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_update_writers(self):
hub = Hub()
P = hub.poller = Mock()
write_A = Mock()
write_B = Mock()
hub.update_writers({20: write_A, File(21): write_B})
P.register.assert_has_calls([
call(20, hub.WRITE),
call(File(21), hub.WRITE),
], any_order=True)
self.assertIs(hub.writers[20], write_A)
self.assertIs(hub.writers[21], write_B)
hub.remove(20)
self.assertNotIn(20, hub.writers)
hub.remove(File(21))
self.assertNotIn(21, hub.writers)
P.unregister.assert_has_calls([
call(20), call(21),
])
