def test_cancel_already_cancelled(self):
# Verify that the timer gracefully handles AlreadyCancelled errors.
self.handle.cancel.side_effect = twisted_error.AlreadyCancelled()
self.timer.cancel()
self.handle.cancel.assert_called_once()
def _check(self):
if self.called:
raise error.AlreadyCalled()
elif self.cancelled:
raise error.AlreadyCancelled()