/*!
 * This program is free software; you can redistribute it and/or modify it under the
 * terms of the GNU Lesser General Public License, version 2.1 as published by the Free Software
 * Foundation.
 *
 * You should have received a copy of the GNU Lesser General Public License along with this
 * program; if not, you can obtain a copy at http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html
 * or from the Free Software Foundation, Inc.,
 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 *
 * This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
 * without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
 * See the GNU Lesser General Public License for more details.
 *
 * Copyright (c) 2002-2013 Pentaho Corporation..  All rights reserved.
 */
package org.pentaho.commons.system;

import org.junit.Test;
import org.pentaho.di.core.util.Assert;

import java.sql.Connection;
import java.sql.Driver;
import java.sql.DriverManager;
import java.sql.DriverPropertyInfo;
import java.sql.SQLException;
import java.sql.SQLFeatureNotSupportedException;
import java.util.Enumeration;
import java.util.Properties;
import java.util.logging.Logger;


public class LoadDriversListenerTest {
  @Test
  public void testLoadsDrivers() throws Exception {
    LoadDriversListener listener = new LoadDriversListener();
    listener.startup( null );
    Enumeration<Driver> drivers = DriverManager.getDrivers();
    while ( drivers.hasMoreElements() ) {
      Driver driver = drivers.nextElement();
      if ( "org.pentaho.commons.system.LoadDriversListenerTest$FakeDriver".equals( driver.getClass().getName() ) ) {
        return;
      }
    }
    Assert.assertFalse( true, "didn't find FakeDriver" );

  }

  public static class FakeDriver implements Driver {
    static {
      try {
        DriverManager.registerDriver( new FakeDriver() );
      } catch ( SQLException e ) {
        e.printStackTrace();
      }
    }

    @Override public Connection connect( String url, Properties info ) throws SQLException {
      return null;
    }

    @Override public boolean acceptsURL( String url ) throws SQLException {
      return false;
    }

    @Override public DriverPropertyInfo[] getPropertyInfo( String url, Properties info ) throws SQLException {
      return new DriverPropertyInfo[ 0 ];
    }

    @Override public int getMajorVersion() {
      return 0;
    }

    @Override public int getMinorVersion() {
      return 0;
    }

    @Override public boolean jdbcCompliant() {
      return false;
    }

    //don't add @Override annotation for Java 6 compatibility (class Driver doesn't have getParentLogger method in Java 6)
    public Logger getParentLogger() throws SQLFeatureNotSupportedException {
      return null;
    }
  }

}