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自从过去 2 天以来，我试图了解为什么这个简单的测试用例会失败，但无法找到解决方案。

当我运行测试 getAuthors() 它失败了。当我注意到由 mockito 创建的 authorRepo.findAll () 从不调用它时，在 authorservice 内部调用 authorrepo 。正如您在错误中看到的那样，休眠查询是火。

这是我的测试课

@MicronautTest
public class AuthorServiceTest {

    @Inject
    private AuthorService authorService;
    private AuthorRepo authorRepo;


    @Test
    public void getAuthors(){
        authorRepo=Mockito.mock(AuthorRepo.class);
        Author a1=new Author(100,"good","morning");
        Author a2= new Author(101,"welcome","back");
        List<Author>list=new ArrayList<>(); list.add(a1);list.add(a2);
        Mockito.when(authorRepo.findAll()).thenReturn(list);
        Assertions.assertEquals(2,authorService.getallAuthors().size());
    }


}

运行上述测试时产生的错误

10:01:34.846 [Test worker] INFO  c.example.service.AuthorServiceImpl - get all Authors
Hibernate: 
    select
        author0_.id as id1_0_,
        author0_.first_name as first_na2_0_,
        author0_.last_name as last_nam3_0_ 
    from
        author author0_

expected: <2> but was: <0>
Expected :2
Actual   :0
<Click to see difference>

org.opentest4j.AssertionFailedError: expected: <2> but was: <0>
    at org.junit.jupiter.api.AssertionUtils.fail(AssertionUtils.java:55)
    at org.junit.jupiter.api.AssertionUtils.failNotEqual(AssertionUtils.java:62)
    at org.junit.jupiter.api.AssertEquals.assertEquals(AssertEquals.java:150)
    at org.junit.jupiter.api.AssertEquals.assertEquals(AssertEquals.java:145)
    at org.junit.jupiter.api.Assertions.assertEquals(Assertions.java:527)
    at com.example.service.AuthorServiceTest.getAuthors(AuthorServiceTest.java:40)
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
    at

这是我的服务课

public class AuthorServiceImpl implements AuthorService{

    public final AuthorRepo authorRepo;
    private static final Logger logger = LoggerFactory.getLogger(AuthorServiceImpl.class);

    @Inject
    public AuthorServiceImpl(AuthorRepo authorRepo) {
        this.authorRepo = authorRepo;
    }

    @Override
    public List<Author> getallAuthors() {
        logger.info("get all Authors");
        return authorRepo.findAll();
    }
}

最后回购

@Repository
public interface AuthorRepo extends CrudRepository<Author,Integer> {

    //@Query("SELECT a from Author a where a.book= :isbn")
    //public abstract List<Author> findByBook_Isbn(Book isbn);
    Author findById(int author_id);
    List<Author> findAll();
    

}
4

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