Merge remote-tracking branch 'upstream/develop' into linkify

31 files changed, 1339 insertions, 882 deletions

diff --git a/test/web/activity_pub/activity_pub_controller_test.exs b/test/web/activity_pub/activity_pub_controller_test.exs
index e722f7c04..ed900d8f8 100644
--- a/test/web/activity_pub/activity_pub_controller_test.exs
+++ b/test/web/activity_pub/activity_pub_controller_test.exs
@@ -1082,6 +1082,45 @@ defmodule Pleroma.Web.ActivityPub.ActivityPubControllerTest do
       assert object = Object.get_by_ap_id(note_object.data["id"])
       assert object.data["like_count"] == 1
     end
+
+    test "it doesn't spreads faulty attributedTo or actor fields", %{
+      conn: conn,
+      activity: activity
+    } do
+      reimu = insert(:user, nickname: "reimu")
+      cirno = insert(:user, nickname: "cirno")
+
+      assert reimu.ap_id
+      assert cirno.ap_id
+
+      activity =
+        activity
+        |> put_in(["object", "actor"], reimu.ap_id)
+        |> put_in(["object", "attributedTo"], reimu.ap_id)
+        |> put_in(["actor"], reimu.ap_id)
+        |> put_in(["attributedTo"], reimu.ap_id)
+
+      _reimu_outbox =
+        conn
+        |> assign(:user, cirno)
+        |> put_req_header("content-type", "application/activity+json")
+        |> post("/users/#{reimu.nickname}/outbox", activity)
+        |> json_response(403)
+
+      cirno_outbox =
+        conn
+        |> assign(:user, cirno)
+        |> put_req_header("content-type", "application/activity+json")
+        |> post("/users/#{cirno.nickname}/outbox", activity)
+        |> json_response(201)
+
+      assert cirno_outbox["attributedTo"] == nil
+      assert cirno_outbox["actor"] == cirno.ap_id
+
+      assert cirno_object = Object.normalize(cirno_outbox["object"])
+      assert cirno_object.data["actor"] == cirno.ap_id
+      assert cirno_object.data["attributedTo"] == cirno.ap_id
+    end
   end
 
   describe "/relay/followers" do
diff --git a/test/web/activity_pub/activity_pub_test.exs b/test/web/activity_pub/activity_pub_test.exs
index be7ab2ae4..f3951462f 100644
--- a/test/web/activity_pub/activity_pub_test.exs
+++ b/test/web/activity_pub/activity_pub_test.exs
@@ -184,36 +184,43 @@ defmodule Pleroma.Web.ActivityPub.ActivityPubTest do
       assert User.invisible?(user)
     end
 
-    test "it fetches the appropriate tag-restricted posts" do
-      user = insert(:user)
+    test "it returns a user that accepts chat messages" do
+      user_id = "http://mastodon.example.org/users/admin"
+      {:ok, user} = ActivityPub.make_user_from_ap_id(user_id)
 
-      {:ok, status_one} = CommonAPI.post(user, %{status: ". #test"})
-      {:ok, status_two} = CommonAPI.post(user, %{status: ". #essais"})
-      {:ok, status_three} = CommonAPI.post(user, %{status: ". #test #reject"})
+      assert user.accepts_chat_messages
+    end
+  end
 
-      fetch_one = ActivityPub.fetch_activities([], %{type: "Create", tag: "test"})
+  test "it fetches the appropriate tag-restricted posts" do
+    user = insert(:user)
 
-      fetch_two = ActivityPub.fetch_activities([], %{type: "Create", tag: ["test", "essais"]})
+    {:ok, status_one} = CommonAPI.post(user, %{status: ". #test"})
+    {:ok, status_two} = CommonAPI.post(user, %{status: ". #essais"})
+    {:ok, status_three} = CommonAPI.post(user, %{status: ". #test #reject"})
 
-      fetch_three =
-        ActivityPub.fetch_activities([], %{
-          type: "Create",
-          tag: ["test", "essais"],
-          tag_reject: ["reject"]
-        })
+    fetch_one = ActivityPub.fetch_activities([], %{type: "Create", tag: "test"})
 
-      fetch_four =
-        ActivityPub.fetch_activities([], %{
-          type: "Create",
-          tag: ["test"],
-          tag_all: ["test", "reject"]
-        })
+    fetch_two = ActivityPub.fetch_activities([], %{type: "Create", tag: ["test", "essais"]})
 
-      assert fetch_one == [status_one, status_three]
-      assert fetch_two == [status_one, status_two, status_three]
-      assert fetch_three == [status_one, status_two]
-      assert fetch_four == [status_three]
-    end
+    fetch_three =
+      ActivityPub.fetch_activities([], %{
+        type: "Create",
+        tag: ["test", "essais"],
+        tag_reject: ["reject"]
+      })
+
+    fetch_four =
+      ActivityPub.fetch_activities([], %{
+        type: "Create",
+        tag: ["test"],
+        tag_all: ["test", "reject"]
+      })
+
+    assert fetch_one == [status_one, status_three]
+    assert fetch_two == [status_one, status_two, status_three]
+    assert fetch_three == [status_one, status_two]
+    assert fetch_four == [status_three]
   end
 
   describe "insertion" do
@@ -507,6 +514,33 @@ defmodule Pleroma.Web.ActivityPub.ActivityPubTest do
       activities = ActivityPub.fetch_activities_for_context("2hu", %{blocking_user: user})
       assert activities == [activity_two, activity]
     end
+
+    test "doesn't return activities with filtered words" do
+      user = insert(:user)
+      user_two = insert(:user)
+      insert(:filter, user: user, phrase: "test", hide: true)
+
+      {:ok, %{id: id1, data: %{"context" => context}}} = CommonAPI.post(user, %{status: "1"})
+
+      {:ok, %{id: id2}} = CommonAPI.post(user_two, %{status: "2", in_reply_to_status_id: id1})
+
+      {:ok, %{id: id3} = user_activity} =
+        CommonAPI.post(user, %{status: "3 test?", in_reply_to_status_id: id2})
+
+      {:ok, %{id: id4} = filtered_activity} =
+        CommonAPI.post(user_two, %{status: "4 test!", in_reply_to_status_id: id3})
+
+      {:ok, _} = CommonAPI.post(user, %{status: "5", in_reply_to_status_id: id4})
+
+      activities =
+        context
+        |> ActivityPub.fetch_activities_for_context(%{user: user})
+        |> Enum.map(& &1.id)
+
+      assert length(activities) == 4
+      assert user_activity.id in activities
+      refute filtered_activity.id in activities
+    end
   end
 
   test "doesn't return blocked activities" do
@@ -642,7 +676,7 @@ defmodule Pleroma.Web.ActivityPub.ActivityPubTest do
     refute activity in activities
 
     followed_user = insert(:user)
-    ActivityPub.follow(user, followed_user)
+    CommonAPI.follow(user, followed_user)
     {:ok, repeat_activity} = CommonAPI.repeat(activity.id, followed_user)
 
     activities = ActivityPub.fetch_activities([], %{blocking_user: user, skip_preload: true})
@@ -785,6 +819,75 @@ defmodule Pleroma.Web.ActivityPub.ActivityPubTest do
     assert activity == expected_activity
   end
 
+  describe "irreversible filters" do
+    setup do
+      user = insert(:user)
+      user_two = insert(:user)
+
+      insert(:filter, user: user_two, phrase: "cofe", hide: true)
+      insert(:filter, user: user_two, phrase: "ok boomer", hide: true)
+      insert(:filter, user: user_two, phrase: "test", hide: false)
+
+      params = %{
+        type: ["Create", "Announce"],
+        user: user_two
+      }
+
+      {:ok, %{user: user, user_two: user_two, params: params}}
+    end
+
+    test "it returns statuses if they don't contain exact filter words", %{
+      user: user,
+      params: params
+    } do
+      {:ok, _} = CommonAPI.post(user, %{status: "hey"})
+      {:ok, _} = CommonAPI.post(user, %{status: "got cofefe?"})
+      {:ok, _} = CommonAPI.post(user, %{status: "I am not a boomer"})
+      {:ok, _} = CommonAPI.post(user, %{status: "ok boomers"})
+      {:ok, _} = CommonAPI.post(user, %{status: "ccofee is not a word"})
+      {:ok, _} = CommonAPI.post(user, %{status: "this is a test"})
+
+      activities = ActivityPub.fetch_activities([], params)
+
+      assert Enum.count(activities) == 6
+    end
+
+    test "it does not filter user's own statuses", %{user_two: user_two, params: params} do
+      {:ok, _} = CommonAPI.post(user_two, %{status: "Give me some cofe!"})
+      {:ok, _} = CommonAPI.post(user_two, %{status: "ok boomer"})
+
+      activities = ActivityPub.fetch_activities([], params)
+
+      assert Enum.count(activities) == 2
+    end
+
+    test "it excludes statuses with filter words", %{user: user, params: params} do
+      {:ok, _} = CommonAPI.post(user, %{status: "Give me some cofe!"})
+      {:ok, _} = CommonAPI.post(user, %{status: "ok boomer"})
+      {:ok, _} = CommonAPI.post(user, %{status: "is it a cOfE?"})
+      {:ok, _} = CommonAPI.post(user, %{status: "cofe is all I need"})
+      {:ok, _} = CommonAPI.post(user, %{status: "— ok BOOMER\n"})
+
+      activities = ActivityPub.fetch_activities([], params)
+
+      assert Enum.empty?(activities)
+    end
+
+    test "it returns all statuses if user does not have any filters" do
+      another_user = insert(:user)
+      {:ok, _} = CommonAPI.post(another_user, %{status: "got cofe?"})
+      {:ok, _} = CommonAPI.post(another_user, %{status: "test!"})
+
+      activities =
+        ActivityPub.fetch_activities([], %{
+          type: ["Create", "Announce"],
+          user: another_user
+        })
+
+      assert Enum.count(activities) == 2
+    end
+  end
+
   describe "public fetch activities" do
     test "doesn't retrieve unlisted activities" do
       user = insert(:user)
@@ -917,24 +1020,12 @@ defmodule Pleroma.Web.ActivityPub.ActivityPubTest do
     end
   end
 
-  describe "following / unfollowing" do
-    test "it reverts follow activity" do
-      follower = insert(:user)
-      followed = insert(:user)
-
-      with_mock(Utils, [:passthrough], maybe_federate: fn _ -> {:error, :reverted} end) do
-        assert {:error, :reverted} = ActivityPub.follow(follower, followed)
-      end
-
-      assert Repo.aggregate(Activity, :count, :id) == 0
-      assert Repo.aggregate(Object, :count, :id) == 0
-    end
-
+  describe "unfollowing" do
     test "it reverts unfollow activity" do
       follower = insert(:user)
       followed = insert(:user)
 
-      {:ok, follow_activity} = ActivityPub.follow(follower, followed)
+      {:ok, _, _, follow_activity} = CommonAPI.follow(follower, followed)
 
       with_mock(Utils, [:passthrough], maybe_federate: fn _ -> {:error, :reverted} end) do
         assert {:error, :reverted} = ActivityPub.unfollow(follower, followed)
@@ -947,21 +1038,11 @@ defmodule Pleroma.Web.ActivityPub.ActivityPubTest do
       assert activity.data["object"] == followed.ap_id
     end
 
-    test "creates a follow activity" do
-      follower = insert(:user)
-      followed = insert(:user)
-
-      {:ok, activity} = ActivityPub.follow(follower, followed)
-      assert activity.data["type"] == "Follow"
-      assert activity.data["actor"] == follower.ap_id
-      assert activity.data["object"] == followed.ap_id
-    end
-
     test "creates an undo activity for the last follow" do
       follower = insert(:user)
       followed = insert(:user)
 
-      {:ok, follow_activity} = ActivityPub.follow(follower, followed)
+      {:ok, _, _, follow_activity} = CommonAPI.follow(follower, followed)
       {:ok, activity} = ActivityPub.unfollow(follower, followed)
 
       assert activity.data["type"] == "Undo"
@@ -978,7 +1059,7 @@ defmodule Pleroma.Web.ActivityPub.ActivityPubTest do
       follower = insert(:user)
       followed = insert(:user, %{locked: true})
 
-      {:ok, follow_activity} = ActivityPub.follow(follower, followed)
+      {:ok, _, _, follow_activity} = CommonAPI.follow(follower, followed)
       {:ok, activity} = ActivityPub.unfollow(follower, followed)
 
       assert activity.data["type"] == "Undo"
@@ -992,54 +1073,6 @@ defmodule Pleroma.Web.ActivityPub.ActivityPubTest do
     end
   end
 
-  describe "blocking" do
-    test "reverts block activity on error" do
-      [blocker, blocked] = insert_list(2, :user)
-
-      with_mock(Utils, [:passthrough], maybe_federate: fn _ -> {:error, :reverted} end) do
-        assert {:error, :reverted} = ActivityPub.block(blocker, blocked)
-      end
-
-      assert Repo.aggregate(Activity, :count, :id) == 0
-      assert Repo.aggregate(Object, :count, :id) == 0
-    end
-
-    test "creates a block activity" do
-      clear_config([:instance, :federating], true)
-      blocker = insert(:user)
-      blocked = insert(:user)
-
-      with_mock Pleroma.Web.Federator,
-        publish: fn _ -> nil end do
-        {:ok, activity} = ActivityPub.block(blocker, blocked)
-
-        assert activity.data["type"] == "Block"
-        assert activity.data["actor"] == blocker.ap_id
-        assert activity.data["object"] == blocked.ap_id
-
-        assert called(Pleroma.Web.Federator.publish(activity))
-      end
-    end
-
-    test "works with outgoing blocks disabled, but doesn't federate" do
-      clear_config([:instance, :federating], true)
-      clear_config([:activitypub, :outgoing_blocks], false)
-      blocker = insert(:user)
-      blocked = insert(:user)
-
-      with_mock Pleroma.Web.Federator,
-        publish: fn _ -> nil end do
-        {:ok, activity} = ActivityPub.block(blocker, blocked)
-
-        assert activity.data["type"] == "Block"
-        assert activity.data["actor"] == blocker.ap_id
-        assert activity.data["object"] == blocked.ap_id
-
-        refute called(Pleroma.Web.Federator.publish(:_))
-      end
-    end
-  end
-
   describe "timeline post-processing" do
     test "it filters broken threads" do
       user1 = insert(:user)
@@ -1411,7 +1444,7 @@ defmodule Pleroma.Web.ActivityPub.ActivityPubTest do
 
       assert_enqueued(worker: Pleroma.Workers.BackgroundWorker, args: params)
 
