spring整合Junit4

Maven依赖：

<dependency>
    <groupId>junit</groupId>
    <artifactId>junit</artifactId>
    <version>4.13.2</version>
</dependency>
<dependency>
    <groupId>org.springframework</groupId>
    <artifactId>spring-test</artifactId>
    <version>5.3.18</version>
</dependency>

示例代码如下：

@RunWith(SpringJUnit4ClassRunner.class)
@ContextConfiguration({"classpath:applicationContext.xml"})
public class DemoTest {
    @Resource
    private ApplicationContext act;
    @Test
    public void fun(){
        Dept dept = (Dept) act.getBean("dept");
        System.out.println(dept);
    }
}