controller
package com.example.demo.controller;
import com.example.demo.pojo.User;
import com.example.demo.utils.ResultUtil;
import org.springframework.web.bind.annotation.*;
import java.util.*;
/* *
* Created by Ay on 2018/10/26
*/
@RestController
@RequestMapping("/users")
public class UserController {
//线程安全Map
static Map<Long,User> users = Collections.synchronizedMap(new HashMap<Long,User>());
/**
* /users 的get请求 得到user的列表
* @return
*/
@RequestMapping(value = "/",method = RequestMethod.GET)
public List<User> getUserList(){
return new ArrayList<User>(users.values());
}
/**
* /users 的post请求 增加user
* @param user
* @return
*/
@RequestMapping(value = "/",method = RequestMethod.POST)
public Object postUser(@ModelAttribute User user){
users.put(user.getId(),user);
return "success";
}
/**
* /users/id 取得id并返回查询的user
* @param id 要获取的用户id
* @return
*/
@RequestMapping(value = "/{id}",method = RequestMethod.GET)
public User getUser(@PathVariable Long id){
return users.get(id);
}
/**
* /users/id 更新id的信息
* @param id
* @param user
* @return
*/
@RequestMapping(value = "/{id}",method = RequestMethod.PUT)
public Object putUser(@PathVariable Long id,@ModelAttribute User user){
User u = users.get(id);
u.setName(user.getName());
u.setAge(user.getAge());
return "success";
}
/**
* /users/id 删除user
* @param id
* @return
*/
@RequestMapping(value = "/{id}",method = RequestMethod.DELETE)
public Object deleteUser(@PathVariable Long id){
users.remove(id);
return "success";
}
}
单元测试
package com.example.demo;
import com.example.demo.controller.UserController;
import org.junit.Before;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.springframework.boot.test.context.SpringBootTest;
import org.springframework.test.context.junit4.SpringRunner;
import org.springframework.test.web.servlet.MockMvc;
import org.springframework.test.web.servlet.RequestBuilder;
import org.springframework.test.web.servlet.setup.MockMvcBuilders;
import static org.hamcrest.Matchers.equalTo;
import static org.springframework.test.web.servlet.request.MockMvcRequestBuilders.*;
import static org.springframework.test.web.servlet.result.MockMvcResultMatchers.content;
import static org.springframework.test.web.servlet.result.MockMvcResultMatchers.status;
@RunWith(SpringRunner.class)
@SpringBootTest
public class DemoApplicationTests {
private MockMvc mvc;
@Before
public void setUp(){
mvc = MockMvcBuilders.standaloneSetup(new UserController()).build();
}
@Test
public void contextLoads() throws Exception{
// 测试UserController
RequestBuilder request = null;
// 1、get查一下user列表,应该为空
request = get("/users/");
mvc.perform(request)
.andExpect(status().isOk())
.andExpect(content().string(equalTo("[]")));
// 2、post提交一个user
request = post("/users/")
.param("id", "1")
.param("name", "测试大师")
.param("age", "20");
mvc.perform(request)
.andExpect(content().string(equalTo("{\"errorCode\":0,\"msg\":\"OK\",\"data\":null}")));
// 3、get获取user列表,应该有刚才插入的数据
request = get("/users/");
mvc.perform(request)
.andExpect(status().isOk())
.andExpect(content().string(equalTo("[{\"id\":1,\"name\":\"测试大师\",\"age\":20}]")));
// 4、put修改id为1的user
request = put("/users/1")
.param("name", "测试终极大师")
.param("age", "30");
mvc.perform(request)
.andExpect(content().string(equalTo("success")));
// 5、get一个id为1的user
request = get("/users/1");
mvc.perform(request)
.andExpect(content().string(equalTo("{\"id\":1,\"name\":\"测试终极大师\",\"age\":30}")));
// 6、del删除id为1的user
request = delete("/users/1");
mvc.perform(request)
.andExpect(content().string(equalTo("success")));
// 7、get查一下user列表,应该为空
request = get("/users/");
mvc.perform(request)
.andExpect(status().isOk())
.andExpect(content().string(equalTo("[]")));
}
}