001    package 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    
022    import java.util.Collections;
023    
024    import org.apache.maven.artifact.AbstractArtifactComponentTestCase;
025    import org.apache.maven.artifact.Artifact;
026    import org.apache.maven.artifact.resolver.DefaultArtifactResolver.DaemonThreadCreator;
027    
028    public 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 ( int i = 0; i < tgList.length; i++ )
082            {
083                if ( !tgList[i].getName().equals( DaemonThreadCreator.THREADGROUP_NAME ) )
084                {
085                    continue;
086                }
087    
088                seen = true;
089    
090                tg = tgList[i];
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    }