diff --git a/spec/models/glitch/keyword_mute_spec.rb b/spec/models/glitch/keyword_mute_spec.rb
new file mode 100644
index 000000000..1423823ba
--- /dev/null
+++ b/spec/models/glitch/keyword_mute_spec.rb
@@ -0,0 +1,89 @@
+require 'rails_helper'
+
+RSpec.describe Glitch::KeywordMute, type: :model do
+  let(:alice) { Fabricate(:account, username: 'alice').tap(&:save!) }
+  let(:bob) { Fabricate(:account, username: 'bob').tap(&:save!) }
+
+  describe '.matcher_for' do
+    let(:matcher) { Glitch::KeywordMute.matcher_for(alice) }
+
+    describe 'with no mutes' do
+      before do
+        Glitch::KeywordMute.delete_all
+      end
+
+      it 'does not match' do
+        expect(matcher =~ 'This is a hot take').to be_falsy
+      end
+    end
+
+    describe 'with mutes' do
+      it 'does not match keywords set by a different account' do
+        Glitch::KeywordMute.create!(account: bob, keyword: 'take')
+
+        expect(matcher =~ 'This is a hot take').to be_falsy
+      end
+
+      it 'does not match if no keywords match the status text' do
+        Glitch::KeywordMute.create!(account: alice, keyword: 'cold')
+
+        expect(matcher =~ 'This is a hot take').to be_falsy
+      end
+
+      it 'considers word boundaries when matching' do
+        Glitch::KeywordMute.create!(account: alice, keyword: 'bob', whole_word: true)
+
+        expect(matcher =~ 'bobcats').to be_falsy
+      end
+
+      it 'matches substrings if whole_word is false' do
+        Glitch::KeywordMute.create!(account: alice, keyword: 'take', whole_word: false)
+
+        expect(matcher =~ 'This is a shiitake mushroom').to be_truthy
+      end
+
+      it 'matches keywords at the beginning of the text' do
+        Glitch::KeywordMute.create!(account: alice, keyword: 'take')
+
+        expect(matcher =~ 'Take this').to be_truthy
+      end
+
+      it 'matches keywords at the end of the text' do
+        Glitch::KeywordMute.create!(account: alice, keyword: 'take')
+
+        expect(matcher =~ 'This is a hot take').to be_truthy
+      end
+
+      it 'matches if at least one keyword case-insensitively matches the text' do
+        Glitch::KeywordMute.create!(account: alice, keyword: 'hot')
+
+        expect(matcher =~ 'This is a HOT take').to be_truthy
+      end
+
+      it 'matches keywords surrounded by non-alphanumeric ornamentation' do
+        Glitch::KeywordMute.create!(account: alice, keyword: 'hot')
+
+        expect(matcher =~ '(hot take)').to be_truthy
+      end
+
+      it 'escapes metacharacters in keywords' do
+        Glitch::KeywordMute.create!(account: alice, keyword: '(hot take)')
+
+        expect(matcher =~ '(hot take)').to be_truthy
+      end
+
+      it 'uses case-folding rules appropriate for more than just English' do
+        Glitch::KeywordMute.create!(account: alice, keyword: 'großeltern')
+
+        expect(matcher =~ 'besuch der grosseltern').to be_truthy
+      end
+
+      it 'matches keywords that are composed of multiple words' do
+        Glitch::KeywordMute.create!(account: alice, keyword: 'a shiitake')
+
+        expect(matcher =~ 'This is a shiitake').to be_truthy
+        expect(matcher =~ 'This is shiitake').to_not be_truthy
+      end
+    end
+  end
+end
diff --git a/spec/models/media_attachment_spec.rb b/spec/models/media_attachment_spec.rb
index 9fce5bc4f..435b4f326 100644
--- a/spec/models/media_attachment_spec.rb
+++ b/spec/models/media_attachment_spec.rb
@@ -20,20 +20,29 @@ RSpec.describe MediaAttachment, type: :model do
   end
 
   describe 'non-animated gif non-conversion' do
-    let(:media) { MediaAttachment.create(account: Fabricate(:account), file: attachment_fixture('attachment.gif')) }
+    fixtures = [
+      { filename: 'attachment.gif', width: 600, height: 400, aspect: 1.5 },
+      { filename: 'mini-static.gif', width: 32, height: 32, aspect: 1.0 },
+    ]
 
