def test_invalid_name(self):
customer_validation = CustomerValidation(self.customer)
self.customer.name = "Test2"
error = customer_validation.validate_name()
self.assertNotEqual(error, None)
def test_validate_name(self):
customer_validation = CustomerValidation(self.customer)
self.customer.name = "New Name"
error = customer_validation.validate_name()
self.assertEqual(error, None)