package com.alibaba.druid;
import com.alibaba.druid.pool.DruidDataSource;
import com.mchange.v2.c3p0.ComboPooledDataSource;
import org.junit.AfterClass;
import org.junit.Assert;
import org.junit.Before;
import org.junit.BeforeClass;
import org.junit.Test;
import org.nutz.dao.Chain;
import org.nutz.dao.Cnd;
import org.nutz.dao.Dao;
import org.nutz.dao.Sqls;
import org.nutz.dao.impl.NutDao;
import org.nutz.trans.Atom;
import org.nutz.trans.Trans;
import java.beans.PropertyVetoException;
import java.sql.SQLException;
/*
* Copyright 1999-2011 Alibaba Group Holding Ltd.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
public class TestRollBack {
static ComboPooledDataSource c3p0;
static DruidDataSource druid;
static Dao dao_c3p0;
static Dao dao_druid;
// static String url = "jdbc:oracle:thin:@a.b.c.d:1521:ocnauto";
// static String user = "alibaba";
// static String password = "ccbuauto";
// static String driver = "oracle.jdbc.driver.OracleDriver";
static String url = "jdbc:jtds:sqlserver://a.b.c.d:1433/druid_db";
static String user = "sa";
static String password = "hello123";
static String driver = "net.sourceforge.jtds.jdbc.Driver";
// jdbcUrl = "jdbc:oracle:thin:@a.b.c.d:1521:ocnauto";
// user = "alibaba";
// password = "ccbuauto";
@BeforeClass
public static void init() throws PropertyVetoException, SQLException {
c3p0 = new ComboPooledDataSource();
//c3p0.setDriverClass("oracle.jdbc.driver.OracleDriver");
c3p0.setDriverClass(driver);
c3p0.setJdbcUrl(url);
c3p0.setUser(user);
c3p0.setPassword(password);
druid = new DruidDataSource();
druid.setUrl(url);
druid.setUsername(user);
druid.setPassword(password);
druid.setFilters("stat,trace,encoding");
druid.setDefaultAutoCommit(false);
dao_c3p0 = new NutDao(c3p0);
dao_druid = new NutDao(druid);
if (!dao_c3p0.exists("msg")) {
dao_c3p0.execute(Sqls.create("create table msg(message varchar(5))")); // 字段长度5
}
}
@AfterClass
public static void destroy() {
c3p0.close();
druid.close();
}
@Before
public void before() {
// 清空所有数据
dao_c3p0.clear("msg");
}
@Test
public void test_c3p0() {
try {
// 将两条插入语句包裹在一个事务内执行,第一条可以正常插入,第二条超过字段长度,会抛异常,事务会回滚
Trans.exec(new Atom() {
@Override
public void run() {
dao_c3p0.insert("msg", Chain.make("message", "abc"));
dao_c3p0.insert("msg", Chain.make("message", "1234567"));
}
});
} catch (Exception e) {
}
// abc也跟着回滚了
Assert.assertNull(dao_c3p0.fetch("msg", Cnd.where("message", "=", "abc")));
}
@Test
public void test_druid() {
try {
Trans.exec(new Atom() {
@Override
public void run() {
dao_druid.insert("msg", Chain.make("message", "abc"));
dao_druid.insert("msg", Chain.make("message", "1234567"));
}
});
} catch (Exception e) {
// e.printStackTrace(); // 把这里的异常打印出来
}
// abc插了进去,没有回滚
Assert.assertNotNull(dao_druid.fetch("msg", Cnd.where("message", "=", "abc")));
}
}