-    it 'sets type to image' do
-      expect(media.type).to eq 'image'
-    end
+    fixtures.each do |fixture|
+      context fixture[:filename] do
+        let(:media) { MediaAttachment.create(account: Fabricate(:account), file: attachment_fixture(fixture[:filename])) }
 
-    it 'leaves original file as-is' do
-      expect(media.file_content_type).to eq 'image/gif'
-    end
+        it 'sets type to image' do
+          expect(media.type).to eq 'image'
+        end
 
-    it 'sets meta' do
-      expect(media.file.meta["original"]["width"]).to eq 600
-      expect(media.file.meta["original"]["height"]).to eq 400
-      expect(media.file.meta["original"]["aspect"]).to eq 1.5
+        it 'leaves original file as-is' do
+          expect(media.file_content_type).to eq 'image/gif'
+        end
+
+        it 'sets meta' do
+          expect(media.file.meta["original"]["width"]).to eq fixture[:width]
+          expect(media.file.meta["original"]["height"]).to eq fixture[:height]
+          expect(media.file.meta["original"]["aspect"]).to eq fixture[:aspect]
+        end
+      end
     end
   end
 
diff --git a/spec/models/status_spec.rb b/spec/models/status_spec.rb
index 9cb71d715..12e857169 100644
--- a/spec/models/status_spec.rb
+++ b/spec/models/status_spec.rb
@@ -232,6 +232,55 @@ RSpec.describe Status, type: :model do
     end
   end
 
+  describe '.as_direct_timeline' do
+    let(:account) { Fabricate(:account) }
+    let(:followed) { Fabricate(:account) }
+    let(:not_followed) { Fabricate(:account) }
+
+    before do
+      Fabricate(:follow, account: account, target_account: followed)
+
+      @self_public_status = Fabricate(:status, account: account, visibility: :public)
+      @self_direct_status = Fabricate(:status, account: account, visibility: :direct)
+      @followed_public_status = Fabricate(:status, account: followed, visibility: :public)
+      @followed_direct_status = Fabricate(:status, account: followed, visibility: :direct)
+      @not_followed_direct_status = Fabricate(:status, account: not_followed, visibility: :direct)
+
+      @results = Status.as_direct_timeline(account)
+    end
+
+    it 'does not include public statuses from self' do
+      expect(@results).to_not include(@self_public_status)
+    end
+
+    it 'includes direct statuses from self' do
+      expect(@results).to include(@self_direct_status)
+    end
+
+    it 'does not include public statuses from followed' do
+      expect(@results).to_not include(@followed_public_status)
+    end
+
+    it 'includes direct statuses mentioning recipient from followed' do
+      Fabricate(:mention, account: account, status: @followed_direct_status)
+      expect(@results).to include(@followed_direct_status)
+    end
+
+    it 'does not include direct statuses not mentioning recipient from followed' do
+      expect(@results).to_not include(@followed_direct_status)
+    end
+
+    it 'includes direct statuses mentioning recipient from non-followed' do
+      Fabricate(:mention, account: account, status: @not_followed_direct_status)
+      expect(@results).to include(@not_followed_direct_status)
+    end
+
+    it 'does not include direct statuses not mentioning recipient from non-followed' do
+      expect(@results).to_not include(@not_followed_direct_status)
+    end
+
+  end
+
   describe '.as_public_timeline' do
     it 'only includes statuses with public visibility' do
       public_status = Fabricate(:status, visibility: :public)