如何将模拟注入具有@Transactional 的@Service

问题描述

我的单元测试中有任何问题，我有类似的东西.如果 blargh 函数使用 Transactional 注释，则模拟注入会在 someService 上被覆盖.如果我删除 Transactional ，则模拟会留在那里.从代码中可以看出，当服务中的函数被注释为事务时，Spring 会延迟加载服务，但在没有注释时会急切地加载服务.这会覆盖我注入的模拟.

I have any issue in my unit test where I have something along the lines of this. The mock injection get overridden on the someService if the blargh function is annotated with Transactional. If I remove the Transactional the mock stays there. From watching the code it appears that Spring lazily loads the services when a function in the service is annotated with transactinal, but eagerly loads the services when it isn't. This overrides the mock I injected.

有没有更好的方法来做到这一点?

Is there a better way to do this?

@Component
public class SomeTests
{
  @Autowired
  private SomeService someService;

  @Test
  @Transactional
  public void test(){
    FooBar fooBarMock = mock(FooBar.class);
    ReflectionTestUtils.setField(someService, "fooBar", fooBarMock);
  }
}

@Service
public class someService
{
  @Autowired FooBar foobar;

  @Transactional // <-- this causes the mocked item to be overridden
  public void blargh()
  {
    fooBar.doStuff();
  }
}

推荐答案

或许您可以尝试通过以下方式实现您的测试:

Probably you could try to implement your test in the following way:

@Component
@RunWith(MockitoJUnitRunner.class)
public class SomeTests
{
  @Mock private FooBar foobar;
  @InjectMocks private final SomeService someService = new SomeService();


  @Test
  @Transactional
  public void test(){
    when(fooBar.doStuff()).then....;
    someService.blargh() .....
  }
}

由于没有您的配置和相关代码，我现在无法尝试.但这是测试服务逻辑的常用方法之一.

I could not try it right now as don't have your config and related code. But this is one of the common way to test the service logic.

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