def test_clone(self):
@Node.extend(clone=True)
def hack(self, alias):
self._negated = True
self._alias = alias
n = Node()
c = n.hack('magic!')
self.assertFalse(n._negated)
self.assertEqual(n._alias, None)
self.assertTrue(c._negated)
self.assertEqual(c._alias, 'magic!')
class TestModel(Model):
data = CharField()
hacked = TestModel.data.hack('nugget')
self.assertFalse(TestModel.data._negated)
self.assertEqual(TestModel.data._alias, None)
self.assertTrue(hacked._negated)
self.assertEqual(hacked._alias, 'nugget')
delattr(Node, 'hack')
self.assertRaises(AttributeError, lambda: TestModel.data.hack())
