from unittest import TestCase class BaseCassEngTestCase(TestCase): def assertHasAttr(self, obj, attr): self.assertTrue(hasattr(obj, attr), "{} doesn't have attribute: {}".format(obj, attr)) def assertNotHasAttr(self, obj, attr): self.assertFalse(hasattr(obj, attr), "{} shouldn't have the attribute: {}".format(obj, attr))