-      Pleroma.Workers.BackgroundWorker.perform(params, nil)
+      Pleroma.Workers.BackgroundWorker.perform(%Oban.Job{args: params})
 
       refute User.following?(follower, old_user)
       assert User.following?(follower, new_user)
@@ -2023,4 +2056,46 @@ defmodule Pleroma.Web.ActivityPub.ActivityPubTest do
       assert [%{activity_id: ^id_create}] = Pleroma.ActivityExpiration |> Repo.all()
     end
   end
+
+  describe "handling of clashing nicknames" do
+    test "renames an existing user with a clashing nickname and a different ap id" do
+      orig_user =
+        insert(
+          :user,
+          local: false,
+          nickname: "admin@mastodon.example.org",
+          ap_id: "http://mastodon.example.org/users/harinezumigari"
+        )
+
+      %{
+        nickname: orig_user.nickname,
+        ap_id: orig_user.ap_id <> "part_2"
+      }
+      |> ActivityPub.maybe_handle_clashing_nickname()
+
+      user = User.get_by_id(orig_user.id)
+
+      assert user.nickname == "#{orig_user.id}.admin@mastodon.example.org"
+    end
+
+    test "does nothing with a clashing nickname and the same ap id" do
+      orig_user =
+        insert(
+          :user,
+          local: false,
+          nickname: "admin@mastodon.example.org",
+          ap_id: "http://mastodon.example.org/users/harinezumigari"
+        )
+
+      %{
+        nickname: orig_user.nickname,
+        ap_id: orig_user.ap_id
+      }
+      |> ActivityPub.maybe_handle_clashing_nickname()
+
+      user = User.get_by_id(orig_user.id)
+
+      assert user.nickname == orig_user.nickname
+    end
+  end
 end
diff --git a/test/web/activity_pub/mrf/anti_followbot_policy_test.exs b/test/web/activity_pub/mrf/anti_followbot_policy_test.exs
index fca0de7c6..3c795f5ac 100644
--- a/test/web/activity_pub/mrf/anti_followbot_policy_test.exs
+++ b/test/web/activity_pub/mrf/anti_followbot_policy_test.exs
@@ -21,7 +21,7 @@ defmodule Pleroma.Web.ActivityPub.MRF.AntiFollowbotPolicyTest do
         "id" => "https://example.com/activities/1234"
       }
 
-      {:reject, nil} = AntiFollowbotPolicy.filter(message)
+      assert {:reject, "[AntiFollowbotPolicy]" <> _} = AntiFollowbotPolicy.filter(message)
     end
 
     test "matches followbots by display name" do
@@ -36,7 +36,7 @@ defmodule Pleroma.Web.ActivityPub.MRF.AntiFollowbotPolicyTest do
         "id" => "https://example.com/activities/1234"
       }
 
-      {:reject, nil} = AntiFollowbotPolicy.filter(message)
+      assert {:reject, "[AntiFollowbotPolicy]" <> _} = AntiFollowbotPolicy.filter(message)
     end
   end
 
diff --git a/test/web/activity_pub/mrf/anti_link_spam_policy_test.exs b/test/web/activity_pub/mrf/anti_link_spam_policy_test.exs
index 1a13699be..6867c9853 100644
--- a/test/web/activity_pub/mrf/anti_link_spam_policy_test.exs
+++ b/test/web/activity_pub/mrf/anti_link_spam_policy_test.exs
@@ -33,7 +33,7 @@ defmodule Pleroma.Web.ActivityPub.MRF.AntiLinkSpamPolicyTest do
 
   describe "with new user" do
     test "it allows posts without links" do
-      user = insert(:user)
+      user = insert(:user, local: false)
 
       assert user.note_count == 0
 
@@ -45,7 +45,7 @@ defmodule Pleroma.Web.ActivityPub.MRF.AntiLinkSpamPolicyTest do
     end
 
     test "it disallows posts with links" do
-      user = insert(:user)
+      user = insert(:user, local: false)
 
       assert user.note_count == 0
 
@@ -55,6 +55,18 @@ defmodule Pleroma.Web.ActivityPub.MRF.AntiLinkSpamPolicyTest do
 
       {:reject, _} = AntiLinkSpamPolicy.filter(message)
     end
+
+    test "it allows posts with links for local users" do
+      user = insert(:user)
+
+      assert user.note_count == 0
+
+      message =
+        @linkful_message
+        |> Map.put("actor", user.ap_id)
+
+      {:ok, _message} = AntiLinkSpamPolicy.filter(message)
+    end
   end
 
   describe "with old user" do
diff --git a/test/web/activity_pub/mrf/hellthread_policy_test.exs b/test/web/activity_pub/mrf/hellthread_policy_test.exs
index 6e9daa7f9..26f5bcdaa 100644
--- a/test/web/activity_pub/mrf/hellthread_policy_test.exs
+++ b/test/web/activity_pub/mrf/hellthread_policy_test.exs
@@ -50,7 +50,8 @@ defmodule Pleroma.Web.ActivityPub.MRF.HellthreadPolicyTest do
     } do
       Pleroma.Config.put([:mrf_hellthread], %{delist_threshold: 0, reject_threshold: 2})
 
-      {:reject, nil} = filter(message)
+      assert {:reject, "[HellthreadPolicy] 3 recipients is over the limit of 2"} ==
+               filter(message)
     end
 
     test "does not reject the message if the recipient count is below reject_threshold", %{
diff --git a/test/web/activity_pub/mrf/keyword_policy_test.exs b/test/web/activity_pub/mrf/keyword_policy_test.exs
index fd1f7aec8..b3d0f3d90 100644
--- a/test/web/activity_pub/mrf/keyword_policy_test.exs
+++ b/test/web/activity_pub/mrf/keyword_policy_test.exs
@@ -25,7 +25,8 @@ defmodule Pleroma.Web.ActivityPub.MRF.KeywordPolicyTest do
         }
       }
 
-      assert {:reject, nil} == KeywordPolicy.filter(message)
+      assert {:reject, "[KeywordPolicy] Matches with rejected keyword"} =
+               KeywordPolicy.filter(message)
     end
 
     test "rejects if string matches in summary" do
@@ -39,7 +40,8 @@ defmodule Pleroma.Web.ActivityPub.MRF.KeywordPolicyTest do
         }
       }
 
-      assert {:reject, nil} == KeywordPolicy.filter(message)
+      assert {:reject, "[KeywordPolicy] Matches with rejected keyword"} =
+               KeywordPolicy.filter(message)
     end
 
     test "rejects if regex matches in content" do
@@ -55,7 +57,8 @@ defmodule Pleroma.Web.ActivityPub.MRF.KeywordPolicyTest do
                    }
                  }
 
-                 {:reject, nil} == KeywordPolicy.filter(message)
+                 {:reject, "[KeywordPolicy] Matches with rejected keyword"} ==
+                   KeywordPolicy.filter(message)
                end)
     end
 
@@ -72,7 +75,8 @@ defmodule Pleroma.Web.ActivityPub.MRF.KeywordPolicyTest do
                    }
                  }
 
-                 {:reject, nil} == KeywordPolicy.filter(message)
+                 {:reject, "[KeywordPolicy] Matches with rejected keyword"} ==
+                   KeywordPolicy.filter(message)
                end)
     end
   end
diff --git a/test/web/activity_pub/mrf/mention_policy_test.exs b/test/web/activity_pub/mrf/mention_policy_test.exs
index aa003bef5..220309cc9 100644
--- a/test/web/activity_pub/mrf/mention_policy_test.exs
+++ b/test/web/activity_pub/mrf/mention_policy_test.exs
@@ -76,7 +76,8 @@ defmodule Pleroma.Web.ActivityPub.MRF.MentionPolicyTest do
         "to" => ["https://example.com/blocked"]
       }
 
-      assert MentionPolicy.filter(message) == {:reject, nil}
+      assert MentionPolicy.filter(message) ==
+               {:reject, "[MentionPolicy] Rejected for mention of https://example.com/blocked"}
     end
 
     test "cc" do
@@ -88,7 +89,8 @@ defmodule Pleroma.Web.ActivityPub.MRF.MentionPolicyTest do
         "cc" => ["https://example.com/blocked"]
       }
 
-      assert MentionPolicy.filter(message) == {:reject, nil}
+      assert MentionPolicy.filter(message) ==
+               {:reject, "[MentionPolicy] Rejected for mention of https://example.com/blocked"}
     end
   end
 end
diff --git a/test/web/activity_pub/mrf/reject_non_public_test.exs b/test/web/activity_pub/mrf/reject_non_public_test.exs
index f36299b86..58b46b9a2 100644
--- a/test/web/activity_pub/mrf/reject_non_public_test.exs
+++ b/test/web/activity_pub/mrf/reject_non_public_test.exs
@@ -64,7 +64,7 @@ defmodule Pleroma.Web.ActivityPub.MRF.RejectNonPublicTest do
       }
 
       Pleroma.Config.put([:mrf_rejectnonpublic, :allow_followersonly], false)
-      assert {:reject, nil} = RejectNonPublic.filter(message)
+      assert {:reject, _} = RejectNonPublic.filter(message)
     end
   end
 
@@ -94,7 +94,7 @@ defmodule Pleroma.Web.ActivityPub.MRF.RejectNonPublicTest do
       }
 
       Pleroma.Config.put([:mrf_rejectnonpublic, :allow_direct], false)
-      assert {:reject, nil} = RejectNonPublic.filter(message)
+      assert {:reject, _} = RejectNonPublic.filter(message)
     end
   end
 end
diff --git a/test/web/activity_pub/mrf/simple_policy_test.exs b/test/web/activity_pub/mrf/simple_policy_test.exs
index b7b9bc6a2..e842d8d8d 100644
--- a/test/web/activity_pub/mrf/simple_policy_test.exs
+++ b/test/web/activity_pub/mrf/simple_policy_test.exs
@@ -124,7 +124,7 @@ defmodule Pleroma.Web.ActivityPub.MRF.SimplePolicyTest do
       report_message = build_report_message()
       local_message = build_local_message()
 
-      assert SimplePolicy.filter(report_message) == {:reject, nil}
+      assert {:reject, _} = SimplePolicy.filter(report_message)
       assert SimplePolicy.filter(local_message) == {:ok, local_message}
     end
 
@@ -133,7 +133,7 @@ defmodule Pleroma.Web.ActivityPub.MRF.SimplePolicyTest do
       report_message = build_report_message()
       local_message = build_local_message()
 
-      assert SimplePolicy.filter(report_message) == {:reject, nil}
+      assert {:reject, _} = SimplePolicy.filter(report_message)
       assert SimplePolicy.filter(local_message) == {:ok, local_message}
     end
   end
@@ -241,7 +241,7 @@ defmodule Pleroma.Web.ActivityPub.MRF.SimplePolicyTest do
 
       remote_message = build_remote_message()
 
-      assert SimplePolicy.filter(remote_message) == {:reject, nil}
+      assert {:reject, _} = SimplePolicy.filter(remote_message)
     end
 
     test "activity matches with wildcard domain" do
@@ -249,7 +249,7 @@ defmodule Pleroma.Web.ActivityPub.MRF.SimplePolicyTest do
 
       remote_message = build_remote_message()
 
-      assert SimplePolicy.filter(remote_message) == {:reject, nil}
+      assert {:reject, _} = SimplePolicy.filter(remote_message)
     end
 
     test "actor has a matching host" do
@@ -257,7 +257,7 @@ defmodule Pleroma.Web.ActivityPub.MRF.SimplePolicyTest do
 
       remote_user = build_remote_user()
 
-      assert SimplePolicy.filter(remote_user) == {:reject, nil}
+      assert {:reject, _} = SimplePolicy.filter(remote_user)
     end
   end
 
@@ -279,7 +279,7 @@ defmodule Pleroma.Web.ActivityPub.MRF.SimplePolicyTest do
       remote_message = build_remote_message()
 
       assert SimplePolicy.filter(local_message) == {:ok, local_message}
-      assert SimplePolicy.filter(remote_message) == {:reject, nil}
+      assert {:reject, _} = SimplePolicy.filter(remote_message)
     end
 
     test "activity has a matching host" do
@@ -429,7 +429,7 @@ defmodule Pleroma.Web.ActivityPub.MRF.SimplePolicyTest do
     test "it rejects the deletion" do
       deletion_message = build_remote_deletion_message()
 
-      assert SimplePolicy.filter(deletion_message) == {:reject, nil}
+      assert {:reject, _} = SimplePolicy.filter(deletion_message)
     end
   end
 
@@ -439,7 +439,7 @@ defmodule Pleroma.Web.ActivityPub.MRF.SimplePolicyTest do
     test "it rejects the deletion" do
       deletion_message = build_remote_deletion_message()
 
