates and returns AccountDomainBlock' do
       expect do
-        is_expected.to be_a AccountDomainBlock
+        expect(subject).to be_a AccountDomainBlock
       end.to change { account.domain_blocks.count }.by 1
     end
   end
@@ -261,14 +263,14 @@ describe AccountInteractions do
     context 'following target_account' do
       it 'returns destroyed Follow' do
         account.active_relationships.create(target_account: target_account)
-        is_expected.to be_a Follow
+        expect(subject).to be_a Follow
         expect(subject).to be_destroyed
       end
     end
 
     context 'not following target_account' do
       it 'returns nil' do
-        is_expected.to be_nil
+        expect(subject).to be_nil
       end
     end
   end
@@ -279,14 +281,14 @@ describe AccountInteractions do
     context 'blocking target_account' do
       it 'returns destroyed Block' do
         account.block_relationships.create(target_account: target_account)
-        is_expected.to be_a Block
+        expect(subject).to be_a Block
         expect(subject).to be_destroyed
       end
     end
 
     context 'not blocking target_account' do
       it 'returns nil' do
-        is_expected.to be_nil
+        expect(subject).to be_nil
       end
     end
   end
@@ -297,55 +299,55 @@ describe AccountInteractions do
     context 'muting target_account' do
       it 'returns destroyed Mute' do
         account.mute_relationships.create(target_account: target_account)
-        is_expected.to be_a Mute
+        expect(subject).to be_a Mute
         expect(subject).to be_destroyed
       end
     end
 
     context 'not muting target_account' do
       it 'returns nil' do
-        is_expected.to be_nil
+        expect(subject).to be_nil
       end
     end
   end
 
   describe '#unmute_conversation!' do
-    let(:conversation) { Fabricate(:conversation) }
-
     subject { account.unmute_conversation!(conversation) }
 
+    let(:conversation) { Fabricate(:conversation) }
+
     context 'muting the conversation' do
       it 'returns destroyed ConversationMute' do
         account.conversation_mutes.create(conversation: conversation)
-        is_expected.to be_a ConversationMute
+        expect(subject).to be_a ConversationMute
         expect(subject).to be_destroyed
       end
     end
 
     context 'not muting the conversation' do
       it 'returns nil' do
-        is_expected.to be_nil
+        expect(subject).to be_nil
       end
     end
   end
 
   describe '#unblock_domain!' do
-    let(:domain) { 'example.com' }
-
     subject { account.unblock_domain!(domain) }
 
+    let(:domain) { 'example.com' }
+
     context 'blocking the domain' do
       it 'returns destroyed AccountDomainBlock' do
         account_domain_block = Fabricate(:account_domain_block, domain: domain)
         account.domain_blocks << account_domain_block
-        is_expected.to be_a AccountDomainBlock
+        expect(subject).to be_a AccountDomainBlock
         expect(subject).to be_destroyed
       end
     end
 
     context 'unblocking the domain' do
       it 'returns nil' do
-        is_expected.to be_nil
+        expect(subject).to be_nil
       end
     end
   end
@@ -356,13 +358,13 @@ describe AccountInteractions do
     context 'following target_account' do
       it 'returns true' do
         account.active_relationships.create(target_account: target_account)
-        is_expected.to be true
+        expect(subject).to be true
       end
     end
 
     context 'not following target_account' do
       it 'returns false' do
-        is_expected.to be false
+        expect(subject).to be false
       end
     end
   end
@@ -373,13 +375,13 @@ describe AccountInteractions do
     context 'followed by target_account' do
       it 'returns true' do
         account.passive_relationships.create(account: target_account)
-        is_expected.to be true
+        expect(subject).to be true
       end
     end
 
     context 'not followed by target_account' do
       it 'returns false' do
-        is_expected.to be false
+        expect(subject).to be false
       end
     end
   end
@@ -390,33 +392,33 @@ describe AccountInteractions do
     context 'blocking target_account' do
       it 'returns true' do
         account.block_relationships.create(target_account: target_account)
-        is_expected.to be true
+        expect(subject).to be true
       end
     end
 
     context 'not blocking target_account' do
       it 'returns false' do
-        is_expected.to be false
+        expect(subject).to be false
       end
     end
   end
 
   describe '#domain_blocking?' do
-    let(:domain)               { 'example.com' }
-
     subject { account.domain_blocking?(domain) }
 
+    let(:domain) { 'example.com' }
+
     context 'blocking the domain' do
       it 'returns true' do
         account_domain_block = Fabricate(:account_domain_block, domain: domain)
         account.domain_blocks << account_domain_block
-        is_expected.to be true
+        expect(subject).to be true
       end
     end
 
     context 'not blocking the domain' do
       it 'returns false' do
-        is_expected.to be false
+        expect(subject).to be false
       end
     end
   end
@@ -428,49 +430,49 @@ describe AccountInteractions do
       it 'returns true' do
         mute = Fabricate(:mute, account: account, target_account: target_account)
         account.mute_relationships << mute
-        is_expected.to be true
+        expect(subject).to be true
       end
     end
 
     context 'not muting target_account' do
       it 'returns false' do
-        is_expected.to be false
+        expect(subject).to be false
       end
     end
   end
 
   describe '#muting_conversation?' do
-    let(:conversation) { Fabricate(:conversation) }
-
     subject { account.muting_conversation?(conversation) }
 
+    let(:conversation) { Fabricate(:conversation) }
+
     context 'muting the conversation' do
       it 'returns true' do
         account.conversation_mutes.create(conversation: conversation)
-        is_expected.to be true
+        expect(subject).to be true
       end
     end
 
     context 'not muting the conversation' do
       it 'returns false' do
-        is_expected.to be false
+        expect(subject).to be false
       end
     end
   end
 
   describe '#muting_notifications?' do
+    subject { account.muting_notifications?(target_account) }
+
     before do
       mute = Fabricate(:mute, target_account: target_account, account: account, hide_notifications: hide)
       account.mute_relationships << mute
     end
 
-    subject { account.muting_notifications?(target_account) }
-
     context 'muting notifications of target_account' do
       let(:hide) { true }
 
       it 'returns true' do
-        is_expected.to be true
+        expect(subject).to be true
       end
     end
 
@@ -478,7 +480,7 @@ describe AccountInteractions do
       let(:hide) { false }
 
       it 'returns false' do
-        is_expected.to be false
+        expect(subject).to be false
       end
     end
   end
@@ -489,27 +491,27 @@ describe AccountInteractions do
     context 'requested by target_account' do
       it 'returns true' do
         Fabricate(:follow_request, account: account, target_account: target_account)
-        is_expected.to be true
+        expect(subject).to be true
       end
     end
 
     context 'not requested by target_account' do
       it 'returns false' do
-        is_expected.to be false
+        expect(subject).to be false
       end
     end
   end
 
   describe '#favourited?' do
-    let(:status) { Fabricate(:status, account: account, favourites: favourites) }
-
     subject { account.favourited?(status) }
 
+    let(:status) { Fabricate(:status, account: account, favourites: favourites) }
+
     context 'favorited' do
       let(:favourites) { [Fabricate(:favourite, account: account)] }
 
       it 'returns true' do
-        is_expected.to be true
+        expect(subject).to be true
       end
     end
 
@@ -517,21 +519,21 @@ describe AccountInteractions do
       let(:favourites) { [] }
 
       it 'returns false' do
-        is_expected.to be false
+        expect(subject).to be false
       end
     end
   end
 
   describe '#reblogged?' do
-    let(:status) { Fabricate(:status, account: account, reblogs: reblogs) }
-
     subject { account.reblogged?(status) }
 
+    let(:status) { Fabricate(:status, account: account, reblogs: reblogs) }
+
     context 'reblogged' do
       let(:reblogs) { [Fabricate(:status, account: account)] }
 
       it 'returns true' do
-        is_expected.to be true
+        expect(subject).to be true
       end
     end
 
@@ -539,26 +541,26 @@ describe AccountInteractions do
       let(:reblogs) { [] }
 
       it 'returns false' do
-        is_expected.to be false
+        expect(subject).to be false
       end
     end
   end
 
   describe '#pinned?' do
-    let(:status) { Fabricate(:status, account: account) }
-
     subject { account.pinned?(status) }
 
+    let(:status) { Fabricate(:status, account: account) }
+
     context 'pinned' do
       it 'returns true' do
         Fabricate(:status_pin, account: account, status: status)
-        is_expected.to be true
+        expect(subject).to be true
       end
     end
 
     context 'not pinned' do
       it 'returns false' do
-        is_expected.to be false
+        expect(subject).to be false
       end
     end
   end
diff --git a/spec/models/concerns/remotable_spec.rb b/spec/models/concerns/remotable_spec.rb
index ca2d65d2d..964520427 100644
--- a/spec/models/concerns/remotable_spec.rb
+++ b/spec/models/concerns/remotable_spec.rb
@@ -147,8 +147,8 @@ RSpec.describe Remotable do
         let(:code) { 500 }
 
         it 'does not assign file' do
-          expect(foo).not_to receive(:public_send).with("#{hoge}=", any_args)
-          expect(foo).not_to receive(:public_send).with("#{hoge}_file_name=", any_args)
+          expect(foo).to_not receive(:public_send).with("#{hoge}=", any_args)
+          expect(foo).to_not receive(:public_send).with("#{hoge}_file_name=", any_args)
 
           foo.hoge_remote_url = url
         end
diff --git a/spec/models/conversation_mute_spec.rb b/spec/models/conversation_mute_spec.rb
index 3fc2915d4..6439b0ecd 100644
--- a/spec/models/conversation_mute_spec.rb
+++ b/spec/models/conversation_mute_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe ConversationMute, type: :model do
diff --git a/spec/models/conversation_spec.rb b/spec/models/conversation_spec.rb
index 8b5e4fdaf..9d58ad0ac 100644
--- a/spec/models/conversation_spec.rb
+++ b/spec/models/conversation_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe Conversation, type: :model do
diff --git a/spec/models/custom_emoji_category_spec.rb b/spec/models/custom_emoji_category_spec.rb
index 160033f4d..74881b26c 100644
--- a/spec/models/custom_emoji_category_spec.rb
+++ b/spec/models/custom_emoji_category_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe CustomEmojiCategory, type: :model do
diff --git a/spec/models/custom_emoji_filter_spec.rb b/spec/models/custom_emoji_filter_spec.rb
index 515c0a715..30f0ec2b2 100644
--- a/spec/models/custom_emoji_filter_spec.rb
+++ b/spec/models/custom_emoji_filter_spec.rb
@@ -4,12 +4,12 @@ require 'rails_helper'
 
 RSpec.describe CustomEmojiFilter do
   describe '#results' do
+    subject { described_class.new(params).results }
+
     let!(:custom_emoji_0) { Fabricate(:custom_emoji, domain: 'a') }
     let!(:custom_emoji_1) { Fabricate(:custom_emoji, domain: 'b') }
     let!(:custom_emoji_2) { Fabricate(:custom_emoji, domain: nil, shortcode: 'hoge') }
 
-    subject { described_class.new(params).results }
-
     context 'params have values' do
       context 'local' do
         let(:params) { { local: true } }
diff --git a/spec/models/custom_emoji_spec.rb b/spec/models/custom_emoji_spec.rb
index f9e1099c6..ef5f39aca 100644
--- a/spec/models/custom_emoji_spec.rb
+++ b/spec/models/custom_emoji_spec.rb
@@ -1,17 +1,19 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe CustomEmoji, type: :model do
   describe '#search' do
-    let(:custom_emoji) { Fabricate(:custom_emoji, shortcode: shortcode) }
-
     subject { described_class.search(search_term) }
 
+    let(:custom_emoji) { Fabricate(:custom_emoji, shortcode: shortcode) }
+
     context 'shortcode is exact' do
       let(:shortcode) { 'blobpats' }
       let(:search_term) { 'blobpats' }
 
       it 'finds emoji' do
-        is_expected.to include(custom_emoji)
+        expect(subject).to include(custom_emoji)
       end
     end
 
@@ -20,21 +22,21 @@ RSpec.describe CustomEmoji, type: :model do
       let(:search_term) { 'blob' }
 
       it 'finds emoji' do
-        is_expected.to include(custom_emoji)
+        expect(subject).to include(custom_emoji)
       end
     end
   end
 
   describe '#local?' do
-    let(:custom_emoji) { Fabricate(:custom_emoji, domain: domain) }
-
     subject { custom_emoji.local? }
 
+    let(:custom_emoji) { Fabricate(:custom_emoji, domain: domain) }
+
     context 'domain is nil' do
       let(:domain) { nil }
 
       it 'returns true' do
-        is_expected.to be true
+        expect(subject).to be true
       end
     end
 
@@ -42,7 +44,7 @@ RSpec.describe CustomEmoji, type: :model do
       let(:domain) { 'example.com' }
 
       it 'returns false' do
-        is_expected.to be false
+        expect(subject).to be false
       end
     end
   end
@@ -55,15 +57,15 @@ RSpec.describe CustomEmoji, type: :model do
   end
 
   describe '.from_text' do
-    let!(:emojo) { Fabricate(:custom_emoji) }
-
     subject { described_class.from_text(text, nil) }
 
+    let!(:emojo) { Fabricate(:custom_emoji) }
+
     context 'with plain text' do
       let(:text) { 'Hello :coolcat:' }
 
       it 'returns records used via shortcodes in text' do
-        is_expected.to include(emojo)
+        expect(subject).to include(emojo)
       end
     end
 
@@ -71,7 +73,7 @@ RSpec.describe CustomEmoji, type: :model do
       let(:text) { '<p>Hello :coolcat:</p>' }
 
       it 'returns records used via shortcodes in text' do
-        is_expected.to include(emojo)
+        expect(subject).to include(emojo)
       end
     end
   end
diff --git a/spec/models/custom_filter_keyword_spec.rb b/spec/models/custom_filter_keyword_spec.rb
index e15b9dad5..bbc4b9c2e 100644
--- a/spec/models/custom_filter_keyword_spec.rb
+++ b/spec/models/custom_filter_keyword_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe CustomFilterKeyword, type: :model do
diff --git a/spec/models/custom_filter_spec.rb b/spec/models/custom_filter_spec.rb
index 3943dd5f1..d2bc090ab 100644
--- a/spec/models/custom_filter_spec.rb
+++ b/spec/models/custom_filter_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe CustomFilter, type: :model do
diff --git a/spec/models/device_spec.rb b/spec/models/device_spec.rb
index 307552e91..cb214b9cb 100644
--- a/spec/models/device_spec.rb
+++ b/spec/models/device_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe Device, type: :model do
diff --git a/spec/models/domain_allow_spec.rb b/spec/models/domain_allow_spec.rb
index e65435127..18cf5fe4c 100644
--- a/spec/models/domain_allow_spec.rb
+++ b/spec/models/domain_allow_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe DomainAllow, type: :model do
diff --git a/spec/models/domain_block_spec.rb b/spec/models/domain_block_spec.rb
index 28647dc89..6a5925b89 100644
--- a/spec/models/domain_block_spec.rb
+++ b/spec/models/domain_block_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe DomainBlock, type: :model do
@@ -24,16 +26,16 @@ RSpec.describe DomainBlock, type: :model do
   describe '.blocked?' do
     it 'returns true if the domain is suspended' do
       Fabricate(:domain_block, domain: 'example.com', severity: :suspend)
-      expect(DomainBlock.blocked?('example.com')).to eq true
+      expect(DomainBlock.blocked?('example.com')).to be true
     end
 
     it 'returns false even if the domain is silenced' do
       Fabricate(:domain_block, domain: 'example.com', severity: :silence)
-      expect(DomainBlock.blocked?('example.com')).to eq false
+      expect(DomainBlock.blocked?('example.com')).to be false
     end
 
     it 'returns false if the domain is not suspended nor silenced' do
-      expect(DomainBlock.blocked?('example.com')).to eq false
+      expect(DomainBlock.blocked?('example.com')).to be false
     end
   end
 
