def test_Event_CreateAnEventWithListener_GetListernerReturnsSameValue(self):
event = Event.with_listerners([Listener("listener1")])
self.assertEquals(event.get_listeners(), [Listener("listener1")])
def test_Event_WhenNotSubscribedCallIngUnsubscribe_RaisesAnException(self):
event = Event.with_listerners([])
with self.assertRaises(NotSubscribedException):
event.unsubscribe("listener1")
def test_Event_WhenAllreadySubscribedCallIngSubscribe_RaisesAnException(self):
event = Event.with_listerners([Listener("listener1")])
with self.assertRaises(AllreadySubscribedException):
event.subscribe("listener1")
def test_Event_CallIngUnsubscribe_RemovesAListener(self):
event = Event.with_listerners([Listener("listener1")])
event.unsubscribe("listener1")
self.assertEquals(event.get_listeners_methods(), [])
def test_Event_NewEventWithListernerArguement_HasListenersGiven(self):
event = Event.with_listerners([Listener("listener1")])
listeners = event.get_listeners_methods()
self.assertEquals(listeners, ["listener1"])
