/*
* 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.
*/
package com.alibaba.druid.bvt.pool;
import java.sql.Connection;
import java.sql.PreparedStatement;
import org.junit.Assert;
import junit.framework.TestCase;
import com.alibaba.druid.pool.DruidDataSource;
import com.alibaba.druid.pool.DruidPooledPreparedStatement;
import com.alibaba.druid.util.JdbcUtils;
public class PSCacheTest1 extends TestCase {
private DruidDataSource dataSource;
protected void setUp() throws Exception {
dataSource = new DruidDataSource();
dataSource.setUrl("jdbc:mock:x1");
dataSource.setPoolPreparedStatements(true);
dataSource.setMaxOpenPreparedStatements(10);
}
protected void tearDown() throws Exception {
JdbcUtils.close(dataSource);
}
public void test_noTxn() throws Exception {
{
Connection conn = dataSource.getConnection();
String sql = "select 1";
PreparedStatement stmt0 = conn.prepareStatement(sql);
DruidPooledPreparedStatement pooledStmt0 = (DruidPooledPreparedStatement) stmt0;
stmt0.close();
PreparedStatement stmt1 = conn.prepareStatement(sql);
DruidPooledPreparedStatement pooledStmt1 = (DruidPooledPreparedStatement) stmt1;
Assert.assertEquals(1, pooledStmt1.getPreparedStatementHolder().getInUseCount());
Assert.assertSame(pooledStmt1.getPreparedStatementHolder(), pooledStmt0.getPreparedStatementHolder()); // same
PreparedStatement stmt2 = conn.prepareStatement(sql);
DruidPooledPreparedStatement pooledStmt2 = (DruidPooledPreparedStatement) stmt2;
Assert.assertNotSame(pooledStmt1.getPreparedStatementHolder(), pooledStmt2.getPreparedStatementHolder()); // not
// same
conn.close();
}
{
Connection conn = dataSource.getConnection();
conn.setAutoCommit(false);
String sql = "select 1";
PreparedStatement stmt0 = conn.prepareStatement(sql);
DruidPooledPreparedStatement pooledStmt0 = (DruidPooledPreparedStatement) stmt0;
stmt0.close();
PreparedStatement stmt1 = conn.prepareStatement(sql);
DruidPooledPreparedStatement pooledStmt1 = (DruidPooledPreparedStatement) stmt1;
Assert.assertEquals(1, pooledStmt1.getPreparedStatementHolder().getInUseCount());
Assert.assertSame(pooledStmt1.getPreparedStatementHolder(), pooledStmt0.getPreparedStatementHolder()); // same
PreparedStatement stmt2 = conn.prepareStatement(sql);
DruidPooledPreparedStatement pooledStmt2 = (DruidPooledPreparedStatement) stmt2;
Assert.assertNotSame(pooledStmt1.getPreparedStatementHolder(), pooledStmt2.getPreparedStatementHolder()); // not
// same
stmt1.close();
stmt2.close();
conn.close();
}
}
}