我正在编写单元测试来检查输入验证在我的 Spring 存储库中是否有效,但它看起来并不像这样。
为了简单起见,我有一个 Repository 类:
@Repository
public class CustomerRepository {
// Java client for Redis, that I extend as JedisConnector in order to make it a Bean
private Jedis jedis;
@Autowired
public CustomerRepository(JedisConnector jedis) {
this.jedis = jedis;
}
private <S extends Customer> S save(@Valid S customer) throws CustomerException {
try {
this.jedis.set(...); // writing to Redis (mocked in test)
return customer;
} catch (JsonProcessingException e) {
throw new CustomerException(e.toString());
}
}
}
这使用以下模型类:
@AllArgsConstructor
@NoArgsConstructor
@Data // from Lombok
public class Customer {
@Email(message = "Email must be valid.")
private String identifier;
@NotBlank(message = "Password cannot be null or empty string.")
private String password;
@URL(message = "URL must be a url.")
private String url;
}
所以我编写了一个像这样的单元测试,期望它抛出一些我可以断言的异常:
@RunWith(SpringRunner.class)
@SpringBootTest(classes = {JedisConnector.class})
public class CustomerRepositoryTest {
// Cannot autowire because dependent bean needs to be configured
private CustomerRepository customerRepository;
@MockBean
JedisConnector jedisConnector;
@Before
public void setUp() {
// Configure Mock JedisConnector
MockitoAnnotations.initMocks(this);
Mockito.when(jedisConnector.select(anyInt())).thenReturn("OK");
// Manually wire dependency
customerRepository = new CustomerRepository(jedisConnector);
}
@Test
public void saveShouldFailOnInvalidInput() throws CustomerException {
Mockito.when(jedisConnector.set(anyString(), anyString())).thenReturn("OK");
// Blatantly invalid input
Customer customer = new Customer("testemail", "", "testurl");
customerRepository.save(customer);
}
}
但它只是运行,仅输出调试消息(我在这个问题中遗漏了)。 如何强制执行验证?如果可能,我希望避免在存储库的每个方法中显式调用 validator 。
我在网上看到了很多我试图重现的例子(从 Baeldung 到 DZone,当然这个网站上有很多问题,包括 this interesting one ),但仍然不成功。我错过了什么?
最佳答案
如果您想使用repository
via,则似乎需要实现集成测试
,以便抛出javax.validation.ConstraintViolationException
显示不能为空
,但如果您只想测试这些验证,那么您必须通过以下方式使用 validator 进行测试:
1.- 添加以下依赖项:
<dependency>
<groupId>org.hibernate</groupId>
<artifactId>hibernate-validator</artifactId>
<version>6.0.13.Final</version>
</dependency>
2.- 为 Customer
字段添加自定义验证测试
import javax.validation.Validation;
import javax.validation.Validator;
import org.junit.Before;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.springframework.test.context.junit4.SpringRunner;
import static org.assertj.core.api.Assertions.assertThat;
@RunWith(SpringRunner.class)
public class CustomerValidationTest {
private Validator validator;
@Before
public void setupValidatorInstance() {
validator = Validation.buildDefaultValidatorFactory().getValidator();
}
@Test
public void whenNotEmptyPassword_thenNoConstraintViolations() {
Customer customer = new Customer();
customer.setPassword("");
Set<ConstraintViolation<Customer>> violations = validator.validate(customer);
assertThat(violations.size()).isEqualTo(1);
}
}
关于java - @Valid不会触发@Repository中的验证,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/58561337/