整合Junit

<dependency>
    <groupId>junit</groupId>
    <artifactId>junit</artifactId>
    <version>4.12</version>
    <scope>test</scope>
</dependency>

<dependency>
    <groupId>org.springframework</groupId>
    <artifactId>spring-test</artifactId>
    <version>5.2.10.RELEASE</version>
</dependency>

使用Spring整合Junit专用的类加载器

//AccountServiceTest.java
@RunWith(SpringJUnit4ClassRunner.class)
@ContextConfiguration(classes = SpringConfig.class)
public class AccountServiceTest{

    @Autowired
    private AccountService accountService;

    @Test
    public void testFindById(){
        System.out.println(accountService.findById(2));
    }

    @Test
    public void testFindAll(){
        System.out.println(accountService.findAll());
    }
}