diff --git a/spec/models/email_domain_block_spec.rb b/spec/models/email_domain_block_spec.rb
index e23116888..01a7a0f0e 100644
--- a/spec/models/email_domain_block_spec.rb
+++ b/spec/models/email_domain_block_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe EmailDomainBlock, type: :model do
diff --git a/spec/models/encrypted_message_spec.rb b/spec/models/encrypted_message_spec.rb
index 64f9c6912..bf7a406ff 100644
--- a/spec/models/encrypted_message_spec.rb
+++ b/spec/models/encrypted_message_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe EncryptedMessage, type: :model do
diff --git a/spec/models/export_spec.rb b/spec/models/export_spec.rb
index 5202ae9e1..3fb5fc3a5 100644
--- a/spec/models/export_spec.rb
+++ b/spec/models/export_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 describe Export do
diff --git a/spec/models/favourite_spec.rb b/spec/models/favourite_spec.rb
index ba1410a45..f7e2812a6 100644
--- a/spec/models/favourite_spec.rb
+++ b/spec/models/favourite_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe Favourite, type: :model do
@@ -9,7 +11,7 @@ RSpec.describe Favourite, type: :model do
 
     it 'invalidates if the reblogged status is already a favourite' do
       Favourite.create!(account: account, status: reblog)
-      expect(Favourite.new(account: account, status: status).valid?).to eq false
+      expect(Favourite.new(account: account, status: status).valid?).to be false
     end
 
     it 'replaces status with the reblogged one if it is a reblog' do
diff --git a/spec/models/featured_tag_spec.rb b/spec/models/featured_tag_spec.rb
index 07533e0b9..4bf087c82 100644
--- a/spec/models/featured_tag_spec.rb
+++ b/spec/models/featured_tag_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe FeaturedTag, type: :model do
diff --git a/spec/models/follow_recommendation_suppression_spec.rb b/spec/models/follow_recommendation_suppression_spec.rb
index 39107a2b0..4c1d8281b 100644
--- a/spec/models/follow_recommendation_suppression_spec.rb
+++ b/spec/models/follow_recommendation_suppression_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe FollowRecommendationSuppression, type: :model do
diff --git a/spec/models/follow_request_spec.rb b/spec/models/follow_request_spec.rb
index c456c285f..ff81cd78d 100644
--- a/spec/models/follow_request_spec.rb
+++ b/spec/models/follow_request_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe FollowRequest, type: :model do
diff --git a/spec/models/follow_spec.rb b/spec/models/follow_spec.rb
index e723a1ef2..f49d58532 100644
--- a/spec/models/follow_spec.rb
+++ b/spec/models/follow_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe Follow, type: :model do
diff --git a/spec/models/home_feed_spec.rb b/spec/models/home_feed_spec.rb
index 80f6edbff..d7034f3f0 100644
--- a/spec/models/home_feed_spec.rb
+++ b/spec/models/home_feed_spec.rb
@@ -1,10 +1,12 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe HomeFeed, type: :model do
-  let(:account) { Fabricate(:account) }
-
   subject { described_class.new(account) }
 
+  let(:account) { Fabricate(:account) }
+
   describe '#get' do
     before do
       Fabricate(:status, account: account, id: 1)
diff --git a/spec/models/identity_spec.rb b/spec/models/identity_spec.rb
index 689c9b797..6eab5a2e1 100644
--- a/spec/models/identity_spec.rb
+++ b/spec/models/identity_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe Identity, type: :model do
diff --git a/spec/models/import_spec.rb b/spec/models/import_spec.rb
index 4280b3237..81c75a964 100644
--- a/spec/models/import_spec.rb
+++ b/spec/models/import_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe Import, type: :model do
diff --git a/spec/models/invite_spec.rb b/spec/models/invite_spec.rb
index b0596c561..dac4b6431 100644
--- a/spec/models/invite_spec.rb
+++ b/spec/models/invite_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe Invite, type: :model do
diff --git a/spec/models/ip_block_spec.rb b/spec/models/ip_block_spec.rb
index 6603c6417..4c4028576 100644
--- a/spec/models/ip_block_spec.rb
+++ b/spec/models/ip_block_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe IpBlock, type: :model do
diff --git a/spec/models/list_account_spec.rb b/spec/models/list_account_spec.rb
index a0cf02efe..8312defac 100644
--- a/spec/models/list_account_spec.rb
+++ b/spec/models/list_account_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe ListAccount, type: :model do
diff --git a/spec/models/list_spec.rb b/spec/models/list_spec.rb
index b780bb1de..8167f8a7e 100644
--- a/spec/models/list_spec.rb
+++ b/spec/models/list_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe List, type: :model do
diff --git a/spec/models/login_activity_spec.rb b/spec/models/login_activity_spec.rb
index 12d8c4363..1c3111a20 100644
--- a/spec/models/login_activity_spec.rb
+++ b/spec/models/login_activity_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe LoginActivity, type: :model do
diff --git a/spec/models/marker_spec.rb b/spec/models/marker_spec.rb
index d716aa75c..e8561c4c6 100644
--- a/spec/models/marker_spec.rb
+++ b/spec/models/marker_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe Marker, type: :model do
diff --git a/spec/models/media_attachment_spec.rb b/spec/models/media_attachment_spec.rb
index d1a94d41a..63edfc152 100644
--- a/spec/models/media_attachment_spec.rb
+++ b/spec/models/media_attachment_spec.rb
@@ -1,16 +1,18 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe MediaAttachment, type: :model do
   describe 'local?' do
-    let(:media_attachment) { Fabricate(:media_attachment, remote_url: remote_url) }
-
     subject { media_attachment.local? }
 
+    let(:media_attachment) { Fabricate(:media_attachment, remote_url: remote_url) }
+
     context 'remote_url is blank' do
       let(:remote_url) { '' }
 
       it 'returns true' do
-        is_expected.to be true
+        expect(subject).to be true
       end
     end
 
@@ -18,16 +20,16 @@ RSpec.describe MediaAttachment, type: :model do
       let(:remote_url) { 'remote_url' }
 
       it 'returns false' do
-        is_expected.to be false
+        expect(subject).to be false
       end
     end
   end
 
   describe 'needs_redownload?' do
-    let(:media_attachment) { Fabricate(:media_attachment, remote_url: remote_url, file: file) }
-
     subject { media_attachment.needs_redownload? }
 
+    let(:media_attachment) { Fabricate(:media_attachment, remote_url: remote_url, file: file) }
+
     context 'file is blank' do
       let(:file) { nil }
 
@@ -35,7 +37,7 @@ RSpec.describe MediaAttachment, type: :model do
         let(:remote_url) { 'remote_url' }
 
         it 'returns true' do
-          is_expected.to be true
+          expect(subject).to be true
         end
       end
     end
@@ -47,7 +49,7 @@ RSpec.describe MediaAttachment, type: :model do
         let(:remote_url) { '' }
 
         it 'returns false' do
-          is_expected.to be false
+          expect(subject).to be false
         end
       end
 
@@ -55,7 +57,7 @@ RSpec.describe MediaAttachment, type: :model do
         let(:remote_url) { 'remote_url' }
 
         it 'returns true' do
-          is_expected.to be false
+          expect(subject).to be false
         end
       end
     end
@@ -138,7 +140,7 @@ RSpec.describe MediaAttachment, type: :model do
     end
 
     it 'extracts thumbnail' do
-      expect(media.thumbnail.present?).to eq true
+      expect(media.thumbnail.present?).to be true
     end
 
     it 'extracts colors from thumbnail' do
diff --git a/spec/models/mention_spec.rb b/spec/models/mention_spec.rb
index dbcf6a32c..3de2b4a07 100644
--- a/spec/models/mention_spec.rb
+++ b/spec/models/mention_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe Mention, type: :model do
diff --git a/spec/models/mute_spec.rb b/spec/models/mute_spec.rb
index 38a87bdf4..48b5a37ab 100644
--- a/spec/models/mute_spec.rb
+++ b/spec/models/mute_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe Mute, type: :model do
diff --git a/spec/models/notification_spec.rb b/spec/models/notification_spec.rb
index 1e9e45d8d..64527e3d7 100644
--- a/spec/models/notification_spec.rb
+++ b/spec/models/notification_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe Notification, type: :model do
@@ -68,7 +70,7 @@ RSpec.describe Notification, type: :model do
       let(:notifications) { [] }
 
       it 'returns []' do
-        is_expected.to eq []
+        expect(subject).to eq []
       end
     end
 
diff --git a/spec/models/one_time_key_spec.rb b/spec/models/one_time_key_spec.rb
index 4b231c600..2a5fe8a9d 100644
--- a/spec/models/one_time_key_spec.rb
+++ b/spec/models/one_time_key_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe OneTimeKey, type: :model do
diff --git a/spec/models/poll_spec.rb b/spec/models/poll_spec.rb
index 666f8ca68..474399bf6 100644
--- a/spec/models/poll_spec.rb
+++ b/spec/models/poll_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe Poll, type: :model do
diff --git a/spec/models/preview_card_spec.rb b/spec/models/preview_card_spec.rb
index 45233d1d4..1858644c9 100644
--- a/spec/models/preview_card_spec.rb
+++ b/spec/models/preview_card_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe PreviewCard, type: :model do
diff --git a/spec/models/preview_card_trend_spec.rb b/spec/models/preview_card_trend_spec.rb
index c7ab6ed14..97ad05e75 100644
--- a/spec/models/preview_card_trend_spec.rb
+++ b/spec/models/preview_card_trend_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe PreviewCardTrend, type: :model do
diff --git a/spec/models/public_feed_spec.rb b/spec/models/public_feed_spec.rb
index 23cc3ceea..f607f10ec 100644
--- a/spec/models/public_feed_spec.rb
+++ b/spec/models/public_feed_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe PublicFeed, type: :model do
@@ -11,7 +13,7 @@ RSpec.describe PublicFeed, type: :model do
       private_status = Fabricate(:status, visibility: :private)
 
       expect(subject).to include(public_status.id)
-      expect(subject).not_to include(private_status.id)
+      expect(subject).to_not include(private_status.id)
     end
 
     it 'does not include replies' do
@@ -19,7 +21,7 @@ RSpec.describe PublicFeed, type: :model do
       reply = Fabricate(:status, in_reply_to_id: status.id)
 
       expect(subject).to include(status.id)
-      expect(subject).not_to include(reply.id)
+      expect(subject).to_not include(reply.id)
     end
 
     it 'does not include boosts' do
@@ -27,7 +29,7 @@ RSpec.describe PublicFeed, type: :model do
       boost = Fabricate(:status, reblog_of_id: status.id)
 
       expect(subject).to include(status.id)
-      expect(subject).not_to include(boost.id)
+      expect(subject).to_not include(boost.id)
     end
 
     it 'filters out silenced accounts' do
@@ -36,10 +38,12 @@ RSpec.describe PublicFeed, type: :model do
       silenced_status = Fabricate(:status, account: silenced_account)
 
       expect(subject).to include(status.id)
-      expect(subject).not_to include(silenced_status.id)
+      expect(subject).to_not include(silenced_status.id)
     end
 
     context 'without local_only option' do
+      subject { described_class.new(viewer).get(20).map(&:id) }
+
       let(:viewer) { nil }
 
       let!(:local_account)  { Fabricate(:account, domain: nil) }
@@ -48,8 +52,6 @@ RSpec.describe PublicFeed, type: :model do
       let!(:remote_status)  { Fabricate(:status, account: remote_account) }
       let!(:local_only_status) { Fabricate(:status, account: local_account, local_only: true) }
 
-      subject { described_class.new(viewer).get(20).map(&:id) }
-
       context 'without a viewer' do
         let(:viewer) { nil }
 
@@ -128,20 +130,20 @@ RSpec.describe PublicFeed, type: :model do
     end
 
     context 'with a local_only option set' do
+      subject { described_class.new(viewer, local: true).get(20).map(&:id) }
+
       let!(:local_account)  { Fabricate(:account, domain: nil) }
       let!(:remote_account) { Fabricate(:account, domain: 'test.com') }
       let!(:local_status)   { Fabricate(:status, account: local_account) }
       let!(:remote_status)  { Fabricate(:status, account: remote_account) }
       let!(:local_only_status) { Fabricate(:status, account: local_account, local_only: true) }
 
-      subject { described_class.new(viewer, local: true).get(20).map(&:id) }
-
       context 'without a viewer' do
         let(:viewer) { nil }
 
         it 'does not include remote instances statuses' do
           expect(subject).to include(local_status.id)
-          expect(subject).not_to include(remote_status.id)
+          expect(subject).to_not include(remote_status.id)
         end
 
         it 'does not include local-only statuses' do
@@ -154,13 +156,13 @@ RSpec.describe PublicFeed, type: :model do
 
         it 'does not include remote instances statuses' do
           expect(subject).to include(local_status.id)
-          expect(subject).not_to include(remote_status.id)
+          expect(subject).to_not include(remote_status.id)
         end
 
         it 'is not affected by personal domain blocks' do
           viewer.block_domain!('test.com')
           expect(subject).to include(local_status.id)
-          expect(subject).not_to include(remote_status.id)
+          expect(subject).to_not include(remote_status.id)
         end
 
         it 'includes local-only statuses' do
@@ -170,18 +172,18 @@ RSpec.describe PublicFeed, type: :model do
     end
 
     context 'with a remote_only option set' do
+      subject { described_class.new(viewer, remote: true).get(20).map(&:id) }
+
       let!(:local_account)  { Fabricate(:account, domain: nil) }
       let!(:remote_account) { Fabricate(:account, domain: 'test.com') }
       let!(:local_status)   { Fabricate(:status, account: local_account) }
       let!(:remote_status)  { Fabricate(:status, account: remote_account) }
 
-      subject { described_class.new(viewer, remote: true).get(20).map(&:id) }
-
       context 'without a viewer' do
         let(:viewer) { nil }
 
         it 'does not include local instances statuses' do
-          expect(subject).not_to include(local_status.id)
+          expect(subject).to_not include(local_status.id)
           expect(subject).to include(remote_status.id)
         end
       end
@@ -190,25 +192,25 @@ RSpec.describe PublicFeed, type: :model do
         let(:viewer) { Fabricate(:account, username: 'viewer') }
 
         it 'does not include local instances statuses' do
-          expect(subject).not_to include(local_status.id)
+          expect(subject).to_not include(local_status.id)
           expect(subject).to include(remote_status.id)
         end
       end
     end
 
     describe 'with an account passed in' do
+      subject { described_class.new(@account).get(20).map(&:id) }
+
       before do
         @account = Fabricate(:account)
       end
 
-      subject { described_class.new(@account).get(20).map(&:id) }
-
       it 'excludes statuses from accounts blocked by the account' do
         blocked = Fabricate(:account)
         @account.block!(blocked)
         blocked_status = Fabricate(:status, account: blocked)
 
-        expect(subject).not_to include(blocked_status.id)
+        expect(subject).to_not include(blocked_status.id)
       end
 
       it 'excludes statuses from accounts who have blocked the account' do
@@ -216,7 +218,7 @@ RSpec.describe PublicFeed, type: :model do
         blocker.block!(@account)
         blocked_status = Fabricate(:status, account: blocker)
 
-        expect(subject).not_to include(blocked_status.id)
+        expect(subject).to_not include(blocked_status.id)
       end
 
       it 'excludes statuses from accounts muted by the account' do
@@ -224,7 +226,7 @@ RSpec.describe PublicFeed, type: :model do
         @account.mute!(muted)
         muted_status = Fabricate(:status, account: muted)
 
-        expect(subject).not_to include(muted_status.id)
+        expect(subject).to_not include(muted_status.id)
       end
 
       it 'excludes statuses from accounts from personally blocked domains' do
@@ -232,7 +234,7 @@ RSpec.describe PublicFeed, type: :model do
         @account.block_domain!(blocked.domain)
         blocked_status = Fabricate(:status, account: blocked)
 
-        expect(subject).not_to include(blocked_status.id)
+        expect(subject).to_not include(blocked_status.id)
       end
 
       context 'with language preferences' do
@@ -244,7 +246,7 @@ RSpec.describe PublicFeed, type: :model do
 
           expect(subject).to include(en_status.id)
           expect(subject).to include(es_status.id)
-          expect(subject).not_to include(fr_status.id)
+          expect(subject).to_not include(fr_status.id)
         end
 
         it 'includes all languages when user does not have a setting' do
diff --git a/spec/models/relay_spec.rb b/spec/models/relay_spec.rb
index 12dc0f20f..86c1762c1 100644
--- a/spec/models/relay_spec.rb
+++ b/spec/models/relay_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe Relay, type: :model do
diff --git a/spec/models/remote_follow_spec.rb b/spec/models/remote_follow_spec.rb
index 5b4c19b5b..ea36b0076 100644
--- a/spec/models/remote_follow_spec.rb
+++ b/spec/models/remote_follow_spec.rb
@@ -17,7 +17,7 @@ RSpec.describe RemoteFollow do
       let(:attrs) { { acct: 'gargron@quitter.no' } }
 
       it 'returns acct' do
-        is_expected.to eq 'gargron@quitter.no'
+        expect(subject).to eq 'gargron@quitter.no'
       end
     end
 
