Java tutorial
/* * The MIT License (MIT) * * Copyright (c) 2014-2016 abel533@gmail.com * * Permission is hereby granted, free of charge, to any person obtaining a copy * of this software and associated documentation files (the "Software"), to deal * in the Software without restriction, including without limitation the rights * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell * copies of the Software, and to permit persons to whom the Software is * furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included in * all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN * THE SOFTWARE. */ package com.quancheng.mybatis.mapper.test.country; import com.quancheng.mybatis.mapper.model.Country; import org.apache.ibatis.session.SqlSession; import org.junit.Assert; import org.junit.Test; import com.quancheng.mybatis.mapper.mapper.CountryMapper; import com.quancheng.mybatis.mapper.mapper.MybatisHelper; /** * PK * * @author liuzh */ public class TestUpdateByPrimaryKey { /** * 0 */ @Test public void testDynamicUpdateByPrimaryKeyAll() { SqlSession sqlSession = MybatisHelper.getSqlSession(); try { CountryMapper mapper = sqlSession.getMapper(CountryMapper.class); Assert.assertEquals(0, mapper.updateByPrimaryKey(new Country())); } finally { sqlSession.close(); } } /** * ?null */ @Test public void testDynamicUpdateByPrimaryKeyAllByNull() { SqlSession sqlSession = MybatisHelper.getSqlSession(); try { CountryMapper mapper = sqlSession.getMapper(CountryMapper.class); mapper.updateByPrimaryKey(null); } finally { sqlSession.close(); } } /** * ?? */ @Test public void testDynamicUpdateByPrimaryKey() { SqlSession sqlSession = MybatisHelper.getSqlSession(); try { CountryMapper mapper = sqlSession.getMapper(CountryMapper.class); Country country = new Country(); country.setId(174); country.setCountryname(null); country.setCountryname(""); Assert.assertEquals(1, mapper.updateByPrimaryKey(country)); country = mapper.selectByPrimaryKey(174); Assert.assertNotNull(country); Assert.assertEquals(174, (int) country.getId()); Assert.assertEquals("", country.getCountryname()); Assert.assertNull(country.getCountrycode()); } finally { sqlSession.close(); } } /** * ?,? */ @Test public void testDynamicUpdateByPrimaryKeyNotFoundKeyProperties() { SqlSession sqlSession = MybatisHelper.getSqlSession(); try { CountryMapper mapper = sqlSession.getMapper(CountryMapper.class); Assert.assertEquals(0, mapper.updateByPrimaryKey(new Key())); Key key = new Key(); key.setId(174); key.setCountrycode("CN"); key.setCountrytel("+86"); Assert.assertEquals(1, mapper.updateByPrimaryKey(key)); } finally { sqlSession.close(); } } class Key extends Country { private String countrytel; public String getCountrytel() { return countrytel; } public void setCountrytel(String countrytel) { this.countrytel = countrytel; } } }