junit单元测试dao,junit单元测试怎么写

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.SpringJUnit4ClassRunner;import java.util.Calendar;import java.util.Date;/** * Created by asus1 on 2018/6/11. */@RunWith(SpringJUnit4ClassRunner.class)@SpringBootTest(classes={ProductServerApplication.class,ProductTest.class})public class ProductTest { @Autowired private ProductService p; @Test public void testProdecutAdd() { ProductDtoRequest productDtoRequest = new ProductDtoRequest(); ProductDto pdto = new ProductDto(); Calendar c = Calendar.getInstance(); c.setTime(date); for (int i = 0; i < 20; i++) { c.add(Calendar.DAY_OF_MONTH,1); pdto.setTradingtTimeEnd(c.getTime()); pdto.setProductName("测试产品"+System.currentTimeMillis()); productDtoRequest.setProductDto(pdto); try { Boolean aBoolean = p.addProduct(productDtoRequest); System.out.println(aBoolean); } catch (Exception e) { e.printStackTrace(); } } }maven 引入<dependency> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-test</artifactId></dependency>