@@ -25,7 +25,7 @@ RSpec.describe RemoteFollow do
       let(:attrs) { {} }
 
       it do
-        is_expected.to be_nil
+        expect(subject).to be_nil
       end
     end
   end
@@ -37,7 +37,7 @@ RSpec.describe RemoteFollow do
       let(:attrs) { { acct: 'gargron@quitter.no' } }
 
       it do
-        is_expected.to be true
+        expect(subject).to be true
       end
     end
 
@@ -45,12 +45,14 @@ RSpec.describe RemoteFollow do
       let(:attrs) { {} }
 
       it do
-        is_expected.to be false
+        expect(subject).to be false
       end
     end
   end
 
   describe '#subscribe_address_for' do
+    subject { remote_follow.subscribe_address_for(account) }
+
     before do
       remote_follow.valid?
     end
@@ -58,10 +60,8 @@ RSpec.describe RemoteFollow do
     let(:attrs)   { { acct: 'gargron@quitter.no' } }
     let(:account) { Fabricate(:account, username: 'alice') }
 
-    subject { remote_follow.subscribe_address_for(account) }
-
     it 'returns subscribe address' do
-      is_expected.to eq 'https://quitter.no/main/ostatussub?profile=https%3A%2F%2Fcb6e6126.ngrok.io%2Fusers%2Falice'
+      expect(subject).to eq 'https://quitter.no/main/ostatussub?profile=https%3A%2F%2Fcb6e6126.ngrok.io%2Fusers%2Falice'
     end
   end
 end
diff --git a/spec/models/report_filter_spec.rb b/spec/models/report_filter_spec.rb
index 099c0731d..8269c4579 100644
--- a/spec/models/report_filter_spec.rb
+++ b/spec/models/report_filter_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 describe ReportFilter do
diff --git a/spec/models/report_spec.rb b/spec/models/report_spec.rb
index 874be4132..d5d40a34f 100644
--- a/spec/models/report_spec.rb
+++ b/spec/models/report_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 describe Report do
@@ -33,7 +35,7 @@ describe Report do
     end
 
     it 'assigns to a given account' do
-      is_expected.to eq current_account.id
+      expect(subject).to eq current_account.id
     end
   end
 
@@ -48,7 +50,7 @@ describe Report do
     end
 
     it 'unassigns' do
-      is_expected.to be_nil
+      expect(subject).to be_nil
     end
   end
 
diff --git a/spec/models/rule_spec.rb b/spec/models/rule_spec.rb
index 8666bda71..d5ec13ddf 100644
--- a/spec/models/rule_spec.rb
+++ b/spec/models/rule_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe Rule, type: :model do
diff --git a/spec/models/scheduled_status_spec.rb b/spec/models/scheduled_status_spec.rb
index f8c9d8b81..294fa9f36 100644
--- a/spec/models/scheduled_status_spec.rb
+++ b/spec/models/scheduled_status_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe ScheduledStatus, type: :model do
diff --git a/spec/models/session_activation_spec.rb b/spec/models/session_activation_spec.rb
index 26f2b561a..375199d57 100644
--- a/spec/models/session_activation_spec.rb
+++ b/spec/models/session_activation_spec.rb
@@ -44,7 +44,7 @@ RSpec.describe SessionActivation, type: :model do
       let(:id) { nil }
 
       it 'returns nil' do
-        is_expected.to be_nil
+        expect(subject).to be_nil
       end
     end
 
@@ -54,7 +54,7 @@ RSpec.describe SessionActivation, type: :model do
 
       context 'id exists as session_id' do
         it 'returns true' do
-          is_expected.to be true
+          expect(subject).to be true
         end
       end
 
@@ -64,7 +64,7 @@ RSpec.describe SessionActivation, type: :model do
         end
 
         it 'returns false' do
-          is_expected.to be false
+          expect(subject).to be false
         end
       end
     end
diff --git a/spec/models/setting_spec.rb b/spec/models/setting_spec.rb
index 83ba415a8..826a13878 100644
--- a/spec/models/setting_spec.rb
+++ b/spec/models/setting_spec.rb
@@ -38,7 +38,7 @@ RSpec.describe Setting, type: :model do
       let(:cache_value)       { 'cache-value' }
 
       it 'calls not RailsSettings::Base#[]' do
-        expect(RailsSettings::Base).not_to receive(:[]).with(key)
+        expect(RailsSettings::Base).to_not receive(:[]).with(key)
         described_class[key]
       end
 
@@ -104,7 +104,7 @@ RSpec.describe Setting, type: :model do
           ActiveSupport::Notifications.subscribed callback, 'sql.active_record' do
             described_class[key]
           end
-          expect(callback).not_to have_received(:call)
+          expect(callback).to_not have_received(:call)
         end
 
         it 'returns the cached value' do
@@ -163,17 +163,17 @@ RSpec.describe Setting, type: :model do
   end
 
   describe '.default_settings' do
+    subject { described_class.default_settings }
+
     before do
       allow(RailsSettings::Default).to receive(:enabled?).and_return(enabled)
     end
 
-    subject { described_class.default_settings }
-
     context 'RailsSettings::Default.enabled? is false' do
       let(:enabled) { false }
 
       it 'returns {}' do
-        is_expected.to eq({})
+        expect(subject).to eq({})
       end
     end
 
@@ -181,7 +181,7 @@ RSpec.describe Setting, type: :model do
       let(:enabled) { true }
 
       it 'returns instance of RailsSettings::Default' do
-        is_expected.to be_a RailsSettings::Default
+        expect(subject).to be_a RailsSettings::Default
       end
     end
   end
diff --git a/spec/models/status_edit_spec.rb b/spec/models/status_edit_spec.rb
index 2ecafef73..0b9fa7087 100644
--- a/spec/models/status_edit_spec.rb
+++ b/spec/models/status_edit_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe StatusEdit, type: :model do
diff --git a/spec/models/status_pin_spec.rb b/spec/models/status_pin_spec.rb
index c18faca78..c4ebf96da 100644
--- a/spec/models/status_pin_spec.rb
+++ b/spec/models/status_pin_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe StatusPin, type: :model do
diff --git a/spec/models/status_spec.rb b/spec/models/status_spec.rb
index e0a7aba7e..7022c5f00 100644
--- a/spec/models/status_spec.rb
+++ b/spec/models/status_spec.rb
@@ -1,12 +1,14 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe Status, type: :model do
+  subject { Fabricate(:status, account: alice) }
+
   let(:alice) { Fabricate(:account, username: 'alice') }
   let(:bob)   { Fabricate(:account, username: 'bob') }
   let(:other) { Fabricate(:status, account: bob, text: 'Skulls for the skull god! The enemy\'s gates are sideways!') }
 
-  subject { Fabricate(:status, account: alice) }
-
   describe '#local?' do
     it 'returns true when no remote URI is set' do
       expect(subject.local?).to be true
@@ -241,11 +243,11 @@ RSpec.describe Status, type: :model do
   end
 
   describe '.mutes_map' do
+    subject { Status.mutes_map([status.conversation.id], account) }
+
     let(:status)  { Fabricate(:status) }
     let(:account) { Fabricate(:account) }
 
-    subject { Status.mutes_map([status.conversation.id], account) }
-
     it 'returns a hash' do
       expect(subject).to be_a Hash
     end
@@ -257,11 +259,11 @@ RSpec.describe Status, type: :model do
   end
 
   describe '.favourites_map' do
+    subject { Status.favourites_map([status], account) }
+
     let(:status)  { Fabricate(:status) }
     let(:account) { Fabricate(:account) }
 
-    subject { Status.favourites_map([status], account) }
-
     it 'returns a hash' do
       expect(subject).to be_a Hash
     end
@@ -273,11 +275,11 @@ RSpec.describe Status, type: :model do
   end
 
   describe '.reblogs_map' do
+    subject { Status.reblogs_map([status], account) }
+
     let(:status)  { Fabricate(:status) }
     let(:account) { Fabricate(:account) }
 
-    subject { Status.reblogs_map([status], account) }
-
     it 'returns a hash' do
       expect(subject).to be_a Hash
     end
diff --git a/spec/models/status_stat_spec.rb b/spec/models/status_stat_spec.rb
index af1a6f288..749ca097d 100644
--- a/spec/models/status_stat_spec.rb
+++ b/spec/models/status_stat_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe StatusStat, type: :model do
diff --git a/spec/models/status_trend_spec.rb b/spec/models/status_trend_spec.rb
index 6b82204a6..9678b838a 100644
--- a/spec/models/status_trend_spec.rb
+++ b/spec/models/status_trend_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe StatusTrend, type: :model do
diff --git a/spec/models/system_key_spec.rb b/spec/models/system_key_spec.rb
index 86f07f964..a4e8b7784 100644
--- a/spec/models/system_key_spec.rb
+++ b/spec/models/system_key_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe SystemKey, type: :model do
diff --git a/spec/models/tag_feed_spec.rb b/spec/models/tag_feed_spec.rb
index 45f7c3329..b961481c8 100644
--- a/spec/models/tag_feed_spec.rb
+++ b/spec/models/tag_feed_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 describe TagFeed, type: :service do
diff --git a/spec/models/tag_follow_spec.rb b/spec/models/tag_follow_spec.rb
index 50c04d2e4..88409bb28 100644
--- a/spec/models/tag_follow_spec.rb
+++ b/spec/models/tag_follow_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe TagFollow, type: :model do
diff --git a/spec/models/tag_spec.rb b/spec/models/tag_spec.rb
index 102d2f625..4d6e5c380 100644
--- a/spec/models/tag_spec.rb
+++ b/spec/models/tag_spec.rb
@@ -1,18 +1,19 @@
 # frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe Tag do
   describe 'validations' do
     it 'invalid with #' do
-      expect(described_class.new(name: '#hello_world')).not_to be_valid
+      expect(described_class.new(name: '#hello_world')).to_not be_valid
     end
 
     it 'invalid with .' do
-      expect(described_class.new(name: '.abcdef123')).not_to be_valid
+      expect(described_class.new(name: '.abcdef123')).to_not be_valid
     end
 
     it 'invalid with spaces' do
-      expect(described_class.new(name: 'hello world')).not_to be_valid
+      expect(described_class.new(name: 'hello world')).to_not be_valid
     end
 
     it 'valid with ａｅｓｔｈｅｔｉｃ' do
diff --git a/spec/models/trends/statuses_spec.rb b/spec/models/trends/statuses_spec.rb
index 98a8c7264..29a20a595 100644
--- a/spec/models/trends/statuses_spec.rb
+++ b/spec/models/trends/statuses_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe Trends::Statuses do
diff --git a/spec/models/trends/tags_spec.rb b/spec/models/trends/tags_spec.rb
index f48c73503..a9473e15c 100644
--- a/spec/models/trends/tags_spec.rb
+++ b/spec/models/trends/tags_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe Trends::Tags do
diff --git a/spec/models/unavailable_domain_spec.rb b/spec/models/unavailable_domain_spec.rb
index 3f2621034..5469ff693 100644
--- a/spec/models/unavailable_domain_spec.rb
+++ b/spec/models/unavailable_domain_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe UnavailableDomain, type: :model do
diff --git a/spec/models/user_invite_request_spec.rb b/spec/models/user_invite_request_spec.rb
index 1be38d8a4..95e128439 100644
--- a/spec/models/user_invite_request_spec.rb
+++ b/spec/models/user_invite_request_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe UserInviteRequest, type: :model do
diff --git a/spec/models/user_role_spec.rb b/spec/models/user_role_spec.rb
index 52a8622f9..97456c106 100644
--- a/spec/models/user_role_spec.rb
+++ b/spec/models/user_role_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe UserRole, type: :model do
diff --git a/spec/models/user_spec.rb b/spec/models/user_spec.rb
index dde1503c0..3e7b59f17 100644
--- a/spec/models/user_spec.rb
+++ b/spec/models/user_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 require 'devise_two_factor/spec_helpers'
 
@@ -46,7 +48,7 @@ RSpec.describe User, type: :model do
     it 'cleans out empty string from languages' do
       user = Fabricate.build(:user, chosen_languages: [''])
       user.valid?
-      expect(user.chosen_languages).to eq nil
+      expect(user.chosen_languages).to be_nil
     end
   end
 
@@ -142,10 +144,10 @@ RSpec.describe User, type: :model do
   end
 
   describe '#confirm' do
-    let(:new_email) { 'new-email@example.com' }
-
     subject { user.confirm }
 
+    let(:new_email) { 'new-email@example.com' }
+
     before do
       allow(TriggerWebhookWorker).to receive(:perform_async)
     end
@@ -159,7 +161,7 @@ RSpec.describe User, type: :model do
 
       it 'does not trigger the account.approved Web Hook' do
         subject
-        expect(TriggerWebhookWorker).not_to have_received(:perform_async).with('account.approved', 'Account', user.account_id)
+        expect(TriggerWebhookWorker).to_not have_received(:perform_async).with('account.approved', 'Account', user.account_id)
       end
     end
 
@@ -270,7 +272,7 @@ RSpec.describe User, type: :model do
 
       it 'does not trigger the account.approved Web Hook' do
         subject
-        expect(TriggerWebhookWorker).not_to have_received(:perform_async).with('account.approved', 'Account', user.account_id)
+        expect(TriggerWebhookWorker).to_not have_received(:perform_async).with('account.approved', 'Account', user.account_id)
       end
     end
   end
@@ -409,6 +411,7 @@ RSpec.describe User, type: :model do
 
   describe '#disable!' do
     subject(:user) { Fabricate(:user, disabled: false, current_sign_in_at: current_sign_in_at, last_sign_in_at: nil) }
+
     let(:current_sign_in_at) { Time.zone.now }
 
     before do
@@ -497,6 +500,7 @@ RSpec.describe User, type: :model do
 
   describe '#active_for_authentication?' do
     subject { user.active_for_authentication? }
+
     let(:user) { Fabricate(:user, disabled: disabled, confirmed_at: confirmed_at) }
 
     context 'when user is disabled' do
diff --git a/spec/models/web/push_subscription_spec.rb b/spec/models/web/push_subscription_spec.rb
index eeadbb71c..e925e4c4c 100644
--- a/spec/models/web/push_subscription_spec.rb
+++ b/spec/models/web/push_subscription_spec.rb
@@ -1,6 +1,10 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe Web::PushSubscription, type: :model do
+  subject { described_class.new(data: data) }
+
   let(:account) { Fabricate(:account) }
 
   let(:policy) { 'all' }
@@ -19,8 +23,6 @@ RSpec.describe Web::PushSubscription, type: :model do
     }
   end
 
-  subject { described_class.new(data: data) }
-
   describe '#pushable?' do
     let(:notification_type) { :mention }
     let(:notification) { Fabricate(:notification, account: account, type: notification_type) }
@@ -39,7 +41,7 @@ RSpec.describe Web::PushSubscription, type: :model do
       let(:policy) { 'all' }
 
       it 'returns true' do
-        expect(subject.pushable?(notification)).to eq true
+        expect(subject.pushable?(notification)).to be true
       end
     end
 
@@ -47,7 +49,7 @@ RSpec.describe Web::PushSubscription, type: :model do
       let(:policy) { 'none' }
 
       it 'returns false' do
-        expect(subject.pushable?(notification)).to eq false
+        expect(subject.pushable?(notification)).to be false
       end
     end
 
