def test_one_time(self):
h = EventHandler(one_time_events=('start', 'finish'))
self.assertEqual(h.event('finish').name, 'finish')
h.bind_event('finish', lambda f: 'OK')
result = h.fire_event('finish')
self.assertTrue(h.event('finish').done())
self.assertEqual(result, 'OK')
def test_one_time_error(self):
h = EventHandler(one_time_events=('start', 'finish'))
self.assertEqual(h.event('finish').name, 'finish')
h.bind_event('finish', lambda f: 'OK'+4)
result = h.fire_event('finish')
self.assertTrue(h.event('finish').done())
self.assertTrue(isinstance(result, Failure))
result.mute()