为JPA存储库编写junit

<dependency>
    <groupId>javax.persistence</groupId>
    <artifactId>javax.persistence-api</artifactId>
    <version>2.2</version>
</dependency>

<dependency>
    <groupId>org.hibernate</groupId>
    <artifactId>hibernate-core</artifactId>
    <version>5.4.32.Final</version>
</dependency>

<dependency>
    <groupId>org.springframework.boot</groupId>
    <artifactId>spring-boot-starter-data-jpa</artifactId>
</dependency>

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

@RunWith(SpringRunner.class)
@DataJpaTest
public class UserRepositoryTest {

    @Autowired
    private TestEntityManager entityManager;

    @Autowired
    private UserRepository userRepository;

    // 测试方法...
}

@Test
public void testSaveUser() {
    User user = new User("John Doe", "john@example.com");
    entityManager.persist(user);
    entityManager.flush();

    User savedUser = userRepository.findById(user.getId()).orElse(null);
    assertNotNull(savedUser);
    assertEquals(user.getName(), savedUser.getName());
    assertEquals(user.getEmail(), savedUser.getEmail());
}