@@ -60,13 +62,13 @@ RSpec.describe Web::PushSubscription, type: :model do
         end
 
         it 'returns true' do
-          expect(subject.pushable?(notification)).to eq true
+          expect(subject.pushable?(notification)).to be true
         end
       end
 
       context 'and notification is not from someone you follow' do
         it 'returns false' do
-          expect(subject.pushable?(notification)).to eq false
+          expect(subject.pushable?(notification)).to be false
         end
       end
     end
@@ -80,13 +82,13 @@ RSpec.describe Web::PushSubscription, type: :model do
         end
 
         it 'returns true' do
-          expect(subject.pushable?(notification)).to eq true
+          expect(subject.pushable?(notification)).to be true
         end
       end
 
       context 'and notification is not from someone who follows you' do
         it 'returns false' do
-          expect(subject.pushable?(notification)).to eq false
+          expect(subject.pushable?(notification)).to be false
         end
       end
     end
diff --git a/spec/models/web/setting_spec.rb b/spec/models/web/setting_spec.rb
index 6657d4030..b7ff3c868 100644
--- a/spec/models/web/setting_spec.rb
+++ b/spec/models/web/setting_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe Web::Setting, type: :model do
diff --git a/spec/models/webauthn_credentials_spec.rb b/spec/models/webauthn_credentials_spec.rb
index e070a6b60..1a2a2f909 100644
--- a/spec/models/webauthn_credentials_spec.rb
+++ b/spec/models/webauthn_credentials_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe WebauthnCredential, type: :model do
diff --git a/spec/models/webhook_spec.rb b/spec/models/webhook_spec.rb
index 60c3d9524..fcf3dd14f 100644
--- a/spec/models/webhook_spec.rb
+++ b/spec/models/webhook_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe Webhook, type: :model do
diff --git a/spec/presenters/familiar_followers_presenter_spec.rb b/spec/presenters/familiar_followers_presenter_spec.rb
index 17be4b971..607e3002f 100644
--- a/spec/presenters/familiar_followers_presenter_spec.rb
+++ b/spec/presenters/familiar_followers_presenter_spec.rb
@@ -4,12 +4,12 @@ require 'rails_helper'
 
 RSpec.describe FamiliarFollowersPresenter do
   describe '#accounts' do
+    subject { described_class.new(requested_accounts, account.id) }
+
     let(:account) { Fabricate(:account) }
     let(:familiar_follower) { Fabricate(:account) }
     let(:requested_accounts) { Fabricate.times(2, :account) }
 
-    subject { described_class.new(requested_accounts, account.id) }
-
     before do
       familiar_follower.follow!(requested_accounts.first)
       account.follow!(familiar_follower)
diff --git a/spec/presenters/instance_presenter_spec.rb b/spec/presenters/instance_presenter_spec.rb
index 489eee40a..43b1c4043 100644
--- a/spec/presenters/instance_presenter_spec.rb
+++ b/spec/presenters/instance_presenter_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 describe InstancePresenter do
diff --git a/spec/rails_helper.rb b/spec/rails_helper.rb
index 9a14fc3b1..70d3a968c 100644
--- a/spec/rails_helper.rb
+++ b/spec/rails_helper.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 ENV['RAILS_ENV'] ||= 'test'
 require File.expand_path('../config/environment', __dir__)
 
@@ -71,11 +73,11 @@ end
 RSpec::Matchers.define_negated_matcher :not_change, :change
 
 def request_fixture(name)
-  File.read(Rails.root.join('spec', 'fixtures', 'requests', name))
+  Rails.root.join('spec', 'fixtures', 'requests', name).read
 end
 
 def attachment_fixture(name)
-  File.open(Rails.root.join('spec', 'fixtures', 'files', name))
+  Rails.root.join('spec', 'fixtures', 'files', name).open
 end
 
 def stub_jsonld_contexts!
diff --git a/spec/requests/catch_all_route_request_spec.rb b/spec/requests/catch_all_route_request_spec.rb
index fb18965d8..e600bedfe 100644
--- a/spec/requests/catch_all_route_request_spec.rb
+++ b/spec/requests/catch_all_route_request_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 describe 'The catch all route' do
@@ -5,7 +7,7 @@ describe 'The catch all route' do
     it 'returns a 404 page as html' do
       get '/test'
 
-      expect(response.status).to eq 404
+      expect(response).to have_http_status 404
       expect(response.media_type).to eq 'text/html'
     end
   end
@@ -14,7 +16,7 @@ describe 'The catch all route' do
     it 'returns a 404 page as html' do
       get '/test.test'
 
-      expect(response.status).to eq 404
+      expect(response).to have_http_status 404
       expect(response.media_type).to eq 'text/html'
     end
   end
diff --git a/spec/requests/host_meta_request_spec.rb b/spec/requests/host_meta_request_spec.rb
index 60153ba8c..ec26ecba7 100644
--- a/spec/requests/host_meta_request_spec.rb
+++ b/spec/requests/host_meta_request_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 describe 'The host_meta route' do
diff --git a/spec/requests/webfinger_request_spec.rb b/spec/requests/webfinger_request_spec.rb
index 209fda72a..68a1478be 100644
--- a/spec/requests/webfinger_request_spec.rb
+++ b/spec/requests/webfinger_request_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 describe 'The webfinger route' do
diff --git a/spec/routing/accounts_routing_spec.rb b/spec/routing/accounts_routing_spec.rb
index 3f0e9b3e9..8b2c124fd 100644
--- a/spec/routing/accounts_routing_spec.rb
+++ b/spec/routing/accounts_routing_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 describe 'Routes under accounts/' do
diff --git a/spec/routing/well_known_routes_spec.rb b/spec/routing/well_known_routes_spec.rb
index 747463351..8cf08c13c 100644
--- a/spec/routing/well_known_routes_spec.rb
+++ b/spec/routing/well_known_routes_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 describe 'Well Known routes' do
diff --git a/spec/serializers/activitypub/note_spec.rb b/spec/serializers/activitypub/note_serializer_spec.rb
index 55bfbc16b..7ea47baef 100644
--- a/spec/serializers/activitypub/note_spec.rb
+++ b/spec/serializers/activitypub/note_serializer_spec.rb
@@ -3,6 +3,8 @@
 require 'rails_helper'
 
 describe ActivityPub::NoteSerializer do
+  subject { JSON.parse(@serialization.to_json) }
+
   let!(:account) { Fabricate(:account) }
   let!(:other)   { Fabricate(:account) }
   let!(:parent)  { Fabricate(:status, account: account, visibility: :public) }
@@ -16,8 +18,6 @@ describe ActivityPub::NoteSerializer do
     @serialization = ActiveModelSerializers::SerializableResource.new(parent, serializer: ActivityPub::NoteSerializer, adapter: ActivityPub::Adapter)
   end
 
-  subject { JSON.parse(@serialization.to_json) }
-
   it 'has a Note type' do
     expect(subject['type']).to eql('Note')
   end
diff --git a/spec/serializers/activitypub/update_poll_spec.rb b/spec/serializers/activitypub/update_poll_serializer_spec.rb
index f9e035eab..4360808b5 100644
--- a/spec/serializers/activitypub/update_poll_spec.rb
+++ b/spec/serializers/activitypub/update_poll_serializer_spec.rb
@@ -3,6 +3,8 @@
 require 'rails_helper'
 
 describe ActivityPub::UpdatePollSerializer do
+  subject { JSON.parse(@serialization.to_json) }
+
   let(:account) { Fabricate(:account) }
   let(:poll)    { Fabricate(:poll, account: account) }
   let!(:status) { Fabricate(:status, account: account, poll: poll) }
@@ -11,8 +13,6 @@ describe ActivityPub::UpdatePollSerializer do
     @serialization = ActiveModelSerializers::SerializableResource.new(status, serializer: ActivityPub::UpdatePollSerializer, adapter: ActivityPub::Adapter)
   end
 
-  subject { JSON.parse(@serialization.to_json) }
-
   it 'has a Update type' do
     expect(subject['type']).to eql('Update')
   end
diff --git a/spec/serializers/rest/account_serializer_spec.rb b/spec/serializers/rest/account_serializer_spec.rb
index 3bca06b73..528639943 100644
--- a/spec/serializers/rest/account_serializer_spec.rb
+++ b/spec/serializers/rest/account_serializer_spec.rb
@@ -3,12 +3,12 @@
 require 'rails_helper'
 
 describe REST::AccountSerializer do
+  subject { JSON.parse(ActiveModelSerializers::SerializableResource.new(account, serializer: REST::AccountSerializer).to_json) }
+
   let(:role)    { Fabricate(:user_role, name: 'Role', highlighted: true) }
   let(:user)    { Fabricate(:user, role: role) }
   let(:account) { user.account }
 
-  subject { JSON.parse(ActiveModelSerializers::SerializableResource.new(account, serializer: REST::AccountSerializer).to_json) }
-
   context 'when the account is suspended' do
     before do
       account.suspend!
diff --git a/spec/services/account_search_service_spec.rb b/spec/services/account_search_service_spec.rb
index d3b5baad6..bb819bb6c 100644
--- a/spec/services/account_search_service_spec.rb
+++ b/spec/services/account_search_service_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 describe AccountSearchService, type: :service do
@@ -63,7 +65,7 @@ describe AccountSearchService, type: :service do
         allow(ResolveAccountService).to receive(:new).and_return(service)
 
         results = subject.call('newuser@remote.com', nil, limit: 10, resolve: false)
-        expect(service).not_to have_received(:call)
+        expect(service).to_not have_received(:call)
       end
     end
 
diff --git a/spec/services/account_statuses_cleanup_service_spec.rb b/spec/services/account_statuses_cleanup_service_spec.rb
index a30e14ab6..e83063f73 100644
--- a/spec/services/account_statuses_cleanup_service_spec.rb
+++ b/spec/services/account_statuses_cleanup_service_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 describe AccountStatusesCleanupService, type: :service do
diff --git a/spec/services/activitypub/fetch_featured_collection_service_spec.rb b/spec/services/activitypub/fetch_featured_collection_service_spec.rb
index 23d90a9a2..59d332599 100644
--- a/spec/services/activitypub/fetch_featured_collection_service_spec.rb
+++ b/spec/services/activitypub/fetch_featured_collection_service_spec.rb
@@ -1,6 +1,10 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe ActivityPub::FetchFeaturedCollectionService, type: :service do
+  subject { described_class.new }
+
   let(:actor) { Fabricate(:account, domain: 'example.com', uri: 'https://example.com/account', featured_collection_url: 'https://example.com/account/pinned') }
 
   let!(:known_status) { Fabricate(:status, account: actor, uri: 'https://example.com/account/pinned/1') }
@@ -56,8 +60,6 @@ RSpec.describe ActivityPub::FetchFeaturedCollectionService, type: :service do
     }.with_indifferent_access
   end
 
-  subject { described_class.new }
-
   shared_examples 'sets pinned posts' do
     before do
       stub_request(:get, 'https://example.com/account/pinned/1').to_return(status: 200, body: Oj.dump(status_json_1))
diff --git a/spec/services/activitypub/fetch_featured_tags_collection_service_spec.rb b/spec/services/activitypub/fetch_featured_tags_collection_service_spec.rb
index 692866bce..071e4d92d 100644
--- a/spec/services/activitypub/fetch_featured_tags_collection_service_spec.rb
+++ b/spec/services/activitypub/fetch_featured_tags_collection_service_spec.rb
@@ -1,6 +1,10 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe ActivityPub::FetchFeaturedTagsCollectionService, type: :service do
+  subject { described_class.new }
+
   let(:collection_url) { 'https://example.com/account/tags' }
   let(:actor) { Fabricate(:account, domain: 'example.com', uri: 'https://example.com/account') }
 
@@ -21,15 +25,13 @@ RSpec.describe ActivityPub::FetchFeaturedTagsCollectionService, type: :service d
     }.with_indifferent_access
   end
 
-  subject { described_class.new }
-
   shared_examples 'sets featured tags' do
     before do
       subject.call(actor, collection_url)
     end
 
     it 'sets expected tags as pinned tags' do
-      expect(actor.featured_tags.map(&:display_name)).to match_array ['Foo', 'bar', 'baZ']
+      expect(actor.featured_tags.map(&:display_name)).to match_array %w(Foo bar baZ)
     end
   end
 
diff --git a/spec/services/activitypub/fetch_remote_account_service_spec.rb b/spec/services/activitypub/fetch_remote_account_service_spec.rb
index ec6f1f41d..868bc2a58 100644
--- a/spec/services/activitypub/fetch_remote_account_service_spec.rb
+++ b/spec/services/activitypub/fetch_remote_account_service_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe ActivityPub::FetchRemoteAccountService, type: :service do
diff --git a/spec/services/activitypub/fetch_remote_actor_service_spec.rb b/spec/services/activitypub/fetch_remote_actor_service_spec.rb
index 20117c66d..a72c6941e 100644
--- a/spec/services/activitypub/fetch_remote_actor_service_spec.rb
+++ b/spec/services/activitypub/fetch_remote_actor_service_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe ActivityPub::FetchRemoteActorService, type: :service do
diff --git a/spec/services/activitypub/fetch_remote_key_service_spec.rb b/spec/services/activitypub/fetch_remote_key_service_spec.rb
index 3186c4270..0ec0c2736 100644
--- a/spec/services/activitypub/fetch_remote_key_service_spec.rb
+++ b/spec/services/activitypub/fetch_remote_key_service_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe ActivityPub::FetchRemoteKeyService, type: :service do
diff --git a/spec/services/activitypub/fetch_remote_status_service_spec.rb b/spec/services/activitypub/fetch_remote_status_service_spec.rb
index 4f3503ac2..1c39db21f 100644
--- a/spec/services/activitypub/fetch_remote_status_service_spec.rb
+++ b/spec/services/activitypub/fetch_remote_status_service_spec.rb
@@ -1,8 +1,12 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe ActivityPub::FetchRemoteStatusService, type: :service do
   include ActionView::Helpers::TextHelper
 
+  subject { described_class.new }
+
   let!(:sender) { Fabricate(:account, domain: 'foo.bar', uri: 'https://foo.bar') }
   let!(:recipient) { Fabricate(:account) }
 
@@ -18,8 +22,6 @@ RSpec.describe ActivityPub::FetchRemoteStatusService, type: :service do
     }
   end
 
-  subject { described_class.new }
-
   before do
     stub_request(:get, 'https://foo.bar/watch?v=12345').to_return(status: 404, body: '')
     stub_request(:get, object[:id]).to_return(body: Oj.dump(object))
diff --git a/spec/services/activitypub/fetch_replies_service_spec.rb b/spec/services/activitypub/fetch_replies_service_spec.rb
index 5741e0c3f..bf8e29676 100644
--- a/spec/services/activitypub/fetch_replies_service_spec.rb
+++ b/spec/services/activitypub/fetch_replies_service_spec.rb
@@ -1,6 +1,10 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe ActivityPub::FetchRepliesService, type: :service do
+  subject { described_class.new }
+
   let(:actor)          { Fabricate(:account, domain: 'example.com', uri: 'http://example.com/account') }
   let(:status)         { Fabricate(:status, account: actor) }
   let(:collection_uri) { 'http://example.com/replies/1' }
@@ -28,8 +32,6 @@ RSpec.describe ActivityPub::FetchRepliesService, type: :service do
     }.with_indifferent_access
   end
 
-  subject { described_class.new }
-
   describe '#call' do
     context 'when the payload is a Collection with inlined replies' do
       context 'when passing the collection itself' do
diff --git a/spec/services/activitypub/process_account_service_spec.rb b/spec/services/activitypub/process_account_service_spec.rb
index d0af7de76..491b8ed5a 100644
--- a/spec/services/activitypub/process_account_service_spec.rb
+++ b/spec/services/activitypub/process_account_service_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe ActivityPub::ProcessAccountService, type: :service do
@@ -12,7 +14,7 @@ RSpec.describe ActivityPub::ProcessAccountService, type: :service do
         attachment: [
           { type: 'PropertyValue', name: 'Pronouns', value: 'They/them' },
           { type: 'PropertyValue', name: 'Occupation', value: 'Unit test' },
-          { type: 'PropertyValue', name: 'non-string', value: ['foo', 'bar'] },
+          { type: 'PropertyValue', name: 'non-string', value: %w(foo bar) },
         ],
       }.with_indifferent_access
     end
@@ -31,6 +33,8 @@ RSpec.describe ActivityPub::ProcessAccountService, type: :service do
   end
 
   context 'when account is not suspended' do
+    subject { described_class.new.call('alice', 'example.com', payload) }
+
     let!(:account) { Fabricate(:account, username: 'alice', domain: 'example.com') }
 
     let(:payload) do
@@ -46,8 +50,6 @@ RSpec.describe ActivityPub::ProcessAccountService, type: :service do
       allow(Admin::SuspensionWorker).to receive(:perform_async)
     end
 
