spring mvc + junit servlet 单元测试

// spring 版本：4.2.3
// junit 版本：4.12

import org.junit.Test;
import org.junit.runner.RunWith;
import org.springframework.test.context.ContextConfiguration;
import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;
import org.springframework.test.web.servlet.MockMvc;
import org.springframework.test.web.servlet.ResultActions;
import org.springframework.test.web.servlet.ResultMatcher;
import org.springframework.test.web.servlet.request.MockHttpServletRequestBuilder;
import org.springframework.test.web.servlet.request.MockMvcRequestBuilders;
import org.springframework.test.web.servlet.result.MockMvcResultMatchers;
import org.springframework.test.web.servlet.setup.MockMvcBuilders;
import org.springframework.test.web.servlet.setup.StandaloneMockMvcBuilder;

import java.net.URI;

/**
 * @Author [email protected]
 * @Version 0.0.1Ø
 * @Date 2018/9/12 下午7:11
 **/
@RunWith(SpringJUnit4ClassRunner.class)
@ContextConfiguration("/spring-servlet.xml")
public class HomeControllerTest {
    private final String ACTION_NAME_INDEX = "/index";
    private final String VIEW_NAME_INDEX = "home/index";
    @Test
    public void indexTest() throws Exception {

        HomeController controller = new HomeController();
        StandaloneMockMvcBuilder builder = MockMvcBuilders.standaloneSetup(controller);

        MockMvc mvc = builder.build();
        MockHttpServletRequestBuilder requestBuilder = MockMvcRequestBuilders.get(URI.create(ACTION_NAME_INDEX));
        requestBuilder.param("id", "QQ");

        ResultActions actions = mvc.perform(requestBuilder);

        ResultMatcher matcher = MockMvcResultMatchers.view().name(VIEW_NAME_INDEX);
        actions.andExpect(matcher);

        matcher = MockMvcResultMatchers.model().attribute("cfg_name", "MAMA_HAHA");
        actions.andExpect(matcher);

        matcher = MockMvcResultMatchers.model().attribute("id", "QQ");
        actions.andExpect(matcher);

        matcher = MockMvcResultMatchers.request().attribute("req_name", "KAKA_XIYA");
        actions.andExpect(matcher);
    }
}




// home controller

import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestParam;

import javax.servlet.http.HttpServletRequest;

/**
 * @Author [email protected]
 * @Version 0.0.1
 * @Date 2018/9/11 下午6:33
 **/
@Controller
public class HomeController {

    @RequestMapping("/index")
    public String index(Model model, HttpServletRequest request, @RequestParam(name = "id", defaultValue = "") String id){
        model.addAttribute("cfg_name", "MAMA_HAHA");
        request.setAttribute("req_name", "KAKA_XIYA");
        model.addAttribute("id", id);
        return "home/index";
    }
}