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Spring Boot 单元测试 @WebMvcTest 对 Controller 进行单独测试

Spring Boot 单元测试 大约 2352 字

需求

只能Controller中的逻辑进行单元测试,Service层不进行测试。

@MockBean

使用@MockBean模拟Service层,给定Service层返回,人为控制Service层的返回值。

@WebMvcTest

需要单元测试的Controller类。指定一个需要测试的Controller类。

Controller 类

@Slf4j
@RestController
public class HiController {

    @Resource
    private HelloService helloService;

    @GetMapping("/hi")
    public Response hiGet(@RequestHeader("token") String token, @RequestParam("username") String username, HttpServletRequest request) {
        log.info("hello token#{}, username#{}, request#{}", token, username, request);
        Response response = helloService.sayHello(1);
        return response;
    }

    @PostMapping("/hi")
    public Response hiPost(@Valid @RequestBody HelloRequest request) {
        log.info("helloPost request#{}", request);
        return Response.builder().msg(request.getCode()).build();
    }

}

单元测试类

@WebMvcTest(HiController.class)
class HiControllerTests {

    @Autowired
    MockMvc mockMvc;

    @MockBean
    HelloService helloService;

    @Test
    @DisplayName("测试 GetMapping 接口")
    void testGetMappingWithMockMvc() throws Exception {
        BDDMockito.given(helloService.sayHello(1))
                .willReturn(Response.builder().msg("response msg").build());

        mockMvc.perform(MockMvcRequestBuilders.get("/hi")
                        .header("token", "test-token")
                        .param("username", "test-username")
                )
                .andExpect(MockMvcResultMatchers.status().isOk())
                .andDo(MockMvcResultHandlers.print())
                .andExpect(MockMvcResultMatchers.content().string(containsString("msg")))
                .andReturn();
    }

    @Test
    @DisplayName("测试 PostMapping 接口")
    void testPostMappingWithMockMvc() throws Exception {
        mockMvc.perform(MockMvcRequestBuilders.post("/hi")
                        .contentType(MediaType.APPLICATION_JSON)
                        .content("{\"code\":\"ddd-d\",\"name\":\"this is name\"}")
                )
                .andExpect(MockMvcResultMatchers.status().isOk())
                .andDo(MockMvcResultHandlers.print())
                .andExpect(MockMvcResultMatchers.jsonPath("code").value(0))
                .andReturn();
    }

}

参考

https://docs.spring.io/spring-boot/docs/current/reference/html/features.html#features.testing.spring-boot-applications.spring-mvc-tests

阅读 1156 · 发布于 2022-10-16

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