-    subject { described_class.new.call('alice', 'example.com', payload) }
-
     it 'suspends account remotely' do
       expect(subject.suspended?).to be true
       expect(subject.suspension_origin_remote?).to be true
@@ -60,6 +62,8 @@ RSpec.describe ActivityPub::ProcessAccountService, type: :service do
   end
 
   context 'when account is suspended' do
+    subject { described_class.new.call('alice', 'example.com', payload) }
+
     let!(:account) { Fabricate(:account, username: 'alice', domain: 'example.com', display_name: '') }
 
     let(:payload) do
@@ -78,8 +82,6 @@ RSpec.describe ActivityPub::ProcessAccountService, type: :service do
       account.suspend!(origin: suspension_origin)
     end
 
-    subject { described_class.new.call('alice', 'example.com', payload) }
-
     context 'locally' do
       let(:suspension_origin) { :local }
 
diff --git a/spec/services/activitypub/process_collection_service_spec.rb b/spec/services/activitypub/process_collection_service_spec.rb
index fbfa6d6c6..1433d0c50 100644
--- a/spec/services/activitypub/process_collection_service_spec.rb
+++ b/spec/services/activitypub/process_collection_service_spec.rb
@@ -1,6 +1,10 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe ActivityPub::ProcessCollectionService, type: :service do
+  subject { described_class.new }
+
   let(:actor) { Fabricate(:account, domain: 'example.com', uri: 'http://example.com/account') }
 
   let(:payload) do
@@ -19,8 +23,6 @@ RSpec.describe ActivityPub::ProcessCollectionService, type: :service do
 
   let(:json) { Oj.dump(payload) }
 
-  subject { described_class.new }
-
   describe '#call' do
     context 'when actor is suspended' do
       before do
@@ -39,7 +41,7 @@ RSpec.describe ActivityPub::ProcessCollectionService, type: :service do
           end
 
           it 'does not process payload' do
-            expect(ActivityPub::Activity).not_to receive(:factory)
+            expect(ActivityPub::Activity).to_not receive(:factory)
             subject.call(json, actor)
           end
         end
@@ -69,7 +71,7 @@ RSpec.describe ActivityPub::ProcessCollectionService, type: :service do
 
       it 'does not process payload if no signature exists' do
         expect_any_instance_of(ActivityPub::LinkedDataSignature).to receive(:verify_actor!).and_return(nil)
-        expect(ActivityPub::Activity).not_to receive(:factory)
+        expect(ActivityPub::Activity).to_not receive(:factory)
 
         subject.call(json, forwarder)
       end
@@ -87,7 +89,7 @@ RSpec.describe ActivityPub::ProcessCollectionService, type: :service do
         payload['signature'] = { 'type' => 'RsaSignature2017' }
 
         expect_any_instance_of(ActivityPub::LinkedDataSignature).to receive(:verify_actor!).and_return(nil)
-        expect(ActivityPub::Activity).not_to receive(:factory)
+        expect(ActivityPub::Activity).to_not receive(:factory)
 
         subject.call(json, forwarder)
       end
@@ -206,7 +208,7 @@ RSpec.describe ActivityPub::ProcessCollectionService, type: :service do
         end
 
         it 'does not process forged payload' do
-          expect(ActivityPub::Activity).not_to receive(:factory).with(
+          expect(ActivityPub::Activity).to_not receive(:factory).with(
             hash_including(
               'object' => hash_including(
                 'id' => 'https://example.com/users/bob/fake-status'
@@ -216,7 +218,7 @@ RSpec.describe ActivityPub::ProcessCollectionService, type: :service do
             anything
           )
 
-          expect(ActivityPub::Activity).not_to receive(:factory).with(
+          expect(ActivityPub::Activity).to_not receive(:factory).with(
             hash_including(
               'object' => hash_including(
                 'content' => '<p>puck was here</p>'
diff --git a/spec/services/activitypub/process_status_update_service_spec.rb b/spec/services/activitypub/process_status_update_service_spec.rb
index 5d15f6ffe..e9f23b9cf 100644
--- a/spec/services/activitypub/process_status_update_service_spec.rb
+++ b/spec/services/activitypub/process_status_update_service_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 def poll_option_json(name, votes)
@@ -5,21 +7,9 @@ def poll_option_json(name, votes)
 end
 
 RSpec.describe ActivityPub::ProcessStatusUpdateService, type: :service do
-  let!(:status) { Fabricate(:status, text: 'Hello world', account: Fabricate(:account, domain: 'example.com')) }
-
-  let(:alice) { Fabricate(:account) }
-  let(:bob) { Fabricate(:account) }
-
-  let(:mentions) { [] }
-  let(:tags) { [] }
-  let(:media_attachments) { [] }
-
-  before do
-    mentions.each { |a| Fabricate(:mention, status: status, account: a) }
-    tags.each { |t| status.tags << t }
-    media_attachments.each { |m| status.media_attachments << m }
-  end
+  subject { described_class.new }
 
+  let!(:status) { Fabricate(:status, text: 'Hello world', account: Fabricate(:account, domain: 'example.com')) }
   let(:payload) do
     {
       '@context': 'https://www.w3.org/ns/activitystreams',
@@ -34,10 +24,20 @@ RSpec.describe ActivityPub::ProcessStatusUpdateService, type: :service do
       ],
     }
   end
-
   let(:json) { Oj.load(Oj.dump(payload)) }
 
-  subject { described_class.new }
+  let(:alice) { Fabricate(:account) }
+  let(:bob) { Fabricate(:account) }
+
+  let(:mentions) { [] }
+  let(:tags) { [] }
+  let(:media_attachments) { [] }
+
+  before do
+    mentions.each { |a| Fabricate(:mention, status: status, account: a) }
+    tags.each { |t| status.tags << t }
+    media_attachments.each { |m| status.media_attachments << m }
+  end
 
   describe '#call' do
     it 'updates text' do
@@ -214,11 +214,11 @@ RSpec.describe ActivityPub::ProcessStatusUpdateService, type: :service do
       end
 
       it 'does not create any edits' do
-        expect { subject.call(status, json) }.not_to change { status.reload.edits.pluck(&:id) }
+        expect { subject.call(status, json) }.to_not change { status.reload.edits.pluck(&:id) }
       end
 
       it 'does not update the text, spoiler_text or edited_at' do
-        expect { subject.call(status, json) }.not_to change { s = status.reload; [s.text, s.spoiler_text, s.edited_at] }
+        expect { subject.call(status, json) }.to_not change { s = status.reload; [s.text, s.spoiler_text, s.edited_at] }
       end
     end
 
@@ -412,7 +412,7 @@ RSpec.describe ActivityPub::ProcessStatusUpdateService, type: :service do
       end
 
       it 'removes poll' do
-        expect(status.reload.poll).to eq nil
+        expect(status.reload.poll).to be_nil
       end
 
       it 'records media change in edit' do
diff --git a/spec/services/activitypub/synchronize_followers_service_spec.rb b/spec/services/activitypub/synchronize_followers_service_spec.rb
index 5a37f0733..c9a513e24 100644
--- a/spec/services/activitypub/synchronize_followers_service_spec.rb
+++ b/spec/services/activitypub/synchronize_followers_service_spec.rb
@@ -1,6 +1,10 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe ActivityPub::SynchronizeFollowersService, type: :service do
+  subject { described_class.new }
+
   let(:actor)          { Fabricate(:account, domain: 'example.com', uri: 'http://example.com/account', inbox_url: 'http://example.com/inbox') }
   let(:alice)          { Fabricate(:account, username: 'alice') }
   let(:bob)            { Fabricate(:account, username: 'bob') }
@@ -25,8 +29,6 @@ RSpec.describe ActivityPub::SynchronizeFollowersService, type: :service do
     }.with_indifferent_access
   end
 
-  subject { described_class.new }
-
   shared_examples 'synchronizes followers' do
     before do
       alice.follow!(actor)
diff --git a/spec/services/after_block_domain_from_account_service_spec.rb b/spec/services/after_block_domain_from_account_service_spec.rb
index 006e3f4d2..b75f92372 100644
--- a/spec/services/after_block_domain_from_account_service_spec.rb
+++ b/spec/services/after_block_domain_from_account_service_spec.rb
@@ -1,11 +1,13 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe AfterBlockDomainFromAccountService, type: :service do
+  subject { AfterBlockDomainFromAccountService.new }
+
   let!(:wolf) { Fabricate(:account, username: 'wolf', domain: 'evil.org', inbox_url: 'https://evil.org/inbox', protocol: :activitypub) }
   let!(:alice) { Fabricate(:account, username: 'alice') }
 
-  subject { AfterBlockDomainFromAccountService.new }
-
   before do
     stub_jsonld_contexts!
     allow(ActivityPub::DeliveryWorker).to receive(:perform_async)
diff --git a/spec/services/after_block_service_spec.rb b/spec/services/after_block_service_spec.rb
index 337766d06..d81bba1d8 100644
--- a/spec/services/after_block_service_spec.rb
+++ b/spec/services/after_block_service_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe AfterBlockService, type: :service do
diff --git a/spec/services/app_sign_up_service_spec.rb b/spec/services/app_sign_up_service_spec.rb
index 8ec4d4a7a..253230496 100644
--- a/spec/services/app_sign_up_service_spec.rb
+++ b/spec/services/app_sign_up_service_spec.rb
@@ -1,12 +1,14 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe AppSignUpService, type: :service do
+  subject { described_class.new }
+
   let(:app) { Fabricate(:application, scopes: 'read write') }
   let(:good_params) { { username: 'alice', password: '12345678', email: 'good@email.com', agreement: true } }
   let(:remote_ip) { IPAddr.new('198.0.2.1') }
 
-  subject { described_class.new }
-
   describe '#call' do
     it 'returns nil when registrations are closed' do
       tmp = Setting.registrations_mode
diff --git a/spec/services/authorize_follow_service_spec.rb b/spec/services/authorize_follow_service_spec.rb
index 888d694b6..63d9e2a0f 100644
--- a/spec/services/authorize_follow_service_spec.rb
+++ b/spec/services/authorize_follow_service_spec.rb
@@ -1,10 +1,12 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe AuthorizeFollowService, type: :service do
-  let(:sender) { Fabricate(:account, username: 'alice') }
-
   subject { AuthorizeFollowService.new }
 
+  let(:sender) { Fabricate(:account, username: 'alice') }
+
   describe 'local' do
     let(:bob) { Fabricate(:account, username: 'bob') }
 
diff --git a/spec/services/batched_remove_status_service_spec.rb b/spec/services/batched_remove_status_service_spec.rb
index 920edeb13..9bedf3744 100644
--- a/spec/services/batched_remove_status_service_spec.rb
+++ b/spec/services/batched_remove_status_service_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe BatchedRemoveStatusService, type: :service do
diff --git a/spec/services/block_domain_service_spec.rb b/spec/services/block_domain_service_spec.rb
index 242b02fff..0ab97b8ce 100644
--- a/spec/services/block_domain_service_spec.rb
+++ b/spec/services/block_domain_service_spec.rb
@@ -1,14 +1,16 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe BlockDomainService, type: :service do
+  subject { BlockDomainService.new }
+
   let!(:bad_account) { Fabricate(:account, username: 'badguy666', domain: 'evil.org') }
   let!(:bad_status1) { Fabricate(:status, account: bad_account, text: 'You suck') }
   let!(:bad_status2) { Fabricate(:status, account: bad_account, text: 'Hahaha') }
   let!(:bad_attachment) { Fabricate(:media_attachment, account: bad_account, status: bad_status2, file: attachment_fixture('attachment.jpg')) }
   let!(:already_banned_account) { Fabricate(:account, username: 'badguy', domain: 'evil.org', suspended: true, silenced: true) }
 
-  subject { BlockDomainService.new }
-
   describe 'for a suspension' do
     before do
       subject.call(DomainBlock.create!(domain: 'evil.org', severity: :suspend))
@@ -67,9 +69,9 @@ RSpec.describe BlockDomainService, type: :service do
     end
 
     it 'leaves the domains status and attachments, but clears media' do
-      expect { bad_status1.reload }.not_to raise_error
-      expect { bad_status2.reload }.not_to raise_error
-      expect { bad_attachment.reload }.not_to raise_error
+      expect { bad_status1.reload }.to_not raise_error
+      expect { bad_status2.reload }.to_not raise_error
+      expect { bad_attachment.reload }.to_not raise_error
       expect(bad_attachment.file.exists?).to be false
     end
   end
diff --git a/spec/services/block_service_spec.rb b/spec/services/block_service_spec.rb
index a53e1f928..75f07f5ad 100644
--- a/spec/services/block_service_spec.rb
+++ b/spec/services/block_service_spec.rb
@@ -1,10 +1,12 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe BlockService, type: :service do
-  let(:sender) { Fabricate(:account, username: 'alice') }
-
   subject { BlockService.new }
 
+  let(:sender) { Fabricate(:account, username: 'alice') }
+
   describe 'local' do
     let(:bob) { Fabricate(:account, username: 'bob') }
 
diff --git a/spec/services/bootstrap_timeline_service_spec.rb b/spec/services/bootstrap_timeline_service_spec.rb
index 149f6e6df..670ac652f 100644
--- a/spec/services/bootstrap_timeline_service_spec.rb
+++ b/spec/services/bootstrap_timeline_service_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe BootstrapTimelineService, type: :service do
diff --git a/spec/services/clear_domain_media_service_spec.rb b/spec/services/clear_domain_media_service_spec.rb
index 45b92e2c9..987507579 100644
--- a/spec/services/clear_domain_media_service_spec.rb
+++ b/spec/services/clear_domain_media_service_spec.rb
@@ -1,22 +1,24 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe ClearDomainMediaService, type: :service do
+  subject { ClearDomainMediaService.new }
+
   let!(:bad_account) { Fabricate(:account, username: 'badguy666', domain: 'evil.org') }
   let!(:bad_status1) { Fabricate(:status, account: bad_account, text: 'You suck') }
   let!(:bad_status2) { Fabricate(:status, account: bad_account, text: 'Hahaha') }
   let!(:bad_attachment) { Fabricate(:media_attachment, account: bad_account, status: bad_status2, file: attachment_fixture('attachment.jpg')) }
 
-  subject { ClearDomainMediaService.new }
-
   describe 'for a silence with reject media' do
     before do
       subject.call(DomainBlock.create!(domain: 'evil.org', severity: :silence, reject_media: true))
     end
 
     it 'leaves the domains status and attachments, but clears media' do
-      expect { bad_status1.reload }.not_to raise_error
-      expect { bad_status2.reload }.not_to raise_error
-      expect { bad_attachment.reload }.not_to raise_error
+      expect { bad_status1.reload }.to_not raise_error
+      expect { bad_status2.reload }.to_not raise_error
+      expect { bad_attachment.reload }.to_not raise_error
       expect(bad_attachment.file.exists?).to be false
     end
   end
diff --git a/spec/services/delete_account_service_spec.rb b/spec/services/delete_account_service_spec.rb
index cc4b168fc..61e5c3c9b 100644
--- a/spec/services/delete_account_service_spec.rb
+++ b/spec/services/delete_account_service_spec.rb
@@ -1,7 +1,11 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe DeleteAccountService, type: :service do
   shared_examples 'common behavior' do
+    subject { described_class.new.call(account) }
+
     let!(:status) { Fabricate(:status, account: account) }
     let!(:mention) { Fabricate(:mention, account: local_follower) }
     let!(:status_with_mention) { Fabricate(:status, account: account, mentions: [mention]) }
@@ -23,8 +27,6 @@ RSpec.describe DeleteAccountService, type: :service do
 
     let!(:account_note) { Fabricate(:account_note, account: account) }
 
-    subject { described_class.new.call(account) }
-
     it 'deletes associated owned records' do
       expect { subject }.to change {
         [
@@ -50,9 +52,9 @@ RSpec.describe DeleteAccountService, type: :service do
 
     it 'deletes associated target notifications' do
       expect { subject }.to change {
-        [
-          'poll', 'favourite', 'status', 'mention', 'follow'
-        ].map { |type| Notification.where(type: type).count }
+        %w(
+          poll favourite status mention follow
+        ).map { |type| Notification.where(type: type).count }
       }.from([1, 1, 1, 1, 1]).to([0, 0, 0, 0, 0])
     end
   end
diff --git a/spec/services/fan_out_on_write_service_spec.rb b/spec/services/fan_out_on_write_service_spec.rb
index 59e15d230..3b554f9ea 100644
--- a/spec/services/fan_out_on_write_service_spec.rb
+++ b/spec/services/fan_out_on_write_service_spec.rb
@@ -1,16 +1,17 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe FanOutOnWriteService, type: :service do
+  subject { described_class.new }
+
   let(:last_active_at) { Time.now.utc }
+  let(:status) { Fabricate(:status, account: alice, visibility: visibility, text: 'Hello @bob #hoge') }
 
   let!(:alice) { Fabricate(:user, current_sign_in_at: last_active_at).account }
   let!(:bob)   { Fabricate(:user, current_sign_in_at: last_active_at, account_attributes: { username: 'bob' }).account }
   let!(:tom)   { Fabricate(:user, current_sign_in_at: last_active_at).account }
 
