Add unit test for Pleroma API app controller

lib/pleroma/web/mastodon_api/controllers/app_controller.ex

@@ -10,11 +10,15 @@ defmodule Pleroma.Web.MastodonAPI.AppController do
 
   use Pleroma.Web, :controller
 
+  alias Pleroma.Maps
+  alias Pleroma.User
   alias Pleroma.Repo
   alias Pleroma.Web.OAuth.App
   alias Pleroma.Web.OAuth.Scopes
   alias Pleroma.Web.OAuth.Token
 
+  require Logger
+
   action_fallback(Pleroma.Web.MastodonAPI.FallbackController)
 
   plug(:skip_auth when action in [:create, :verify_credentials])
@@ -26,13 +30,21 @@ defmodule Pleroma.Web.MastodonAPI.AppController do
   defdelegate open_api_operation(action), to: Pleroma.Web.ApiSpec.AppOperation
 
   @doc "POST /api/v1/apps"
-  def create(%{body_params: params} = conn, _params) do
+  def create(%{assigns: %{user: user}, body_params: params} = conn, _params) do
     scopes = Scopes.fetch_scopes(params, ["read"])
 
+    user_id =
+      with %User{id: id} <- user do
+        id
+      else
+        _ -> nil
+      end
+
     app_attrs =
       params
       |> Map.take([:client_name, :redirect_uris, :website])
       |> Map.put(:scopes, scopes)
+      |> Maps.put_if_present(:user_id, user_id)
 
     with cs <- App.register_changeset(%App{}, app_attrs),
          false <- cs.changes[:client_name] == @local_mastodon_name,

lib/pleroma/web/o_auth/app.ex

@@ -30,7 +30,7 @@ defmodule Pleroma.Web.OAuth.App do
 
   @spec changeset(t(), map()) :: Ecto.Changeset.t()
   def changeset(struct, params) do
-    cast(struct, params, [:client_name, :redirect_uris, :scopes, :website, :trusted])
+    cast(struct, params, [:client_name, :redirect_uris, :scopes, :website, :trusted, :user_id])
   end
 
   @spec register_changeset(t(), map()) :: Ecto.Changeset.t()