ActivityPub delivery (#4566)

* Deliver ActivityPub Like

* Deliver ActivityPub Undo-Like

* Deliver ActivityPub Create/Announce activities

* Deliver ActivityPub creates from mentions

* Deliver ActivityPub Block/Undo-Block

* Deliver ActivityPub Accept/Reject-Follow

* Deliver ActivityPub Undo-Follow

* Deliver ActivityPub Follow

* Deliver ActivityPub Delete activities

Incidentally fix #889

* Adjust BatchedRemoveStatusService for ActivityPub

* Add tests for ActivityPub workers

* Add tests for FollowService

* Add tests for FavouriteService, UnfollowService and PostStatusService

* Add tests for ReblogService, BlockService, UnblockService, ProcessMentionsService

* Add tests for AuthorizeFollowService, RejectFollowService, RemoveStatusService

* Add tests for BatchedRemoveStatusService

* Deliver updates to a local account to ActivityPub followers

* Minor adjustments

1 files changed, 7 insertions, 0 deletions

diff --git a/spec/services/batched_remove_status_service_spec.rb b/spec/services/batched_remove_status_service_spec.rb
index c20085e25..2484d4b58 100644
--- a/spec/services/batched_remove_status_service_spec.rb
+++ b/spec/services/batched_remove_status_service_spec.rb
@@ -6,6 +6,7 @@ RSpec.describe BatchedRemoveStatusService do
   let!(:alice)  { Fabricate(:account) }
   let!(:bob)    { Fabricate(:account, username: 'bob', domain: 'example.com', salmon_url: 'http://example.com/salmon') }
   let!(:jeff)   { Fabricate(:account) }
+  let!(:hank)   { Fabricate(:account, username: 'hank', protocol: :activitypub, domain: 'example.com', inbox_url: 'http://example.com/inbox') }
 
   let(:status1) { PostStatusService.new.call(alice, 'Hello @bob@example.com') }
   let(:status2) { PostStatusService.new.call(alice, 'Another status') }
@@ -15,9 +16,11 @@ RSpec.describe BatchedRemoveStatusService do
 
     stub_request(:post, 'http://example.com/push').to_return(status: 200, body: '', headers: {})
     stub_request(:post, 'http://example.com/salmon').to_return(status: 200, body: '', headers: {})
+    stub_request(:post, 'http://example.com/inbox').to_return(status: 200)
 
     Fabricate(:subscription, account: alice, callback_url: 'http://example.com/push', confirmed: true, expires_at: 30.days.from_now)
     jeff.follow!(alice)
+    hank.follow!(alice)
 
     status1
     status2
@@ -58,4 +61,8 @@ RSpec.describe BatchedRemoveStatusService do
       xml.match(TagManager::VERBS[:delete])
     }).to have_been_made.once
   end
+
+  it 'sends delete activity to followers' do
+    expect(a_request(:post, 'http://example.com/inbox')).to have_been_made.at_least_once
+  end
 end