How to check JSON in response body with mockMvc

拥有回忆 提交于 2019-11-30 16:50:29

I use TestNG for my unit testing. But in Spring Test Framework they both looks similar. So I believe your test be like below

@Test
public void testAlertFilterView() throws Exception {
    this.mockMvc.perform(get("/getServerAlertFilters/v2v2v2/").
            .andExpect(status().isOk())
            .andExpect(content().json("{'data':[{'useRegEx':'false','hosts':'v2v2v2'}]}"));
    }

If you want check check json Key and value you can use jsonpath .andExpect(jsonPath("$.yourKeyValue", is("WhatYouExpect")));

You might find thatcontent().json() are not solveble please add

import static org.springframework.test.web.servlet.result.MockMvcResultMatchers.*;

medvedev1088

The 406 Not Acceptable status code means that Spring couldn't convert the object to json. You can either make your controller method return a String and do return json.toString(); or configure your own HandlerMethodReturnValueHandler. Check this similar question Returning JsonObject using @ResponseBody in SpringMVC

Nagaraj

You can try the below for get and post methods

@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() methods 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);
}
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