spring mockMVC测试方法GET

Posted 2023-02-27

【中文标题】spring mockMVC测试方法GET

【英文标题】：spring mockMVC testing method GET

【发布时间】：2018-10-22 15:03:01

【问题描述】：

我在 mockMVC 中创建了 post 方法（在 spring boot 项目中） 这是我的方法测试

这是我的方法测试

@Test
public void createAccount() throws Exception 
     AccountDTO accountDTO = new AccountDTO("SAVINGS", "SAVINGS");
     when(addaccountService.findByName("SAVING")).thenReturn(Optional.empty());
     when(addaccountService.createAccount(any())).thenReturn(createdAccountDTO);
    CreatedAccountDTO createdAccountDTO = new CreatedAccountDTO("[e-mail]", "SAVINGS", "1234rds", uuid);

    mockMvc.perform(
             post("/account").contentType(MediaType.APPLICATION_JSON)
              .content(asJsonString(AccountNewDTO)))
            .andExpect(status().isCreated())
            .andExpect(header().string("location", containsString("/account/"+uuid.toString())));
    System.out.println("aaa");

我想写GET方法。

如何在 mock mvc 中编写 get 方法？如何验证我扔的东西是否被退回？

【参考方案1】：

You can try the below for Mockmvc perform get and post methods
For get method

@Autowired
private MuffinRepository muffinRepository;

@Test
public void testgetMethod throws Exception()
    Muffin muffin = new Muffin("Butterscotch");
    muffin.setId(1L);

    BddMockito.given(muffinRepository.findOne(1L)).
        willReturn(muffin);

    mockMvc.perform(MockMvcRequestBuilders.
        get("/muffins/1")).
        andExpect(MockMvcResutMatchers.status().isOk()).
        andExpect(MockMvcResutMatchers.content().string("\"id\":1, "flavor":"Butterscotch""));    


//Test to do post operation
@Test
public void testgetMethod throws Exception()
    Muffin muffin = new Muffin("Butterscotch");
    muffin.setId(1L);

    BddMockito.given(muffinRepository.findOne(1L)).
        willReturn(muffin);

    mockMvc.perform(MockMvcRequestBuilders.
        post("/muffins")
        .content(convertObjectToJsonString(muffin))
        .contentType(MediaType.APPLICATION_JSON)
        .accept(MediaType.APPLICATION_JSON))
        .andExpect(MockMvcResutMatchers.status().isCreated())
        .andExpect(MockMvcResutMatchers.content().json(convertObjectToJsonString(muffin))); 


If the response is empty then make sure to override equals() and hashCode() method on the Entity your repository is working with

//Converts Object to Json String
private String convertObjectToJsonString(Muffin muffin) throws JsonProcessingException
    ObjectWriter writer = new ObjectWriter().writer().withDefaultPrettyPrinter();
    return writer.writeValueAsString(muffin);

【讨论】：

@martine 你可以试试上面的代码sn-p 来做mockmvc的get和post操作

【参考方案2】：

可以使用MockMvcRequestBuilders类的静态get方法，见：https://docs.spring.io/spring-framework/docs/current/javadoc-api/org/springframework/test/web/servlet/request/MockMvcRequestBuilders.html#get-java.lang.String-java.lang.Object...-

例子：

mockMvc.perform(get("/account")).andExpect(...);

如果您在控制器方法中抛出异常，它通常会触发异常处理程序的执行，该处理程序会将异常转换为 HTTP 错误响应。默认情况下，您可以检查响应的状态是否为 500。如果您已经实现了自己的异常处理程序，您可能还需要检查响应正文以验证它是否包含预期的错误数据。

【讨论】：

谢谢，所以我的get测试方法是：@Test public void getAccount()throws Exception AccountDTO accountDTO = new AccountDTO(); AccountDTO.setEmail("[e-mail]"); AccountDTO.setName("SAVINGS"); when(addaccountService.findByName("SAVING")).thenReturn(Optional.empty()); when(addaccountService.createAccount(any())).thenReturn(createdAccountDTO);

CreatedAccountDTO createdAccountDTO = new CreatedAccountDTO("[e-mail]", "SAVINGS", "1234rds", uuid); mockMvc.perform(get("/account").contentType(MediaType.APPLICATION_JSON)) .andExpect(status().isOk()); .content(asJsonString(accountDTO))).andExpect(status().isOk()) .andExpect(header().string("location", containsString("/users/"+uuid.toString()))); ;

java.lang.AssertionError: Status Expected :200 Actual :500 at org.springframework.test.util.AssertionErrors.fail(AssertionErrors.java:55) at org.springframework org.springframework.test.web.servlet.result.StatusResultMatchers.lambda$matcher$9(StatusResultMatchers.java:617) 中的 .test.util.AssertionErrors.assertEquals(AssertionErrors.java:82)。 servlet.MockMvc$1.andExpect(MockMvc.java:179)

我实际上有一个错误。我的测试有什么问题？如何改进？

@Test public void getUser()throws Exception mockMvc.perform( get( "/users" ) ).andExpect( status().isOk() ).andExpect( view().name( “家”））；