spring mvc 单元测试示例

import java.awt.print.Printable;
import java.io.IOException;  

import javax.servlet.http.HttpServletResponse;  

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.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.ResultHandler;
import org.springframework.test.web.servlet.ResultMatcher;
import org.springframework.ui.Model;
import org.springframework.test.context.transaction.TransactionConfiguration;
import org.springframework.transaction.annotation.Transactional;
import static org.springframework.test.web.servlet.result.MockMvcResultHandlers.*;
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.MockMvcResultMatchers.*;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;
import org.springframework.web.context.WebApplicationContext;  

@RunWith(SpringJUnit4ClassRunner.class)
@WebAppConfiguration
@ContextConfiguration(locations = { "classpath:applicationContext.xml" })
//当然 你可以声明一个事务管理 每个单元测试都进行事务回滚 无论成功与否
@TransactionConfiguration(defaultRollback = true)
//记得要在XML文件中声明事务哦~~~我是采用注解的方式
@Transactional
public class ExampleTests {  

    @Autowired
    private WebApplicationContext wac;  

    private MockMvc mockMvc;  

    @Before
    public void setup() {
        // webAppContextSetup 注意上面的static import
        // webAppContextSetup 构造的WEB容器可以添加fileter 但是不能添加listenCLASS
        // WebApplicationContext context =
        // ContextLoader.getCurrentWebApplicationContext();
        // 如果控制器包含如上方法 则会报空指针
        this.mockMvc = webAppContextSetup(this.wac).build();
    }  

    @Test
        //有些单元测试你不希望回滚
        @Rollback(false)
    public void ownerId() throws Exception {
        mockMvc.perform((get("/spring/rest/4.do"))).andExpect(status().isOk())
                .andDo(print());
    }  

    @Test
    public void test() throws Exception {
        mockMvc.perform((get("/spring/test.do"))).andExpect(status().isOk())
                .andDo(print())
                .andExpect(model().attributeHasNoErrors("teacher"));
    }  

    @Test
    public void testb() throws Exception {
        mockMvc.perform((get("/spring/testb.do"))).andExpect(status().isOk())
                .andDo(print());
    }  

    @Test
    public void getAccount() throws Exception {
        mockMvc.perform((post("/spring/post.do").param("abc", "def")))
                .andExpect(status().isOk()).andDo(print());
    }  

}