springboot实战第四章-Spring MVC的测试

Spring MVC的测试

本节主要是进行一些和Spring MVC相关的测试，控制器的测试

测试需要添加的依赖不必说了，已经在第一部分添加完毕，spring-test和junit两个依赖包

1.演示服务DemoService

代码语言：javascript复制

package com.just.springmvc4.service;

import org.springframework.stereotype.Service;

@Service
public class DemoService {

    public String saySomething(){
        return "hello";
    }
}

2.普通控制器

返回一个页面

代码语言：javascript复制

package com.just.springmvc4.controller;

import com.just.springmvc4.service.DemoService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.web.bind.annotation.RequestMapping;

@Controller
public class NormalController {
    @Autowired
    private DemoService demoService;
    @RequestMapping("/normal")
    public String testPage(Model model){
        model.addAttribute("msg",demoService.saySomething());
        return "page";
    }
}

page.jsp文件自己编写

3.RestController控制器

返回字符串

代码语言：javascript复制

package com.just.springmvc4.controller;

import com.just.springmvc4.service.DemoService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;

@RestController
public class MyRestController {
    @Autowired
    private DemoService demoService;
    @RequestMapping(value = "/testRest",produces = "text/plain;charset=utf-8")
    public String testRest(){
        return demoService.saySomething();
    }
}

4.测试用例

在src/test/java下新建一个测试类

代码语言：javascript复制

package com.just.springmvc4;

import com.just.springmvc4.config.MyMvcConfig;
import com.just.springmvc4.service.DemoService;
import org.junit.Before;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.mock.web.MockHttpServletRequest;
import org.springframework.mock.web.MockHttpSession;
import org.springframework.test.context.ContextConfiguration;
import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;
import org.springframework.test.context.web.WebAppConfiguration;
import org.springframework.test.web.servlet.MockMvc;
import org.springframework.test.web.servlet.setup.MockMvcBuilders;
import org.springframework.web.context.WebApplicationContext;

import static org.springframework.test.web.servlet.request.MockMvcRequestBuilders.get;
import static org.springframework.test.web.servlet.result.MockMvcResultMatchers.content;
import static org.springframework.test.web.servlet.result.MockMvcResultMatchers.forwardedUrl;
import static org.springframework.test.web.servlet.result.MockMvcResultMatchers.model;
import static org.springframework.test.web.servlet.result.MockMvcResultMatchers.status;
import static org.springframework.test.web.servlet.result.MockMvcResultMatchers.view;

@RunWith(SpringJUnit4ClassRunner.class)
@ContextConfiguration(classes = {MyMvcConfig.class})
@WebAppConfiguration("src/main/resources")
public class TestControllerIntegration {
    /**
     * 模拟MVC对象
     */
    private MockMvc mockMvc;
    @Autowired
    private DemoService demoService;
    @Autowired
    private WebApplicationContext wac;
    @Autowired
    MockHttpSession session;
    @Autowired
    MockHttpServletRequest request;
    @Before
    public void setUp(){
        this.mockMvc= MockMvcBuilders.webAppContextSetup(this.wac).build();
    }
    @Test
    public void testNormalController() throws Exception {
        mockMvc.perform(get("/normal"))
                .andExpect(status().isOk())
                .andExpect(view().name("page"))
        .andExpect(forwardedUrl("/WEB-INF/classes/views/page.jsp"))
        .andExpect(model().attribute("msg",demoService.saySomething()));
    }
    @Test
    public void testRestController() throws Exception {
        mockMvc.perform(get("/testRest"))
                .andExpect(status().isOk())
                .andExpect(content().contentType("text/plain;charset=utf-8"))
                .andExpect(content().string(demoService.saySomething()));
    }
}

@WebAppConfiguration注解在类上，用来声明加载的ApplicationContext是一个WebApplicationContext，它的属性指定的是资源的位置，默认为webapp，这里修改为本项目真正的资源目录

Others:

处理完这些再来一波编码过滤器，解决恶心的乱码问题，在配置文件中加入CharacterEncodingFilter，在request和response没有设置字符编码方式的时候设置一个编码方式

代码语言：javascript复制

public class WebInitializer implements WebApplicationInitializer{
    @Override
    public void onStartup(ServletContext servletContext) throws ServletException {
        //编码过滤器.控制所有请求
        CharacterEncodingFilter encodingFilter=new CharacterEncodingFilter();
        encodingFilter.setEncoding("UTF-8");
        servletContext.addFilter("CharacterEncodingFilter",encodingFilter)
                .addMappingForUrlPatterns(null,false,"/*");           
        AnnotationConfigWebApplicationContext context=new AnnotationConfigWebApplicationContext();
        context.register(MyMvcConfig.class);
        context.setServletContext(servletContext);
        //注册DispatcherServlet
        ServletRegistration.Dynamic servlet=servletContext.addServlet("dispatcher",new DispatcherServlet(context));
        servlet.addMapping("/");
        servlet.setLoadOnStartup(1);
        servlet.setAsyncSupported(true);  //开启异步方法的支持

    }
}

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