-      assert SimplePolicy.filter(deletion_message) == {:reject, nil}
+      assert {:reject, _} = SimplePolicy.filter(deletion_message)
     end
   end
 
diff --git a/test/web/activity_pub/mrf/tag_policy_test.exs b/test/web/activity_pub/mrf/tag_policy_test.exs
index e7793641a..6ff71d640 100644
--- a/test/web/activity_pub/mrf/tag_policy_test.exs
+++ b/test/web/activity_pub/mrf/tag_policy_test.exs
@@ -12,8 +12,8 @@ defmodule Pleroma.Web.ActivityPub.MRF.TagPolicyTest do
   describe "mrf_tag:disable-any-subscription" do
     test "rejects message" do
       actor = insert(:user, tags: ["mrf_tag:disable-any-subscription"])
-      message = %{"object" => actor.ap_id, "type" => "Follow"}
-      assert {:reject, nil} = TagPolicy.filter(message)
+      message = %{"object" => actor.ap_id, "type" => "Follow", "actor" => actor.ap_id}
+      assert {:reject, _} = TagPolicy.filter(message)
     end
   end
 
@@ -22,7 +22,7 @@ defmodule Pleroma.Web.ActivityPub.MRF.TagPolicyTest do
       actor = insert(:user, tags: ["mrf_tag:disable-remote-subscription"])
       follower = insert(:user, tags: ["mrf_tag:disable-remote-subscription"], local: false)
       message = %{"object" => actor.ap_id, "type" => "Follow", "actor" => follower.ap_id}
-      assert {:reject, nil} = TagPolicy.filter(message)
+      assert {:reject, _} = TagPolicy.filter(message)
     end
 
     test "allows non-local follow requests" do
diff --git a/test/web/activity_pub/mrf/user_allowlist_policy_test.exs b/test/web/activity_pub/mrf/user_allowlist_policy_test.exs
index ba1b69658..8e1ad5bc8 100644
--- a/test/web/activity_pub/mrf/user_allowlist_policy_test.exs
+++ b/test/web/activity_pub/mrf/user_allowlist_policy_test.exs
@@ -26,6 +26,6 @@ defmodule Pleroma.Web.ActivityPub.MRF.UserAllowListPolicyTest do
     actor = insert(:user)
     Pleroma.Config.put([:mrf_user_allowlist], %{"localhost" => ["test-ap-id"]})
     message = %{"actor" => actor.ap_id}
-    assert UserAllowListPolicy.filter(message) == {:reject, nil}
+    assert {:reject, _} = UserAllowListPolicy.filter(message)
   end
 end
diff --git a/test/web/activity_pub/mrf/vocabulary_policy_test.exs b/test/web/activity_pub/mrf/vocabulary_policy_test.exs
index 69f22bb77..2bceb67ee 100644
--- a/test/web/activity_pub/mrf/vocabulary_policy_test.exs
+++ b/test/web/activity_pub/mrf/vocabulary_policy_test.exs
@@ -46,7 +46,7 @@ defmodule Pleroma.Web.ActivityPub.MRF.VocabularyPolicyTest do
         }
       }
 
-      {:reject, nil} = VocabularyPolicy.filter(message)
+      {:reject, _} = VocabularyPolicy.filter(message)
     end
 
     test "it does not accept disallowed parent types" do
@@ -60,7 +60,7 @@ defmodule Pleroma.Web.ActivityPub.MRF.VocabularyPolicyTest do
         }
       }
 
-      {:reject, nil} = VocabularyPolicy.filter(message)
+      {:reject, _} = VocabularyPolicy.filter(message)
     end
   end
 
@@ -75,7 +75,7 @@ defmodule Pleroma.Web.ActivityPub.MRF.VocabularyPolicyTest do
         "object" => "whatever"
       }
 
-      {:reject, nil} = VocabularyPolicy.filter(message)
+      {:reject, _} = VocabularyPolicy.filter(message)
     end
 
     test "it rejects based on child object type" do
@@ -89,7 +89,7 @@ defmodule Pleroma.Web.ActivityPub.MRF.VocabularyPolicyTest do
         }
       }
 
-      {:reject, nil} = VocabularyPolicy.filter(message)
+      {:reject, _} = VocabularyPolicy.filter(message)
     end
 
