有没有更新的 Spring AOP 和 mockito 方法? [英] Is there a newer approach to Spring AOP and mockito?

问题描述

我使用 Spring AOP 方面无法使用 Mockito.此线程已超过 6 年.

I have managed to solve a problem with Spring-boot aop and mocking test services using an approach detailed in Spring AOP Aspect not working using Mockito. This thread is over 6 years old.

有没有更新的方法?

编辑从我的具体实现中添加更多细节.

EDIT adding more detail from my specific implementation.

控制器:

@RestController
public class EndpointController {

    private EndpointService endpointService;

    @Autowired    
    public EndpointController(EndpointService endpointService) {
        this.endpointService = endpointService;
    }

    @PostMapping(path = "/endpoint", consumes = MediaType.APPLICATION_JSON_VALUE, produces = MediaType.APPLICATION_JSON_VALUE)
    private @ResponseBody EndpointResponse doSomething(//... //, @RequestBody SomeObject someObject) throws Exception {
        return endpointService.doSomething(someObject);
    }
}

在我的测试课上，我有:

In my test class, I have:

@RunWith(SpringRunner.class)
public class EndpointControllerTest {

    @Autowired
    private MockMvc mockMvc;

    @Test
    public void shouldBeSuccessfulAccessingTheEndpoint() throws Exception {
        SomeObject someObject = new SomeObject(// values //);

        ObjectMapper mapper = new ObjectMapper();
        String payload = mapper.writeValueAsString(someObject);

        mockMvc.perform(post("/endpoint").contentType(MediaType.APPLICTION_JSON).content(payload)).andExpect(status().isOK));
    }
}

它失败并抛出 NullPointerException.调试时，endpointService 始终为空.

It fails and throws a NullPointerException. When debugging, the endpointService is always null.

有什么想法吗?

推荐答案

您现在可以使用注解@MockBean.这是春季测试中某种包装好的模拟.

You can use the annotation @MockBean now. It's some sort of wrapped mockito in spring testing.

@RunWith(SpringRunner.class)
public class ExampleTests {

 @MockBean
 private ExampleService service;

 @Autowired
 private UserOfService userOfService;

 @Test
 public void testUserOfService() {
     given(this.service.greet()).willReturn("Hello");
     String actual = this.userOfService.makeUse();
     assertEquals("Was: Hello", actual);
 }

 @Configuration
 @Import(UserOfService.class) // A @Component injected with ExampleService
 static class Config {
 }

}

https://docs.spring.io/spring-boot/docs/current/api/org/springframework/boot/test/mock/mockito/MockBean.html

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