Spring TestNG集成测试,注入带有注释的DAO失败

我首先没有提到这个问题的关键组成部分：我在这里使用TestNG.

我有一个执行持久性的DAO层.它作为我的小网络应用程序的一部分工作得很好(我有一个经典的控制器,服务,DAO层设计).如果需要,我可以使用我的XML更新此问题.

我的服务层

@Service
public class UserServiceImpl implements UserService {

    @Autowired
    private UserDao userDao;

    @Override
    public GoodVibeUserDetails getUser(String username) throws UsernameNotFoundException {

        GoodVibeUserDetails user = userDao.getDetailsRolesAndImagesForUser(username);

        return user;
    }

    // more methods...

}

我的DAO层

@Repository
public class UserDaoImplHibernate implements UserDao {

    @Autowired
    private SessionFactory sessionFactory;

    // My methods using sessionFactory & "talking" to the Db via the sessionFactory
}

这是我的测试类

@Component
public class UserDaoImplHibernateTests{

    @Autowired
    private UserDao userDao;

    private GoodVibeUserDetails user; 

    @BeforeMethod
    public void beforeEachMethod() throws ParseException{
        user = new GoodVibeUserDetails();
        user.setUsername("adrien");
        user.setActive(true);
        // & so on...
    }

    /*
     * When everything is fine - test cases
     */
    @Test
    public void shouldAcceptRegistrationAndReturnUserWithId() throws Exception{
        assertNotNull(userDao) ;
        user = userDao.registerUser(user);
        assertNotNull(user.getId()) ;
    }

    // more test cases...

}

但是对于我的测试类Autowiring,userDao总是返回Null,我只是开始在Spring做测试而我有点迷失.任何指针都是受欢迎的.

鲍里斯特鲁霍夫回答后的最新编辑

import ...
import org.junit.runner.RunWith;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.test.context.ContextConfiguration;
import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;
import org.testng.annotations.BeforeMethod;
import org.testng.annotations.Test;
import static org.junit.Assert.assertNotNull;

@RunWith(SpringJUnit4ClassRunner.class)
@ContextConfiguration("/applicationContext.xml")
public class UserDaoImplHibernateTests{

    @Autowired
    @Qualifier("userDao")
    private UserDao userDao;

    private GoodVibeUserDetails user; 

    @BeforeMethod
    public void beforeEachMethod() throws ParseException{
        user = new GoodVibeUserDetails();
        user.setUsername("adrien");
        user.setActive(true);
        // & so on...
    }

    /*
     * When everything is fine - test cases
     */
    @Test
    public void shouldAcceptRegistrationAndReturnUserWithId() throws Exception{
        assertNotNull(userDao) ;
        user = userDao.registerUser(user);
        assertNotNull(user.getId()) ;
    }

    // more test methods...

}

这是我的applicationContext.xml

spring-beans-3.0.xsd 
    http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx.xsd 
    http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-3.0.xsd" >


    
                
                                 
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