     test "it passes through objects that aren't disallowed" do
diff --git a/test/web/activity_pub/object_validator_test.exs b/test/web/activity_pub/object_validator_test.exs
deleted file mode 100644
index 770a8dcf8..000000000
--- a/test/web/activity_pub/object_validator_test.exs
+++ /dev/null
@@ -1,657 +0,0 @@
-defmodule Pleroma.Web.ActivityPub.ObjectValidatorTest do
-  use Pleroma.DataCase
-
-  alias Pleroma.Object
-  alias Pleroma.Web.ActivityPub.ActivityPub
-  alias Pleroma.Web.ActivityPub.Builder
-  alias Pleroma.Web.ActivityPub.ObjectValidator
-  alias Pleroma.Web.ActivityPub.ObjectValidators.AttachmentValidator
-  alias Pleroma.Web.ActivityPub.ObjectValidators.LikeValidator
-  alias Pleroma.Web.ActivityPub.Utils
-  alias Pleroma.Web.CommonAPI
-
-  import Pleroma.Factory
-
-  describe "attachments" do
-    test "works with honkerific attachments" do
-      attachment = %{
-        "mediaType" => "",
-        "name" => "",
-        "summary" => "298p3RG7j27tfsZ9RQ.jpg",
-        "type" => "Document",
-        "url" => "https://honk.tedunangst.com/d/298p3RG7j27tfsZ9RQ.jpg"
-      }
-
-      assert {:ok, attachment} =
-               AttachmentValidator.cast_and_validate(attachment)
-               |> Ecto.Changeset.apply_action(:insert)
-
-      assert attachment.mediaType == "application/octet-stream"
-    end
-
-    test "it turns mastodon attachments into our attachments" do
-      attachment = %{
-        "url" =>
-          "http://mastodon.example.org/system/media_attachments/files/000/000/002/original/334ce029e7bfb920.jpg",
-        "type" => "Document",
-        "name" => nil,
-        "mediaType" => "image/jpeg"
-      }
-
-      {:ok, attachment} =
-        AttachmentValidator.cast_and_validate(attachment)
-        |> Ecto.Changeset.apply_action(:insert)
-
-      assert [
-               %{
-                 href:
-                   "http://mastodon.example.org/system/media_attachments/files/000/000/002/original/334ce029e7bfb920.jpg",
-                 type: "Link",
-                 mediaType: "image/jpeg"
-               }
-             ] = attachment.url
-
-      assert attachment.mediaType == "image/jpeg"
-    end
-
-    test "it handles our own uploads" do
-      user = insert(:user)
-
-      file = %Plug.Upload{
-        content_type: "image/jpg",
-        path: Path.absname("test/fixtures/image.jpg"),
-        filename: "an_image.jpg"
-      }
-
-      {:ok, attachment} = ActivityPub.upload(file, actor: user.ap_id)
-
-      {:ok, attachment} =
-        attachment.data
-        |> AttachmentValidator.cast_and_validate()
-        |> Ecto.Changeset.apply_action(:insert)
-
-      assert attachment.mediaType == "image/jpeg"
-    end
-  end
-
-  describe "chat message create activities" do
-    test "it is invalid if the object already exists" do
-      user = insert(:user)
-      recipient = insert(:user)
-      {:ok, activity} = CommonAPI.post_chat_message(user, recipient, "hey")
-      object = Object.normalize(activity, false)
-
-      {:ok, create_data, _} = Builder.create(user, object.data, [recipient.ap_id])
-
-      {:error, cng} = ObjectValidator.validate(create_data, [])
-
-      assert {:object, {"The object to create already exists", []}} in cng.errors
-    end
-
-    test "it is invalid if the object data has a different `to` or `actor` field" do
-      user = insert(:user)
-      recipient = insert(:user)
-      {:ok, object_data, _} = Builder.chat_message(recipient, user.ap_id, "Hey")
-
-      {:ok, create_data, _} = Builder.create(user, object_data, [recipient.ap_id])
-
-      {:error, cng} = ObjectValidator.validate(create_data, [])
-
-      assert {:to, {"Recipients don't match with object recipients", []}} in cng.errors
-      assert {:actor, {"Actor doesn't match with object actor", []}} in cng.errors
-    end
-  end
-
-  describe "chat messages" do
-    setup do
-      clear_config([:instance, :remote_limit])
-      user = insert(:user)
-      recipient = insert(:user, local: false)
-
-      {:ok, valid_chat_message, _} = Builder.chat_message(user, recipient.ap_id, "hey :firefox:")
-
-      %{user: user, recipient: recipient, valid_chat_message: valid_chat_message}
-    end
-
-    test "let's through some basic html", %{user: user, recipient: recipient} do
-      {:ok, valid_chat_message, _} =
-        Builder.chat_message(
-          user,
-          recipient.ap_id,
-          "hey <a href='https://example.org'>example</a> <script>alert('uguu')</script>"
-        )
-
-      assert {:ok, object, _meta} = ObjectValidator.validate(valid_chat_message, [])
-
-      assert object["content"] ==
-               "hey <a href=\"https://example.org\">example</a> alert(&#39;uguu&#39;)"
-    end
-
-    test "validates for a basic object we build", %{valid_chat_message: valid_chat_message} do
-      assert {:ok, object, _meta} = ObjectValidator.validate(valid_chat_message, [])
-
-      assert Map.put(valid_chat_message, "attachment", nil) == object
-    end
-
-    test "validates for a basic object with an attachment", %{
-      valid_chat_message: valid_chat_message,
-      user: user
-    } do
-      file = %Plug.Upload{
-        content_type: "image/jpg",
-        path: Path.absname("test/fixtures/image.jpg"),
-        filename: "an_image.jpg"
-      }
-
-      {:ok, attachment} = ActivityPub.upload(file, actor: user.ap_id)
-
-      valid_chat_message =
-        valid_chat_message
-        |> Map.put("attachment", attachment.data)
-
-      assert {:ok, object, _meta} = ObjectValidator.validate(valid_chat_message, [])
-
-      assert object["attachment"]
-    end
-
-    test "validates for a basic object with an attachment in an array", %{
-      valid_chat_message: valid_chat_message,
-      user: user
-    } do
-      file = %Plug.Upload{
-        content_type: "image/jpg",
-        path: Path.absname("test/fixtures/image.jpg"),
-        filename: "an_image.jpg"
-      }
-
-      {:ok, attachment} = ActivityPub.upload(file, actor: user.ap_id)
-
-      valid_chat_message =
-        valid_chat_message
-        |> Map.put("attachment", [attachment.data])
-
-      assert {:ok, object, _meta} = ObjectValidator.validate(valid_chat_message, [])
-
-      assert object["attachment"]
-    end
-
-    test "validates for a basic object with an attachment but without content", %{
-      valid_chat_message: valid_chat_message,
-      user: user
-    } do
-      file = %Plug.Upload{
-        content_type: "image/jpg",
-        path: Path.absname("test/fixtures/image.jpg"),
-        filename: "an_image.jpg"
-      }
-
-      {:ok, attachment} = ActivityPub.upload(file, actor: user.ap_id)
-
-      valid_chat_message =
-        valid_chat_message
-        |> Map.put("attachment", attachment.data)
-        |> Map.delete("content")
-
-      assert {:ok, object, _meta} = ObjectValidator.validate(valid_chat_message, [])
-
-      assert object["attachment"]
-    end
-
-    test "does not validate if the message has no content", %{
-      valid_chat_message: valid_chat_message
-    } do
-      contentless =
-        valid_chat_message
-        |> Map.delete("content")
-
-      refute match?({:ok, _object, _meta}, ObjectValidator.validate(contentless, []))
-    end
-
-    test "does not validate if the message is longer than the remote_limit", %{
-      valid_chat_message: valid_chat_message
-    } do
-      Pleroma.Config.put([:instance, :remote_limit], 2)
-      refute match?({:ok, _object, _meta}, ObjectValidator.validate(valid_chat_message, []))
-    end
-
-    test "does not validate if the recipient is blocking the actor", %{
-      valid_chat_message: valid_chat_message,
-      user: user,
-      recipient: recipient
-    } do
-      Pleroma.User.block(recipient, user)
-      refute match?({:ok, _object, _meta}, ObjectValidator.validate(valid_chat_message, []))
-    end
-
-    test "does not validate if the actor or the recipient is not in our system", %{
-      valid_chat_message: valid_chat_message
-    } do
-      chat_message =
-        valid_chat_message
-        |> Map.put("actor", "https://raymoo.com/raymoo")
-
-      {:error, _} = ObjectValidator.validate(chat_message, [])
-
-      chat_message =
-        valid_chat_message
-        |> Map.put("to", ["https://raymoo.com/raymoo"])
-
-      {:error, _} = ObjectValidator.validate(chat_message, [])
-    end
-
-    test "does not validate for a message with multiple recipients", %{
-      valid_chat_message: valid_chat_message,
-      user: user,
-      recipient: recipient
-    } do
-      chat_message =
-        valid_chat_message
-        |> Map.put("to", [user.ap_id, recipient.ap_id])
-
-      assert {:error, _} = ObjectValidator.validate(chat_message, [])
-    end
-
-    test "does not validate if it doesn't concern local users" do
-      user = insert(:user, local: false)
-      recipient = insert(:user, local: false)
-
-      {:ok, valid_chat_message, _} = Builder.chat_message(user, recipient.ap_id, "hey")
-      assert {:error, _} = ObjectValidator.validate(valid_chat_message, [])
-    end
-  end
-
-  describe "EmojiReacts" do
-    setup do
-      user = insert(:user)
-      {:ok, post_activity} = CommonAPI.post(user, %{status: "uguu"})
-
-      object = Pleroma.Object.get_by_ap_id(post_activity.data["object"])
-
-      {:ok, valid_emoji_react, []} = Builder.emoji_react(user, object, "👌")
-
-      %{user: user, post_activity: post_activity, valid_emoji_react: valid_emoji_react}
-    end
-
-    test "it validates a valid EmojiReact", %{valid_emoji_react: valid_emoji_react} do
-      assert {:ok, _, _} = ObjectValidator.validate(valid_emoji_react, [])
-    end
-
-    test "it is not valid without a 'content' field", %{valid_emoji_react: valid_emoji_react} do
-      without_content =
-        valid_emoji_react
-        |> Map.delete("content")
-
-      {:error, cng} = ObjectValidator.validate(without_content, [])
-
-      refute cng.valid?
-      assert {:content, {"can't be blank", [validation: :required]}} in cng.errors
-    end
-
-    test "it is not valid with a non-emoji content field", %{valid_emoji_react: valid_emoji_react} do
-      without_emoji_content =
-        valid_emoji_react
-        |> Map.put("content", "x")
-
-      {:error, cng} = ObjectValidator.validate(without_emoji_content, [])
-
-      refute cng.valid?
-
-      assert {:content, {"must be a single character emoji", []}} in cng.errors
-    end
-  end
-
-  describe "Undos" do
-    setup do
-      user = insert(:user)
-      {:ok, post_activity} = CommonAPI.post(user, %{status: "uguu"})
-      {:ok, like} = CommonAPI.favorite(user, post_activity.id)
-      {:ok, valid_like_undo, []} = Builder.undo(user, like)
-
-      %{user: user, like: like, valid_like_undo: valid_like_undo}
-    end
-
-    test "it validates a basic like undo", %{valid_like_undo: valid_like_undo} do
-      assert {:ok, _, _} = ObjectValidator.validate(valid_like_undo, [])
-    end
-
-    test "it does not validate if the actor of the undo is not the actor of the object", %{
-      valid_like_undo: valid_like_undo
-    } do
-      other_user = insert(:user, ap_id: "https://gensokyo.2hu/users/raymoo")
-
-      bad_actor =
-        valid_like_undo
-        |> Map.put("actor", other_user.ap_id)
-
-      {:error, cng} = ObjectValidator.validate(bad_actor, [])
-
-      assert {:actor, {"not the same as object actor", []}} in cng.errors
-    end
-
-    test "it does not validate if the object is missing", %{valid_like_undo: valid_like_undo} do
-      missing_object =
-        valid_like_undo
-        |> Map.put("object", "https://gensokyo.2hu/objects/1")
-
-      {:error, cng} = ObjectValidator.validate(missing_object, [])
-
-      assert {:object, {"can't find object", []}} in cng.errors
-      assert length(cng.errors) == 1
-    end
-  end
-
-  describe "deletes" do
-    setup do
-      user = insert(:user)
-      {:ok, post_activity} = CommonAPI.post(user, %{status: "cancel me daddy"})
-
-      {:ok, valid_post_delete, _} = Builder.delete(user, post_activity.data["object"])
-      {:ok, valid_user_delete, _} = Builder.delete(user, user.ap_id)
-
-      %{user: user, valid_post_delete: valid_post_delete, valid_user_delete: valid_user_delete}
-    end
-
-    test "it is valid for a post deletion", %{valid_post_delete: valid_post_delete} do
-      {:ok, valid_post_delete, _} = ObjectValidator.validate(valid_post_delete, [])
-
-      assert valid_post_delete["deleted_activity_id"]
-    end
-
-    test "it is invalid if the object isn't in a list of certain types", %{
-      valid_post_delete: valid_post_delete
-    } do
-      object = Object.get_by_ap_id(valid_post_delete["object"])
-
-      data =
-        object.data
-        |> Map.put("type", "Like")
-
-      {:ok, _object} =
-        object
-        |> Ecto.Changeset.change(%{data: data})
-        |> Object.update_and_set_cache()
-
-      {:error, cng} = ObjectValidator.validate(valid_post_delete, [])
-      assert {:object, {"object not in allowed types", []}} in cng.errors
-    end
-
-    test "it is valid for a user deletion", %{valid_user_delete: valid_user_delete} do
-      assert match?({:ok, _, _}, ObjectValidator.validate(valid_user_delete, []))
-    end
-
-    test "it's invalid if the id is missing", %{valid_post_delete: valid_post_delete} do
-      no_id =
-        valid_post_delete
-        |> Map.delete("id")
-
-      {:error, cng} = ObjectValidator.validate(no_id, [])
-
-      assert {:id, {"can't be blank", [validation: :required]}} in cng.errors
-    end
-
-    test "it's invalid if the object doesn't exist", %{valid_post_delete: valid_post_delete} do
-      missing_object =
-        valid_post_delete
-        |> Map.put("object", "http://does.not/exist")
-
-      {:error, cng} = ObjectValidator.validate(missing_object, [])
-
-      assert {:object, {"can't find object", []}} in cng.errors
-    end
-
-    test "it's invalid if the actor of the object and the actor of delete are from different domains",
-         %{valid_post_delete: valid_post_delete} do
-      valid_user = insert(:user)
-
-      valid_other_actor =
-        valid_post_delete
-        |> Map.put("actor", valid_user.ap_id)
-
-      assert match?({:ok, _, _}, ObjectValidator.validate(valid_other_actor, []))
-
-      invalid_other_actor =
-        valid_post_delete
-        |> Map.put("actor", "https://gensokyo.2hu/users/raymoo")
-
-      {:error, cng} = ObjectValidator.validate(invalid_other_actor, [])
-
-      assert {:actor, {"is not allowed to delete object", []}} in cng.errors
-    end
-
-    test "it's valid if the actor of the object is a local superuser",
-         %{valid_post_delete: valid_post_delete} do
-      user =
-        insert(:user, local: true, is_moderator: true, ap_id: "https://gensokyo.2hu/users/raymoo")
-
-      valid_other_actor =
-        valid_post_delete
-        |> Map.put("actor", user.ap_id)
-
-      {:ok, _, meta} = ObjectValidator.validate(valid_other_actor, [])
-      assert meta[:do_not_federate]
-    end
-  end
-
-  describe "likes" do
-    setup do
-      user = insert(:user)
-      {:ok, post_activity} = CommonAPI.post(user, %{status: "uguu"})
-
-      valid_like = %{
-        "to" => [user.ap_id],
-        "cc" => [],
-        "type" => "Like",
-        "id" => Utils.generate_activity_id(),
-        "object" => post_activity.data["object"],
-        "actor" => user.ap_id,
-        "context" => "a context"
-      }
-
-      %{valid_like: valid_like, user: user, post_activity: post_activity}
-    end
-
-    test "returns ok when called in the ObjectValidator", %{valid_like: valid_like} do
-      {:ok, object, _meta} = ObjectValidator.validate(valid_like, [])
-
-      assert "id" in Map.keys(object)
-    end
-
-    test "is valid for a valid object", %{valid_like: valid_like} do
-      assert LikeValidator.cast_and_validate(valid_like).valid?
-    end
-
-    test "sets the 'to' field to the object actor if no recipients are given", %{
-      valid_like: valid_like,
-      user: user
-    } do
-      without_recipients =
-        valid_like
-        |> Map.delete("to")
-
-      {:ok, object, _meta} = ObjectValidator.validate(without_recipients, [])
-
-      assert object["to"] == [user.ap_id]
-    end
-
-    test "sets the context field to the context of the object if no context is given", %{
-      valid_like: valid_like,
-      post_activity: post_activity
-    } do
-      without_context =
-        valid_like
-        |> Map.delete("context")
-
-      {:ok, object, _meta} = ObjectValidator.validate(without_context, [])
-
-      assert object["context"] == post_activity.data["context"]
-    end
-
-    test "it errors when the actor is missing or not known", %{valid_like: valid_like} do
-      without_actor = Map.delete(valid_like, "actor")
-
-      refute LikeValidator.cast_and_validate(without_actor).valid?
-
-      with_invalid_actor = Map.put(valid_like, "actor", "invalidactor")
-
-      refute LikeValidator.cast_and_validate(with_invalid_actor).valid?
-    end
-
-    test "it errors when the object is missing or not known", %{valid_like: valid_like} do
-      without_object = Map.delete(valid_like, "object")
-
-      refute LikeValidator.cast_and_validate(without_object).valid?
-
-      with_invalid_object = Map.put(valid_like, "object", "invalidobject")
-
-      refute LikeValidator.cast_and_validate(with_invalid_object).valid?
-    end
-
-    test "it errors when the actor has already like the object", %{
-      valid_like: valid_like,
-      user: user,
-      post_activity: post_activity
-    } do
-      _like = CommonAPI.favorite(user, post_activity.id)
-
-      refute LikeValidator.cast_and_validate(valid_like).valid?
-    end
-
-    test "it works when actor or object are wrapped in maps", %{valid_like: valid_like} do
-      wrapped_like =
-        valid_like
-        |> Map.put("actor", %{"id" => valid_like["actor"]})
-        |> Map.put("object", %{"id" => valid_like["object"]})
-
-      validated = LikeValidator.cast_and_validate(wrapped_like)
-
-      assert validated.valid?
-
-      assert {:actor, valid_like["actor"]} in validated.changes
-      assert {:object, valid_like["object"]} in validated.changes
-    end
-  end
-
-  describe "announces" do
-    setup do
-      user = insert(:user)
-      announcer = insert(:user)
-      {:ok, post_activity} = CommonAPI.post(user, %{status: "uguu"})
-
-      object = Object.normalize(post_activity, false)
-      {:ok, valid_announce, []} = Builder.announce(announcer, object)
-
-      %{
-        valid_announce: valid_announce,
-        user: user,
-        post_activity: post_activity,
-        announcer: announcer
-      }
-    end
-
-    test "returns ok for a valid announce", %{valid_announce: valid_announce} do
-      assert {:ok, _object, _meta} = ObjectValidator.validate(valid_announce, [])
-    end
-
-    test "returns an error if the object can't be found", %{valid_announce: valid_announce} do
-      without_object =
-        valid_announce
-        |> Map.delete("object")
-
-      {:error, cng} = ObjectValidator.validate(without_object, [])
-
-      assert {:object, {"can't be blank", [validation: :required]}} in cng.errors
-
-      nonexisting_object =
-        valid_announce
-        |> Map.put("object", "https://gensokyo.2hu/objects/99999999")
-
-      {:error, cng} = ObjectValidator.validate(nonexisting_object, [])
-
-      assert {:object, {"can't find object", []}} in cng.errors
-    end
-
-    test "returns an error if we don't have the actor", %{valid_announce: valid_announce} do
-      nonexisting_actor =
-        valid_announce
-        |> Map.put("actor", "https://gensokyo.2hu/users/raymoo")
-
-      {:error, cng} = ObjectValidator.validate(nonexisting_actor, [])
-
-      assert {:actor, {"can't find user", []}} in cng.errors
-    end
-
-    test "returns an error if the actor already announced the object", %{
-      valid_announce: valid_announce,
-      announcer: announcer,
-      post_activity: post_activity
-    } do
-      _announce = CommonAPI.repeat(post_activity.id, announcer)
-
-      {:error, cng} = ObjectValidator.validate(valid_announce, [])
-
-      assert {:actor, {"already announced this object", []}} in cng.errors
-      assert {:object, {"already announced by this actor", []}} in cng.errors
-    end
-
-    test "returns an error if the actor can't announce the object", %{
-      announcer: announcer,
-      user: user
-    } do
-      {:ok, post_activity} =
-        CommonAPI.post(user, %{status: "a secret post", visibility: "private"})
-
-      object = Object.normalize(post_activity, false)
-
-      # Another user can't announce it
-      {:ok, announce, []} = Builder.announce(announcer, object, public: false)
-
-      {:error, cng} = ObjectValidator.validate(announce, [])
-
-      assert {:actor, {"can not announce this object", []}} in cng.errors
-
-      # The actor of the object can announce it
-      {:ok, announce, []} = Builder.announce(user, object, public: false)
-
-      assert {:ok, _, _} = ObjectValidator.validate(announce, [])
-
-      # The actor of the object can not announce it publicly
-      {:ok, announce, []} = Builder.announce(user, object, public: true)
-
-      {:error, cng} = ObjectValidator.validate(announce, [])
-
-      assert {:actor, {"can not announce this object publicly", []}} in cng.errors
-    end
-  end
-
-  describe "updates" do
-    setup do
-      user = insert(:user)
-
-      object = %{
-        "id" => user.ap_id,
-        "name" => "A new name",
-        "summary" => "A new bio"
-      }
-
-      {:ok, valid_update, []} = Builder.update(user, object)
-
-      %{user: user, valid_update: valid_update}
-    end
-
-    test "validates a basic object", %{valid_update: valid_update} do
-      assert {:ok, _update, []} = ObjectValidator.validate(valid_update, [])
-    end
-
-    test "returns an error if the object can't be updated by the actor", %{
-      valid_update: valid_update
-    } do
-      other_user = insert(:user)
-
-      update =
-        valid_update
-        |> Map.put("actor", other_user.ap_id)
-
-      assert {:error, _cng} = ObjectValidator.validate(update, [])
-    end
-  end
-end
diff --git a/test/web/activity_pub/object_validators/announce_validation_test.exs b/test/web/activity_pub/object_validators/announce_validation_test.exs
new file mode 100644
index 000000000..623342f76
--- /dev/null
+++ b/test/web/activity_pub/object_validators/announce_validation_test.exs
@@ -0,0 +1,106 @@
+# Pleroma: A lightweight social networking server
+# Copyright © 2017-2020 Pleroma Authors <https://pleroma.social/>
+# SPDX-License-Identifier: AGPL-3.0-only
+
+defmodule Pleroma.Web.ActivityPub.ObjectValidators.AnnouncValidationTest do
+  use Pleroma.DataCase
+
+  alias Pleroma.Object
+  alias Pleroma.Web.ActivityPub.Builder
+  alias Pleroma.Web.ActivityPub.ObjectValidator
+  alias Pleroma.Web.CommonAPI
+
+  import Pleroma.Factory
+
+  describe "announces" do
+    setup do
+      user = insert(:user)
+      announcer = insert(:user)
+      {:ok, post_activity} = CommonAPI.post(user, %{status: "uguu"})
+
+      object = Object.normalize(post_activity, false)
+      {:ok, valid_announce, []} = Builder.announce(announcer, object)
+
+      %{
+        valid_announce: valid_announce,
+        user: user,
+        post_activity: post_activity,
+        announcer: announcer
+      }
+    end
+
+    test "returns ok for a valid announce", %{valid_announce: valid_announce} do
+      assert {:ok, _object, _meta} = ObjectValidator.validate(valid_announce, [])
+    end
+
+    test "returns an error if the object can't be found", %{valid_announce: valid_announce} do
+      without_object =
+        valid_announce
+        |> Map.delete("object")
+
+      {:error, cng} = ObjectValidator.validate(without_object, [])
+
+      assert {:object, {"can't be blank", [validation: :required]}} in cng.errors
+
+      nonexisting_object =
+        valid_announce
+        |> Map.put("object", "https://gensokyo.2hu/objects/99999999")
+
+      {:error, cng} = ObjectValidator.validate(nonexisting_object, [])
+
+      assert {:object, {"can't find object", []}} in cng.errors
+    end
+
+    test "returns an error if we don't have the actor", %{valid_announce: valid_announce} do
+      nonexisting_actor =
+        valid_announce
+        |> Map.put("actor", "https://gensokyo.2hu/users/raymoo")
+
+      {:error, cng} = ObjectValidator.validate(nonexisting_actor, [])
+
+      assert {:actor, {"can't find user", []}} in cng.errors
+    end
+
+    test "returns an error if the actor already announced the object", %{
+      valid_announce: valid_announce,
+      announcer: announcer,
+      post_activity: post_activity
+    } do
+      _announce = CommonAPI.repeat(post_activity.id, announcer)
+
+      {:error, cng} = ObjectValidator.validate(valid_announce, [])
+
+      assert {:actor, {"already announced this object", []}} in cng.errors
+      assert {:object, {"already announced by this actor", []}} in cng.errors
+    end
+
+    test "returns an error if the actor can't announce the object", %{
+      announcer: announcer,
+      user: user
+    } do
+      {:ok, post_activity} =
+        CommonAPI.post(user, %{status: "a secret post", visibility: "private"})
+
+      object = Object.normalize(post_activity, false)
+
+      # Another user can't announce it
+      {:ok, announce, []} = Builder.announce(announcer, object, public: false)
+
+      {:error, cng} = ObjectValidator.validate(announce, [])
+
+      assert {:actor, {"can not announce this object", []}} in cng.errors
+
+      # The actor of the object can announce it
+      {:ok, announce, []} = Builder.announce(user, object, public: false)
+
+      assert {:ok, _, _} = ObjectValidator.validate(announce, [])
+
+      # The actor of the object can not announce it publicly
+      {:ok, announce, []} = Builder.announce(user, object, public: true)
+
+      {:error, cng} = ObjectValidator.validate(announce, [])
+
+      assert {:actor, {"can not announce this object publicly", []}} in cng.errors
+    end
+  end
+end
diff --git a/test/web/activity_pub/object_validators/attachment_validator_test.exs b/test/web/activity_pub/object_validators/attachment_validator_test.exs
new file mode 100644
index 000000000..558bb3131
--- /dev/null
