/*
    * 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 org.apache.hadoop.chukwa.util;
  
  import java.sql.Connection;
  import java.sql.SQLException;
  
  import org.apache.hadoop.chukwa.util.DriverManagerUtil.ConnectionInfo;
  
  import junit.framework.TestCase;
  
  public class DriverManagerUtilTest extends TestCase {
  
    public void testLoadDriver() throws ClassNotFoundException {
      Class<?> clazz = DriverManagerUtil.loadDriver();
      System.out.println(clazz);
    }
  
    public void testGetConnectionInfo() {
      {
        String url = "jdbc:mysql://localhost:3306/demo";
        ConnectionInfo ci = new ConnectionInfo(url);
        assertEquals("jdbc:mysql://localhost:3306/demo", ci.getUri());
        assertEquals(0, ci.getProperties().size());
      }
      
      {
        String url = "jdbc:mysql://localhost:3306/demo?user=example";
        ConnectionInfo ci = new ConnectionInfo(url);
        assertEquals("jdbc:mysql://localhost:3306/demo", ci.getUri());
        assertEquals(1, ci.getProperties().size());
        assertEquals("example", ci.getProperties().get("user"));
      }
      
      {
        String url = "jdbc:mysql://localhost:3306/demo?user=example&";
        ConnectionInfo ci = new ConnectionInfo(url);
        assertEquals("jdbc:mysql://localhost:3306/demo", ci.getUri());
        assertEquals(1, ci.getProperties().size());
        assertEquals("example", ci.getProperties().get("user"));
      }
      
      {
        String url = "jdbc:mysql://localhost:3306/demo?user=example&pwd";
        ConnectionInfo ci = new ConnectionInfo(url);
        assertEquals("jdbc:mysql://localhost:3306/demo", ci.getUri());
        assertEquals(2, ci.getProperties().size());
        assertEquals("example", ci.getProperties().get("user"));
        assertEquals("", ci.getProperties().get("pwd"));
      }
      
      {
        String url = "jdbc:mysql://localhost:3306/demo?user=example&pwd=";
        ConnectionInfo ci = new ConnectionInfo(url);
        assertEquals("jdbc:mysql://localhost:3306/demo", ci.getUri());
        assertEquals(2, ci.getProperties().size());
        assertEquals("example", ci.getProperties().get("user"));
        assertEquals("", ci.getProperties().get("pwd"));
      }
      
      {
        String url = "jdbc:mysql://localhost:3306/demo?user=example&pwd=ppppp";
        ConnectionInfo ci = new ConnectionInfo(url);
        assertEquals("jdbc:mysql://localhost:3306/demo", ci.getUri());
        assertEquals(2, ci.getProperties().size());
        assertEquals("example", ci.getProperties().get("user"));
        assertEquals("ppppp", ci.getProperties().get("pwd"));
      }
    }
  
    public void testGetConnection() throws ClassNotFoundException, SQLException, InstantiationException, IllegalAccessException {
      if(false) {
        DriverManagerUtil.loadDriver().newInstance();
        String url = "jdbc:mysql://localhost:3306/test?user=root&pwd=";
        Connection conn = DriverManagerUtil.getConnection(url);
      }
    } 
  }