Add conversation-based forwarding for limited visibility statuses through bearcaps

spec/workers/activitypub/distribution_worker_spec.rb

@@ -9,6 +9,8 @@ describe ActivityPub::DistributionWorker do
   describe '#perform' do
     before do
       allow(ActivityPub::DeliveryWorker).to receive(:push_bulk)
+      allow(ActivityPub::DeliveryWorker).to receive(:perform_async)
+
       follower.follow!(status.account)
     end
 
@@ -34,6 +36,40 @@ describe ActivityPub::DistributionWorker do
       end
     end
 
+    context 'with limited status' do
+      before do
+        status.update(visibility: :limited)
+        status.capability_tokens.create!
+      end
+
+      context 'standalone' do
+        before do
+          2.times do |i|
+            status.mentions.create!(silent: true, account: Fabricate(:account, username: "bob#{i}", domain: "example#{i}.com", inbox_url: "https://example#{i}.com/inbox"))
+          end
+        end
+
+        it 'delivers to personal inboxes' do
+          subject.perform(status.id)
+          expect(ActivityPub::DeliveryWorker).to have_received(:push_bulk).with(['https://example0.com/inbox', 'https://example1.com/inbox'])
+        end
+      end
+
+      context 'when it\'s a reply' do
+        let(:conversation) { Fabricate(:conversation, uri: 'https://example.com/123', inbox_url: 'https://example.com/123/inbox') }
+        let(:parent) { Fabricate(:status, visibility: :limited, account: Fabricate(:account, username: 'alice', domain: 'example.com', inbox_url: 'https://example.com/inbox'), conversation: conversation) }
+
+        before do
+          status.update(thread: parent, conversation: conversation)
+        end
+
+        it 'delivers to inbox of conversation only' do
+          subject.perform(status.id)
+          expect(ActivityPub::DeliveryWorker).to have_received(:perform_async).once
+        end
+      end
+    end
+
     context 'with direct status' do
       before do
         status.update(visibility: :direct)