package com.meterware.servletunit;
/********************************************************************************************************************
* $Id: ServletUnitTest.java 608 2004-03-03 01:12:51Z russgold $
*
* Copyright (c) 2000, Russell Gold
*
* Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated 
* documentation files (the "Software"), to deal in the Software without restriction, including without limitation 
* the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and
* to permit persons to whom the Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all copies or substantial portions 
* of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO
* THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF
* CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
* DEALINGS IN THE SOFTWARE.
*
*******************************************************************************************************************/
import java.util.Vector;
import java.util.Enumeration;
import java.util.ArrayList;

import junit.framework.TestCase;

/**
 * A base class for servlet unit tests.
 **/
abstract
public class ServletUnitTest extends TestCase {

    public ServletUnitTest( String name ) {
        super( name );
    }

//------------------------------------ protected members ------------------------------------------


    protected Object[] toArray( Enumeration e ) {
        ArrayList result = new ArrayList();
        while (e.hasMoreElements()) result.add( e.nextElement() );
        return result.toArray();
    }


    protected void assertMatchingSet( String comment, Object[] expected, Object[] found ) {
        Vector expectedItems = new Vector();
        Vector foundItems    = new Vector();

        for (int i = 0; i < expected.length; i++) expectedItems.addElement( expected[i] );
        for (int i = 0; i < found.length; i++) foundItems.addElement( found[i] );

        for (int i = 0; i < expected.length; i++) {
            if (!foundItems.contains( expected[i] )) {
                fail( comment + ": expected " + asText( expected ) + " but found " + asText( found ) );
            } else {
                foundItems.removeElement( expected[i] );
            }
        }

        for (int i = 0; i < found.length; i++) {
            if (!expectedItems.contains( found[i] )) {
                fail( comment + ": expected " + asText( expected ) + " but found " + asText( found ) );
            } else {
                expectedItems.removeElement( found[i] );
            }
        }

        if (!foundItems.isEmpty()) fail( comment + ": expected " + asText( expected ) + " but found " + asText( found ) );
    }


    protected String asText( Object[] args ) {
        StringBuffer sb = new StringBuffer( "{" );
        for (int i = 0; i < args.length; i++) {
            if (i != 0) sb.append( "," );
            sb.append( '"' ).append( args[i] ).append( '"' );
        }
        sb.append( "}" );
        return sb.toString();
    }

}