def test_leaves_some_other_signals_alone(self):
self.assertNotEqual(0, len(post_save.receivers))
old_pre_values = pre_save.receivers
with NoReceivers(post_save):
self.assertItemsEqual(old_pre_values, pre_save.receivers)
def test_clears_and_restores_signal(self):
# post_save already has some receivers on it, but make sure.
self.assertNotEqual(0, len(post_save.receivers))
old_values = list(post_save.receivers)
with NoReceivers(post_save):
self.assertEqual([], post_save.receivers)
self.assertItemsEqual(old_values, post_save.receivers)
def test_clears_and_restores_many_signals(self):
self.assertNotEqual(0, len(post_save.receivers))
self.assertNotEqual(0, len(pre_save.receivers))
old_pre_values = pre_save.receivers
old_post_values = post_save.receivers
with NoReceivers((post_save, pre_save)):
self.assertEqual([], post_save.receivers)
self.assertEqual([], pre_save.receivers)
self.assertItemsEqual(old_pre_values, pre_save.receivers)
self.assertItemsEqual(old_post_values, post_save.receivers)