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.filter;
  
  import com.alibaba.druid.mock.MockConnection;
  import com.alibaba.druid.mock.MockDriver;
  import com.alibaba.druid.mock.MockPreparedStatement;
  import com.alibaba.druid.pool.DruidDataSource;
  import com.alibaba.druid.stat.JdbcSqlStat;
  import com.alibaba.druid.util.JdbcUtils;
  import junit.framework.TestCase;
  
  import java.sql.Connection;
  import java.sql.PreparedStatement;
  import java.sql.ResultSet;
  import java.sql.SQLException;
  
  public class StatFilterExecuteFirstResultSetTest extends TestCase {
      private DruidDataSource dataSource;
  
      protected void setUp() throws Exception {
          dataSource = new DruidDataSource();
  
          dataSource.setUrl("jdbc:mock:xxx");
          dataSource.setFilters("stat");
          dataSource.setTestOnBorrow(false);
  
          MockDriver driver = new MockDriver() {
              public MockPreparedStatement createMockPreparedStatement(MockConnection conn, String sql) {
                  return new MyMockPreparedStatement(conn, sql);
              }
          };
  
          dataSource.setDriver(driver);
  
          dataSource.init();
      }
  
      protected void tearDown() throws Exception {
          JdbcUtils.close(dataSource);
      }
  
      public void test_stat() throws Exception {
          assertTrue(dataSource.isInited());
          final String sql = "select 1";
  
          Connection conn = dataSource.getConnection();
  
          PreparedStatement stmt = conn.prepareStatement(sql);
          boolean firstResult = stmt.execute();
          assertTrue(firstResult);
  
          ResultSet rs = stmt.getResultSet();
          rs.next();
          rs.close();
  
          stmt.close();
  
          conn.close();
  
          JdbcSqlStat sqlStat = dataSource.getDataSourceStat().getSqlStat(sql);
  
          assertEquals(1, sqlStat.getHistogramSum());
  
          assertEquals(1, sqlStat.getExecuteAndResultHoldTimeHistogramSum());
      }
  
      static class MyMockPreparedStatement extends MockPreparedStatement {
          public MyMockPreparedStatement(MockConnection conn, String sql) {
              super(conn, sql);
          }
  
          public boolean execute() throws SQLException {
              return true;
          }
  
          public ResultSet getResultSet() throws SQLException {
              return getConnection().getDriver().executeQuery(this, getSql());
          }
      }
  }
  