+++ b/test/web/activity_pub/object_validators/attachment_validator_test.exs
@@ -0,0 +1,74 @@
+# Pleroma: A lightweight social networking server
+# Copyright © 2017-2020 Pleroma Authors <https://pleroma.social/>
+# SPDX-License-Identifier: AGPL-3.0-only
+
+defmodule Pleroma.Web.ActivityPub.ObjectValidators.AttachmentValidatorTest do
+  use Pleroma.DataCase
+
+  alias Pleroma.Web.ActivityPub.ActivityPub
+  alias Pleroma.Web.ActivityPub.ObjectValidators.AttachmentValidator
+
+  import Pleroma.Factory
+
+  describe "attachments" do
+    test "works with honkerific attachments" do
+      attachment = %{
+        "mediaType" => "",
+        "name" => "",
+        "summary" => "298p3RG7j27tfsZ9RQ.jpg",
+        "type" => "Document",
+        "url" => "https://honk.tedunangst.com/d/298p3RG7j27tfsZ9RQ.jpg"
+      }
+
+      assert {:ok, attachment} =
+               AttachmentValidator.cast_and_validate(attachment)
+               |> Ecto.Changeset.apply_action(:insert)
+
+      assert attachment.mediaType == "application/octet-stream"
+    end
+
+    test "it turns mastodon attachments into our attachments" do
+      attachment = %{
+        "url" =>
+          "http://mastodon.example.org/system/media_attachments/files/000/000/002/original/334ce029e7bfb920.jpg",
+        "type" => "Document",
+        "name" => nil,
+        "mediaType" => "image/jpeg"
+      }
+
+      {:ok, attachment} =
+        AttachmentValidator.cast_and_validate(attachment)
+        |> Ecto.Changeset.apply_action(:insert)
+
+      assert [
+               %{
+                 href:
+                   "http://mastodon.example.org/system/media_attachments/files/000/000/002/original/334ce029e7bfb920.jpg",
+                 type: "Link",
+                 mediaType: "image/jpeg"
+               }
+             ] = attachment.url
+
+      assert attachment.mediaType == "image/jpeg"
+    end
+
+    test "it handles our own uploads" do
+      user = insert(:user)
+
+      file = %Plug.Upload{
+        content_type: "image/jpg",
+        path: Path.absname("test/fixtures/image.jpg"),
+        filename: "an_image.jpg"
+      }
+
+      {:ok, attachment} = ActivityPub.upload(file, actor: user.ap_id)
+
+      {:ok, attachment} =
+        attachment.data
+        |> AttachmentValidator.cast_and_validate()
+        |> Ecto.Changeset.apply_action(:insert)
+
+      assert attachment.mediaType == "image/jpeg"
+    end
+  end
+end
diff --git a/test/web/activity_pub/object_validators/block_validation_test.exs b/test/web/activity_pub/object_validators/block_validation_test.exs
new file mode 100644
index 000000000..c08d4b2e8
--- /dev/null
+++ b/test/web/activity_pub/object_validators/block_validation_test.exs
@@ -0,0 +1,39 @@
+# Pleroma: A lightweight social networking server
+# Copyright © 2017-2020 Pleroma Authors <https://pleroma.social/>
+# SPDX-License-Identifier: AGPL-3.0-only
+
+defmodule Pleroma.Web.ActivityPub.ObjectValidators.BlockValidationTest do
+  use Pleroma.DataCase
+
+  alias Pleroma.Web.ActivityPub.Builder
+  alias Pleroma.Web.ActivityPub.ObjectValidator
+
+  import Pleroma.Factory
+
+  describe "blocks" do
+    setup do
+      user = insert(:user, local: false)
+      blocked = insert(:user)
+
+      {:ok, valid_block, []} = Builder.block(user, blocked)
+
+      %{user: user, valid_block: valid_block}
+    end
+
+    test "validates a basic object", %{
+      valid_block: valid_block
+    } do
+      assert {:ok, _block, []} = ObjectValidator.validate(valid_block, [])
+    end
+
+    test "returns an error if we don't know the blocked user", %{
+      valid_block: valid_block
+    } do
+      block =
+        valid_block
+        |> Map.put("object", "https://gensokyo.2hu/users/raymoo")
+
+      assert {:error, _cng} = ObjectValidator.validate(block, [])
+    end
+  end
+end
diff --git a/test/web/activity_pub/object_validators/chat_validation_test.exs b/test/web/activity_pub/object_validators/chat_validation_test.exs
new file mode 100644
index 000000000..50bf03515
--- /dev/null
+++ b/test/web/activity_pub/object_validators/chat_validation_test.exs
@@ -0,0 +1,211 @@
+# Pleroma: A lightweight social networking server
+# Copyright © 2017-2020 Pleroma Authors <https://pleroma.social/>
+# SPDX-License-Identifier: AGPL-3.0-only
+
+defmodule Pleroma.Web.ActivityPub.ObjectValidators.ChatValidationTest do
+  use Pleroma.DataCase
+  alias Pleroma.Object
+  alias Pleroma.Web.ActivityPub.ActivityPub
+  alias Pleroma.Web.ActivityPub.Builder
+  alias Pleroma.Web.ActivityPub.ObjectValidator
+  alias Pleroma.Web.CommonAPI
+
+  import Pleroma.Factory
+
+  describe "chat message create activities" do
+    test "it is invalid if the object already exists" do
+      user = insert(:user)
+      recipient = insert(:user)
+      {:ok, activity} = CommonAPI.post_chat_message(user, recipient, "hey")
+      object = Object.normalize(activity, false)
+
+      {:ok, create_data, _} = Builder.create(user, object.data, [recipient.ap_id])
+
+      {:error, cng} = ObjectValidator.validate(create_data, [])
+
+      assert {:object, {"The object to create already exists", []}} in cng.errors
+    end
+
+    test "it is invalid if the object data has a different `to` or `actor` field" do
+      user = insert(:user)
+      recipient = insert(:user)
+      {:ok, object_data, _} = Builder.chat_message(recipient, user.ap_id, "Hey")
+
+      {:ok, create_data, _} = Builder.create(user, object_data, [recipient.ap_id])
+
+      {:error, cng} = ObjectValidator.validate(create_data, [])
+
+      assert {:to, {"Recipients don't match with object recipients", []}} in cng.errors
+      assert {:actor, {"Actor doesn't match with object actor", []}} in cng.errors
+    end
+  end
+
+  describe "chat messages" do
+    setup do
+      clear_config([:instance, :remote_limit])
+      user = insert(:user)
+      recipient = insert(:user, local: false)
+
+      {:ok, valid_chat_message, _} = Builder.chat_message(user, recipient.ap_id, "hey :firefox:")
+
+      %{user: user, recipient: recipient, valid_chat_message: valid_chat_message}
+    end
+
+    test "let's through some basic html", %{user: user, recipient: recipient} do
+      {:ok, valid_chat_message, _} =
+        Builder.chat_message(
+          user,
+          recipient.ap_id,
+          "hey <a href='https://example.org'>example</a> <script>alert('uguu')</script>"
+        )
+
+      assert {:ok, object, _meta} = ObjectValidator.validate(valid_chat_message, [])
+
+      assert object["content"] ==
+               "hey <a href=\"https://example.org\">example</a> alert(&#39;uguu&#39;)"
+    end
+
+    test "validates for a basic object we build", %{valid_chat_message: valid_chat_message} do
+      assert {:ok, object, _meta} = ObjectValidator.validate(valid_chat_message, [])
+
+      assert Map.put(valid_chat_message, "attachment", nil) == object
+    end
+
+    test "validates for a basic object with an attachment", %{
+      valid_chat_message: valid_chat_message,
+      user: user
+    } do
+      file = %Plug.Upload{
+        content_type: "image/jpg",
+        path: Path.absname("test/fixtures/image.jpg"),
+        filename: "an_image.jpg"
+      }
+
+      {:ok, attachment} = ActivityPub.upload(file, actor: user.ap_id)
+
+      valid_chat_message =
+        valid_chat_message
+        |> Map.put("attachment", attachment.data)
+
+      assert {:ok, object, _meta} = ObjectValidator.validate(valid_chat_message, [])
+
+      assert object["attachment"]
+    end
+
+    test "validates for a basic object with an attachment in an array", %{
+      valid_chat_message: valid_chat_message,
+      user: user
+    } do
+      file = %Plug.Upload{
+        content_type: "image/jpg",
+        path: Path.absname("test/fixtures/image.jpg"),
+        filename: "an_image.jpg"
+      }
+
+      {:ok, attachment} = ActivityPub.upload(file, actor: user.ap_id)
+
+      valid_chat_message =
+        valid_chat_message
+        |> Map.put("attachment", [attachment.data])
+
+      assert {:ok, object, _meta} = ObjectValidator.validate(valid_chat_message, [])
+
+      assert object["attachment"]
+    end
+
+    test "validates for a basic object with an attachment but without content", %{
+      valid_chat_message: valid_chat_message,
+      user: user
+    } do
+      file = %Plug.Upload{
+        content_type: "image/jpg",
+        path: Path.absname("test/fixtures/image.jpg"),
+        filename: "an_image.jpg"
+      }
+
+      {:ok, attachment} = ActivityPub.upload(file, actor: user.ap_id)
+
+      valid_chat_message =
+        valid_chat_message
+        |> Map.put("attachment", attachment.data)
+        |> Map.delete("content")
+
+      assert {:ok, object, _meta} = ObjectValidator.validate(valid_chat_message, [])
+
+      assert object["attachment"]
+    end
+
+    test "does not validate if the message has no content", %{
+      valid_chat_message: valid_chat_message
+    } do
+      contentless =
+        valid_chat_message
+        |> Map.delete("content")
+
+      refute match?({:ok, _object, _meta}, ObjectValidator.validate(contentless, []))
+    end
+
+    test "does not validate if the message is longer than the remote_limit", %{
+      valid_chat_message: valid_chat_message
+    } do
+      Pleroma.Config.put([:instance, :remote_limit], 2)
+      refute match?({:ok, _object, _meta}, ObjectValidator.validate(valid_chat_message, []))
+    end
+
+    test "does not validate if the recipient is blocking the actor", %{
+      valid_chat_message: valid_chat_message,
+      user: user,
+      recipient: recipient
+    } do
+      Pleroma.User.block(recipient, user)
+      refute match?({:ok, _object, _meta}, ObjectValidator.validate(valid_chat_message, []))
+    end
+
+    test "does not validate if the recipient is not accepting chat messages", %{
+      valid_chat_message: valid_chat_message,
+      recipient: recipient
+    } do
+      recipient
+      |> Ecto.Changeset.change(%{accepts_chat_messages: false})
+      |> Pleroma.Repo.update!()
+
+      refute match?({:ok, _object, _meta}, ObjectValidator.validate(valid_chat_message, []))
+    end
+
+    test "does not validate if the actor or the recipient is not in our system", %{
+      valid_chat_message: valid_chat_message
+    } do
+      chat_message =
+        valid_chat_message
+        |> Map.put("actor", "https://raymoo.com/raymoo")
+
+      {:error, _} = ObjectValidator.validate(chat_message, [])
+
+      chat_message =
+        valid_chat_message
+        |> Map.put("to", ["https://raymoo.com/raymoo"])
+
+      {:error, _} = ObjectValidator.validate(chat_message, [])
+    end
+
+    test "does not validate for a message with multiple recipients", %{
+      valid_chat_message: valid_chat_message,
+      user: user,
+      recipient: recipient
+    } do
+      chat_message =
+        valid_chat_message
+        |> Map.put("to", [user.ap_id, recipient.ap_id])
+
+      assert {:error, _} = ObjectValidator.validate(chat_message, [])
+    end
+
+    test "does not validate if it doesn't concern local users" do
+      user = insert(:user, local: false)
+      recipient = insert(:user, local: false)
+
+      {:ok, valid_chat_message, _} = Builder.chat_message(user, recipient.ap_id, "hey")
+      assert {:error, _} = ObjectValidator.validate(valid_chat_message, [])
+    end
+  end
+end
diff --git a/test/web/activity_pub/object_validators/delete_validation_test.exs b/test/web/activity_pub/object_validators/delete_validation_test.exs
new file mode 100644
index 000000000..42cd18298
--- /dev/null
+++ b/test/web/activity_pub/object_validators/delete_validation_test.exs
@@ -0,0 +1,106 @@
+# Pleroma: A lightweight social networking server
+# Copyright © 2017-2020 Pleroma Authors <https://pleroma.social/>
+# SPDX-License-Identifier: AGPL-3.0-only
+
+defmodule Pleroma.Web.ActivityPub.ObjectValidators.DeleteValidationTest do
+  use Pleroma.DataCase
+
+  alias Pleroma.Object
+  alias Pleroma.Web.ActivityPub.Builder
+  alias Pleroma.Web.ActivityPub.ObjectValidator
+  alias Pleroma.Web.CommonAPI
+
+  import Pleroma.Factory
+
+  describe "deletes" do
+    setup do
+      user = insert(:user)
+      {:ok, post_activity} = CommonAPI.post(user, %{status: "cancel me daddy"})
+
+      {:ok, valid_post_delete, _} = Builder.delete(user, post_activity.data["object"])
+      {:ok, valid_user_delete, _} = Builder.delete(user, user.ap_id)
+
+      %{user: user, valid_post_delete: valid_post_delete, valid_user_delete: valid_user_delete}
+    end
+
+    test "it is valid for a post deletion", %{valid_post_delete: valid_post_delete} do
+      {:ok, valid_post_delete, _} = ObjectValidator.validate(valid_post_delete, [])
+
+      assert valid_post_delete["deleted_activity_id"]
+    end
+
+    test "it is invalid if the object isn't in a list of certain types", %{
+      valid_post_delete: valid_post_delete
+    } do
+      object = Object.get_by_ap_id(valid_post_delete["object"])
+
+      data =
+        object.data
+        |> Map.put("type", "Like")
+
+      {:ok, _object} =
+        object
+        |> Ecto.Changeset.change(%{data: data})
+        |> Object.update_and_set_cache()
+
+      {:error, cng} = ObjectValidator.validate(valid_post_delete, [])
+      assert {:object, {"object not in allowed types", []}} in cng.errors
+    end
+
+    test "it is valid for a user deletion", %{valid_user_delete: valid_user_delete} do
+      assert match?({:ok, _, _}, ObjectValidator.validate(valid_user_delete, []))
+    end
+
+    test "it's invalid if the id is missing", %{valid_post_delete: valid_post_delete} do
+      no_id =
+        valid_post_delete
+        |> Map.delete("id")
+
+      {:error, cng} = ObjectValidator.validate(no_id, [])
+
+      assert {:id, {"can't be blank", [validation: :required]}} in cng.errors
+    end
+
+    test "it's invalid if the object doesn't exist", %{valid_post_delete: valid_post_delete} do
+      missing_object =
+        valid_post_delete
+        |> Map.put("object", "http://does.not/exist")
+
+      {:error, cng} = ObjectValidator.validate(missing_object, [])
+
+      assert {:object, {"can't find object", []}} in cng.errors
+    end
+
+    test "it's invalid if the actor of the object and the actor of delete are from different domains",
+         %{valid_post_delete: valid_post_delete} do
+      valid_user = insert(:user)
+
+      valid_other_actor =
+        valid_post_delete
+        |> Map.put("actor", valid_user.ap_id)
+
+      assert match?({:ok, _, _}, ObjectValidator.validate(valid_other_actor, []))
+
+      invalid_other_actor =
+        valid_post_delete
+        |> Map.put("actor", "https://gensokyo.2hu/users/raymoo")
+
+      {:error, cng} = ObjectValidator.validate(invalid_other_actor, [])
+
+      assert {:actor, {"is not allowed to delete object", []}} in cng.errors
+    end
+
+    test "it's valid if the actor of the object is a local superuser",
+         %{valid_post_delete: valid_post_delete} do
+      user =
+        insert(:user, local: true, is_moderator: true, ap_id: "https://gensokyo.2hu/users/raymoo")
+
+      valid_other_actor =
+        valid_post_delete
+        |> Map.put("actor", user.ap_id)
+
+      {:ok, _, meta} = ObjectValidator.validate(valid_other_actor, [])
+      assert meta[:do_not_federate]
+    end
+  end
+end
diff --git a/test/web/activity_pub/object_validators/emoji_react_validation_test.exs b/test/web/activity_pub/object_validators/emoji_react_validation_test.exs
new file mode 100644
index 000000000..582e6d785
--- /dev/null
+++ b/test/web/activity_pub/object_validators/emoji_react_validation_test.exs
@@ -0,0 +1,53 @@
+# Pleroma: A lightweight social networking server
+# Copyright © 2017-2020 Pleroma Authors <https://pleroma.social/>
+# SPDX-License-Identifier: AGPL-3.0-only
+
+defmodule Pleroma.Web.ActivityPub.ObjectValidators.EmojiReactHandlingTest do
+  use Pleroma.DataCase
+
+  alias Pleroma.Web.ActivityPub.Builder
+  alias Pleroma.Web.ActivityPub.ObjectValidator
+  alias Pleroma.Web.CommonAPI
+
+  import Pleroma.Factory
+
+  describe "EmojiReacts" do
+    setup do
+      user = insert(:user)
+      {:ok, post_activity} = CommonAPI.post(user, %{status: "uguu"})
+
+      object = Pleroma.Object.get_by_ap_id(post_activity.data["object"])
+
+      {:ok, valid_emoji_react, []} = Builder.emoji_react(user, object, "👌")
+
+      %{user: user, post_activity: post_activity, valid_emoji_react: valid_emoji_react}
+    end
+
+    test "it validates a valid EmojiReact", %{valid_emoji_react: valid_emoji_react} do
+      assert {:ok, _, _} = ObjectValidator.validate(valid_emoji_react, [])
+    end
+
+    test "it is not valid without a 'content' field", %{valid_emoji_react: valid_emoji_react} do
+      without_content =
+        valid_emoji_react
+        |> Map.delete("content")
+
+      {:error, cng} = ObjectValidator.validate(without_content, [])
+
+      refute cng.valid?
+      assert {:content, {"can't be blank", [validation: :required]}} in cng.errors
+    end
+
+    test "it is not valid with a non-emoji content field", %{valid_emoji_react: valid_emoji_react} do
+      without_emoji_content =
+        valid_emoji_react
+        |> Map.put("content", "x")
+
+      {:error, cng} = ObjectValidator.validate(without_emoji_content, [])
+
+      refute cng.valid?
+
+      assert {:content, {"must be a single character emoji", []}} in cng.errors
+    end
+  end
+end
diff --git a/test/web/activity_pub/object_validators/follow_validation_test.exs b/test/web/activity_pub/object_validators/follow_validation_test.exs
new file mode 100644
index 000000000..6e1378be2
--- /dev/null
+++ b/test/web/activity_pub/object_validators/follow_validation_test.exs
@@ -0,0 +1,26 @@
+# Pleroma: A lightweight social networking server
+# Copyright © 2017-2020 Pleroma Authors <https://pleroma.social/>
+# SPDX-License-Identifier: AGPL-3.0-only
+
+defmodule Pleroma.Web.ActivityPub.ObjectValidators.FollowValidationTest do
+  use Pleroma.DataCase
+
+  alias Pleroma.Web.ActivityPub.Builder
+  alias Pleroma.Web.ActivityPub.ObjectValidator
+
+  import Pleroma.Factory
+
+  describe "Follows" do
+    setup do
+      follower = insert(:user)
+      followed = insert(:user)
+
+      {:ok, valid_follow, []} = Builder.follow(follower, followed)
+      %{follower: follower, followed: followed, valid_follow: valid_follow}
+    end
+
+    test "validates a basic follow object", %{valid_follow: valid_follow} do
+      assert {:ok, _follow, []} = ObjectValidator.validate(valid_follow, [])
+    end
+  end
+end
diff --git a/test/web/activity_pub/object_validators/like_validation_test.exs b/test/web/activity_pub/object_validators/like_validation_test.exs
new file mode 100644
index 000000000..2c033b7e2
--- /dev/null
+++ b/test/web/activity_pub/object_validators/like_validation_test.exs
@@ -0,0 +1,113 @@
+# Pleroma: A lightweight social networking server
+# Copyright © 2017-2020 Pleroma Authors <https://pleroma.social/>
+# SPDX-License-Identifier: AGPL-3.0-only
+
+defmodule Pleroma.Web.ActivityPub.ObjectValidators.LikeValidationTest do
+  use Pleroma.DataCase
+
+  alias Pleroma.Web.ActivityPub.ObjectValidator
+  alias Pleroma.Web.ActivityPub.ObjectValidators.LikeValidator
+  alias Pleroma.Web.ActivityPub.Utils
+  alias Pleroma.Web.CommonAPI
+
+  import Pleroma.Factory
+
+  describe "likes" do
+    setup do
+      user = insert(:user)
+      {:ok, post_activity} = CommonAPI.post(user, %{status: "uguu"})
+
+      valid_like = %{
+        "to" => [user.ap_id],
+        "cc" => [],
+        "type" => "Like",
+        "id" => Utils.generate_activity_id(),
+        "object" => post_activity.data["object"],
+        "actor" => user.ap_id,
+        "context" => "a context"
+      }
+
+      %{valid_like: valid_like, user: user, post_activity: post_activity}
+    end
+
+    test "returns ok when called in the ObjectValidator", %{valid_like: valid_like} do
+      {:ok, object, _meta} = ObjectValidator.validate(valid_like, [])
+
+      assert "id" in Map.keys(object)
+    end
+
+    test "is valid for a valid object", %{valid_like: valid_like} do
+      assert LikeValidator.cast_and_validate(valid_like).valid?
+    end
+
+    test "sets the 'to' field to the object actor if no recipients are given", %{
+      valid_like: valid_like,
+      user: user
+    } do
+      without_recipients =
+        valid_like
+        |> Map.delete("to")
+
+      {:ok, object, _meta} = ObjectValidator.validate(without_recipients, [])
+
+      assert object["to"] == [user.ap_id]
+    end
+
+    test "sets the context field to the context of the object if no context is given", %{
+      valid_like: valid_like,
+      post_activity: post_activity
+    } do
+      without_context =
+        valid_like
+        |> Map.delete("context")
+
+      {:ok, object, _meta} = ObjectValidator.validate(without_context, [])
+
+      assert object["context"] == post_activity.data["context"]
+    end
+
+    test "it errors when the actor is missing or not known", %{valid_like: valid_like} do
+      without_actor = Map.delete(valid_like, "actor")
+
+      refute LikeValidator.cast_and_validate(without_actor).valid?
+
+      with_invalid_actor = Map.put(valid_like, "actor", "invalidactor")
+
+      refute LikeValidator.cast_and_validate(with_invalid_actor).valid?
+    end
+
+    test "it errors when the object is missing or not known", %{valid_like: valid_like} do
+      without_object = Map.delete(valid_like, "object")
+
+      refute LikeValidator.cast_and_validate(without_object).valid?
+
+      with_invalid_object = Map.put(valid_like, "object", "invalidobject")
+
+      refute LikeValidator.cast_and_validate(with_invalid_object).valid?
+    end
+
+    test "it errors when the actor has already like the object", %{
+      valid_like: valid_like,
+      user: user,
+      post_activity: post_activity
+    } do
+      _like = CommonAPI.favorite(user, post_activity.id)
+
+      refute LikeValidator.cast_and_validate(valid_like).valid?
+    end
+
+    test "it works when actor or object are wrapped in maps", %{valid_like: valid_like} do
+      wrapped_like =
+        valid_like
+        |> Map.put("actor", %{"id" => valid_like["actor"]})
+        |> Map.put("object", %{"id" => valid_like["object"]})
+
+      validated = LikeValidator.cast_and_validate(wrapped_like)
+
+      assert validated.valid?
+
+      assert {:actor, valid_like["actor"]} in validated.changes
+      assert {:object, valid_like["object"]} in validated.changes
+    end
+  end
+end
diff --git a/test/web/activity_pub/object_validators/undo_validation_test.exs b/test/web/activity_pub/object_validators/undo_validation_test.exs
new file mode 100644
index 000000000..75bbcc4b6
--- /dev/null
+++ b/test/web/activity_pub/object_validators/undo_validation_test.exs
@@ -0,0 +1,53 @@
+# Pleroma: A lightweight social networking server
+# Copyright © 2017-2020 Pleroma Authors <https://pleroma.social/>
+# SPDX-License-Identifier: AGPL-3.0-only
+
+defmodule Pleroma.Web.ActivityPub.ObjectValidators.UndoHandlingTest do
+  use Pleroma.DataCase
+
+  alias Pleroma.Web.ActivityPub.Builder
+  alias Pleroma.Web.ActivityPub.ObjectValidator
+  alias Pleroma.Web.CommonAPI
+
+  import Pleroma.Factory
+
+  describe "Undos" do
+    setup do
+      user = insert(:user)
+      {:ok, post_activity} = CommonAPI.post(user, %{status: "uguu"})
+      {:ok, like} = CommonAPI.favorite(user, post_activity.id)
+      {:ok, valid_like_undo, []} = Builder.undo(user, like)
+
+      %{user: user, like: like, valid_like_undo: valid_like_undo}
+    end
+
+    test "it validates a basic like undo", %{valid_like_undo: valid_like_undo} do
+      assert {:ok, _, _} = ObjectValidator.validate(valid_like_undo, [])
+    end
+
+    test "it does not validate if the actor of the undo is not the actor of the object", %{
+      valid_like_undo: valid_like_undo
+    } do
+      other_user = insert(:user, ap_id: "https://gensokyo.2hu/users/raymoo")
+
+      bad_actor =
+        valid_like_undo
+        |> Map.put("actor", other_user.ap_id)
+
+      {:error, cng} = ObjectValidator.validate(bad_actor, [])
+
+      assert {:actor, {"not the same as object actor", []}} in cng.errors
+    end
+
+    test "it does not validate if the object is missing", %{valid_like_undo: valid_like_undo} do
+      missing_object =
+        valid_like_undo
+        |> Map.put("object", "https://gensokyo.2hu/objects/1")
+
+      {:error, cng} = ObjectValidator.validate(missing_object, [])
+
+      assert {:object, {"can't find object", []}} in cng.errors
+      assert length(cng.errors) == 1
+    end
+  end
+end
diff --git a/test/web/activity_pub/object_validators/update_validation_test.exs b/test/web/activity_pub/object_validators/update_validation_test.exs
new file mode 100644
index 000000000..5e80cf731
--- /dev/null
+++ b/test/web/activity_pub/object_validators/update_validation_test.exs
@@ -0,0 +1,44 @@
+# Pleroma: A lightweight social networking server
+# Copyright © 2017-2020 Pleroma Authors <https://pleroma.social/>
+# SPDX-License-Identifier: AGPL-3.0-only
+
+defmodule Pleroma.Web.ActivityPub.ObjectValidators.UpdateHandlingTest do
+  use Pleroma.DataCase
+
+  alias Pleroma.Web.ActivityPub.Builder
+  alias Pleroma.Web.ActivityPub.ObjectValidator
+
+  import Pleroma.Factory
+
+  describe "updates" do
+    setup do
+      user = insert(:user)
+
+      object = %{
+        "id" => user.ap_id,
+        "name" => "A new name",
+        "summary" => "A new bio"
+      }
+
+      {:ok, valid_update, []} = Builder.update(user, object)
+
+      %{user: user, valid_update: valid_update}
+    end
+
+    test "validates a basic object", %{valid_update: valid_update} do
+      assert {:ok, _update, []} = ObjectValidator.validate(valid_update, [])
+    end
+
+    test "returns an error if the object can't be updated by the actor", %{
+      valid_update: valid_update
+    } do
+      other_user = insert(:user)
+
+      update =
+        valid_update
+        |> Map.put("actor", other_user.ap_id)
+
+      assert {:error, _cng} = ObjectValidator.validate(update, [])
+    end
+  end
+end
diff --git a/test/web/activity_pub/publisher_test.exs b/test/web/activity_pub/publisher_test.exs
index c2bc38d52..b9388b966 100644
--- a/test/web/activity_pub/publisher_test.exs
+++ b/test/web/activity_pub/publisher_test.exs
@@ -123,6 +123,39 @@ defmodule Pleroma.Web.ActivityPub.PublisherTest do
   end
 
