java – Mockito抛出UnfinishedVerificationException(可能与本机方法调用有关)

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运行测试用例时,我有以下异常：

  1. org.mockito.exceptions.misusing.UnfinishedVerificationException: 
  2. Missing method call for verify(mock) here:
  3. -> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
  5. Example of correct verification:
  6.     verify(mock).doSomething()
  8. Also,this error might show up because you verify either of: final/private/equals()/hashCode() methods.
  9. Those methods *cannot* be stubbed/verified.
  11.     at com.bignibouX.tests.repository.member.MemberCachingIntegrationTest.testFindByEmail(MemberCachingIntegrationTest.java:61)
  12.     at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
  13.     at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
  14.     at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
  15.     at java.lang.reflect.Method.invoke(Method.java:606)
  16.     at org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:47)
  17.     at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)
  18.     at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:44)
  19.     at org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:17)
  20.     at org.springframework.test.context.junit4.statements.RunBeforeTestMethodCallbacks.evaluate(RunBeforeTestMethodCallbacks.java:72)
  21.     at org.junit.internal.runners.statements.RunAfters.evaluate(RunAfters.java:27)
  22.     at org.springframework.test.context.junit4.statements.RunAfterTestMethodCallbacks.evaluate(RunAfterTestMethodCallbacks.java:81)
  23.     at org.springframework.test.context.junit4.statements.SpringRepeat.evaluate(SpringRepeat.java:72)
  24.     at org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:271)
  25.     at org.springframework.test.context.junit4.SpringJUnit4ClassRunner.runChild(SpringJUnit4ClassRunner.java:215)
  26.     at org.springframework.test.context.junit4.SpringJUnit4ClassRunner.runChild(SpringJUnit4ClassRunner.java:81)
  27.     at org.junit.runners.ParentRunner$3.run(ParentRunner.java:238)
  28.     at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:63)
  29.     at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:236)
  30.     at org.junit.runners.ParentRunner.access$000(ParentRunner.java:53)
  31.     at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:229)
  32.     at org.springframework.test.context.junit4.statements.RunBeforeTestClassCallbacks.evaluate(RunBeforeTestClassCallbacks.java:60)
  33.     at org.springframework.test.context.junit4.statements.RunAfterTestClassCallbacks.evaluate(RunAfterTestClassCallbacks.java:67)
  34.     at org.junit.runners.ParentRunner.run(ParentRunner.java:309)
  35.     at org.springframework.test.context.junit4.SpringJUnit4ClassRunner.run(SpringJUnit4ClassRunner.java:161)
  36.     at org.eclipse.jdt.internal.junit4.runner.JUnit4TestReference.run(JUnit4TestReference.java:50)
  37.     at org.eclipse.jdt.internal.junit.runner.TestExecution.run(TestExecution.java:38)
  38.     at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:467)
  39.     at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:683)
  40.     at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.run(RemoteTestRunner.java:390)
  41.     at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.main(RemoteTestRunner.java:197)

测试用例有两个测试,如下所示：

  1. @ActiveProfiles(Profiles.TEST)
  2. @RunWith(SpringJUnit4ClassRunner.class)
  3. @ContextConfiguration(classes = { FullIntegrationTestConfiguration.class,BaseTestConfiguration.class,MemberCachingIntegrationTest.Config.class })
  4. public class MemberCachingIntegrationTest {
  6.     private static final Member MEMBER_ONE = new Member();
  7.     private static final Member MEMBER_TWO = new Member();
  9.     @Autowired
  10.     private MemberRepository memberRepositoryMock;
  12.     @After
  13.     public void validate() {
  14.         validateMockitoUsage();
  15.     }
  17.     @Test
  18.     public void testFindByEmail() {
  19.         when(memberRepositoryMock.findByEmail(anyString())).thenReturn(MEMBER_ONE,MEMBER_TWO);
  21.         Member firstInvocation = memberRepositoryMock.findByEmail("foo@foo.com");
  22.         assertThat(firstInvocation,is(MEMBER_ONE));
  24.         Member secondInvocation = memberRepositoryMock.findByEmail("foo@foo.com");
  25.         assertThat(secondInvocation,is(MEMBER_ONE));
  27.         verify(memberRepositoryMock,times(1)).findByEmail("foo@foo.com");
  29.         Member thirdInvocation = memberRepositoryMock.findByEmail("bar@bar.com");
  30.         assertThat(thirdInvocation,is(MEMBER_TWO));
  32.         verify(memberRepositoryMock,times(1)).findByEmail("bar@bar.com");
  33.     }
  35.     @Test
  36.     public void passingInexistentEmailToSendPasswordResetShouldNotCauseNPE() {
  37.         fail("MemberRepository's findByEmail throws NPE if email not found in db! Reason: because cache was set up not to allow null values...");
  38.         fail("Appropriate error page not displayed when above NPE is thrown!");
  39.     }
  41.     @Profile(Profiles.TEST)
  42.     @Configuration
  43.     static class Config {
  45.         @Bean
  46.         public MemberRepository memberRepositoryMock() {
  47.             return mock(MemberRepository.class);
  48.         }
  49.     }
  50. }

我的问题是双重的：

>我不确定这里调用了什么：sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)…它与反射和本机方法有关但在我的情况下是哪种本机方法？
>我的Mockito用法出了什么问题？

编辑：

  1. @RooJpaRepository(domainType = Member.class)
  2. public interface MemberRepository {
  4.     @Cacheable(value = CacheConfiguration.DATABASE_CACHE_NAME)
  5.     Member findByEmail(String email);
  7.     @Cacheable(CacheConfiguration.DATABASE_CACHE_NAME)
  8.     Member findByToken(String token);
  10.     @CacheEvict(value = CacheConfiguration.DATABASE_CACHE_NAME,key = "#result.email")
  11.

