001package org.apache.maven.artifact.resolver;
002
003/*
004 * Licensed to the Apache Software Foundation (ASF) under one
005 * or more contributor license agreements.  See the NOTICE file
006 * distributed with this work for additional information
007 * regarding copyright ownership.  The ASF licenses this file
008 * to you under the Apache License, Version 2.0 (the
009 * "License"); you may not use this file except in compliance
010 * with the License.  You may obtain a copy of the License at
011 *
012 *  http://www.apache.org/licenses/LICENSE-2.0
013 *
014 * Unless required by applicable law or agreed to in writing,
015 * software distributed under the License is distributed on an
016 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
017 * KIND, either express or implied.  See the License for the
018 * specific language governing permissions and limitations
019 * under the License.
020 */
021
022import java.util.Collections;
023
024import org.apache.maven.artifact.AbstractArtifactComponentTestCase;
025import org.apache.maven.artifact.Artifact;
026import org.apache.maven.artifact.resolver.DefaultArtifactResolver.DaemonThreadCreator;
027
028public class DefaultArtifactResolverTest
029    extends AbstractArtifactComponentTestCase
030{
031    private DefaultArtifactResolver artifactResolver;
032
033    private Artifact projectArtifact;
034
035    @Override
036    protected void setUp()
037        throws Exception
038    {
039        super.setUp();
040
041        artifactResolver = (DefaultArtifactResolver) lookup( ArtifactResolver.class );
042
043        projectArtifact = createLocalArtifact( "project", "3.0" );
044    }
045
046    @Override
047    protected void tearDown()
048        throws Exception
049    {
050        artifactFactory = null;
051        projectArtifact = null;
052        super.tearDown();
053    }
054
055    @Override
056    protected String component()
057    {
058        return "resolver";
059    }
060
061    public void testMNG4738()
062        throws Exception
063    {
064        Artifact g = createLocalArtifact( "g", "1.0" );
065        createLocalArtifact( "h", "1.0" );
066        artifactResolver.resolveTransitively( Collections.singleton( g ), projectArtifact, remoteRepositories(),
067                                              localRepository(), null );
068
069        // we want to see all top-level thread groups
070        ThreadGroup tg = Thread.currentThread().getThreadGroup();
071        while ( tg.getParent() == null )
072        {
073            tg = tg.getParent();
074        }
075
076        ThreadGroup[] tgList = new ThreadGroup[tg.activeGroupCount()];
077        tg.enumerate( tgList );
078
079        boolean seen = false;
080
081        for ( ThreadGroup aTgList : tgList )
082        {
083            if ( !aTgList.getName().equals( DaemonThreadCreator.THREADGROUP_NAME ) )
084            {
085                continue;
086            }
087
088            seen = true;
089
090            tg = aTgList;
091            Thread[] ts = new Thread[tg.activeCount()];
092            tg.enumerate( ts );
093
094            for ( Thread active : ts )
095            {
096                String name = active.getName();
097                boolean daemon = active.isDaemon();
098                assertTrue( name + " is no daemon Thread.", daemon );
099            }
100
101        }
102
103        assertTrue( "Could not find ThreadGroup: " + DaemonThreadCreator.THREADGROUP_NAME, seen );
104    }
105
106    public void testLookup()
107        throws Exception
108    {
109        ArtifactResolver resolver = lookup( ArtifactResolver.class, "default" );
110    }
111}