class ImmutableEventDispatcherTest(TestCase):
def __init__(self, methodName='runTest'):
super().__init__(methodName)
self.__dispatcher = None
self.__inner_dispatcher = None
def setUp(self):
self.__inner_dispatcher = EventDispatcher()
self.__dispatcher = ImmutableEventDispatcher(self.__inner_dispatcher)
def test_dispatch_delegates(self):
event = Event()
self.__inner_dispatcher.dispatch = Mock(return_value='result')
self.assertEqual('result', self.__dispatcher.dispatch('event', event))
self.__inner_dispatcher.dispatch.assert_called_with('event', event)
def test_get_listeners_delegates(self):
self.__inner_dispatcher.get_listeners = Mock(return_value='result')
self.assertEqual('result', self.__dispatcher.get_listeners('event'))
self.__inner_dispatcher.get_listeners.assert_called_with('event')
def test_has_listeners_delegates(self):
self.__inner_dispatcher.has_listeners = Mock(return_value='result')
self.assertEqual('result', self.__dispatcher.has_listeners('event'))
self.__inner_dispatcher.has_listeners.assert_called_with('event')
def test_add_listener_disallowed(self):
with self.assertRaises(BadMethodCallError):
self.__dispatcher.add_listener('event', lambda event, name, dispatcher: event.stop_propagation())
def test_add_subscriber_disallowed(self):
with self.assertRaises(BadMethodCallError):
subscriber = Mock()
self.__dispatcher.add_subscriber(subscriber)
def test_remove_listener_disallowed(self):
with self.assertRaises(BadMethodCallError):
self.__dispatcher.remove_listener('event', lambda event, name, dispatcher: event.stop_propagation())
def test_remove_subscriber_disallowed(self):
with self.assertRaises(BadMethodCallError):
subscriber = Mock()
self.__dispatcher.remove_subscriber(subscriber)
def setUp(self):
self.__inner_dispatcher = EventDispatcher()
self.__dispatcher = ImmutableEventDispatcher(self.__inner_dispatcher)
