294. Java Stream API - 对流进行归约
2026/1/16 9:15:46
在分布式微服务系统中,接口稳定性直接决定了用户体验和业务连续性。
本文将系统性介绍 8 种核心测试方法,并额外补充 7 个进阶策略,帮助你从开发到生产,构建一个全面的测试体系,让 Spring Boot 接口稳定性提升 100%+。
@ExtendWith(MockitoExtension.class) class UserServiceTest { @Mock private UserRepository userRepository; @InjectMocks private UserService userService; @Test void shouldCreateUserSuccessfully() { UserCreateRequest request = new UserCreateRequest("test@email.com", "John"); User mockUser = User.builder().id(1L).email("test@email.com").name("John").build(); when(userRepository.save(any(User.class))).thenReturn(mockUser); User result = userService.createUser(request); assertThat(result.getId()).isEqualTo(1L); verify(userRepository, times(1)).save(any(User.class)); } }@DataJpaTest @Testcontainers class UserRepositoryIntegrationTest { @Container static PostgreSQLContainer<?> postgres = new PostgreSQLContainer<>("