/*
* Copyright 1999-2017 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.pool;
import java.sql.Connection;
import org.junit.Assert;
import junit.framework.TestCase;
import com.alibaba.druid.util.JMXUtils;
public class Case0 extends TestCase {
private String jdbcUrl;
private String user;
private String password;
private String driverClass;
private int initialSize = 1;
private int minPoolSize = 1;
private int maxPoolSize = 2;
private int maxActive = 2;
protected void setUp() throws Exception {
jdbcUrl = "jdbc:fake:dragoon_v25masterdb";
user = "dragoon25";
password = "dragoon25";
driverClass = "com.alibaba.druid.mock.MockDriver";
}
public void test_singleThread() throws Exception {
final DruidDataSource dataSource = new DruidDataSource();
JMXUtils.register("com.alibaba.druid:type=DruidDataSource", dataSource);
Class.forName("com.alibaba.druid.mock.MockDriver");
dataSource.setInitialSize(initialSize);
dataSource.setMaxActive(maxActive);
dataSource.setMinIdle(minPoolSize);
dataSource.setMaxIdle(maxPoolSize);
dataSource.setPoolPreparedStatements(true);
dataSource.setDriverClassName(driverClass);
dataSource.setUrl(jdbcUrl);
dataSource.setPoolPreparedStatements(true);
dataSource.setUsername(user);
dataSource.setPassword(password);
dataSource.setFilters("stat");
final int LOOP_COUNT = 1000 * 1000;
Assert.assertEquals(0, dataSource.getCreateCount());
Assert.assertEquals(0, dataSource.getDestroyCount());
Assert.assertEquals(0, dataSource.getPoolingCount());
for (int i = 0; i < LOOP_COUNT; ++i) {
Connection conn = dataSource.getConnection();
conn.setTransactionIsolation(Connection.TRANSACTION_READ_COMMITTED);
Assert.assertEquals(initialSize, dataSource.getCreateCount());
Assert.assertEquals(i + 1, dataSource.getConnectCount());
Assert.assertEquals(1, dataSource.getActiveCount());
Assert.assertEquals(i, dataSource.getCloseCount());
Assert.assertEquals(0, dataSource.getConnectErrorCount());
Assert.assertEquals(initialSize - 1, dataSource.getPoolingCount());
Assert.assertEquals(i, dataSource.getRecycleCount());
conn.close();
Assert.assertEquals(i + 1, dataSource.getConnectCount());
Assert.assertEquals(0, dataSource.getActiveCount());
Assert.assertEquals(i + 1, dataSource.getCloseCount());
Assert.assertEquals(0, dataSource.getConnectErrorCount());
Assert.assertEquals(initialSize, dataSource.getPoolingCount());
Assert.assertEquals(i + 1, dataSource.getRecycleCount());
}
Assert.assertEquals(initialSize, dataSource.getCreateCount());
Assert.assertEquals(0, dataSource.getDestroyCount());
dataSource.close();
Assert.assertEquals(dataSource.getCreateCount(), dataSource.getDestroyCount());
}
}