我试图在Spring Boot应用程序中测试我的控制器的方法 . 这是一个后 endpoints ,它在请求中获取一个id,并将此id传递给服务:
@Slf4j
@Controller
public class AdministrationController {
private final AdministrationService administrationService;
@Autowired
public AdministrationController(AdministrationService administrationService) {
this.administrationService = administrationService;
}
@PostMapping("/administration")
public @ResponseBody ResponseEntity<String> deleteByMessageId(String id) {
return new ResponseEntity<>(administrationService.deleteMessageById(id), HttpStatus.OK);
}
}
控制器的这种方法的测试:
RunWith(SpringRunner.class)
@WebMvcTest(AdministrationController.class)
public class AdministrationControllerTest {
@Autowired
private MockMvc mvc;
@MockBean
private AdministrationService service;
@Test
public void
deleteByMessageId_whenCalled_thenServiceMethodIsCalledWithRequestParameters() throws Exception {
Object randomObj = new Object() {
public final String id = "1234";
};
ObjectMapper objectMapper = new ObjectMapper();
String json = objectMapper.writeValueAsString(randomObj);
MvcResult result = mvc.perform(
post("/administration")
.contentType(MediaType.APPLICATION_JSON)
.content(json))
.andExpect(status().isOk())
.andReturn();
verify(service, times(1)).deleteMessageById("1234");
}
}
当我运行此测试时,执行post请求,但是使用空体:
MockHttpServletRequest:
HTTP Method = POST
Request URI = /administration
Parameters = {}
Headers = {Content-Type=[application/json]}
Body = <no character encoding set>
Session Attrs = {}
看来,即使我在测试中设置内容,它也不会出现在我发送的请求中 . 事实上,测试失败了:
Argument(s) are different! Wanted: "1234"
Actual invocation has different arguments: null
我在这里想念的是什么?如何使用MockMvc设置请求正文?
3 回答
尝试使用
.characterEncoding("utf-8"))
:您肯定缺少方法参数的注释 .
应该是这样的:
如果要将其用作请求参数 .
看看Spring MVC documentation here . 当然,编写测试取决于您对此ID的期望 .
另一种选择(受@ stelios-anastasakis回答的启发)是在
Content-Type
Headers 内提供字符编码:请注意,我们在这里使用
MediaType.APPLICATION_JSON_UTF8_VALUE
而不是MediaType.APPLICATION_JSON
.