/*
* 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 junit.framework.TestCase;
import java.sql.Connection;
import java.sql.Statement;
import java.util.concurrent.CountDownLatch;
public class MaxWaitTest extends TestCase {
private DruidDataSource dataSource;
protected void setUp() throws Exception {
dataSource = new DruidDataSource();
dataSource.setUrl("jdbc:mysql://localhost:3306/sonar");
dataSource.setUsername("sonar");
dataSource.setPassword("sonar");
dataSource.setFilters("stat");
dataSource.setMaxWait(1000);
dataSource.setInitialSize(3);
dataSource.setMinIdle(3);
dataSource.setMaxActive(3);
}
public void test_maxWait() throws Exception {
final CountDownLatch latch = new CountDownLatch(10);
for (int i = 0; i < 20; ++i) {
Thread thread = new Thread() {
public void run() {
try {
for (int i = 0; i < 10; ++i) {
try {
Connection conn = dataSource.getConnection();
Statement stmt = conn.createStatement();
stmt.execute("select sleep(" + (i % 5 + 1) + ")");
stmt.close();
conn.close();
} catch (Exception e) {
e.printStackTrace();
}
}
} finally {
latch.countDown();
}
}
};
thread.start();
}
latch.await();
}
}