問題描述

我的單元測試中有任何問題，我有類似的東西.如果 blargh 函數使用 Transactional 注釋，則模擬注入會在 someService 上被覆蓋.如果我刪除 Transactional ，則模擬會留在那里.從代碼中可以看出，當服務中的函數被注釋為事務時，Spring 會延遲加載服務，但在沒有注釋時會急切地加載服務.這會覆蓋我注入的模擬.

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.

有沒有更好的方法來做到這一點?

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();
  }
}

推薦答案

或許您可以嘗試通過以下方式實現您的測試:

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() .....
  }
}

由于沒有您的配置和相關代碼，我現在無法嘗試.但這是測試服務邏輯的常用方法之一.

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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