def test_save_should_set_users_password_and_return_instance(self, save):
# setup
form = EditPasswordForm()
cleaned_data = dict(password='******')
form.cleaned_data = cleaned_data
instance = mock.Mock()
save.return_value = instance
# action
returned_value = form.save()
# assert
self.assertDictEqual(dict(commit=False), save.call_args[1])
self.assertTupleEqual((cleaned_data['password'], ),
instance.set_password.call_args[0])
self.assertEqual(1, instance.save.call_count)
self.assertEqual(id(instance), id(returned_value))