-  subject { described_class.new }
-
-  let(:status) { Fabricate(:status, account: alice, visibility: visibility, text: 'Hello @bob #hoge') }
-
   before do
     bob.follow!(alice)
     tom.follow!(alice)
diff --git a/spec/services/favourite_service_spec.rb b/spec/services/favourite_service_spec.rb
index 8703c2af8..613ae203e 100644
--- a/spec/services/favourite_service_spec.rb
+++ b/spec/services/favourite_service_spec.rb
@@ -1,10 +1,12 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe FavouriteService, type: :service do
-  let(:sender) { Fabricate(:account, username: 'alice') }
-
   subject { FavouriteService.new }
 
+  let(:sender) { Fabricate(:account, username: 'alice') }
+
   describe 'local' do
     let(:bob)    { Fabricate(:account) }
     let(:status) { Fabricate(:status, account: bob) }
diff --git a/spec/services/fetch_link_card_service_spec.rb b/spec/services/fetch_link_card_service_spec.rb
index 458473c39..d79ab7a43 100644
--- a/spec/services/fetch_link_card_service_spec.rb
+++ b/spec/services/fetch_link_card_service_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe FetchLinkCardService, type: :service do
diff --git a/spec/services/fetch_oembed_service_spec.rb b/spec/services/fetch_oembed_service_spec.rb
index cf46f2d39..8a0b49222 100644
--- a/spec/services/fetch_oembed_service_spec.rb
+++ b/spec/services/fetch_oembed_service_spec.rb
@@ -62,7 +62,7 @@ describe FetchOEmbedService, type: :service do
 
         it 'does not cache OEmbed endpoint' do
           subject.call('https://host.test/oembed.html', format: :xml)
-          expect(Rails.cache.exist?('oembed_endpoint:host.test')).to eq false
+          expect(Rails.cache.exist?('oembed_endpoint:host.test')).to be false
         end
       end
 
@@ -83,7 +83,7 @@ describe FetchOEmbedService, type: :service do
 
         it 'does not cache OEmbed endpoint' do
           subject.call('https://host.test/oembed.html')
-          expect(Rails.cache.exist?('oembed_endpoint:host.test')).to eq false
+          expect(Rails.cache.exist?('oembed_endpoint:host.test')).to be false
         end
       end
 
@@ -104,7 +104,7 @@ describe FetchOEmbedService, type: :service do
 
         it 'does not cache OEmbed endpoint' do
           subject.call('https://host.test/oembed.html')
-          expect(Rails.cache.exist?('oembed_endpoint:host.test')).to eq false
+          expect(Rails.cache.exist?('oembed_endpoint:host.test')).to be false
         end
       end
 
diff --git a/spec/services/fetch_remote_status_service_spec.rb b/spec/services/fetch_remote_status_service_spec.rb
index 02c62f8d6..694a75dc2 100644
--- a/spec/services/fetch_remote_status_service_spec.rb
+++ b/spec/services/fetch_remote_status_service_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe FetchRemoteStatusService, type: :service do
@@ -16,6 +18,7 @@ RSpec.describe FetchRemoteStatusService, type: :service do
 
   context 'protocol is :activitypub' do
     subject { described_class.new.call(note[:id], prefetched_body: prefetched_body) }
+
     let(:prefetched_body) { Oj.dump(note) }
 
     before do
diff --git a/spec/services/fetch_resource_service_spec.rb b/spec/services/fetch_resource_service_spec.rb
index c39f52632..da7e42351 100644
--- a/spec/services/fetch_resource_service_spec.rb
+++ b/spec/services/fetch_resource_service_spec.rb
@@ -1,11 +1,13 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe FetchResourceService, type: :service do
   describe '#call' do
-    let(:url) { 'http://example.com' }
-
     subject { described_class.new.call(url) }
 
+    let(:url) { 'http://example.com' }
+
     context 'with blank url' do
       let(:url) { '' }
 
@@ -74,7 +76,7 @@ RSpec.describe FetchResourceService, type: :service do
       context 'when content type is application/atom+xml' do
         let(:content_type) { 'application/atom+xml' }
 
-        it { is_expected.to eq nil }
+        it { is_expected.to be_nil }
       end
 
       context 'when content type is activity+json' do
diff --git a/spec/services/follow_service_spec.rb b/spec/services/follow_service_spec.rb
index 59073c27f..67a8b2c54 100644
--- a/spec/services/follow_service_spec.rb
+++ b/spec/services/follow_service_spec.rb
@@ -1,10 +1,12 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe FollowService, type: :service do
-  let(:sender) { Fabricate(:account, username: 'alice') }
-
   subject { FollowService.new }
 
+  let(:sender) { Fabricate(:account, username: 'alice') }
+
   context 'local account' do
     describe 'locked account' do
       let(:bob) { Fabricate(:account, locked: true, username: 'bob') }
diff --git a/spec/services/import_service_spec.rb b/spec/services/import_service_spec.rb
index a12148833..f081f2d9d 100644
--- a/spec/services/import_service_spec.rb
+++ b/spec/services/import_service_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe ImportService, type: :service do
@@ -183,15 +185,14 @@ RSpec.describe ImportService, type: :service do
     subject { ImportService.new }
 
     let!(:nare) { Fabricate(:account, username: 'nare', domain: 'թութ.հայ', locked: false, protocol: :activitypub, inbox_url: 'https://թութ.հայ/inbox') }
+    let(:csv) { attachment_fixture('utf8-followers.txt') }
+    let(:import) { Import.create(account: account, type: 'following', data: csv) }
 
     # Make sure to not actually go to the remote server
     before do
       stub_request(:post, 'https://թութ.հայ/inbox').to_return(status: 200)
     end
 
-    let(:csv) { attachment_fixture('utf8-followers.txt') }
-    let(:import) { Import.create(account: account, type: 'following', data: csv) }
-
     it 'follows the listed account' do
       expect(account.follow_requests.count).to eq 0
       subject.call(import)
@@ -203,6 +204,9 @@ RSpec.describe ImportService, type: :service do
     subject { ImportService.new }
 
     let(:csv) { attachment_fixture('bookmark-imports.txt') }
+    let(:local_account)  { Fabricate(:account, username: 'foo', domain: '') }
+    let!(:remote_status) { Fabricate(:status, uri: 'https://example.com/statuses/1312') }
+    let!(:direct_status) { Fabricate(:status, uri: 'https://example.com/statuses/direct', visibility: :direct) }
 
     around(:each) do |example|
       local_before = Rails.configuration.x.local_domain
@@ -214,10 +218,6 @@ RSpec.describe ImportService, type: :service do
       Rails.configuration.x.local_domain = local_before
     end
 
-    let(:local_account)  { Fabricate(:account, username: 'foo', domain: '') }
-    let!(:remote_status) { Fabricate(:status, uri: 'https://example.com/statuses/1312') }
-    let!(:direct_status) { Fabricate(:status, uri: 'https://example.com/statuses/direct', visibility: :direct) }
-
     before do
       service = double
       allow(ActivityPub::FetchRemoteStatusService).to receive(:new).and_return(service)
@@ -234,7 +234,7 @@ RSpec.describe ImportService, type: :service do
         subject.call(import)
         expect(account.bookmarks.map(&:status).map(&:id)).to include(local_status.id)
         expect(account.bookmarks.map(&:status).map(&:id)).to include(remote_status.id)
-        expect(account.bookmarks.map(&:status).map(&:id)).not_to include(direct_status.id)
+        expect(account.bookmarks.map(&:status).map(&:id)).to_not include(direct_status.id)
         expect(account.bookmarks.count).to eq 3
       end
     end
diff --git a/spec/services/mute_service_spec.rb b/spec/services/mute_service_spec.rb
index 57d8c41de..50f74ff27 100644
--- a/spec/services/mute_service_spec.rb
+++ b/spec/services/mute_service_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe MuteService, type: :service do
diff --git a/spec/services/notify_service_spec.rb b/spec/services/notify_service_spec.rb
index 67dd0483b..da2857627 100644
--- a/spec/services/notify_service_spec.rb
+++ b/spec/services/notify_service_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe NotifyService, type: :service do
diff --git a/spec/services/post_status_service_spec.rb b/spec/services/post_status_service_spec.rb
index 0b72253a5..33153c3d0 100644
--- a/spec/services/post_status_service_spec.rb
+++ b/spec/services/post_status_service_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe PostStatusService, type: :service do
@@ -50,7 +52,7 @@ RSpec.describe PostStatusService, type: :service do
     end
 
     it 'does not change statuses count' do
-      expect { subject.call(account, text: 'Hi future!', scheduled_at: future, thread: previous_status) }.not_to change { [account.statuses_count, previous_status.replies_count] }
+      expect { subject.call(account, text: 'Hi future!', scheduled_at: future, thread: previous_status) }.to_not change { [account.statuses_count, previous_status.replies_count] }
     end
   end
 
@@ -157,7 +159,7 @@ RSpec.describe PostStatusService, type: :service do
 
     expect do
       subject.call(account, text: '@alice @alice @alice hey @alice')
-    end.not_to raise_error
+    end.to_not raise_error
   end
 
   it 'processes hashtags' do
@@ -216,7 +218,7 @@ RSpec.describe PostStatusService, type: :service do
       media_ids: [media.id]
     )
 
-    expect(media.reload.status).to eq nil
+    expect(media.reload.status).to be_nil
   end
 
   it 'does not allow attaching more than 4 files' do
diff --git a/spec/services/precompute_feed_service_spec.rb b/spec/services/precompute_feed_service_spec.rb
index b28824f9a..86ab59b29 100644
--- a/spec/services/precompute_feed_service_spec.rb
+++ b/spec/services/precompute_feed_service_spec.rb
@@ -31,7 +31,7 @@ RSpec.describe PrecomputeFeedService, type: :service do
 
       subject.call(account)
 
-      expect(redis.zscore(FeedManager.instance.key(:home, account.id), reblog.id)).to eq nil
+      expect(redis.zscore(FeedManager.instance.key(:home, account.id), reblog.id)).to be_nil
     end
   end
 end
diff --git a/spec/services/process_mentions_service_spec.rb b/spec/services/process_mentions_service_spec.rb
index 6a16928e0..adc45c60a 100644
--- a/spec/services/process_mentions_service_spec.rb
+++ b/spec/services/process_mentions_service_spec.rb
@@ -1,10 +1,12 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe ProcessMentionsService, type: :service do
-  let(:account) { Fabricate(:account, username: 'alice') }
-
   subject { ProcessMentionsService.new }
 
+  let(:account) { Fabricate(:account, username: 'alice') }
+
   context 'when mentions contain blocked accounts' do
     let(:non_blocked_account)          { Fabricate(:account) }
     let(:individually_blocked_account) { Fabricate(:account) }
diff --git a/spec/services/purge_domain_service_spec.rb b/spec/services/purge_domain_service_spec.rb
index 59285f126..310affa5e 100644
--- a/spec/services/purge_domain_service_spec.rb
+++ b/spec/services/purge_domain_service_spec.rb
@@ -1,13 +1,15 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe PurgeDomainService, type: :service do
+  subject { PurgeDomainService.new }
+
   let!(:old_account) { Fabricate(:account, domain: 'obsolete.org') }
   let!(:old_status1) { Fabricate(:status, account: old_account) }
   let!(:old_status2) { Fabricate(:status, account: old_account) }
   let!(:old_attachment) { Fabricate(:media_attachment, account: old_account, status: old_status2, file: attachment_fixture('attachment.jpg')) }
 
-  subject { PurgeDomainService.new }
-
   describe 'for a suspension' do
     before do
       subject.call('obsolete.org')
diff --git a/spec/services/reblog_service_spec.rb b/spec/services/reblog_service_spec.rb
index c0ae5eedc..c00472229 100644
--- a/spec/services/reblog_service_spec.rb
+++ b/spec/services/reblog_service_spec.rb
@@ -1,15 +1,17 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe ReblogService, type: :service do
   let(:alice)  { Fabricate(:account, username: 'alice') }
 
   context 'creates a reblog with appropriate visibility' do
+    subject { ReblogService.new }
+
     let(:visibility)        { :public }
     let(:reblog_visibility) { :public }
     let(:status)            { Fabricate(:status, account: alice, visibility: visibility) }
 
-    subject { ReblogService.new }
-
     before do
       subject.call(alice, status, visibility: reblog_visibility)
     end
@@ -45,11 +47,11 @@ RSpec.describe ReblogService, type: :service do
   end
 
   context 'ActivityPub' do
+    subject { ReblogService.new }
+
     let(:bob)    { Fabricate(:account, username: 'bob', protocol: :activitypub, domain: 'example.com', inbox_url: 'http://example.com/inbox') }
     let(:status) { Fabricate(:status, account: bob) }
 
-    subject { ReblogService.new }
-
     before do
       stub_request(:post, bob.inbox_url)
       allow(ActivityPub::DistributionWorker).to receive(:perform_async)
diff --git a/spec/services/reject_follow_service_spec.rb b/spec/services/reject_follow_service_spec.rb
index e14bfa78d..be9363d84 100644
--- a/spec/services/reject_follow_service_spec.rb
+++ b/spec/services/reject_follow_service_spec.rb
@@ -1,10 +1,12 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe RejectFollowService, type: :service do
-  let(:sender) { Fabricate(:account, username: 'alice') }
-
   subject { RejectFollowService.new }
 
+  let(:sender) { Fabricate(:account, username: 'alice') }
+
   describe 'local' do
     let(:bob) { Fabricate(:account) }
 
diff --git a/spec/services/remove_from_follwers_service_spec.rb b/spec/services/remove_from_followers_service_spec.rb
index 9b9c846cf..21cea2e4f 100644
--- a/spec/services/remove_from_follwers_service_spec.rb
+++ b/spec/services/remove_from_followers_service_spec.rb
@@ -1,10 +1,12 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe RemoveFromFollowersService, type: :service do
-  let(:bob) { Fabricate(:account, username: 'bob') }
-
   subject { RemoveFromFollowersService.new }
 
+  let(:bob) { Fabricate(:account, username: 'bob') }
+
   describe 'local' do
     let(:sender) { Fabricate(:account, username: 'alice') }
 
diff --git a/spec/services/remove_status_service_spec.rb b/spec/services/remove_status_service_spec.rb
index e253052f3..a836109a0 100644
--- a/spec/services/remove_status_service_spec.rb
+++ b/spec/services/remove_status_service_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe RemoveStatusService, type: :service do
diff --git a/spec/services/report_service_spec.rb b/spec/services/report_service_spec.rb
index 02bc42ac1..9d81bd971 100644
--- a/spec/services/report_service_spec.rb
+++ b/spec/services/report_service_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe ReportService, type: :service do
@@ -29,13 +31,13 @@ RSpec.describe ReportService, type: :service do
   end
 
   context 'when the reported status is a DM' do
-    let(:target_account) { Fabricate(:account) }
-    let(:status) { Fabricate(:status, account: target_account, visibility: :direct) }
-
     subject do
       -> { described_class.new.call(source_account, target_account, status_ids: [status.id]) }
     end
 
+    let(:target_account) { Fabricate(:account) }
+    let(:status) { Fabricate(:status, account: target_account, visibility: :direct) }
+
     context 'when it is addressed to the reporter' do
       before do
         status.mentions.create(account: source_account)
@@ -85,13 +87,13 @@ RSpec.describe ReportService, type: :service do
   end
 
   context 'when other reports already exist for the same target' do
-    let!(:target_account) { Fabricate(:account) }
-    let!(:other_report)   { Fabricate(:report, target_account: target_account) }
-
     subject do
       -> {  described_class.new.call(source_account, target_account) }
     end
 
