content: /*
   * Copyright 1999-2018 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 com.alibaba.druid.pool.DruidDataSource;
  import com.alibaba.druid.util.JdbcUtils;
  import junit.framework.TestCase;
  
  import java.sql.Connection;
  import java.time.LocalDateTime;
  import java.util.ArrayList;
  import java.util.List;
  import java.util.concurrent.CountDownLatch;
  import java.util.concurrent.atomic.AtomicLong;
  
  public class TestConnectTimeout extends TestCase {
      private DruidDataSource dataSource;
  
      protected void setUp() throws Exception {
          dataSource = new DruidDataSource();
  
          dataSource.setUsername("xxx1");
          dataSource.setPassword("ppp");
          dataSource.setUrl("jdbc:mock:xx");
          dataSource.setFilters("stat");
          dataSource.setMaxOpenPreparedStatements(30);
          dataSource.setMaxActive(4);
          dataSource.setMaxWait(50000); //时间灵敏度不够，容易导致单测失败，因此调大一点
          dataSource.setMinIdle(0);
          dataSource.setInitialSize(1);
          dataSource.init();
      }
  
      public void testConnectTimeout() throws Exception {
          {
              Connection conn = dataSource.getConnection();
              conn.close();
              dataSource.shrink();
              assertEquals(0, dataSource.getPoolingCount());
          }
  
          final List<Connection> connections = new ArrayList<Connection>();
          for (int i = 0; i < 3; ++i) {
              Connection conn = dataSource.getConnection();
              connections.add(conn);
          }
  
          final AtomicLong errorCount = new AtomicLong();
          final int THREAD_COUNT = 10;
          final CountDownLatch latch = new CountDownLatch(THREAD_COUNT);
          for (int i = 0; i < THREAD_COUNT; ++i) {
              Thread thread = new Thread() {
                  public void run() {
                      try {
                          for (int i = 0; i < 100; ++i) {
                              Connection conn = dataSource.getConnection();
                              System.out.println(LocalDateTime.now() + " : " + Thread.currentThread() + " " + conn);
                              Thread.sleep(1);
                              conn.close();
                          }
                      } catch (Exception e) {
                          e.printStackTrace();
                          errorCount.incrementAndGet();
                      } finally {
                          latch.countDown();
                      }
                  }
              };
              thread.start();
          }
  
          latch.await();
          assertEquals(0, errorCount.get());
      }
  
      protected void tearDown() throws Exception {
          JdbcUtils.close(dataSource);
      }
  }
  