Case3.java

/*
 * 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.bvt.pool;

import java.sql.Connection;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.sql.Statement;

import org.junit.Assert;
import junit.framework.TestCase;

import com.alibaba.druid.pool.DruidDataSource;
import com.alibaba.druid.stat.DruidDataSourceStatManager;

public class Case3 extends TestCase {

    // public void test_0() throws Exception {
    // DruidDataSource dataSource = new DruidDataSource();
    // dataSource.setUrl("jdbc:mock:xxx");
    // dataSource.setPoolPreparedStatements(true);
    // dataSource.close();
    // }
    //
    // public void test_1() throws Exception {
    // DruidDataSource dataSource = new DruidDataSource();
    // dataSource.setUrl("jdbc:mock:xxx");
    //
    // Connection conn = dataSource.getConnection();
    // Statement stmt = conn.createStatement();
    // ResultSet rs = stmt.executeQuery("SELECT 1");
    // rs.next();
    //
    // conn.close();
    //
    // Assert.assertEquals(true, stmt.isClosed());
    // Assert.assertEquals(true, rs.isClosed());
    //
    // rs.close();
    // stmt.close();
    //
    // dataSource.close();
    // }
    protected void setUp() throws Exception {
        DruidDataSourceStatManager.clear();
    }

    protected void tearDown() throws Exception {
        Assert.assertEquals(0, DruidDataSourceStatManager.getInstance().getDataSourceList().size());
    }

    public void test_2() throws Exception {
        DruidDataSource dataSource = new DruidDataSource();
        dataSource.setUrl("jdbc:mock:xxx");

        String sql = "SELECT 1";

        Connection conn = dataSource.getConnection();
        PreparedStatement stmt = conn.prepareStatement(sql);
        ResultSet rs = stmt.executeQuery();
        rs.next();

        Statement mockStmt = stmt.unwrap(Statement.class);
        Assert.assertEquals(false, mockStmt.isClosed());

        conn.close();

        Assert.assertEquals(true, mockStmt.isClosed());

        Assert.assertEquals(true, stmt.isClosed());
        Assert.assertEquals(true, rs.isClosed());

        rs.close();
        stmt.close();

        SQLException error = null;
        try {
            stmt.execute("SELECT 1");
        } catch (SQLException ex) {
            error = ex;
        }
        Assert.assertNotNull(error);

        dataSource.close();
    }
}