+    let!(:target_account) { Fabricate(:account) }
+    let!(:other_report)   { Fabricate(:report, target_account: target_account) }
+
     before do
       ActionMailer::Base.deliveries.clear
       source_account.user.settings.notification_emails['report'] = true
diff --git a/spec/services/resolve_account_service_spec.rb b/spec/services/resolve_account_service_spec.rb
index 192225229..3ce1f7f2b 100644
--- a/spec/services/resolve_account_service_spec.rb
+++ b/spec/services/resolve_account_service_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe ResolveAccountService, type: :service do
@@ -108,7 +110,7 @@ RSpec.describe ResolveAccountService, type: :service do
     it 'returns new remote account' do
       account = subject.call('Foo@redirected.example.com')
 
-      expect(account.activitypub?).to eq true
+      expect(account.activitypub?).to be true
       expect(account.acct).to eq 'foo@ap.example.com'
       expect(account.inbox_url).to eq 'https://ap.example.com/users/foo/inbox'
     end
@@ -123,7 +125,7 @@ RSpec.describe ResolveAccountService, type: :service do
     it 'returns new remote account' do
       account = subject.call('Foo@redirected.example.com')
 
-      expect(account.activitypub?).to eq true
+      expect(account.activitypub?).to be true
       expect(account.acct).to eq 'foo@ap.example.com'
       expect(account.inbox_url).to eq 'https://ap.example.com/users/foo/inbox'
     end
@@ -146,7 +148,7 @@ RSpec.describe ResolveAccountService, type: :service do
     it 'returns new remote account' do
       account = subject.call('foo@ap.example.com')
 
-      expect(account.activitypub?).to eq true
+      expect(account.activitypub?).to be true
       expect(account.domain).to eq 'ap.example.com'
       expect(account.inbox_url).to eq 'https://ap.example.com/users/foo/inbox'
     end
@@ -159,7 +161,7 @@ RSpec.describe ResolveAccountService, type: :service do
       it 'returns new remote account' do
         account = subject.call('foo@ap.example.com')
 
-        expect(account.activitypub?).to eq true
+        expect(account.activitypub?).to be true
         expect(account.domain).to eq 'ap.example.com'
         expect(account.inbox_url).to eq 'https://ap.example.com/users/foo/inbox'
         expect(account.actor_type).to eq 'Person'
@@ -174,7 +176,7 @@ RSpec.describe ResolveAccountService, type: :service do
     it 'returns new remote account' do
       account = subject.call('foo@ap.example.com')
 
-      expect(account.activitypub?).to eq true
+      expect(account.activitypub?).to be true
       expect(account.domain).to eq 'ap.example.com'
       expect(account.inbox_url).to eq 'https://ap.example.com/users/foo/inbox'
       expect(account.uri).to eq 'https://ap.example.com/users/foo'
@@ -195,7 +197,7 @@ RSpec.describe ResolveAccountService, type: :service do
     it 'returns new remote account' do
       account = subject.call('foo@ap.example.com')
 
-      expect(account.activitypub?).to eq true
+      expect(account.activitypub?).to be true
       expect(account.domain).to eq 'ap.example.com'
       expect(account.inbox_url).to eq 'https://ap.example.com/users/foo/inbox'
       expect(account.uri).to eq 'https://ap.example.com/users/foo'
diff --git a/spec/services/search_service_spec.rb b/spec/services/search_service_spec.rb
index 6f32007e8..7ec334a56 100644
--- a/spec/services/search_service_spec.rb
+++ b/spec/services/search_service_spec.rb
@@ -13,8 +13,8 @@ describe SearchService, type: :service do
         results = subject.call('', nil, 10)
 
         expect(results).to eq(empty_results)
-        expect(AccountSearchService).not_to have_received(:new)
-        expect(Tag).not_to have_received(:search_for)
+        expect(AccountSearchService).to_not have_received(:new)
+        expect(Tag).to_not have_received(:search_for)
       end
     end
 
@@ -89,7 +89,7 @@ describe SearchService, type: :service do
           allow(Tag).to receive(:search_for)
 
           results = subject.call(query, nil, 10)
-          expect(Tag).not_to have_received(:search_for)
+          expect(Tag).to_not have_received(:search_for)
           expect(results).to eq empty_results
         end
 
diff --git a/spec/services/suspend_account_service_spec.rb b/spec/services/suspend_account_service_spec.rb
index 126b13986..4489bfed5 100644
--- a/spec/services/suspend_account_service_spec.rb
+++ b/spec/services/suspend_account_service_spec.rb
@@ -1,12 +1,14 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe SuspendAccountService, type: :service do
   shared_examples 'common behavior' do
+    subject { described_class.new.call(account) }
+
     let!(:local_follower) { Fabricate(:user, current_sign_in_at: 1.hour.ago).account }
     let!(:list)           { Fabricate(:list, account: local_follower) }
 
-    subject { described_class.new.call(account) }
-
     before do
       allow(FeedManager.instance).to receive(:unmerge_from_home).and_return(nil)
       allow(FeedManager.instance).to receive(:unmerge_from_list).and_return(nil)
diff --git a/spec/services/unallow_domain_service_spec.rb b/spec/services/unallow_domain_service_spec.rb
index b93945b9a..48e310a9d 100644
--- a/spec/services/unallow_domain_service_spec.rb
+++ b/spec/services/unallow_domain_service_spec.rb
@@ -1,6 +1,10 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe UnallowDomainService, type: :service do
+  subject { UnallowDomainService.new }
+
   let!(:bad_account) { Fabricate(:account, username: 'badguy666', domain: 'evil.org') }
   let!(:bad_status1) { Fabricate(:status, account: bad_account, text: 'You suck') }
   let!(:bad_status2) { Fabricate(:status, account: bad_account, text: 'Hahaha') }
@@ -8,8 +12,6 @@ RSpec.describe UnallowDomainService, type: :service do
   let!(:already_banned_account) { Fabricate(:account, username: 'badguy', domain: 'evil.org', suspended: true, silenced: true) }
   let!(:domain_allow) { Fabricate(:domain_allow, domain: 'evil.org') }
 
-  subject { UnallowDomainService.new }
-
   context 'in limited federation mode' do
     before do
       allow(subject).to receive(:whitelist_mode?).and_return(true)
diff --git a/spec/services/unblock_service_spec.rb b/spec/services/unblock_service_spec.rb
index 10448b340..8098d7e6d 100644
--- a/spec/services/unblock_service_spec.rb
+++ b/spec/services/unblock_service_spec.rb
@@ -1,10 +1,12 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe UnblockService, type: :service do
-  let(:sender) { Fabricate(:account, username: 'alice') }
-
   subject { UnblockService.new }
 
+  let(:sender) { Fabricate(:account, username: 'alice') }
+
   describe 'local' do
     let(:bob) { Fabricate(:account) }
 
diff --git a/spec/services/unfollow_service_spec.rb b/spec/services/unfollow_service_spec.rb
index bb5bef5c9..a12f01fa5 100644
--- a/spec/services/unfollow_service_spec.rb
+++ b/spec/services/unfollow_service_spec.rb
@@ -1,10 +1,12 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe UnfollowService, type: :service do
-  let(:sender) { Fabricate(:account, username: 'alice') }
-
   subject { UnfollowService.new }
 
+  let(:sender) { Fabricate(:account, username: 'alice') }
+
   describe 'local' do
     let(:bob) { Fabricate(:account, username: 'bob') }
 
diff --git a/spec/services/unmute_service_spec.rb b/spec/services/unmute_service_spec.rb
index 8463eb283..2edb6cfc2 100644
--- a/spec/services/unmute_service_spec.rb
+++ b/spec/services/unmute_service_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe UnmuteService, type: :service do
diff --git a/spec/services/unsuspend_account_service_spec.rb b/spec/services/unsuspend_account_service_spec.rb
index 987eb09e2..5d7012093 100644
--- a/spec/services/unsuspend_account_service_spec.rb
+++ b/spec/services/unsuspend_account_service_spec.rb
@@ -1,12 +1,14 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe UnsuspendAccountService, type: :service do
   shared_examples 'common behavior' do
+    subject { described_class.new.call(account) }
+
     let!(:local_follower) { Fabricate(:user, current_sign_in_at: 1.hour.ago).account }
     let!(:list)           { Fabricate(:list, account: local_follower) }
 
-    subject { described_class.new.call(account) }
-
     before do
       allow(FeedManager.instance).to receive(:merge_into_home).and_return(nil)
       allow(FeedManager.instance).to receive(:merge_into_list).and_return(nil)
diff --git a/spec/services/update_account_service_spec.rb b/spec/services/update_account_service_spec.rb
index c2dc791e4..a711a8ae7 100644
--- a/spec/services/update_account_service_spec.rb
+++ b/spec/services/update_account_service_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe UpdateAccountService, type: :service do
diff --git a/spec/services/update_status_service_spec.rb b/spec/services/update_status_service_spec.rb
index a7364ca8b..e52a0e52b 100644
--- a/spec/services/update_status_service_spec.rb
+++ b/spec/services/update_status_service_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe UpdateStatusService, type: :service do
diff --git a/spec/services/verify_link_service_spec.rb b/spec/services/verify_link_service_spec.rb
index 8f65f3a84..ea9ccc3fc 100644
--- a/spec/services/verify_link_service_spec.rb
+++ b/spec/services/verify_link_service_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 RSpec.describe VerifyLinkService, type: :service do
diff --git a/spec/spec_helper.rb b/spec/spec_helper.rb
index 97b8d83c5..ddc872fc8 100644
--- a/spec/spec_helper.rb
+++ b/spec/spec_helper.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 GC.disable
 
 if ENV['DISABLE_SIMPLECOV'] != 'true'
diff --git a/spec/support/examples/lib/settings/scoped_settings.rb b/spec/support/examples/lib/settings/scoped_settings.rb
index 2457dcfbf..106adb4fa 100644
--- a/spec/support/examples/lib/settings/scoped_settings.rb
+++ b/spec/support/examples/lib/settings/scoped_settings.rb
@@ -3,13 +3,13 @@
 shared_examples 'ScopedSettings' do
   describe '[]' do
     it 'inherits default settings' do
-      expect(Setting.boost_modal).to eq false
-      expect(Setting.interactions['must_be_follower']).to eq false
+      expect(Setting.boost_modal).to be false
+      expect(Setting.interactions['must_be_follower']).to be false
 
       settings = create!
 
-      expect(settings['boost_modal']).to eq false
-      expect(settings['interactions']['must_be_follower']).to eq false
+      expect(settings['boost_modal']).to be false
+      expect(settings['interactions']['must_be_follower']).to be false
     end
   end
 
@@ -17,16 +17,16 @@ shared_examples 'ScopedSettings' do
     # expecting [] and []= works
 
     it 'returns records merged with default values except hashes' do
-      expect(Setting.boost_modal).to eq false
-      expect(Setting.delete_modal).to eq true
+      expect(Setting.boost_modal).to be false
+      expect(Setting.delete_modal).to be true
 
       settings = create!
       settings['boost_modal'] = true
 
       records = settings.all_as_records
 
-      expect(records['boost_modal'].value).to eq true
-      expect(records['delete_modal'].value).to eq true
+      expect(records['boost_modal'].value).to be true
+      expect(records['delete_modal'].value).to be true
     end
   end
 
@@ -34,15 +34,15 @@ shared_examples 'ScopedSettings' do
     # expecting [] and []= works.
 
     it 'reads settings' do
-      expect(Setting.boost_modal).to eq false
+      expect(Setting.boost_modal).to be false
       settings = create!
-      expect(settings.boost_modal).to eq false
+      expect(settings.boost_modal).to be false
     end
 
     it 'updates settings' do
       settings = fabricate
       settings.boost_modal = true
-      expect(settings['boost_modal']).to eq true
+      expect(settings['boost_modal']).to be true
     end
   end
 
@@ -54,13 +54,13 @@ shared_examples 'ScopedSettings' do
 
     Setting.save!
 
-    expect(settings['boost_modal']).to eq true
-    expect(settings['interactions']['must_be_follower']).to eq true
+    expect(settings['boost_modal']).to be true
+    expect(settings['interactions']['must_be_follower']).to be true
 
     Rails.cache.clear
 
-    expect(settings['boost_modal']).to eq true
-    expect(settings['interactions']['must_be_follower']).to eq true
+    expect(settings['boost_modal']).to be true
+    expect(settings['interactions']['must_be_follower']).to be true
   end
 
   xit 'does not mutate defaults via the cache' do
@@ -69,6 +69,6 @@ shared_examples 'ScopedSettings' do
     # This mutates the global settings default such that future
     # instances will inherit the incorrect starting values
 
-    expect(fabricate.settings['interactions']['must_be_follower']).to eq false
+    expect(fabricate.settings['interactions']['must_be_follower']).to be false
   end
 end
diff --git a/spec/support/matchers/json/match_json_schema.rb b/spec/support/matchers/json/match_json_schema.rb
index 5d9c9a618..3a275199e 100644
--- a/spec/support/matchers/json/match_json_schema.rb
+++ b/spec/support/matchers/json/match_json_schema.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 RSpec::Matchers.define :match_json_schema do |schema|
   match do |input_json|
     schema_path = Rails.root.join('spec', 'support', 'schema', "#{schema}.json").to_s
diff --git a/spec/support/matchers/model/model_have_error_on_field.rb b/spec/support/matchers/model/model_have_error_on_field.rb
index d85db2fca..21632b574 100644
--- a/spec/support/matchers/model/model_have_error_on_field.rb
+++ b/spec/support/matchers/model/model_have_error_on_field.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 RSpec::Matchers.define :model_have_error_on_field do |expected|
   match do |record|
     record.valid? if record.errors.empty?
diff --git a/spec/validators/blacklisted_email_validator_spec.rb b/spec/validators/blacklisted_email_validator_spec.rb
index 351de0707..a642405ae 100644
--- a/spec/validators/blacklisted_email_validator_spec.rb
+++ b/spec/validators/blacklisted_email_validator_spec.rb
@@ -4,16 +4,16 @@ require 'rails_helper'
 
 RSpec.describe BlacklistedEmailValidator, type: :validator do
   describe '#validate' do
+    subject { described_class.new.validate(user); errors }
+
     let(:user)   { double(email: 'info@mail.com', sign_up_ip: '1.2.3.4', errors: errors) }
     let(:errors) { double(add: nil) }
 
     before do
-      allow(user).to receive(:valid_invitation?) { false }
+      allow(user).to receive(:valid_invitation?).and_return(false)
       allow_any_instance_of(described_class).to receive(:blocked_email_provider?) { blocked_email }
     end
 
-    subject { described_class.new.validate(user); errors }
-
     context 'when e-mail provider is blocked' do
       let(:blocked_email) { true }
 
@@ -26,7 +26,7 @@ RSpec.describe BlacklistedEmailValidator, type: :validator do
       let(:blocked_email) { false }
 
       it 'does not add errors' do
-        expect(subject).not_to have_received(:add).with(:email, :blocked)
+        expect(subject).to_not have_received(:add).with(:email, :blocked)
       end
 
       context 'when canonical e-mail is blocked' do
diff --git a/spec/validators/disallowed_hashtags_validator_spec.rb b/spec/validators/disallowed_hashtags_validator_spec.rb
index 9deec0bb9..896fd4fc5 100644
--- a/spec/validators/disallowed_hashtags_validator_spec.rb
+++ b/spec/validators/disallowed_hashtags_validator_spec.rb
@@ -11,7 +11,7 @@ RSpec.describe DisallowedHashtagsValidator, type: :validator do
       described_class.new.validate(status)
     end
 
-    let(:status) { double(errors: errors, local?: local, reblog?: reblog, text: disallowed_tags.map { |x| '#' + x }.join(' ')) }
+    let(:status) { double(errors: errors, local?: local, reblog?: reblog, text: disallowed_tags.map { |x| "##{x}" }.join(' ')) }
     let(:errors) { double(add: nil) }
 
     context 'for a remote reblog' do
@@ -19,7 +19,7 @@ RSpec.describe DisallowedHashtagsValidator, type: :validator do
       let(:reblog) { true }
 
       it 'does not add errors' do
-        expect(errors).not_to have_received(:add).with(:text, any_args)
+        expect(errors).to_not have_received(:add).with(:text, any_args)
       end
     end
 
