69

我有以下简单的控制器来捕获任何意外异常：

@ControllerAdvice
public class ExceptionController {

    @ExceptionHandler(Throwable.class)
    @ResponseStatus(value = HttpStatus.INTERNAL_SERVER_ERROR)
    @ResponseBody
    public ResponseEntity handleException(Throwable ex) {
        return ResponseEntityFactory.internalServerErrorResponse("Unexpected error has occurred.", ex);
    }
}

我正在尝试使用 Spring MVC 测试框架编写集成测试。这是我到目前为止所拥有的：

@RunWith(MockitoJUnitRunner.class)
public class ExceptionControllerTest {
    private MockMvc mockMvc;

    @Mock
    private StatusController statusController;

    @Before
    public void setup() {
        this.mockMvc = MockMvcBuilders.standaloneSetup(new ExceptionController(), statusController).build();
    }

    @Test
    public void checkUnexpectedExceptionsAreCaughtAndStatusCode500IsReturnedInResponse() throws Exception {

        when(statusController.checkHealth()).thenThrow(new RuntimeException("Unexpected Exception"));

        mockMvc.perform(get("/api/status"))
                .andDo(print())
                .andExpect(status().isInternalServerError())
                .andExpect(jsonPath("$.error").value("Unexpected Exception"));
    }
}

我在 Spring MVC 基础架构中注册了 ExceptionController 和一个模拟 StatusController。在测试方法中，我设置了从 StatusController 抛出异常的期望。

异常被抛出，但 ExceptionController 没有处理它。

我希望能够测试 ExceptionController 是否获得异常并返回适当的响应。

关于为什么这不起作用以及我应该如何进行这种测试的任何想法？

谢谢。

4

6 回答 6

91

我刚刚遇到了同样的问题，以下对我有用：

@Before
public void setup() {
    this.mockMvc = MockMvcBuilders.standaloneSetup(statusController)
         .setControllerAdvice(new ExceptionController())
        .build();
}
于 2015-10-23T20:55:17.247 回答
4

此代码将添加使用您的异常控制建议的能力。

@Before
public void setup() {
    this.mockMvc = standaloneSetup(commandsController)
        .setHandlerExceptionResolvers(withExceptionControllerAdvice())
        .setMessageConverters(new MappingJackson2HttpMessageConverter()).build();
}

private ExceptionHandlerExceptionResolver withExceptionControllerAdvice() {
    final ExceptionHandlerExceptionResolver exceptionResolver = new ExceptionHandlerExceptionResolver() {
        @Override
        protected ServletInvocableHandlerMethod getExceptionHandlerMethod(final HandlerMethod handlerMethod,
            final Exception exception) {
            Method method = new ExceptionHandlerMethodResolver(ExceptionController.class).resolveMethod(exception);
            if (method != null) {
                return new ServletInvocableHandlerMethod(new ExceptionController(), method);
            }
            return super.getExceptionHandlerMethod(handlerMethod, exception);
        }
    };
    exceptionResolver.afterPropertiesSet();
    return exceptionResolver;
}
于 2014-11-28T20:11:48.460 回答
2

由于您使用的是独立设置测试，因此您需要手动提供异常处理程序。

mockMvc= MockMvcBuilders.standaloneSetup(adminCategoryController).setSingleView(view)
        .setHandlerExceptionResolvers(getSimpleMappingExceptionResolver()).build();

几天前我遇到了同样的问题，你可以在这里看到我自己回答的问题和解决方案Spring MVC Controller Exception Test

希望我的回答能帮到你

于 2013-08-22T00:58:51.203 回答
0

使用 Spring MockMVC 模拟 servletContainer 到可以将任何请求过滤或异常处理测试合并到单元测试套件中的程度。

您可以使用以下方法配置此设置：

给定一个自定义 RecordNotFound 异常...

@ResponseStatus(value=HttpStatus.NOT_FOUND, reason="Record not found") //
public class RecordNotFoundException extends RuntimeException {

    private static final long serialVersionUID = 8857378116992711720L;

    public RecordNotFoundException() {
        super();
    }

    public RecordNotFoundException(String message) {
        super(message);
    }
}

...和一个 RecordNotFoundExceptionHandler

@Slf4j
@ControllerAdvice
public class BusinessExceptionHandler {

    @ExceptionHandler(value = RecordNotFoundException.class)
    public ResponseEntity<String> handleRecordNotFoundException(
            RecordNotFoundException e,
            WebRequest request) {
         //Logs
        LogError logging = new LogError("RecordNotFoundException",
                HttpStatus.NOT_FOUND, 
                request.getDescription(true));
        log.info(logging.toJson());

