SpringBoot单元测试示例2

package cn.coreqi.security.controller;

import org.junit.Before;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.boot.test.autoconfigure.web.servlet.AutoConfigureMockMvc;
import org.springframework.boot.test.context.SpringBootTest;
import org.springframework.http.MediaType;
import org.springframework.test.context.junit4.SpringRunner;
import org.springframework.test.web.servlet.MockMvc;
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.web.context.WebApplicationContext;

@RunWith(SpringRunner.class)    //如何运行测试用例，使用SpringRunner执行测试用例。
@SpringBootTest //指定当前类为测试用例类
@AutoConfigureMockMvc
public class UserControllerTests {
    @Autowired
    private WebApplicationContext wac;

    @Autowired
    private MockMvc mockMvc;

    @Before //@Before标注的方法会在每一个测试用例执行之前执行
    public void setup(){
        mockMvc = MockMvcBuilders.webAppContextSetup(wac).build();
    }

    @Test
    public void whenQuerySuccess() throws Exception {
        //MockMvcRequestBuilders的get方法会模拟发出一个GET请求
        mockMvc.perform(MockMvcRequestBuilders.get("/users")
                .param("usernmae","fanqi")
                .param("size","15")
                .param("page","3")
                .param("sort","id,desc")
                .contentType(MediaType.APPLICATION_JSON_UTF8))
                .andExpect(MockMvcResultMatchers.status().isOk())    //期望服务器端返回的信息
                .andExpect(MockMvcResultMatchers.jsonPath("$.length()").value(3))
                .andReturn().getResponse().getContentAsString();
    }
}