@@ -31,7 +31,7 @@ RSpec.describe DisallowedHashtagsValidator, type: :validator do
         let(:disallowed_tags) { [] }
 
         it 'does not add errors' do
-          expect(errors).not_to have_received(:add).with(:text, any_args)
+          expect(errors).to_not have_received(:add).with(:text, any_args)
         end
       end
 
diff --git a/spec/validators/email_mx_validator_spec.rb b/spec/validators/email_mx_validator_spec.rb
index 6640d6058..ffb6851d0 100644
--- a/spec/validators/email_mx_validator_spec.rb
+++ b/spec/validators/email_mx_validator_spec.rb
@@ -38,7 +38,7 @@ describe EmailMxValidator do
       allow(Resolv::DNS).to receive(:open).and_yield(resolver)
 
       subject.validate(user)
-      expect(user.errors).not_to have_received(:add)
+      expect(user.errors).to_not have_received(:add)
     end
 
     it 'adds an error if the email domain name contains empty labels' do
diff --git a/spec/validators/follow_limit_validator_spec.rb b/spec/validators/follow_limit_validator_spec.rb
index cc8fbb631..94ba0c47f 100644
--- a/spec/validators/follow_limit_validator_spec.rb
+++ b/spec/validators/follow_limit_validator_spec.rb
@@ -22,7 +22,7 @@ RSpec.describe FollowLimitValidator, type: :validator do
       let(:_nil)    { true }
 
       it 'not calls errors.add' do
-        expect(errors).not_to have_received(:add).with(:base, any_args)
+        expect(errors).to_not have_received(:add).with(:base, any_args)
       end
     end
 
@@ -43,7 +43,7 @@ RSpec.describe FollowLimitValidator, type: :validator do
         let(:limit_reached) { false }
 
         it 'not calls errors.add' do
-          expect(errors).not_to have_received(:add).with(:base, any_args)
+          expect(errors).to_not have_received(:add).with(:base, any_args)
         end
       end
     end
diff --git a/spec/validators/poll_validator_spec.rb b/spec/validators/poll_validator_spec.rb
index a76c63ccc..f3f4b1288 100644
--- a/spec/validators/poll_validator_spec.rb
+++ b/spec/validators/poll_validator_spec.rb
@@ -15,14 +15,14 @@ RSpec.describe PollValidator, type: :validator do
     let(:expires_at) { 1.day.from_now }
 
     it 'have no errors' do
-      expect(errors).not_to have_received(:add)
+      expect(errors).to_not have_received(:add)
     end
 
     context 'expires just 5 min ago' do
       let(:expires_at) { 5.minutes.from_now }
 
       it 'not calls errors add' do
-        expect(errors).not_to have_received(:add)
+        expect(errors).to_not have_received(:add)
       end
     end
   end
diff --git a/spec/validators/status_length_validator_spec.rb b/spec/validators/status_length_validator_spec.rb
index 4c80a59e6..2cd369335 100644
--- a/spec/validators/status_length_validator_spec.rb
+++ b/spec/validators/status_length_validator_spec.rb
@@ -7,13 +7,13 @@ describe StatusLengthValidator do
     it 'does not add errors onto remote statuses' do
       status = double(local?: false)
       subject.validate(status)
-      expect(status).not_to receive(:errors)
+      expect(status).to_not receive(:errors)
     end
 
     it 'does not add errors onto local reblogs' do
       status = double(local?: false, reblog?: true)
       subject.validate(status)
-      expect(status).not_to receive(:errors)
+      expect(status).to_not receive(:errors)
     end
 
     it 'adds an error when content warning is over MAX_CHARS characters' do
diff --git a/spec/validators/unreserved_username_validator_spec.rb b/spec/validators/unreserved_username_validator_spec.rb
index e2f051b08..3c6f71c59 100644
--- a/spec/validators/unreserved_username_validator_spec.rb
+++ b/spec/validators/unreserved_username_validator_spec.rb
@@ -17,7 +17,7 @@ RSpec.describe UnreservedUsernameValidator, type: :validator do
       let(:username) { nil }
 
       it 'not calls errors.add' do
-        expect(errors).not_to have_received(:add).with(:username, any_args)
+        expect(errors).to_not have_received(:add).with(:username, any_args)
       end
     end
 
@@ -36,7 +36,7 @@ RSpec.describe UnreservedUsernameValidator, type: :validator do
         let(:reserved_username) { false }
 
         it 'not calls errors.add' do
-          expect(errors).not_to have_received(:add).with(:username, any_args)
+          expect(errors).to_not have_received(:add).with(:username, any_args)
         end
       end
     end
diff --git a/spec/validators/url_validator_spec.rb b/spec/validators/url_validator_spec.rb
index 85eadeb63..966261b50 100644
--- a/spec/validators/url_validator_spec.rb
+++ b/spec/validators/url_validator_spec.rb
@@ -27,7 +27,7 @@ RSpec.describe URLValidator, type: :validator do
       let(:compliant) { true }
 
       it 'not calls errors.add' do
-        expect(errors).not_to have_received(:add).with(attribute, any_args)
+        expect(errors).to_not have_received(:add).with(attribute, any_args)
       end
     end
   end
diff --git a/spec/workers/activitypub/distribute_poll_update_worker_spec.rb b/spec/workers/activitypub/distribute_poll_update_worker_spec.rb
index d68a695b7..947acab3b 100644
--- a/spec/workers/activitypub/distribute_poll_update_worker_spec.rb
+++ b/spec/workers/activitypub/distribute_poll_update_worker_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 describe ActivityPub::DistributePollUpdateWorker do
diff --git a/spec/workers/activitypub/distribution_worker_spec.rb b/spec/workers/activitypub/distribution_worker_spec.rb
index 7f63e197b..06d6ac738 100644
--- a/spec/workers/activitypub/distribution_worker_spec.rb
+++ b/spec/workers/activitypub/distribution_worker_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 describe ActivityPub::DistributionWorker do
diff --git a/spec/workers/activitypub/move_distribution_worker_spec.rb b/spec/workers/activitypub/move_distribution_worker_spec.rb
index 482fa9db4..4df6b2f16 100644
--- a/spec/workers/activitypub/move_distribution_worker_spec.rb
+++ b/spec/workers/activitypub/move_distribution_worker_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 describe ActivityPub::MoveDistributionWorker do
diff --git a/spec/workers/activitypub/processing_worker_spec.rb b/spec/workers/activitypub/processing_worker_spec.rb
index b42c0bdbc..6b57f16a9 100644
--- a/spec/workers/activitypub/processing_worker_spec.rb
+++ b/spec/workers/activitypub/processing_worker_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 describe ActivityPub::ProcessingWorker do
diff --git a/spec/workers/activitypub/status_update_distribution_worker_spec.rb b/spec/workers/activitypub/status_update_distribution_worker_spec.rb
index c014c6790..cf55a461d 100644
--- a/spec/workers/activitypub/status_update_distribution_worker_spec.rb
+++ b/spec/workers/activitypub/status_update_distribution_worker_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 describe ActivityPub::StatusUpdateDistributionWorker do
diff --git a/spec/workers/activitypub/update_distribution_worker_spec.rb b/spec/workers/activitypub/update_distribution_worker_spec.rb
index 0e057fd0b..7b1e6ff54 100644
--- a/spec/workers/activitypub/update_distribution_worker_spec.rb
+++ b/spec/workers/activitypub/update_distribution_worker_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 describe ActivityPub::UpdateDistributionWorker do
diff --git a/spec/workers/domain_block_worker_spec.rb b/spec/workers/domain_block_worker_spec.rb
index bd8fc4a62..8b98443fa 100644
--- a/spec/workers/domain_block_worker_spec.rb
+++ b/spec/workers/domain_block_worker_spec.rb
@@ -20,7 +20,7 @@ describe DomainBlockWorker do
     it 'returns true for non-existent domain block' do
       result = subject.perform('aaa')
 
-      expect(result).to eq(true)
+      expect(result).to be(true)
     end
   end
 end
diff --git a/spec/workers/domain_clear_media_worker_spec.rb b/spec/workers/domain_clear_media_worker_spec.rb
index 36251b1ec..f21d1fe18 100644
--- a/spec/workers/domain_clear_media_worker_spec.rb
+++ b/spec/workers/domain_clear_media_worker_spec.rb
@@ -20,7 +20,7 @@ describe DomainClearMediaWorker do
     it 'returns true for non-existent domain block' do
       result = subject.perform('aaa')
 
-      expect(result).to eq(true)
+      expect(result).to be(true)
     end
   end
 end
diff --git a/spec/workers/feed_insert_worker_spec.rb b/spec/workers/feed_insert_worker_spec.rb
index fb34970fc..16f7d73e0 100644
--- a/spec/workers/feed_insert_worker_spec.rb
+++ b/spec/workers/feed_insert_worker_spec.rb
@@ -15,8 +15,8 @@ describe FeedInsertWorker do
         allow(FeedManager).to receive(:instance).and_return(instance)
         result = subject.perform(nil, follower.id)
 
-        expect(result).to eq true
-        expect(instance).not_to have_received(:push_to_home)
+        expect(result).to be true
+        expect(instance).to_not have_received(:push_to_home)
       end
 
       it 'skips push with missing account' do
@@ -24,8 +24,8 @@ describe FeedInsertWorker do
         allow(FeedManager).to receive(:instance).and_return(instance)
         result = subject.perform(status.id, nil)
 
-        expect(result).to eq true
-        expect(instance).not_to have_received(:push_to_home)
+        expect(result).to be true
+        expect(instance).to_not have_received(:push_to_home)
       end
     end
 
@@ -36,7 +36,7 @@ describe FeedInsertWorker do
         result = subject.perform(status.id, follower.id)
 
         expect(result).to be_nil
-        expect(instance).not_to have_received(:push_to_home)
+        expect(instance).to_not have_received(:push_to_home)
       end
 
       it 'pushes the status onto the home timeline without filter' do
diff --git a/spec/workers/move_worker_spec.rb b/spec/workers/move_worker_spec.rb
index 3ca6aaf4d..e93060adb 100644
--- a/spec/workers/move_worker_spec.rb
+++ b/spec/workers/move_worker_spec.rb
@@ -3,6 +3,8 @@
 require 'rails_helper'
 
 describe MoveWorker do
+  subject { described_class.new }
+
   let(:local_follower)   { Fabricate(:account) }
   let(:blocking_account) { Fabricate(:account) }
   let(:muting_account)   { Fabricate(:account) }
@@ -14,8 +16,6 @@ describe MoveWorker do
 
   let(:block_service) { double }
 
-  subject { described_class.new }
-
   before do
     local_follower.follow!(source_account)
     blocking_account.block!(source_account)
diff --git a/spec/workers/refollow_worker_spec.rb b/spec/workers/refollow_worker_spec.rb
index d9c2293b6..1dac15385 100644
--- a/spec/workers/refollow_worker_spec.rb
+++ b/spec/workers/refollow_worker_spec.rb
@@ -4,6 +4,7 @@ require 'rails_helper'
 
 describe RefollowWorker do
   subject { described_class.new }
+
   let(:account) { Fabricate(:account, domain: 'example.org', protocol: :activitypub) }
   let(:alice)   { Fabricate(:account, domain: nil, username: 'alice') }
   let(:bob)     { Fabricate(:account, domain: nil, username: 'bob') }
diff --git a/spec/workers/regeneration_worker_spec.rb b/spec/workers/regeneration_worker_spec.rb
index c6bdfa0e5..147a76be5 100644
--- a/spec/workers/regeneration_worker_spec.rb
+++ b/spec/workers/regeneration_worker_spec.rb
@@ -20,7 +20,7 @@ describe RegenerationWorker do
     it 'fails when account does not exist' do
       result = subject.perform('aaa')
 
-      expect(result).to eq(true)
+      expect(result).to be(true)
     end
   end
 end
diff --git a/spec/workers/scheduler/accounts_statuses_cleanup_scheduler_spec.rb b/spec/workers/scheduler/accounts_statuses_cleanup_scheduler_spec.rb
index 8faf04836..9ed8da1ba 100644
--- a/spec/workers/scheduler/accounts_statuses_cleanup_scheduler_spec.rb
+++ b/spec/workers/scheduler/accounts_statuses_cleanup_scheduler_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 describe Scheduler::AccountsStatusesCleanupScheduler do
@@ -19,11 +21,10 @@ describe Scheduler::AccountsStatusesCleanupScheduler do
     [
       {
         'concurrency' => 2,
-        'queues' => ['push', 'default'],
+        'queues' => %w(push default),
       },
     ]
   end
-  let(:retry_size) { 0 }
 
   before do
     queue_stub = double
@@ -33,7 +34,6 @@ describe Scheduler::AccountsStatusesCleanupScheduler do
     allow(Sidekiq::ProcessSet).to receive(:new).and_return(process_set_stub)
 
     sidekiq_stats_stub = double
-    allow(sidekiq_stats_stub).to receive(:retry_size).and_return(retry_size)
     allow(Sidekiq::Stats).to receive(:new).and_return(sidekiq_stats_stub)
 
     # Create a bunch of old statuses
@@ -70,19 +70,11 @@ describe Scheduler::AccountsStatusesCleanupScheduler do
         expect(subject.under_load?).to be true
       end
     end
-
-    context 'when there is a huge amount of jobs to retry' do
-      let(:retry_size) { 1_000_000 }
-
-      it 'returns true' do
-        expect(subject.under_load?).to be true
-      end
-    end
   end
 
   describe '#get_budget' do
     context 'on a single thread' do
-      let(:process_set_stub) { [{ 'concurrency' => 1, 'queues' => ['push', 'default'] }] }
+      let(:process_set_stub) { [{ 'concurrency' => 1, 'queues' => %w(push default) }] }
 
       it 'returns a low value' do
         expect(subject.compute_budget).to be < 10
@@ -92,7 +84,7 @@ describe Scheduler::AccountsStatusesCleanupScheduler do
     context 'on a lot of threads' do
       let(:process_set_stub) do
         [
-          { 'concurrency' => 2, 'queues' => ['push', 'default'] },
+          { 'concurrency' => 2, 'queues' => %w(push default) },
           { 'concurrency' => 2, 'queues' => ['push'] },
           { 'concurrency' => 2, 'queues' => ['push'] },
           { 'concurrency' => 2, 'queues' => ['push'] },
diff --git a/spec/workers/scheduler/user_cleanup_scheduler_spec.rb b/spec/workers/scheduler/user_cleanup_scheduler_spec.rb
index da99f10f9..990979500 100644
--- a/spec/workers/scheduler/user_cleanup_scheduler_spec.rb
+++ b/spec/workers/scheduler/user_cleanup_scheduler_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 describe Scheduler::UserCleanupScheduler do
diff --git a/spec/workers/unfollow_follow_worker_spec.rb b/spec/workers/unfollow_follow_worker_spec.rb
index 5ea4256a9..8025b88c0 100644
--- a/spec/workers/unfollow_follow_worker_spec.rb
+++ b/spec/workers/unfollow_follow_worker_spec.rb
@@ -3,13 +3,13 @@
 require 'rails_helper'
 
 describe UnfollowFollowWorker do
+  subject { described_class.new }
+
   let(:local_follower)   { Fabricate(:account) }
   let(:source_account)   { Fabricate(:account) }
   let(:target_account)   { Fabricate(:account) }
   let(:show_reblogs)     { true }
 
-  subject { described_class.new }
-
   before do
     local_follower.follow!(source_account, reblogs: show_reblogs)
   end
diff --git a/spec/workers/web/push_notification_worker_spec.rb b/spec/workers/web/push_notification_worker_spec.rb
index 5bc24f888..822ef5257 100644
--- a/spec/workers/web/push_notification_worker_spec.rb
+++ b/spec/workers/web/push_notification_worker_spec.rb
@@ -37,7 +37,7 @@ describe Web::PushNotificationWorker do
       expect(a_request(:post, endpoint).with(headers: {
         'Content-Encoding' => 'aesgcm',
         'Content-Type' => 'application/octet-stream',
-        'Crypto-Key' => 'dh=BAgtUks5d90kFmxGevk9tH7GEmvz9DB0qcEMUsOBgKwMf-TMjsKIIG6LQvGcFAf6jcmAod15VVwmYwGIIxE4VWE;p256ecdsa=' + vapid_public_key.delete('='),
+        'Crypto-Key' => "dh=BAgtUks5d90kFmxGevk9tH7GEmvz9DB0qcEMUsOBgKwMf-TMjsKIIG6LQvGcFAf6jcmAod15VVwmYwGIIxE4VWE;p256ecdsa=#{vapid_public_key.delete('=')}",
         'Encryption' => 'salt=WJeVM-RY-F9351SVxTFx_g',
         'Ttl' => '172800',
         'Urgency' => 'normal',