Spring Boot 2.X 快速集成单元测试解析

 <dependency>
   <groupId>org.springframework.boot</groupId>
   <artifactId>spring-boot-starter-test</artifactId>
   <scope>test</scope>
  </dependency>

package com.example.helloSpringBoot;
import org.junit.After;
import org.junit.Assert;
import org.junit.Before;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
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.test.context.junit4.SpringRunner;
import org.springframework.test.web.servlet.MockMvc;
import org.springframework.test.web.servlet.MvcResult;
import org.springframework.test.web.servlet.request.MockMvcRequestBuilders;
import org.springframework.test.web.servlet.result.MockMvcResultMatchers;
@RunWith(SpringRunner.class)
@SpringBootTest(classes = {HelloSpringBootApplication.class})
@AutoConfigureMockMvc //测试接口用
public class HelloControllerTest {
 private static final Logger log = LoggerFactory.getLogger(HelloControllerTest.class);
 @Before
 public void testBefore(){
  log.info("测试前");
 }
 @After
 public void testAfter(){
  log.info("测试后");
 }
 @Autowired
 private MockMvc mockMvc;
 /**
  * 测试 /mockTest
  *
  *
  */
 @Test
 public void mockTest()throws Exception{
  MvcResult mvcResult=mockMvc.perform(MockMvcRequestBuilders.get("/mockTest")).
    andExpect(MockMvcResultMatchers.status().isOk()).andReturn();
  int status=mvcResult.getResponse().getStatus();
  //打印出状态码，200就是成功
  log.info("状态码="+status);
  Assert.assertEquals(200,status);
 }
}