编辑2：

我已经调试了测试并包含了屏幕截图,这似乎证实了macias所说的：

  1. org.springframework.aop.framework.ProxyFactory: 2 interfaces [com.bignibou.repository.member.MemberRepository,org.mockito.cglib.proxy.Factory]; 1 advisors [org.springframework.cache.interceptor.beanfactoryCacheOperationSourceAdvisor: advice bean 'null']; targetSource [SingletonTargetSource for target object [com.bignibou.repository.member.MemberRepository$$EnhancerByMockitoWithCGLIB$$1b543cbe@4cca9ed4]]; proxyTargetClass=false; optimize=false; opaque=false; exposeProxy=false; frozen=false

编辑3：另一件需要考虑的事情：如果我删除或注释掉测试中的最后一行和拆除方法,即

  1. verify(memberRepositoryMock,times(1)).findByEmail("bar@bar.com");

和

  1. @After
  2. public void validate() {
  3.         validateMockitoUsage();
  4. }

测试通过没有问题….

编辑4：我实际上拼命地尝试调整以下示例：https://stackoverflow.com/a/24229350/536299在另一篇文章中给我.人们注意到模拟是自动装配的,测试确实使用了弹簧上下文.有人可以帮我测试一下吗？

最佳答案
sun.reflect.NativeMethodAccessorImpl.invoke0(本机方法) – 根据您提供的堆栈跟踪,mockito在报告错误时有点困惑.它与你的问题没有多大关系,但无论如何都是本机的NativeMethodAccessorImpl.invoke0(见grep code). SpringJUnit4ClassRunner运行它,它是如何工作的,你应该关心什么.

现在关于你真正的问题,就像我在评论中写的那样,这是因为Spring将模拟对象包装成代理.如果你添加

  1. System.out.println(memberRepositoryMock.getClass());

你会在控制台中看到它不是模拟,而是一些代理. Mockito只能发短信,这就是你收到错误的原因.

问题可能是现在,如何解决这个问题.首先,您的测试实际上不是集成测试,因为您试图模拟存储库而不是真正测试数据访问的行为方式.在这种情况下,我将退出使用弹簧测试,只需简单的MockitoJUnitRunner.

更新：

好的,现在知道它实际上是要测试的缓存,我知道您需要使用Spring缓存修改模拟的存储库,并且您的测试确实是一个集成测试.

这是如何做到的.提到frant.hartm proposal的一点变化,但没有使用静态参考.我觉得有点自然.

  1. @ActiveProfiles(Profiles.TEST)
  2. @RunWith(SpringJUnit4ClassRunner.class)
  3. @ContextConfiguration(classes = { FullIntegrationTestConfiguration.class,MemberCachingIntegrationTest.Config.class })
  4. public class MemberCachingIntegrationTest {
  6.     @Autowired
  7.     private MemberRepository cachedRepository;
  9.     @Autowired
  10.     private MockProvider mockProvider;
  12.     @After
  13.     public void validate() {
  14.         validateMockitoUsage();
  15.     }
  17.     @Test
  18.     public void test() {
  19.         when(mockProvider.get().findByEmail(anyString())).thenReturn("foo","bar");
  21.         String firstInvocation = cachedRepository.findByEmail("foo@foo.com");
  22.         assertThat(firstInvocation,is("foo"));
  24.         String secondInvocation = cachedRepository.findByEmail("foo@foo.com");
  25.         assertThat(secondInvocation,is("foo"));
  27.         verify(mockProvider.get(),times(1)).findByEmail("foo@foo.com");
  29.         String thirdInvocation = cachedRepository.findByEmail("bar@bar.com");
  30.         assertThat(thirdInvocation,is("bar"));
  32.         verify(mockProvider.get(),times(1)).findByEmail("bar@bar.com");
  33.     }
  35.     @Configuration
  36.     static class Config {
  38.         private MemberRepository mockRepository = mock(MemberRepository.class);
  40.         @Bean
  41.         public MemberRepository cachedRepository() {
  42.             return mockRepository;
  43.         }
  45.         @Bean
  46.         public MockProvider mockProvider() {
  47.             return new MockProvider(mockRepository);
  48.         }
  50.     }
  52.     public static class MockProvider {
  54.         private final MemberRepository repository;
  56.         public MockProvider(MemberRepository repository) {
  57.             this.repository = repository;
  58.         }
  60.         public MemberRepository get() {
  61.             return this.repository;
  62.         }
  64.     }
  65. }

注意：存储库返回字符串而不是成员,以获得更清晰的示例

javajava

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