Junit加载Spring容器作单元测试_添加事务回滚

 package com.pyy.sell.dao;   import com.pyy.sell.po.ProductCategory; import org.junit.Assert; import org.junit.Test; import org.junit.runner.RunWith; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.boot.test.context.SpringBootTest; import org.springframework.test.context.junit4.SpringRunner; import org.springframework.transaction.annotation.Transactional;   /**  * 类目  * Created by pyy  * 2017年12月21日16:07:52  */ @RunWith(SpringRunner.class) @SpringBootTest  @Transactional // 默认rollback=true public class ProductCategoryDaoTest {      @Autowired     private ProductCategoryDao productCategoryDao;      @Test     public void saveTest(){         ProductCategory productCategory = new ProductCategory();         productCategory.setCategoryName("热销产品");         productCategory.setCategoryType(1);         productCategoryDao.save(productCategory);     }     @Test     public void updateTest(){         ProductCategory productCategory = productCategoryDao.findOne(1);         productCategory.setCategoryId(1);         productCategory.setCategoryName("热销产品2");         productCategory.setCategoryType(1);         ProductCategory result = productCategoryDao.save(productCategory);          Assert.assertNotNull(result);     }      @Test     public void findByTest(){         ProductCategory productCategory = productCategoryDao.findOne(1);         Assert.assertNotNull(productCategory);     } }