SpringBoot2 +网络流量- WebTestClient返回“尚未提供的内容”

Question

我试图编写一些测试，当我尝试post字节数组主体时，我将面临以下异常：

错误

java.lang.AssertionError: Status expected:<201> but was:<404>

> POST /api/foo
> WebTestClient-Request-Id: [1]
> Content-Length: [246444]

Content not available yet

< 404 Not Found
< 

Content not available yet

我的测试类如下：

@AutoConfigureWebTestClient
@RunWith(SpringRunner.class)
@FixMethodOrder(NAME_ASCENDING)
@SpringBootTest(classes = Application.class)
public class ControllerTest {

  @Inject
  protected WebTestClient webClient;

  @Test
  public void testPostFile() throws Exception {

    byte[] bytes;

    try (InputStream is = getClass().getClassLoader().getResourceAsStream("static/binary-file.docx")) {
      bytes = IOUtils.toByteArray(is);
    }

    webClient
      .post()
      .uri("/api/foo")
      .body(BodyInserters.fromResource(new ByteArrayResource(bytes))))
      .exchange()
      .expectStatus().isCreated();

  }

}

是否有人面临同样的问题，似乎无法正确地加载资源。

编辑：

我的应用程序引导类

@EnableWebFlux
@Configuration
@ComponentScan(basePackageClasses = SBApplication.class)
@EnableAutoConfiguration
public class SBApplication {

    /**
     * Spring Boot Main Entry
     *
     * @param args command line arguments
     * @throws Exception on failure
     */
    public static void main(String[] args) throws Exception {

        ConfigurableApplicationContext ctx = new SpringApplicationBuilder()
                .sources(SBApplication.class)
                .run(args);
    }
}

我的控制员班：

@RestController
@RequestMapping("/api")
public class SBController {

  // ...

  @RequestMapping(
    method = POST,
    path = "{name}"
  )
  public Mono<ResponseEntity> store(
            @PathVariable("name") String name,
            @RequestBody byte[] body) {

    // do stuff

    return Mono.just(
      ResponseEntity
          .status(HttpStatus.CREATED)
          .build()
    );

  }

}

Answer 1

最后，问题是我的Controller是通过注释配置的。WebTestClient只能识别通过RouterFunction路由的映射端点。

为了测试带有注释(如我的示例)的Controller，您需要初始化一个@AutoConfigureMockMvc并使用相应的注释@AutoConfigureMockMvc

最后，由于使用了reactor-core，我们需要使用MockMvcRequestBuilders.asyncDispatch，如下所示：

@AutoConfigureMockMvc
@RunWith(SpringRunner.class)
@FixMethodOrder(NAME_ASCENDING)
@SpringBootTest(classes = Application.class)
public class ControllerTest {

  @Inject
  protected MockMvc mockMvc;

  @Test
  public void testPostFile() throws Exception {

    byte[] bytes;

    try (InputStream is = getClass().getClassLoader().getResourceAsStream("static/binary-file.docx")) {
      bytes = IOUtils.toByteArray(is);
    }

    MvcResult result = mockMvc.perform(
                post("/api/foo")
                        .content(bytes)
        )
                .andExpect(request().asyncStarted())
                .andReturn();

        mockMvc.perform(asyncDispatch(result))
                .andExpect(status().isCreated());

  }

}

最后，一切都如期而至！