SpringMVC单元测试之MockMVC，模拟登入用户

今天介绍一下springMVC的单元测试，可以参考spring官方文档进行
前提准备，springmvc的demo工程，这里就不做叙述了
pom.xml
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 <dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-core</artifactId>
 </dependency>
 <dependency>
   <groupId>org.springframework</groupId>
   <artifactId>spring-beans</artifactId>
 </dependency>
 <dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-context</artifactId>
 </dependency>
 <dependency>
   <groupId>org.springframework</groupId>
   <artifactId>spring-context-support</artifactId>
 </dependency>
 <dependency>
   <groupId>org.springframework</groupId>
   <artifactId>spring-web</artifactId>
 </dependency>
 <dependency>
   <groupId>org.springframework</groupId>
   <artifactId>spring-webmvc</artifactId>
 </dependency>
 <dependency>
   <groupId>org.springframework</groupId>
   <artifactId>spring-orm</artifactId>
 </dependency>
 <dependency>
   <groupId>org.springframework</groupId>
   <artifactId>spring-tx</artifactId>
 </dependency>
 <dependency>
   <groupId>org.springframework</groupId>
   <artifactId>spring-test</artifactId>
 </dependency>
 <dependency>
   <groupId>junit</groupId>
   <artifactId>junit</artifactId>
 </dependency>  

controller层
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package controller;  

import javax.servlet.http.HttpSession;  

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.bind.annotation.RestController;  

import service.UserService;
import domain.User;  

/**
 * UserController.
 * @author Leon Lee
 */
@RestController
@RequestMapping(value = "user")
public class UserController {  

    /**
     * UserService interface.
     */
    @Autowired
    private UserService userService;  

    /**
     * Get user MSG.
     * @param userId
     * @return user Msg
     */
    @RequestMapping(value = "userMsg/{userId}", method = RequestMethod.GET)
    public User getUserMsg(@PathVariable(value = "userId") String userId) {
        return userService.getUserMsg(userId);
    }  

    /**
     * Update user MSG.
     * @param userId
     * @param userName
     * @return updated user MSG
     */
    @RequestMapping(value = "userMsg/{userId}", method = RequestMethod.PUT)
    public User putUserMsg(@PathVariable(value = "userId") String userId, @RequestParam String userName,HttpSession session){
        if(null == (String)session.getAttribute("loginUser"))
            return new User();
        System.out.println((String)session.getAttribute("loginUser"));
        return userService.putUserMsg(userId, userName);
    }  

    /**
     * Delete user.
     * @param userId
     * @return deleted user MSG
     */
    @RequestMapping(value = "userMsg/{userId}", method = RequestMethod.DELETE)
    public User delUserMsg(@PathVariable(value = "userId") String userId){
        return userService.delUserMsg(userId);
    }  

    /**
     * Add user.
     * @param userName
     * @return added user MSG
     */
    @RequestMapping(value = "userMsg", method = RequestMethod.POST)
    public User postUserMsg(@RequestParam String userName){
        return userService.postUserMsg(userName);
    }  

    /**
     * login User. Note that do not send password as url.
     * @param userId
     * @param password
     * @return
     */
    @RequestMapping(value = "userMsg/{userId}/{password}", method = RequestMethod.GET)
    public boolean loginUser(@PathVariable String userId, @PathVariable String password, HttpSession session){
        if("loginUser".equals(userId)&&"loginUser".equals(password)){
            session.setAttribute("loginUser", userId);
            return true;
        }
        return false;
    }
}  

单元测试类
这里的静态导入比较重要，有时候没办法自动导入的
就是下面的 import static xxx.*

另一点，
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@ContextConfiguration(locations = {"classpath:applicationContext.xml","classpath:applicationContext.mvc.xml"})
代表的是加载的配置文件，可以根据需要进行添加

