content: /*
   * Licensed to the Apache Software Foundation (ASF) under one or more
   * contributor license agreements.  See the NOTICE file distributed with
   * this work for additional information regarding copyright ownership.
   * The ASF licenses this file to You 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.metrics.druid;
  
  import com.alibaba.druid.pool.DruidDataSource;
  import com.alibaba.druid.stat.JdbcStatManager;
  import com.alibaba.druid.support.json.JSONUtils;
  import com.alibaba.druid.util.JdbcUtils;
  import org.junit.After;
  import org.junit.Assert;
  import org.junit.Before;
  import org.junit.Test;
  
  import javax.management.openmbean.CompositeData;
  import javax.management.openmbean.TabularData;
  import javax.management.openmbean.TabularDataSupport;
  import java.sql.Connection;
  import java.sql.Statement;
  import java.util.ArrayList;
  import java.util.HashMap;
  import java.util.List;
  import java.util.Map;
  
  public class DruidStatTest {
  
      private DruidDataSource dataSource;
  
      @Before
      public void setUp() throws Exception {
          TabularData sqlList = JdbcStatManager.getInstance().getSqlList();
          if (sqlList.size() > 0) {
              for (Object item : JdbcStatManager.getInstance().getSqlList().values()) {
                  String text = JSONUtils.toJSONString(item);
                  System.out.println(text);
              }
          }
  
          Assert.assertEquals(0, JdbcStatManager.getInstance().getSqlList().size());
  
          dataSource = new DruidDataSource();
          dataSource.setUrl("jdbc:mock:xx");
          dataSource.setFilters("mergeStat");
          dataSource.setDbType("mysql");
      }
  
      @After
      public void tearDown() throws Exception {
          JdbcUtils.close(dataSource);
      }
  
      @Test
      public void testJdbcConnection() throws Exception {
          for (int i = 1000; i < 2000; ++i) {
              String tableName = "t" + i;
              String sql = "select * from " + tableName + " where " + tableName + ".id = " + i;
              Connection conn = dataSource.getConnection();
              Statement stmt = conn.createStatement();
              stmt.execute(sql);
              stmt.close();
              conn.close();
          }
  
          for (int i = 2000; i < 3000; ++i) {
              String tableName = "t" + i;
              String sql = "insert into " + tableName + " values()";
              Connection conn = dataSource.getConnection();
              Statement stmt = conn.createStatement();
              stmt.execute(sql);
              stmt.close();
              conn.close();
          }
  
          TabularData tabularData = JdbcStatManager.getInstance().getSqlList();
  
          List<Object> list = new ArrayList<Object>();
          TabularDataSupport tabularDataSupport = (TabularDataSupport)tabularData;
          for (Object itemValue : tabularDataSupport.values()) {
              if (itemValue instanceof CompositeData) {
                  CompositeData compositeData = (CompositeData)itemValue;
                  Map<String, Object> singleLine = new HashMap<String, Object>();
                  for (String key : compositeData.getCompositeType().keySet()) {
                      Object entryValue = compositeData.get(key);
                      singleLine.put(key, entryValue);
                  }
                  list.add(singleLine);
              }
          }
  
          Assert.assertEquals(2, dataSource.getDataSourceStat().getSqlStatMap().size());
      }
  }
  