3 files changed, 23 insertions, 0 deletions
diff --git a/test/activity/ir/topics_test.exs b/test/activity/ir/topics_test.exs
index 14a6e6b71..c8dcb28cc 100644
--- a/test/activity/ir/topics_test.exs
+++ b/test/activity/ir/topics_test.exs
@@ -93,6 +93,13 @@ defmodule Pleroma.Activity.Ir.TopicsTest do
 
       refute Enum.member?(topics, "hashtag:2")
     end
+
+    test "non-local action produces public:remote topic", %{activity: activity} do
+      activity = %{activity | local: false, actor: "https://lain.com/users/lain"}
+      topics = Topics.get_activity_topics(activity)
+
+      assert Enum.member?(topics, "public:remote:lain.com")
+    end
   end
 
   describe "public visibility create events with attachments" do
@@ -124,6 +131,13 @@ defmodule Pleroma.Activity.Ir.TopicsTest do
 
       refute Enum.member?(topics, "public:local:media")
     end
+
+    test "non-local action produces public:remote:media topic", %{activity: activity} do
+      activity = %{activity | local: false, actor: "https://lain.com/users/lain"}
+      topics = Topics.get_activity_topics(activity)
+
+      assert Enum.member?(topics, "public:remote:media:lain.com")
+    end
   end
 
   describe "non-public visibility" do
diff --git a/test/integration/mastodon_websocket_test.exs b/test/integration/mastodon_websocket_test.exs
index 0f2e6cc2b..bb8e795b7 100644
--- a/test/integration/mastodon_websocket_test.exs
+++ b/test/integration/mastodon_websocket_test.exs
@@ -49,6 +49,7 @@ defmodule Pleroma.Integration.MastodonWebsocketTest do
   test "allows public streams without authentication" do
     assert {:ok, _} = start_socket("?stream=public")
     assert {:ok, _} = start_socket("?stream=public:local")
+    assert {:ok, _} = start_socket("?stream=public:remote&instance=lain.com")
     assert {:ok, _} = start_socket("?stream=hashtag&tag=lain")
   end
 
diff --git a/test/web/streamer/streamer_test.exs b/test/web/streamer/streamer_test.exs
index 185724a9f..1495ed124 100644
--- a/test/web/streamer/streamer_test.exs
+++ b/test/web/streamer/streamer_test.exs
@@ -29,6 +29,14 @@ defmodule Pleroma.Web.StreamerTest do
       assert {:ok, "public:local:media"} = Streamer.get_topic("public:local:media", nil, nil)
     end
 
+    test "allows instance streams" do
+      assert {:ok, "public:remote:lain.com"} =
+               Streamer.get_topic("public:remote", nil, nil, %{"instance" => "lain.com"})
+
+      assert {:ok, "public:remote:media:lain.com"} =
+               Streamer.get_topic("public:remote:media", nil, nil, %{"instance" => "lain.com"})
+    end
+
     test "allows hashtag streams" do
       assert {:ok, "hashtag:cofe"} = Streamer.get_topic("hashtag", nil, nil, %{"tag" => "cofe"})
     end