   describe "publish_one/1" do
+    test "publish to url with with different ports" do
+      inbox80 = "http://42.site/users/nick1/inbox"
+      inbox42 = "http://42.site:42/users/nick1/inbox"
+
+      mock(fn
+        %{method: :post, url: "http://42.site:42/users/nick1/inbox"} ->
+          {:ok, %Tesla.Env{status: 200, body: "port 42"}}
+
+        %{method: :post, url: "http://42.site/users/nick1/inbox"} ->
+          {:ok, %Tesla.Env{status: 200, body: "port 80"}}
+      end)
+
+      actor = insert(:user)
+
+      assert {:ok, %{body: "port 42"}} =
+               Publisher.publish_one(%{
+                 inbox: inbox42,
+                 json: "{}",
+                 actor: actor,
+                 id: 1,
+                 unreachable_since: true
+               })
+
+      assert {:ok, %{body: "port 80"}} =
+               Publisher.publish_one(%{
+                 inbox: inbox80,
+                 json: "{}",
+                 actor: actor,
+                 id: 1,
+                 unreachable_since: true
+               })
+    end
+
     test_with_mock "calls `Instances.set_reachable` on successful federation if `unreachable_since` is not specified",
                    Instances,
                    [:passthrough],
@@ -131,7 +164,6 @@ defmodule Pleroma.Web.ActivityPub.PublisherTest do
       inbox = "http://200.site/users/nick1/inbox"
 
