Esempio n. 1
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 def testUnregisterIfNotRegistered(self):
     """EventManager.unregister complains if not registered."""
     event_manager = EventManager()
     listener = SubListener()
     self.assertRaises(evtman.NotRegisteredError, event_manager.unregister, listener)
     event_manager.register(listener)
     event_manager.unregister(listener)
     self.assertRaises(evtman.NotRegisteredError, event_manager.unregister, listener)
Esempio n. 2
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 def testRegister(self):
     """EventManager.register adds the listener to its list."""
     event_manager = EventManager()
     listener = SubListener()
     event_manager.register(listener)
     handlers = event_manager._handlers
     self.assertEquals(len(handlers), 1)
     self.assertEquals(len(handlers["SubEvent"]), 1)
     self.assertEquals(handlers["SubEvent"][listener], listener.onSubEvent.im_func)
Esempio n. 3
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 def testUnregister(self):
     """EventManager.unregister removes the handlers of a listener."""
     event_manager = EventManager()
     listener1 = SubListener()
     listener2 = SubListener()
     event_manager.register(listener1)
     event_manager.register(listener2)
     event_manager.unregister(listener1)
     self.assertFalse(listener1 in event_manager._handlers["SubEvent"])
     self.assertTrue(listener2 in event_manager._handlers["SubEvent"])
Esempio n. 4
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    def testWeakReference(self):
        """EventManager forgets dead listeners."""
        event_manager = EventManager()
        listener = SubListener()
        event_manager.register(listener)

        del listener
        import gc

        gc.collect()

        handlers = event_manager._handlers
        self.assertEquals(len(handlers), 1)
        self.assertEquals(len(handlers["SubEvent"]), 0)
Esempio n. 5
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 def testRegisterTwice(self):
     """EventManager.register breaks if already registered."""
     event_manager = EventManager()
     listener = SubListener()
     event_manager.register(listener)
     self.assertRaises(evtman.AlreadyRegisteredError, event_manager.register, listener)
Esempio n. 6
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    def testPostAndPump(self):
        """EventManager.pump sends all the posted events to all the listeners.

        """
        event_manager = EventManager()
        listener1 = SubListener()
        listener2 = SubListener()
        event_manager.register(listener1)
        event_manager.register(listener2)
        event_manager.register(Listener())  # This one won't react.
        event1 = SubEvent(666, 42)
        event2 = SubEvent(13, 7)
        global egg_plus_spam
        egg_plus_spam = 0
        event_manager.post(event1)
        event_manager.post(event2)
        event_manager.post(Event())  # This one won't trigger anything.
        event_manager.pump()
        self.assertEquals(egg_plus_spam, (666 + 42 + 13 + 7) * 2)