fix emoji controller tests

lib/pleroma/web/activity_pub/builder.ex

@@ -64,7 +64,7 @@ def emoji_react(actor, object, emoji) do
           |> Map.put("content", emoji)
           |> Map.put("type", "EmojiReact")
         else
-          emojo = Emoji.get(emoji)
+          with %{} = emojo <- Emoji.get(emoji) do
             path = emojo |> Map.get(:file)
             url = "#{Endpoint.url()}#{path}"
 
@@ -83,6 +83,9 @@ def emoji_react(actor, object, emoji) do
                 |> Map.put("url", url)
               )
             ])
+          else
+            _ -> {:error, "Emoji does not exist"}
+          end
         end
 
       {:ok, data, meta}

lib/pleroma/web/pleroma_api/controllers/emoji_reaction_controller.ex

@@ -67,7 +67,7 @@ def filter_allowed_users(reactions, user, with_muted) do
   end
 
   defp filter(reactions, %{emoji: emoji}) when is_binary(emoji) do
-    Enum.filter(reactions, fn [e, _] -> e == emoji end)
+    Enum.filter(reactions, fn [e, _, _] -> e == emoji end)
   end
 
   defp filter(reactions, _), do: reactions

test/pleroma/web/pleroma_api/controllers/emoji_reaction_controller_test.exs

@@ -31,7 +31,7 @@ test "PUT /api/v1/pleroma/statuses/:id/reactions/:emoji", %{conn: conn} do
     assert to_string(activity.id) == id
 
     assert result["pleroma"]["emoji_reactions"] == [
-             %{"name" => "☕", "count" => 1, "me" => true}
+             %{"name" => "☕", "count" => 1, "me" => true, "url" => nil}
            ]
 
     # Reacting with a non-emoji
@@ -181,7 +181,15 @@ test "GET /api/v1/pleroma/statuses/:id/reactions/:emoji", %{conn: conn} do
     {:ok, _} = CommonAPI.react_with_emoji(activity.id, other_user, "🎅")
     {:ok, _} = CommonAPI.react_with_emoji(activity.id, other_user, "☕")
 
-    assert [%{"name" => "🎅", "count" => 1, "accounts" => [represented_user], "me" => false}] =
+    assert [
+             %{
+               "name" => "🎅",
+               "count" => 1,
+               "accounts" => [represented_user],
+               "me" => false,
+               "url" => nil
+             }
+           ] =
              conn
              |> get("/api/v1/pleroma/statuses/#{activity.id}/reactions/🎅")
              |> json_response_and_validate_schema(200)