def test_Event_CallIngSubscribeWithKwargs_AddAListenerWithKwargs(self):
event = Event()
event.subscribe("listener1", kwarg1="kwarg1_value", kwarg2="kwarg2_value")
self.assertEquals(event.listeners["listener1"], Listener("listener1",
CallArgs(kwargs={"kwarg1": "kwarg1_value",
"kwarg2" : "kwarg2_value"})))
def test_Event_UnsubscribeItselfInACallBack_CallbackIsUnsubscribed(self):
def unsubscriber_callback(event):
event.unsubscribe(unsubscriber_callback)
event = Event()
event.subscribe(unsubscriber_callback, event=event)
event.fire()
self.assertFalse(event.is_subscribed(unsubscriber_callback))
def test_Event_SubscribeInACallBack_CallbackIsSubscribed(self):
def subscriber_callback(event, callback2):
event.subscribe(callback2)
event = Event()
event.subscribe(subscriber_callback, event=event, callback2="callback1")
event.fire()
self.assertTrue(event.is_subscribed("callback1"))
def test_Event_SubscribeAndFireWithDupplicateKeyword_RaisesException(self):
mockListener = mock.Mock()
event = Event()
event.subscribe(mockListener, kword1="value1")
with self.assertRaises(DuplicateKeywordArgument):
event.fire(kword1="value2")
def test_Event_SubscribeWithArgsAndKwargsFireWithArgsAndKwargs_ListenerIsCalledWithMergedArguments(self):
mockListener = mock.Mock()
event = Event()
event.subscribe(mockListener, "arg1", "arg2", kword1="value1", kword2="value2")
event.fire("arg3", "arg4", kword3="value3", kword4="value4")
mockListener.assert_called_with('arg1', 'arg2', 'arg3', 'arg4', kword4='value4', kword3='value3', kword2='value2', kword1='value1')
def test_Event_FireUsingDifferentCallMethod_CallMethodIsCalled(self):
mock_call_method = mock.Mock()
event = Event(call_method=mock_call_method)
event.subscribe("fct1", "arg1")
event.fire("arg2")
mock_call_method.assert_called_with("fct1", "arg1", "arg2")
def test_Event_CreateAnEventWithListener_GetListernerReturnsSameValue(self):
event = Event.with_listerners([Listener("listener1")])
self.assertEquals(event.get_listeners(), [Listener("listener1")])
def test_Event_NewEvent_HasNoListeners(self):
event = Event()
listeners = event.get_listeners()
self.assertEquals(listeners, [])
def test_Event_WhenNotSubscribedCallIngUnsubscribe_RaisesAnException(self):
event = Event.with_listerners([])
with self.assertRaises(NotSubscribedException):
event.unsubscribe("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_WhenAllreadySubscribedCallIngSubscribe_RaisesAnException(self):
event = Event.with_listerners([Listener("listener1")])
with self.assertRaises(AllreadySubscribedException):
event.subscribe("listener1")
def test_Event_CallIngSubscribeWithArgs_AddAListenerWithArgs(self):
event = Event()
event.subscribe("listener1", "args1", "arg2")
self.assertEquals(event.listeners["listener1"], Listener("listener1", CallArgs(args=("args1", "arg2"))))
def test_Event_CallIngSubscribe_AddAListenerObject(self):
event = Event()
event.subscribe("listener1")
self.assertEquals(event.listeners["listener1"], Listener("listener1"))
def test_Event_NewEventWithListernerArguement_HasListenersGiven(self):
event = Event.with_listerners([Listener("listener1")])
listeners = event.get_listeners_methods()
self.assertEquals(listeners, ["listener1"])
