[#2349] Made :skip_plug/2 prevent plug from being executed even if explicitly called. Refactoring. Tests.

lib/pleroma/tests/oauth_test_controller.ex

@@ -0,0 +1,31 @@
+# Pleroma: A lightweight social networking server
+# Copyright © 2017-2020 Pleroma Authors <https://pleroma.social/>
+# SPDX-License-Identifier: AGPL-3.0-only
+
+# A test controller reachable only in :test env.
+# Serves to test OAuth scopes check skipping / enforcement.
+defmodule Pleroma.Tests.OAuthTestController do
+  @moduledoc false
+
+  use Pleroma.Web, :controller
+
+  alias Pleroma.Plugs.OAuthScopesPlug
+
+  plug(:skip_plug, OAuthScopesPlug when action == :skipped_oauth)
+
+  plug(OAuthScopesPlug, %{scopes: ["read"]} when action != :missed_oauth)
+
+  def skipped_oauth(conn, _params) do
+    noop(conn)
+  end
+
+  def performed_oauth(conn, _params) do
+    noop(conn)
+  end
+
+  def missed_oauth(conn, _params) do
+    noop(conn)
+  end
+
+  defp noop(conn), do: json(conn, %{})
+end