Source code

001package org.apache.archiva.test.utils;
002
003/*
004 * Copyright 2012 The Apache Software Foundation.
005 *
006 * Licensed under the Apache License, Version 2.0 (the "License");
007 * you may not use this file except in compliance with the License.
008 * You may obtain a copy of the License at
009 *
010 *      http://www.apache.org/licenses/LICENSE-2.0
011 *
012 * Unless required by applicable law or agreed to in writing, software
013 * distributed under the License is distributed on an "AS IS" BASIS,
014 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
015 * See the License for the specific language governing permissions and
016 * limitations under the License.
017 */
018
019import org.junit.runners.model.FrameworkMethod;
020
021import java.util.ArrayList;
022import java.util.Collections;
023import java.util.List;
024
025/**
026 * Generator of list of random test method
027 * -Dorg.apache.archiva.test=n
028 * n&lt;=0 default jdk behavior
029 * n&gt;0 number of round of random collection
030 *
031 * @author Eric
032 */
033public class ListGenerator
034{
035    private static int MAXROUND = 10;
036
037    private ListGenerator()
038    {
039    }
040
041    static List<FrameworkMethod> getShuffleList( List<FrameworkMethod> computeTestMethods )
042    {
043        int testRound;
044        try
045        {
046            testRound = Integer.valueOf( System.getProperty( "org.apache.archiva.test", "0" ) );
047        }
048        catch ( NumberFormatException nfe )
049        {
050            testRound = 0;
051        }
052        if ( testRound <= 0 ) // default list usage
053        {
054            return computeTestMethods;
055        }
056        if ( computeTestMethods == null )
057        {
058            return null;
059        }
060
061        List<FrameworkMethod> generated = new ArrayList<>();
062
063        testRound = Math.min( MAXROUND, testRound );
064
065        for ( int i = 0; i < testRound; i++ )
066        {
067            Collections.shuffle( computeTestMethods );
068            generated.addAll( computeTestMethods );
069        }
070        // Collections.sort( generated, new FrameworkMethodComparator() );
071
072        return generated;
073    }
074
075    /*private static class FrameworkMethodComparator
076        implements Comparator<FrameworkMethod>
077    {
078        public int compare( FrameworkMethod frameworkMethod, FrameworkMethod frameworkMethod1 )
079        {
080            return frameworkMethod.getName().compareTo( frameworkMethod1.getName() );
081        }
082    }*/
083
084}