问题描述
我是在springboot整合测试的时候报错的
![](https://img-blog.csdnimg.cn/20210503232805645.png?x-oss-process=image/watermark,type_ZmFuZ3poZW5naGVpdGk,shadow_10,text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3dlaXhpbl80NjEwMTgzOQ==,size_16,color_FFFFFF,t_70)
@RunWith(SpringRunner.class)
@SpringBootTest
public class Test01 {
//注入mapper
@Autowired
private CourseMapper courseMapper;
@Test
public void addCourse() {
Course course = courseMapper.selectOne(wrapper);
}
}
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter</artifactId>
</dependency>
解决过程
就是没添加 junit 测试的原因。
![](https://img-blog.csdnimg.cn/20210503233659363.png?x-oss-process=image/watermark,type_ZmFuZ3poZW5naGVpdGk,shadow_10,text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3dlaXhpbl80NjEwMTgzOQ==,size_16,color_FFFFFF,t_70)
![](https://img-blog.csdnimg.cn/20210503233742158.png?x-oss-process=image/watermark,type_ZmFuZ3poZW5naGVpdGk,shadow_10,text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3dlaXhpbl80NjEwMTgzOQ==,size_16,color_FFFFFF,t_70)
![](https://img-blog.csdnimg.cn/20210503233759589.png?x-oss-process=image/watermark,type_ZmFuZ3poZW5naGVpdGk,shadow_10,text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3dlaXhpbl80NjEwMTgzOQ==,size_16,color_FFFFFF,t_70)
![](https://img-blog.csdnimg.cn/20210503233817121.png?x-oss-process=image/watermark,type_ZmFuZ3poZW5naGVpdGk,shadow_10,text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3dlaXhpbl80NjEwMTgzOQ==,size_16,color_FFFFFF,t_70)