def test_notify_observers(self):
"""
Test that a substate still notifies observers
"""
# SETUP
m = StateMachine('Observed')
composite_state = m.create_state('composite', CompositeState)
sub_state = composite_state.create_state('substate')
listener = StateMachine('Listener')
listener.notify = MagicMock()
m.register_observer('tick', listener)
# TEST
e = Event('tick')
sub_state.notify_observers(e)
m.flush()
self.assertEqual(1, listener.notify.call_count)
listener.notify.assert_called_with(e)
