Remove unknown activities from feed.

1 files changed, 6 insertions, 1 deletions

diff --git a/test/web/ostatus/activity_representer_test.exs b/test/web/ostatus/activity_representer_test.exs
index de79717b1..61df41a1d 100644
--- a/test/web/ostatus/activity_representer_test.exs
+++ b/test/web/ostatus/activity_representer_test.exs
@@ -2,7 +2,7 @@ defmodule Pleroma.Web.OStatus.ActivityRepresenterTest do
   use Pleroma.DataCase
 
   alias Pleroma.Web.OStatus.ActivityRepresenter
-  alias Pleroma.User
+  alias Pleroma.{User, Activity}
 
   import Pleroma.Factory
 
@@ -32,6 +32,11 @@ defmodule Pleroma.Web.OStatus.ActivityRepresenterTest do
     assert clean(res) == clean(expected)
   end
 
+  test "an unknown activity" do
+    tuple = ActivityRepresenter.to_simple_form(%Activity{}, nil)
+    assert is_nil(tuple)
+  end
+
   defp clean(string) do
     String.replace(string, ~r/\s/, "")
   end