Fix Undo Announce sometimes inlining the originally Announced status (#17516)

* Change tests to have more specific expectations on sent ActivityPub payloads

* Check that payload doesn't actually contain the contents of the boosted toot

* Fix Undo Announce sometimes inlining the originally Announced status

spec/services/remove_status_service_spec.rb

@@ -15,35 +15,97 @@ RSpec.describe RemoveStatusService, type: :service do
 
     jeff.follow!(alice)
     hank.follow!(alice)
-
-    @status = PostStatusService.new.call(alice, text: 'Hello @bob@example.com')
-    FavouriteService.new.call(jeff, @status)
-    Fabricate(:status, account: bill, reblog: @status, uri: 'hoge')
   end
 
-  it 'removes status from author\'s home feed' do
-    subject.call(@status)
-    expect(HomeFeed.new(alice).get(10)).to_not include(@status.id)
+  context 'when removed status is not a reblog' do
+    before do
+      @status = PostStatusService.new.call(alice, text: 'Hello @bob@example.com ThisIsASecret')
+      FavouriteService.new.call(jeff, @status)
+      Fabricate(:status, account: bill, reblog: @status, uri: 'hoge')
+    end
+
+    it 'removes status from author\'s home feed' do
+      subject.call(@status)
+      expect(HomeFeed.new(alice).get(10)).to_not include(@status.id)
+    end
+
+    it 'removes status from local follower\'s home feed' do
+      subject.call(@status)
+      expect(HomeFeed.new(jeff).get(10)).to_not include(@status.id)
+    end
+
+    it 'sends Delete activity to followers' do
+      subject.call(@status)
+      expect(a_request(:post, 'http://example.com/inbox').with(
+        body: hash_including({
+          'type' => 'Delete',
+          'object' => {
+            'type' => 'Tombstone',
+            'id' => ActivityPub::TagManager.instance.uri_for(@status),
+            'atomUri' => OStatus::TagManager.instance.uri_for(@status),
+          },
+        })
+      )).to have_been_made.once
+    end
+
+    it 'sends Delete activity to rebloggers' do
+      subject.call(@status)
+      expect(a_request(:post, 'http://example2.com/inbox').with(
+        body: hash_including({
+          'type' => 'Delete',
+          'object' => {
+            'type' => 'Tombstone',
+            'id' => ActivityPub::TagManager.instance.uri_for(@status),
+            'atomUri' => OStatus::TagManager.instance.uri_for(@status),
+          },
+        })
+      )).to have_been_made.once
+    end
+
+    it 'remove status from notifications' do
+      expect { subject.call(@status) }.to change {
+        Notification.where(activity_type: 'Favourite', from_account: jeff, account: alice).count
+      }.from(1).to(0)
+    end
   end
 
-  it 'removes status from local follower\'s home feed' do
-    subject.call(@status)
-    expect(HomeFeed.new(jeff).get(10)).to_not include(@status.id)
+  context 'when removed status is a private self-reblog' do
+    before do
+      @original_status = Fabricate(:status, account: alice, text: 'Hello ThisIsASecret', visibility: :private)
+      @status = ReblogService.new.call(alice, @original_status)
+    end
+
+    it 'sends Undo activity to followers' do
+      subject.call(@status)
+      expect(a_request(:post, 'http://example.com/inbox').with(
+        body: hash_including({
+          'type' => 'Undo',
+          'object' => hash_including({
+            'type' => 'Announce',
+            'object' => ActivityPub::TagManager.instance.uri_for(@original_status),
+          }),
+        })
+      )).to have_been_made.once
+    end
   end
 
-  it 'sends delete activity to followers' do
-    subject.call(@status)
-    expect(a_request(:post, 'http://example.com/inbox')).to have_been_made.twice
-  end
+  context 'when removed status is public self-reblog' do
+    before do
+      @original_status = Fabricate(:status, account: alice, text: 'Hello ThisIsASecret', visibility: :public)
+      @status = ReblogService.new.call(alice, @original_status)
+    end
 
-  it 'sends delete activity to rebloggers' do
-    subject.call(@status)
-    expect(a_request(:post, 'http://example2.com/inbox')).to have_been_made
-  end
-
-  it 'remove status from notifications' do
-    expect { subject.call(@status) }.to change {
-      Notification.where(activity_type: 'Favourite', from_account: jeff, account: alice).count
-    }.from(1).to(0)
+    it 'sends Undo activity to followers' do
+      subject.call(@status)
+      expect(a_request(:post, 'http://example.com/inbox').with(
+        body: hash_including({
+          'type' => 'Undo',
+          'object' => hash_including({
+            'type' => 'Announce',
+            'object' => ActivityPub::TagManager.instance.uri_for(@original_status),
+          }),
+        })
+      )).to have_been_made.once
+    end
   end
 end