def test_enter__exit(self):
hub = Hub()
P = hub.poller = Mock()
hub.init = Mock()
on_close = Mock()
hub.on_close.append(on_close)
hub.init()
try:
hub.init.assert_called_with()
read_A = Mock()
read_B = Mock()
hub.update_readers({10: read_A, File(11): read_B})
write_A = Mock()
write_B = Mock()
hub.update_writers({20: write_A, File(21): write_B})
self.assertTrue(hub.readers)
self.assertTrue(hub.writers)
finally:
hub.close()
self.assertFalse(hub.readers)
self.assertFalse(hub.writers)
P.unregister.assert_has_calls([
call(10), call(11), call(20), call(21),
], any_order=True)
on_close.assert_called_with(hub)
def test_init(self):
hub = Hub()
cb1 = Mock()
cb2 = Mock()
hub.on_init.extend([cb1, cb2])
hub.init()
cb1.assert_called_with(hub)
cb2.assert_called_with(hub)