       assert {:ok, _} = Publisher.publish_one(%{inbox: inbox, json: "{}", actor: actor, id: 1})
-
       assert called(Instances.set_reachable(inbox))
     end
 
diff --git a/test/web/activity_pub/relay_test.exs b/test/web/activity_pub/relay_test.exs
index b3b573c9b..9d657ac4f 100644
--- a/test/web/activity_pub/relay_test.exs
+++ b/test/web/activity_pub/relay_test.exs
@@ -7,8 +7,8 @@ defmodule Pleroma.Web.ActivityPub.RelayTest do
 
   alias Pleroma.Activity
   alias Pleroma.User
-  alias Pleroma.Web.ActivityPub.ActivityPub
   alias Pleroma.Web.ActivityPub.Relay
+  alias Pleroma.Web.CommonAPI
 
   import ExUnit.CaptureLog
   import Pleroma.Factory
@@ -53,8 +53,7 @@ defmodule Pleroma.Web.ActivityPub.RelayTest do
     test "returns activity" do
       user = insert(:user)
       service_actor = Relay.get_actor()
-      ActivityPub.follow(service_actor, user)
-      Pleroma.User.follow(service_actor, user)
+      CommonAPI.follow(service_actor, user)
       assert "#{user.ap_id}/followers" in User.following(service_actor)
       assert {:ok, %Activity{} = activity} = Relay.unfollow(user.ap_id)
       assert activity.actor == "#{Pleroma.Web.Endpoint.url()}/relay"
@@ -74,6 +73,7 @@ defmodule Pleroma.Web.ActivityPub.RelayTest do
       assert Relay.publish(activity) == {:error, "Not implemented"}
     end
 
+    @tag capture_log: true
     test "returns error when activity not public" do
       activity = insert(:direct_note_activity)
       assert Relay.publish(activity) == {:error, false}
diff --git a/test/web/activity_pub/side_effects_test.exs b/test/web/activity_pub/side_effects_test.exs
index 12c9ef1da..2649b060a 100644
--- a/test/web/activity_pub/side_effects_test.exs
+++ b/test/web/activity_pub/side_effects_test.exs
@@ -64,6 +64,47 @@ defmodule Pleroma.Web.ActivityPub.SideEffectsTest do
     end
   end
 
+  describe "blocking users" do
+    setup do
+      user = insert(:user)
+      blocked = insert(:user)
+      User.follow(blocked, user)
+      User.follow(user, blocked)
+
+      {:ok, block_data, []} = Builder.block(user, blocked)
+      {:ok, block, _meta} = ActivityPub.persist(block_data, local: true)
+
+      %{user: user, blocked: blocked, block: block}
+    end
+
+    test "it unfollows and blocks", %{user: user, blocked: blocked, block: block} do
+      assert User.following?(user, blocked)
+      assert User.following?(blocked, user)
+
+      {:ok, _, _} = SideEffects.handle(block)
+
+      refute User.following?(user, blocked)
+      refute User.following?(blocked, user)
+      assert User.blocks?(user, blocked)
+    end
+
+    test "it blocks but does not unfollow if the relevant setting is set", %{
+      user: user,
+      blocked: blocked,
+      block: block
+    } do
+      clear_config([:activitypub, :unfollow_blocked], false)
+      assert User.following?(user, blocked)
+      assert User.following?(blocked, user)
+
+      {:ok, _, _} = SideEffects.handle(block)
+
+      refute User.following?(user, blocked)
+      assert User.following?(blocked, user)
+      assert User.blocks?(user, blocked)
+    end
+  end
+
   describe "update users" do
     setup do
       user = insert(:user)
@@ -242,8 +283,7 @@ defmodule Pleroma.Web.ActivityPub.SideEffectsTest do
       {:ok, like} = CommonAPI.favorite(user, post.id)
       {:ok, reaction} = CommonAPI.react_with_emoji(post.id, user, "👍")
       {:ok, announce} = CommonAPI.repeat(post.id, user)
-      {:ok, block} = ActivityPub.block(user, poster)
-      User.block(user, poster)
+      {:ok, block} = CommonAPI.block(user, poster)
 
       {:ok, undo_data, _meta} = Builder.undo(user, like)
       {:ok, like_undo, _meta} = ActivityPub.persist(undo_data, local: true)
@@ -549,10 +589,29 @@ defmodule Pleroma.Web.ActivityPub.SideEffectsTest do
     end
 
     test "it streams out the announce", %{announce: announce} do
-      with_mock Pleroma.Web.ActivityPub.ActivityPub, [:passthrough], stream_out: fn _ -> nil end do
+      with_mocks([
+        {
+          Pleroma.Web.Streamer,
+          [],
+          [
+            stream: fn _, _ -> nil end
+          ]
+        },
+        {
+          Pleroma.Web.Push,
+          [],
+          [
+            send: fn _ -> nil end
+          ]
+        }
+      ]) do
         {:ok, announce, _} = SideEffects.handle(announce)
 
-        assert called(Pleroma.Web.ActivityPub.ActivityPub.stream_out(announce))
+        assert called(
+                 Pleroma.Web.Streamer.stream(["user", "list", "public", "public:local"], announce)
+               )
+
+        assert called(Pleroma.Web.Push.send(:_))
       end
     end
   end
diff --git a/test/web/activity_pub/transmogrifier/block_handling_test.exs b/test/web/activity_pub/transmogrifier/block_handling_test.exs
new file mode 100644
index 000000000..71f1a0ed5
--- /dev/null
+++ b/test/web/activity_pub/transmogrifier/block_handling_test.exs
@@ -0,0 +1,63 @@
+# Pleroma: A lightweight social networking server
+# Copyright © 2017-2020 Pleroma Authors <https://pleroma.social/>
+# SPDX-License-Identifier: AGPL-3.0-only
+
+defmodule Pleroma.Web.ActivityPub.Transmogrifier.BlockHandlingTest do
+  use Pleroma.DataCase
+
+  alias Pleroma.Activity
+  alias Pleroma.User
+  alias Pleroma.Web.ActivityPub.Transmogrifier
+
+  import Pleroma.Factory
+
+  test "it works for incoming blocks" do
+    user = insert(:user)
+
+    data =
+      File.read!("test/fixtures/mastodon-block-activity.json")
+      |> Poison.decode!()
+      |> Map.put("object", user.ap_id)
+
+    blocker = insert(:user, ap_id: data["actor"])
+
+    {:ok, %Activity{data: data, local: false}} = Transmogrifier.handle_incoming(data)
+
+    assert data["type"] == "Block"
+    assert data["object"] == user.ap_id
+    assert data["actor"] == "http://mastodon.example.org/users/admin"
+
+    assert User.blocks?(blocker, user)
+  end
+
+  test "incoming blocks successfully tear down any follow relationship" do
+    blocker = insert(:user)
+    blocked = insert(:user)
+
+    data =
+      File.read!("test/fixtures/mastodon-block-activity.json")
+      |> Poison.decode!()
+      |> Map.put("object", blocked.ap_id)
+      |> Map.put("actor", blocker.ap_id)
+
+    {:ok, blocker} = User.follow(blocker, blocked)
+    {:ok, blocked} = User.follow(blocked, blocker)
+
+    assert User.following?(blocker, blocked)
+    assert User.following?(blocked, blocker)
+
+    {:ok, %Activity{data: data, local: false}} = Transmogrifier.handle_incoming(data)
+
+    assert data["type"] == "Block"
+    assert data["object"] == blocked.ap_id
+    assert data["actor"] == blocker.ap_id
+
+    blocker = User.get_cached_by_ap_id(data["actor"])
+    blocked = User.get_cached_by_ap_id(data["object"])
+
+    assert User.blocks?(blocker, blocked)
+
+    refute User.following?(blocker, blocked)
+    refute User.following?(blocked, blocker)
+  end
+end
diff --git a/test/web/activity_pub/transmogrifier/follow_handling_test.exs b/test/web/activity_pub/transmogrifier/follow_handling_test.exs
index 06c39eed6..17e764ca1 100644
--- a/test/web/activity_pub/transmogrifier/follow_handling_test.exs
+++ b/test/web/activity_pub/transmogrifier/follow_handling_test.exs
@@ -160,7 +160,7 @@ defmodule Pleroma.Web.ActivityPub.Transmogrifier.FollowHandlingTest do
         |> Poison.decode!()
         |> Map.put("object", user.ap_id)
 
