Controller层的单元测试

ゝ一世哀愁。 2021-07-24 11:50 476阅读 0赞

**一 代码位置**

[https://gitee.com/cakin24/code/tree/master/07/UnitTestDemo][https_gitee.com_cakin24_code_tree_master_07_UnitTestDemo]

**二 代码**

package com.example.demo.controller;
    
    
    import org.junit.Assert;
    import org.junit.Before;
    import org.junit.Test;
    import org.junit.runner.RunWith;
    import org.springframework.beans.factory.annotation.Autowired;
    import org.springframework.boot.test.autoconfigure.web.servlet.WebMvcTest;
    import org.springframework.boot.test.context.SpringBootTest;
    import org.springframework.http.MediaType;
    import org.springframework.test.context.junit4.SpringRunner;
    import org.springframework.test.context.web.WebAppConfiguration;
    import org.springframework.test.web.servlet.MockMvc;
    import org.springframework.test.web.servlet.MvcResult;
    import org.springframework.test.web.servlet.request.MockMvcRequestBuilders;
    import org.springframework.test.web.servlet.result.MockMvcResultHandlers;
    import org.springframework.test.web.servlet.result.MockMvcResultMatchers;
    import org.springframework.test.web.servlet.setup.MockMvcBuilders;
    import org.springframework.web.context.WebApplicationContext;
    import static org.junit.Assert.*;
    
    @SpringBootTest
    @RunWith(SpringRunner.class)
    public class HelloControllerTest {
        //启用web上下文
        @Autowired
        private WebApplicationContext webApplicationContext;
        private MockMvc mockMvc;
    
    
        @Before
        public void setUp() throws Exception{
            //使用上下文构建mockMvc
            mockMvc = MockMvcBuilders.webAppContextSetup(webApplicationContext).build();
        }
        @Test
        public void hello() throws Exception {
           // 得到MvcResult自定义验证
          // 执行请求
            MvcResult mvcResult= mockMvc.perform(MockMvcRequestBuilders.get("/hello")
            //.post("/hello") 发送post请求
                    .contentType(MediaType.APPLICATION_JSON_UTF8)
                    //传入参数
                    .param("name","longzhonghua")
                   // .accept(MediaType.TEXT_HTML_VALUE))
                    //接收的类型
                    .accept(MediaType.APPLICATION_JSON_UTF8))
                    //等同于Assert.assertEquals(200,status);
                    //判断接收到的状态是否是200
                    .andExpect(MockMvcResultMatchers.status().isOk())
                     //等同于 Assert.assertEquals("hello longzhonghua",content);
                    .andExpect(MockMvcResultMatchers.content().string("hello longzhonghua"))
                    .andDo(MockMvcResultHandlers.print())
            //返回MvcResult
            .andReturn();
            //得到返回代码
            int status=mvcResult.getResponse().getStatus();
            //得到返回结果
            String content=mvcResult.getResponse().getContentAsString();
            //断言，判断返回代码是否正确
            Assert.assertEquals(200,status);
            //断言，判断返回的值是否正确
            Assert.assertEquals("hello longzhonghua",content);
        }
    }

**三 测试**

1 测试通过

2 控制台打印如下

MockHttpServletRequest:
          HTTP Method = GET
          Request URI = /hello
           Parameters = {name=[longzhonghua]}
              Headers = [Content-Type:"application/json;charset=UTF-8", Accept:"application/json;charset=UTF-8"]
                 Body = null
        Session Attrs = {}
    
    Handler:
                 Type = com.example.demo.controller.HelloController
               Method = public java.lang.String com.example.demo.controller.HelloController.hello(java.lang.String)
    
    Async:
        Async started = false
         Async result = null
    
    
    Resolved Exception:
                 Type = null
    
    ModelAndView:
            View name = null
                 View = null
                Model = null
    FlashMap:
           Attributes = null
    
    MockHttpServletResponse:
               Status = 200
        Error message = null
              Headers = [Content-Type:"application/json;charset=UTF-8", Content-Length:"18"]
         Content type = application/json;charset=UTF-8
                 Body = hello longzhonghua
        Forwarded URL = null
       Redirected URL = null
              Cookies = []

[https_gitee.com_cakin24_code_tree_master_07_UnitTestDemo]: https://gitee.com/cakin24/code/tree/master/07/UnitTestDemo