def test_abstract():
 app = BaseApplicationBackend()
 for fun in (app._vispy_get_backend_name, app._vispy_process_events, app._vispy_run, app._vispy_quit):
  assert_raises(NotImplementedError, fun)

def test_abstract ( ) : app = BaseApplicationBackend ( ) for fun in ( app . _vispy_get_backend_name , app . _vispy_process_events , app . _vispy_run , app . _vispy_quit ) : assert_raises ( NotImplementedError , fun )
test app abstract template .