def test_should_return_validator_error_message_if_input_is_invalid(self):
# arrange
validator = Mock()
repository = Mock()
validator_error_response = {'is_valid': False, 'errors': ['Name was invalid']}
validator.validate_input.return_value = validator_error_response
service = CustomerService(validator, repository)
response = service.save_customer('invalid_input')
assert_equals(validator_error_response, response)
def test_should_save_customer_information_if_input_is_valid(self):
# arrange
validator = Mock()
repository = Mock()
repository.save.return_value = 'OK'
valid_response = {'is_valid': True, 'errors': []}
validator.validate_input.return_value = valid_response
service = CustomerService(validator, repository)
# act
service.save_customer('valid_input')
#assert
repository.save.assert_any_call()