def test_create_tables(self): """Test that model.create_tables correctly creates all database tables.""" self.assertRaises(OperationalError, User.by_user_name, u'test') create_tables() assert _create_test_user() create_tables() assert User.by_user_name(u'creosote') create_tables(drop_all=True) user = User.by_user_name(u'creosote') assert user is None