Test Relay, switch to runtime configuration.

test/web/federator_test.exs

@@ -1,6 +1,10 @@
 defmodule Pleroma.Web.FederatorTest do
   alias Pleroma.Web.Federator
+  alias Pleroma.Web.CommonAPI
+  alias Pleroma.Config
   use Pleroma.DataCase
+  import Pleroma.Factory
+  import Mock
 
   test "enqueues an element according to priority" do
     queue = [%{item: 1, priority: 2}]
@@ -17,4 +21,45 @@ defmodule Pleroma.Web.FederatorTest do
 
     assert {2, [%{item: 1, priority: 2}]} = Federator.queue_pop(queue)
   end
+
+  describe "Publish an activity" do
+    setup do
+      user = insert(:user)
+      {:ok, activity} = CommonAPI.post(user, %{"status" => "HI"})
+
+      relay_mock = {
+        Pleroma.Web.ActivityPub.Relay,
+        [],
+        [publish: fn _activity -> send(self(), :relay_publish) end]
+      }
+
+      %{activity: activity, relay_mock: relay_mock}
+    end
+
+    test "with relays active, it publishes to the relay", %{
+      activity: activity,
+      relay_mock: relay_mock
+    } do
+      Config.put([:instance, :allow_relay], true)
+
+      with_mocks([relay_mock]) do
+        Federator.handle(:publish, activity)
+      end
+
+      assert_received :relay_publish
+    end
+
+    test "with relays deactivated, it does not publish to the relay", %{
+      activity: activity,
+      relay_mock: relay_mock
+    } do
+      Config.put([:instance, :allow_relay], false)
+
+      with_mocks([relay_mock]) do
+        Federator.handle(:publish, activity)
+      end
+
+      refute_received :relay_publish
+    end
+  end
 end