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.mock.MockConnection;
  import com.alibaba.druid.mock.MockDriver;
  import com.alibaba.druid.pool.DruidDataSource;
  import com.alibaba.druid.stat.DataSourceMonitorable;
  import com.alibaba.druid.stat.DruidDataSourceStatManager;
  import com.alibaba.druid.util.JdbcUtils;
  import junit.framework.TestCase;
  
  import javax.management.openmbean.TabularData;
  
  import java.sql.Connection;
  
  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) {
              DataSourceMonitorable first = DruidDataSourceStatManager.getInstance().getDruidDataSourceInstances().iterator().next();
              System.out.println(first.getInitStackTrace());
          }
          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");
  
          {
              assertEquals(0, dataSource.getCreateCount());
              assertEquals(0, dataSource.getActiveCount());
  
              Connection conn = dataSource.getConnection();
  
              assertEquals(dataSource.getInitialSize(), dataSource.getCreateCount());
              assertEquals(dataSource.getInitialSize(), driver.getConnections().size());
              assertEquals(1, dataSource.getActiveCount());
  
              conn.close();
              assertEquals(0, dataSource.getDestroyCount());
              assertEquals(dataSource.getInitialSize(), driver.getConnections().size());
              assertEquals(0, dataSource.getActiveCount());
          }
  
          {
              int count = 4;
              Connection[] connections = new Connection[4];
              for (int i = 0; i < count; ++i) {
                  connections[i] = dataSource.getConnection();
                  assertEquals(i + 1, dataSource.getActiveCount());
              }
              assertEquals(dataSource.getMaxActive(), dataSource.getCreateCount());
              assertEquals(4, driver.getConnections().size());
              for (int i = 0; i < count; ++i) {
                  connections[i].close();
                  assertEquals(count - i - 1, dataSource.getActiveCount());
              }
              assertEquals(dataSource.getMaxActive(), dataSource.getCreateCount());
              assertEquals(0, dataSource.getActiveCount());
              assertEquals(4, driver.getConnections().size());
  
              Thread.sleep(dataSource.getMinEvictableIdleTimeMillis() * 2);
              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);
          assertEquals(0, driver.getConnections().size());
          assertEquals(1, dataSource.getPoolingCount());
          {
              Connection conn = dataSource.getConnection();
              assertEquals(1, dataSource.getActiveCount());
              assertEquals(dataSource.getMinIdle(), driver.getConnections().size());
              conn.close();
              assertEquals(dataSource.getMinIdle(), driver.getConnections().size());
              assertEquals(0, dataSource.getActiveCount());
          }
  
          {
              int count = 4;
              Connection[] connections = new Connection[4];
              for (int i = 0; i < count; ++i) {
                  connections[i] = dataSource.getConnection();
                  assertEquals(i + 1, dataSource.getActiveCount());
              }
              assertEquals(4, driver.getConnections().size());
              for (int i = 0; i < count; ++i) {
                  connections[i].close();
                  assertEquals(count - i - 1, dataSource.getActiveCount());
              }
              assertEquals(4, driver.getConnections().size());
              assertEquals("activeCount not zero", 0, dataSource.getActiveCount());
  
              dataSource.shrink();
              assertEquals("activeCount not zero", 0, dataSource.getActiveCount());
              assertEquals("minIdle not equal physical", dataSource.getMinIdle(), driver.getConnections().size());
          }
  
      }
  }
  