尝试测试HTTP POST的处理时HttpMediaTypeNotSupportedException [英] HttpMediaTypeNotSupportedException when trying to test handling of HTTP POST

问题描述

我正在尝试在spring框架中测试 POST 方法但我一直都会遇到错误。

I am trying to test POST method in spring framework but I keep getting errors all the time.

我首先尝试了这个测试：

I first tried this test:

this.mockMvc.perform(post("/rest/tests").
                            param("id", "10").
                            param("width","25")
                            )
                .andDo(MockMvcResultHandlers.print())
                .andExpect(status().isOk());

并收到以下错误：

org.springframework.http.converter.HttpMessageNotReadableException

然后我尝试修改测试如下：

Then I tried to modify the test as below:

this.mockMvc.perform(post("/rest/tests/").
                            content("{\"id\":10,\"width\":1000}"))
                .andDo(MockMvcResultHandlers.print())
                .andExpect(status().isOk());              

但是出现以下错误：

org。 springframework.web.HttpMediaTypeNotSupportedException

我的控制器是：

@Controller
@RequestMapping("/rest/tests")
public class TestController {

    @Autowired
    private ITestService testService;

    @RequestMapping(value="", method=RequestMethod.POST)
    @ResponseStatus(value = HttpStatus.OK)
    public void add(@RequestBody Test test)
    {
        testService.save(test);
    }
}

其中测试 class有两个字段成员： id 和 width 。简而言之，我无法为控制器设置参数。

Where Test class has two field members: id and width. In a few word I am unable to set the parameters for the controller.

设置参数的正确方法是什么？

What's the proper way to set the parameters?

推荐答案

您应该在帖子请求中添加内容类型 MediaType.APPLICATION_JSON ，例如

You should add a content type MediaType.APPLICATION_JSON to the post request, e.g.

this.mockMvc.perform(post("/rest/tests/")
                .contentType(MediaType.APPLICATION_JSON)
                .content("{\"id\":10,\"width\":1000}"))
                .andDo(MockMvcResultHandlers.print())
                .andExpect(status().isOk()); 

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