def test_isSystemChannel_returns_true_for_channel_starting_with_sys(self):
channel = factory.make_name("sys_", sep="")
listener = PostgresListenerService()
self.assertTrue(listener.isSystemChannel(channel))
def test_isSystemChannel_returns_false_for_channel_not__sys(self):
channel = factory.make_name("node_", sep="")
listener = PostgresListenerService()
self.assertFalse(listener.isSystemChannel(channel))
