def test_onupdate_is_not_triggered_for_unmodified_fields(self):
val = check_value()
user = UserOnupdate(name='A', age=20)
setattr(user, "_is_new", False)
user.name = 'B'
user._set_on_save()
self.assertEqual(check_value(), val)
def test_onupdate_accepts_zero_args(self):
val = check_value()
user = UserOnupdateZ(name='A', age=20)
setattr(user, "_is_new", False)
user.age = 25
user._set_on_save()
self.assertEqual(check_value(), val + 1)
self.assertEqual(check_args(), (-50, -50))
def test_onupdate_accepts_three_args_old_new_and_context(self):
val = check_value()
user = UserOnupdateT(name='A', age=35)
setattr(user, "_is_new", False)
user.age = 45
user._set_on_save()
self.assertEqual(check_value(), val + 1)
self.assertEqual(check_args(), (80, 90))
def test_onupdate_accepts_two_args_old_and_new(self):
val = check_value()
user = UserOnupdateD(name='A', age=20)
setattr(user, "_is_new", False)
user.age = 25
user._set_on_save()
self.assertEqual(check_value(), val + 1)
self.assertEqual(check_args(), (20, 25))
def test_onupdate_is_triggered_for_modified_fields(self):
val = check_value()
user = UserOnupdate(name='A', age=20)
setattr(user, "_is_new", False)
user.age = 25
user._set_on_save()
self.assertEqual(check_value(), val + 1)
self.assertEqual(check_args(), (-1, 25))
def test_onupdate_is_not_triggered_for_new_objects(self):
val = check_value()
user = UserOnupdate(name='A', age=20)
user.age = 5
user._set_on_save()
self.assertEqual(check_value(), val)