        //Http error message
        HttpErrorResponse response = new HttpErrorResponse(logging.getStatus(), e.getMessage());
        return new ResponseEntity<>(response.toJson(),
                HeaderFactory.getErrorHeaders(),
                response.getStatus());
    }
   ...
}

配置定制的测试上下文：设置 @ContextConfiguration 来指定测试所需的类。将 Mockito MockMvc 设置为 servlet 容器模拟器并设置您的测试夹具和依赖项。

 @RunWith(SpringRunner.class)
@ContextConfiguration(classes = {
    WebConfig.class,
    HeaderFactory.class,
})
@Slf4j
public class OrganisationCtrlTest {

    private MockMvc mvc;

    private Organisation coorg;

    @MockBean
    private OrganisationSvc service;

    @InjectMocks
    private OrganisationCtrl controller = new OrganisationCtrl();

    //Constructor
    public OrganisationCtrlTest() {
    }
   ....

配置模拟 MVC “servlet 模拟器”：在上下文中注册处理程序 bean 并构建 mockMvc 模拟器（注意：有两种可能的配置：standaloneSetup 或 webAppContextSetup；请参阅文档）。构建器正确地实现了构建器模式，因此您可以在调用 build() 之前链接异常解析器和处理程序的配置命令。

    @Before
    public void setUp() {
        final StaticApplicationContext appContext = new StaticApplicationContext();
        appContext.registerBeanDefinition("BusinessExceptionHandler",
                new RootBeanDefinition(BusinessExceptionHandler.class, null, null));

//InternalExceptionHandler extends ResponseEntityExceptionHandler to //handle Spring internally throwned exception
        appContext.registerBeanDefinition("InternalExceptionHandler",
                new RootBeanDefinition(InternalExceptionHandler.class, null,
                        null));
        MockitoAnnotations.initMocks(this);
        mvc = MockMvcBuilders.standaloneSetup(controller)
                .setHandlerExceptionResolvers(getExceptionResolver(appContext))
                .build();
        coorg = OrganisationFixture.getFixture("orgID", "name", "webSiteUrl");
    }
    ....

获取异常解析器

private ExceptionHandlerExceptionResolver getExceptionResolver(
        StaticApplicationContext context) {
    ExceptionHandlerExceptionResolver resolver = new ExceptionHandlerExceptionResolver();
    resolver.getMessageConverters().add(
            new MappingJackson2HttpMessageConverter());
    resolver.setApplicationContext(context);
    resolver.afterPropertiesSet();
    return resolver;
}

运行你的测试

    @Test
    public void testGetSingleOrganisationRecordAnd404() throws Exception {
        System.out.println("testGetSingleOrganisationRecordAndSuccess");
        String request = "/orgs/{id}";
        log.info("Request URL: " + request);

        when(service.getOrganisation(anyString())).
                thenReturn(coorg);
        this.mvc.perform(get(request)
                .accept("application/json")
                .andExpect(content().contentType(
                        .APPLICATION_JSON))
                .andExpect(status().notFound())
                .andDo(print());
    }
    ....
}

希望这可以帮助。

杰克。

于 2018-05-15T22:30:16.990 回答
-1

这个更好：

((HandlerExceptionResolverComposite) wac.getBean("handlerExceptionResolver")).getExceptionResolvers().get(0)

并且不要忘记在 @Configuration 类中扫描 @ControllerAdvice bean：

@ComponentScan(basePackages = {"com.company.exception"})

...在 Spring 4.0.2.RELEASE 上测试

于 2016-02-23T07:05:03.173 回答
-2

试试看;

@RunWith(value = SpringJUnit4ClassRunner.class)
@WebAppConfiguration
@ContextConfiguration(classes = { MVCConfig.class, CoreConfig.class, 
        PopulaterConfiguration.class })
public class ExceptionControllerTest {

    private MockMvc mockMvc;

    @Mock
    private StatusController statusController;

    @Autowired
    private WebApplicationContext wac;

    @Before
    public void setup() {
        this.mockMvc = MockMvcBuilders.webAppContextSetup(this.wac).build();
    }

    @Test
    public void checkUnexpectedExceptionsAreCaughtAndStatusCode500IsReturnedInResponse() throws Exception {

        when(statusController.checkHealth()).thenThrow(new RuntimeException("Unexpected Exception"));

        mockMvc.perform(get("/api/status"))
                .andDo(print())
                .andExpect(status().isInternalServerError())
                .andExpect(jsonPath("$.error").value("Unexpected Exception"));
    }
}
于 2014-02-05T21:23:46.350 回答