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package controller.test;  

import static org.springframework.test.web.servlet.setup.MockMvcBuilders.*;
import static org.springframework.test.web.servlet.request.MockMvcRequestBuilders.*;
import static org.springframework.test.web.servlet.result.MockMvcResultHandlers.*;
import static org.springframework.test.web.servlet.result.MockMvcResultMatchers.*;  

import javax.servlet.http.HttpSession;  

import org.junit.Before;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.http.MediaType;
import org.springframework.mock.web.MockHttpSession;
import org.springframework.test.annotation.Rollback;
import org.springframework.test.context.ContextConfiguration;
import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;
import org.springframework.test.context.transaction.TransactionConfiguration;
import org.springframework.test.context.web.WebAppConfiguration;
import org.springframework.test.web.servlet.MockMvc;
import org.springframework.test.web.servlet.MvcResult;
import org.springframework.transaction.annotation.Transactional;
import org.springframework.web.context.WebApplicationContext;  

/**
 * spring mvc Test.
 * @author Leon Lee
 * @since spring-4.1.7
 */
// spring 4.3 change to SpringRunner.class
@RunWith(SpringJUnit4ClassRunner.class)
@WebAppConfiguration
@ContextConfiguration(locations = {"classpath:applicationContext.xml","classpath:applicationContext.mvc.xml"})
// do rollback
@TransactionConfiguration(defaultRollback = true)
@Transactional
public class TestTemplate {
    @Autowired
    private WebApplicationContext wac;  

    private MockMvc mockMvc;
    private MockHttpSession session;  

    @Before
    public void setup() {
        // init applicationContext
        this.mockMvc = webAppContextSetup(this.wac).build();
        this.session = new MockHttpSession();
    }  

    @Test
    public void getUserMsg() throws Exception {
        // get using get
        this.mockMvc
                .perform((get("/user/userMsg/003"))
                        .accept(MediaType.parseMediaType("application/json;charset=UTF-8")))
                .andExpect(status().isOk())
                .andExpect(content().contentType("application/json;charset=UTF-8"))
                .andDo(print()); // print
    }  

    @Test
    // don't rollback
    @Rollback(false)
    public void putUserMsg() throws Exception {
        // update using put
        this.mockMvc
                .perform((put("/user/userMsg/003"))
                        .contentType(MediaType.APPLICATION_FORM_URLENCODED)
                        .param("userName","新名字03号")
                        .session((MockHttpSession)getLoginSession())
                        .accept(MediaType.parseMediaType("application/json;charset=UTF-8"))
                        )
                .andExpect(status().isOk())
                .andExpect(content().contentType("application/json;charset=UTF-8"))
                .andDo(print()); // print
    }  

    @Test
    public void delUser() throws Exception {
        // delete using delete
        this.mockMvc
                .perform((delete("/user/userMsg/004"))
                        .accept(MediaType.parseMediaType("application/json;charset=UTF-8"))
                        )
                .andExpect(status().isOk())
                .andExpect(content().contentType("application/json;charset=UTF-8"))
                .andDo(print()); //print
    }  

    @Test
    // don't rollback
    @Rollback(false)
    public void postUser() throws Exception{
        // add using post
        this.mockMvc
                .perform((post("/user/userMsg"))
                        .param("userName", "最新的用户")
                        .accept(MediaType.parseMediaType("application/json;charset=UTF-8"))
                        )
                .andExpect(status().isOk())
                .andExpect(content().contentType("application/json;charset=UTF-8"))
                .andDo(print()); //print
    }  

    /**
     * 获取登入信息session
     * @return
     * @throws Exception
     */
    private HttpSession getLoginSession() throws Exception{
        // mock request get login session
        // url = /xxx/xxx/{username}/{password}
        MvcResult result = this.mockMvc
                                .perform((get("/user/userMsg/loginUser/loginUser")))
                                .andExpect(status().isOk())
                                .andReturn();
        return result.getRequest().getSession();
    }
}