-      with_mock Pleroma.User, [:passthrough], follow: fn _, _ -> {:error, :testing} end do
+      with_mock Pleroma.User, [:passthrough], follow: fn _, _, _ -> {:error, :testing} end do
         {:ok, %Activity{data: %{"id" => id}}} = Transmogrifier.handle_incoming(data)
 
         %Activity{} = activity = Activity.get_by_ap_id(id)
diff --git a/test/web/activity_pub/transmogrifier_test.exs b/test/web/activity_pub/transmogrifier_test.exs
index 100821056..248b410c6 100644
--- a/test/web/activity_pub/transmogrifier_test.exs
+++ b/test/web/activity_pub/transmogrifier_test.exs
@@ -11,7 +11,6 @@ defmodule Pleroma.Web.ActivityPub.TransmogrifierTest do
   alias Pleroma.Object.Fetcher
   alias Pleroma.Tests.ObanHelpers
   alias Pleroma.User
-  alias Pleroma.Web.ActivityPub.ActivityPub
   alias Pleroma.Web.ActivityPub.Transmogrifier
   alias Pleroma.Web.AdminAPI.AccountView
   alias Pleroma.Web.CommonAPI
@@ -445,56 +444,6 @@ defmodule Pleroma.Web.ActivityPub.TransmogrifierTest do
       assert [^pending_follower] = User.get_follow_requests(user)
     end
 
-    test "it works for incoming blocks" do
-      user = insert(:user)
-
-      data =
-        File.read!("test/fixtures/mastodon-block-activity.json")
-        |> Poison.decode!()
-        |> Map.put("object", user.ap_id)
-
-      {:ok, %Activity{data: data, local: false}} = Transmogrifier.handle_incoming(data)
-
-      assert data["type"] == "Block"
-      assert data["object"] == user.ap_id
-      assert data["actor"] == "http://mastodon.example.org/users/admin"
-
-      blocker = User.get_cached_by_ap_id(data["actor"])
-
-      assert User.blocks?(blocker, user)
-    end
-
-    test "incoming blocks successfully tear down any follow relationship" do
-      blocker = insert(:user)
-      blocked = insert(:user)
-
-      data =
-        File.read!("test/fixtures/mastodon-block-activity.json")
-        |> Poison.decode!()
-        |> Map.put("object", blocked.ap_id)
-        |> Map.put("actor", blocker.ap_id)
-
-      {:ok, blocker} = User.follow(blocker, blocked)
-      {:ok, blocked} = User.follow(blocked, blocker)
-
-      assert User.following?(blocker, blocked)
-      assert User.following?(blocked, blocker)
-
-      {:ok, %Activity{data: data, local: false}} = Transmogrifier.handle_incoming(data)
-
-      assert data["type"] == "Block"
-      assert data["object"] == blocked.ap_id
-      assert data["actor"] == blocker.ap_id
-
-      blocker = User.get_cached_by_ap_id(data["actor"])
-      blocked = User.get_cached_by_ap_id(data["object"])
-
-      assert User.blocks?(blocker, blocked)
-
-      refute User.following?(blocker, blocked)
-      refute User.following?(blocked, blocker)
-    end
-
     test "it works for incoming accepts which were pre-accepted" do
       follower = insert(:user)
       followed = insert(:user)
@@ -502,7 +451,7 @@ defmodule Pleroma.Web.ActivityPub.TransmogrifierTest do
       {:ok, follower} = User.follow(follower, followed)
       assert User.following?(follower, followed) == true
 
-      {:ok, follow_activity} = ActivityPub.follow(follower, followed)
+      {:ok, _, _, follow_activity} = CommonAPI.follow(follower, followed)
 
       accept_data =
         File.read!("test/fixtures/mastodon-accept-activity.json")
@@ -532,7 +481,7 @@ defmodule Pleroma.Web.ActivityPub.TransmogrifierTest do
       follower = insert(:user)
       followed = insert(:user, locked: true)
 
-      {:ok, follow_activity} = ActivityPub.follow(follower, followed)
+      {:ok, _, _, follow_activity} = CommonAPI.follow(follower, followed)
 
       accept_data =
         File.read!("test/fixtures/mastodon-accept-activity.json")
@@ -554,7 +503,7 @@ defmodule Pleroma.Web.ActivityPub.TransmogrifierTest do
       follower = insert(:user)
       followed = insert(:user, locked: true)
 
-      {:ok, follow_activity} = ActivityPub.follow(follower, followed)
+      {:ok, _, _, follow_activity} = CommonAPI.follow(follower, followed)
 
       accept_data =
         File.read!("test/fixtures/mastodon-accept-activity.json")
@@ -619,7 +568,7 @@ defmodule Pleroma.Web.ActivityPub.TransmogrifierTest do
       followed = insert(:user, locked: true)
 
       {:ok, follower} = User.follow(follower, followed)
-      {:ok, _follow_activity} = ActivityPub.follow(follower, followed)
+      {:ok, _, _, _follow_activity} = CommonAPI.follow(follower, followed)
 
       assert User.following?(follower, followed) == true
 
@@ -645,7 +594,7 @@ defmodule Pleroma.Web.ActivityPub.TransmogrifierTest do
       followed = insert(:user, locked: true)
 
       {:ok, follower} = User.follow(follower, followed)
-      {:ok, follow_activity} = ActivityPub.follow(follower, followed)
+      {:ok, _, _, follow_activity} = CommonAPI.follow(follower, followed)
 
       assert User.following?(follower, followed) == true
 
@@ -709,22 +658,44 @@ defmodule Pleroma.Web.ActivityPub.TransmogrifierTest do
           "https://peertube.moe/videos/watch/df5f464b-be8d-46fb-ad81-2d4c2d1630e3"
         )
 
-      attachment = %{
-        "type" => "Link",
-        "mediaType" => "video/mp4",
-        "url" => [
-          %{
-            "href" =>
-              "https://peertube.moe/static/webseed/df5f464b-be8d-46fb-ad81-2d4c2d1630e3-480.mp4",
-            "mediaType" => "video/mp4"
-          }
-        ]
-      }
-
       assert object.data["url"] ==
                "https://peertube.moe/videos/watch/df5f464b-be8d-46fb-ad81-2d4c2d1630e3"
 
-      assert object.data["attachment"] == [attachment]
+      assert object.data["attachment"] == [
+               %{
+                 "type" => "Link",
+                 "mediaType" => "video/mp4",
+                 "url" => [
+                   %{
+                     "href" =>
+                       "https://peertube.moe/static/webseed/df5f464b-be8d-46fb-ad81-2d4c2d1630e3-480.mp4",
+                     "mediaType" => "video/mp4"
+                   }
+                 ]
+               }
+             ]
+
+      {:ok, object} =
+        Fetcher.fetch_object_from_id(
+          "https://framatube.org/videos/watch/6050732a-8a7a-43d4-a6cd-809525a1d206"
+        )
+
+      assert object.data["attachment"] == [
+               %{
+                 "type" => "Link",
+                 "mediaType" => "video/mp4",
+                 "url" => [
+                   %{
+                     "href" =>
+                       "https://framatube.org/static/webseed/6050732a-8a7a-43d4-a6cd-809525a1d206-1080.mp4",
+                     "mediaType" => "video/mp4"
+                   }
+                 ]
+               }
+             ]
+
+      assert object.data["url"] ==
+               "https://framatube.org/videos/watch/6050732a-8a7a-43d4-a6cd-809525a1d206"
     end
 
     test "it accepts Flag activities" do
@@ -803,6 +774,29 @@ defmodule Pleroma.Web.ActivityPub.TransmogrifierTest do
       assert [user.follower_address] == activity.data["to"]
     end
 
+    test "it correctly processes messages with weirdness in address fields" do
+      user = insert(:user)
+
+      message = %{
+        "@context" => "https://www.w3.org/ns/activitystreams",
+        "to" => [nil, user.follower_address],
+        "cc" => ["https://www.w3.org/ns/activitystreams#Public", ["¿"]],
+        "type" => "Create",
+        "object" => %{
+          "content" => "…",
+          "type" => "Note",
+          "attributedTo" => user.ap_id,
+          "inReplyTo" => nil
+        },
+        "actor" => user.ap_id
+      }
+
+      assert {:ok, activity} = Transmogrifier.handle_incoming(message)
+
+      assert ["https://www.w3.org/ns/activitystreams#Public"] == activity.data["cc"]
+      assert [user.follower_address] == activity.data["to"]
+    end
+
     test "it accepts Move activities" do
       old_user = insert(:user)
       new_user = insert(:user)
diff --git a/test/web/activity_pub/utils_test.exs b/test/web/activity_pub/utils_test.exs
index 15f03f193..361dc5a41 100644
--- a/test/web/activity_pub/utils_test.exs
+++ b/test/web/activity_pub/utils_test.exs
@@ -8,7 +8,6 @@ defmodule Pleroma.Web.ActivityPub.UtilsTest do
   alias Pleroma.Object
   alias Pleroma.Repo
   alias Pleroma.User
-  alias Pleroma.Web.ActivityPub.ActivityPub
   alias Pleroma.Web.ActivityPub.Utils
   alias Pleroma.Web.AdminAPI.AccountView
   alias Pleroma.Web.CommonAPI
@@ -27,16 +26,6 @@ defmodule Pleroma.Web.ActivityPub.UtilsTest do
     end
   end
 
-  describe "fetch the latest Block" do
-    test "fetches the latest Block activity" do
-      blocker = insert(:user)
-      blocked = insert(:user)
-      {:ok, activity} = ActivityPub.block(blocker, blocked)
-
-      assert activity == Utils.fetch_latest_block(blocker, blocked)
-    end
-  end
-
   describe "determine_explicit_mentions()" do
     test "works with an object that has mentions" do
       object = %{
@@ -207,8 +196,8 @@ defmodule Pleroma.Web.ActivityPub.UtilsTest do
       user = insert(:user, locked: true)
       follower = insert(:user)
 
-      {:ok, follow_activity} = ActivityPub.follow(follower, user)
-      {:ok, follow_activity_two} = ActivityPub.follow(follower, user)
+      {:ok, _, _, follow_activity} = CommonAPI.follow(follower, user)
+      {:ok, _, _, follow_activity_two} = CommonAPI.follow(follower, user)
 
       data =
         follow_activity_two.data
@@ -231,8 +220,8 @@ defmodule Pleroma.Web.ActivityPub.UtilsTest do
       user = insert(:user, locked: true)
       follower = insert(:user)
 
-      {:ok, follow_activity} = ActivityPub.follow(follower, user)
-      {:ok, follow_activity_two} = ActivityPub.follow(follower, user)
+      {:ok, _, _, follow_activity} = CommonAPI.follow(follower, user)
+      {:ok, _, _, follow_activity_two} = CommonAPI.follow(follower, user)
 
       data =
         follow_activity_two.data
@@ -344,9 +333,9 @@ defmodule Pleroma.Web.ActivityPub.UtilsTest do
       user1 = insert(:user)
       user2 = insert(:user)
 
-      assert {:ok, %Activity{} = _} = ActivityPub.block(user1, user2)
-      assert {:ok, %Activity{} = _} = ActivityPub.block(user1, user2)
-      assert {:ok, %Activity{} = activity} = ActivityPub.block(user1, user2)
+      assert {:ok, %Activity{} = _} = CommonAPI.block(user1, user2)
+      assert {:ok, %Activity{} = _} = CommonAPI.block(user1, user2)
+      assert {:ok, %Activity{} = activity} = CommonAPI.block(user1, user2)
 
       assert Utils.fetch_latest_block(user1, user2) == activity
     end
diff --git a/test/web/activity_pub/views/user_view_test.exs b/test/web/activity_pub/views/user_view_test.exs
index bec15a996..98c7c9d09 100644
--- a/test/web/activity_pub/views/user_view_test.exs
+++ b/test/web/activity_pub/views/user_view_test.exs
@@ -158,4 +158,23 @@ defmodule Pleroma.Web.ActivityPub.UserViewTest do
       assert %{"totalItems" => 1} = UserView.render("following.json", %{user: user})
     end
   end
+
+  describe "acceptsChatMessages" do
+    test "it returns this value if it is set" do
+      true_user = insert(:user, accepts_chat_messages: true)
+      false_user = insert(:user, accepts_chat_messages: false)
+      nil_user = insert(:user, accepts_chat_messages: nil)
+
+      assert %{"capabilities" => %{"acceptsChatMessages" => true}} =
+               UserView.render("user.json", user: true_user)
+
+      assert %{"capabilities" => %{"acceptsChatMessages" => false}} =
+               UserView.render("user.json", user: false_user)
+
+      refute Map.has_key?(
+               UserView.render("user.json", user: nil_user)["capabilities"],
+               "acceptsChatMessages"
+             )
+    end
+  end
 end