/*
* 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 javax.management.openmbean.TabularData;
import junit.framework.TestCase;
import org.junit.Assert;
import com.alibaba.druid.mock.MockConnection;
import com.alibaba.druid.mock.MockDriver;
import com.alibaba.druid.pool.DruidDataSource;
import com.alibaba.druid.stat.DruidDataSourceStatManager;
import com.alibaba.druid.util.JdbcUtils;
public class TestIdle extends TestCase {
private DruidDataSource dataSource;
protected void tearDown() throws Exception {
JdbcUtils.close(dataSource);
DruidDataSourceStatManager.clear();
}
protected void setUp() throws Exception {
TabularData dataSourceList = DruidDataSourceStatManager.getInstance().getDataSourceList();
if (dataSourceList.size() > 0) {
DruidDataSource first = DruidDataSourceStatManager.getInstance().getDruidDataSourceInstances().iterator().next();
System.out.println(first.getInitStackTrace());
}
Assert.assertEquals(0, dataSourceList.size());
}
public void test_idle() throws Exception {
MockDriver driver = new MockDriver();
dataSource = new DruidDataSource();
dataSource.setUrl("jdbc:mock:xxx");
dataSource.setDriver(driver);
dataSource.setInitialSize(2);
dataSource.setMaxActive(4);
// dataSource.setMaxIdle(4);
dataSource.setMinIdle(1);
dataSource.setMinEvictableIdleTimeMillis(50 * 1);
dataSource.setTimeBetweenEvictionRunsMillis(10);
dataSource.setTestWhileIdle(true);
dataSource.setTestOnBorrow(false);
dataSource.setValidationQuery("SELECT 1");
{
Assert.assertEquals(0, dataSource.getCreateCount());
Assert.assertEquals(0, dataSource.getActiveCount());
Connection conn = dataSource.getConnection();
Assert.assertEquals(dataSource.getInitialSize(), dataSource.getCreateCount());
Assert.assertEquals(dataSource.getInitialSize(), driver.getConnections().size());
Assert.assertEquals(1, dataSource.getActiveCount());
conn.close();
Assert.assertEquals(0, dataSource.getDestroyCount());
Assert.assertEquals(dataSource.getInitialSize(), driver.getConnections().size());
Assert.assertEquals(0, dataSource.getActiveCount());
}
{
int count = 4;
Connection[] connections = new Connection[4];
for (int i = 0; i < count; ++i) {
connections[i] = dataSource.getConnection();
Assert.assertEquals(i + 1, dataSource.getActiveCount());
}
Assert.assertEquals(dataSource.getMaxActive(), dataSource.getCreateCount());
Assert.assertEquals(4, driver.getConnections().size());
for (int i = 0; i < count; ++i) {
connections[i].close();
Assert.assertEquals(count - i - 1, dataSource.getActiveCount());
}
Assert.assertEquals(dataSource.getMaxActive(), dataSource.getCreateCount());
Assert.assertEquals(0, dataSource.getActiveCount());
Assert.assertEquals(4, driver.getConnections().size());
Thread.sleep(dataSource.getMinEvictableIdleTimeMillis() * 2);
Assert.assertEquals(dataSource.getMinIdle(), driver.getConnections().size());
}
System.out.println("----------raw close all connection");
for (MockConnection rawConn : driver.getConnections()) {
rawConn.close();
}
Thread.sleep(dataSource.getMinEvictableIdleTimeMillis() * 2);
Assert.assertEquals(0, driver.getConnections().size());
Assert.assertEquals(1, dataSource.getPoolingCount());
{
Connection conn = dataSource.getConnection();
Assert.assertEquals(1, dataSource.getActiveCount());
Assert.assertEquals(dataSource.getMinIdle(), driver.getConnections().size());
conn.close();
Assert.assertEquals(dataSource.getMinIdle(), driver.getConnections().size());
Assert.assertEquals(0, dataSource.getActiveCount());
}
{
int count = 4;
Connection[] connections = new Connection[4];
for (int i = 0; i < count; ++i) {
connections[i] = dataSource.getConnection();
Assert.assertEquals(i + 1, dataSource.getActiveCount());
}
Assert.assertEquals(4, driver.getConnections().size());
for (int i = 0; i < count; ++i) {
connections[i].close();
Assert.assertEquals(count - i - 1, dataSource.getActiveCount());
}
Assert.assertEquals(4, driver.getConnections().size());
Assert.assertEquals("activeCount not zero", 0, dataSource.getActiveCount());
dataSource.shrink();
Assert.assertEquals("activeCount not zero", 0, dataSource.getActiveCount());
Assert.assertEquals("minIdle not equal physical", dataSource.getMinIdle(), driver.getConnections().size());
}
}
}