def mockSignal(self, signal: Signal) -> typing.Iterator[mock.Mock]: # pylint: disable=invalid-name
"""Context manager to attach a mock to the given signal."""
# This function is only here to create an autospec. From the documentation:
#
# Notice that the function takes a sender argument, along with wildcard keyword arguments
# (**kwargs); all signal handlers must take these arguments.
#
# https://docs.djangoproject.com/en/dev/topics/signals/#connecting-to-specific-signals
def callback(sender: models.Model, **kwargs: typing.Any) -> None: # pragma: no cover
# pylint: disable=unused-argument
pass
signal_mock = mock.create_autospec(callback, spec_set=True)
signal.connect(signal_mock)
try:
yield signal_mock
finally:
signal.disconnect(signal_mock)
def test_email_not_sent_when_watcher_removed(self, notifications):
dispatch_uid = "publicweb.models.decision_signal_handler"
Signal.disconnect(signals.post_save, sender=Decision,
dispatch_uid=dispatch_uid)
decision = self.create_and_return_decision()
data = {
'description': decision.description,
'status': decision.status,
'deadline': decision.deadline,
'people': decision.people,
'watch': True
}
form = DecisionForm(data, instance=decision)
form.watch = False
form.is_valid()
form.save()
Signal.connect(
signals.post_save,
sender=Decision,
receiver=decision_signal_handler,
dispatch_uid=dispatch_uid
)
self.assertFalse(notifications.called)
