Create tombstone instead of object deletion

test/activity_test.exs

@@ -1,5 +1,6 @@
 defmodule Pleroma.ActivityTest do
   use Pleroma.DataCase
+  alias Pleroma.Activity
   import Pleroma.Factory
 
   test "returns an activity by it's AP id" do
@@ -24,4 +25,28 @@ defmodule Pleroma.ActivityTest do
 
     assert activity == found_activity
   end
+
+  test "returns tombstone" do
+    activity = insert(:note_activity)
+    deleted = DateTime.utc_now()
+
+    assert Pleroma.Activity.get_tombstone(activity, deleted) == %{
+             id: activity.data["object"]["id"],
+             context: activity.data["context"],
+             type: "tombstone",
+             published: activity.data["published"],
+             deleted: deleted
+           }
+  end
+
+  test "swaps data with tombstone" do
+    activity = insert(:note_activity)
+
+    {:ok, deleted} = Pleroma.Activity.swap_data_with_tombstone(activity)
+    assert deleted.data.type == "tombstone"
+
+    found_activity = Repo.get(Activity, activity.id)
+
+    assert deleted.data.type == found_activity.data["type"]
+  end
 end

test/user_test.exs

@@ -625,7 +625,7 @@ defmodule Pleroma.UserTest do
 
     # TODO: Remove favorites, repeats, delete activities.
 
-    refute Repo.get(Activity, activity.id)
+    assert Repo.get(Activity, activity.id).data["type"] == "tombstone"
   end
 
   test "get_public_key_for_ap_id fetches a user that's not in the db" do

test/web/activity_pub/activity_pub_test.exs

@@ -478,7 +478,7 @@ defmodule Pleroma.Web.ActivityPub.ActivityPubTest do
 
       assert Repo.get(Activity, delete.id) != nil
 
-      assert Repo.get(Object, object.id) == nil
+      assert Repo.get(Object, object.id).data["type"] == "tombstone"
     end
   end
 

test/web/activity_pub/transmogrifier_test.exs

@@ -363,7 +363,7 @@ defmodule Pleroma.Web.ActivityPub.TransmogrifierTest do
 
       {:ok, %Activity{local: false}} = Transmogrifier.handle_incoming(data)
 
-      refute Repo.get(Activity, activity.id)
+      assert Repo.get(Activity, activity.id).data["type"] == "tombstone"
     end
 
     test "it fails for incoming deletes with spoofed origin" do

test/web/mastodon_api/mastodon_api_controller_test.exs

@@ -292,7 +292,7 @@ defmodule Pleroma.Web.MastodonAPI.MastodonAPIControllerTest do
 
       assert %{} = json_response(conn, 200)
 
-      assert Repo.get(Activity, activity.id) == nil
+      assert Repo.get(Activity, activity.id).data["type"] == "tombstone"
     end
 
     test "when you didn't create it", %{conn: conn} do