mercury-1.0.0-alpha-2/mercury-repo/mercury-repo-virtual/src/test/java/org/apache/maven/mercury/repository/virtual/VirtualRepositoryReaderTest.java

/**
 *  Licensed to the Apache Software Foundation (ASF) under one
 *  or more contributor license agreements.  See the NOTICE file
 *  distributed with this work for additional information
 *  regarding copyright ownership.  The ASF licenses this file
 *  to you under the Apache License, Version 2.0 (the
 *  "License"); you may not use this file except in compliance
 *  with the License.  You may obtain a copy of the License at
 * 
 *   http://www.apache.org/licenses/LICENSE-2.0
 * 
 *  Unless required by applicable law or agreed to in writing,
 *  software distributed under the License is distributed on an
 *  "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 *  KIND, either express or implied.  See the License for the
 *  specific language governing permissions and limitations
 *  under the License.
 */
package org.apache.maven.mercury.repository.virtual;

import java.io.File;
import java.net.URL;
import java.util.ArrayList;
import java.util.List;
import java.util.Map;

import junit.framework.TestCase;

import org.apache.maven.mercury.artifact.Artifact;
import org.apache.maven.mercury.artifact.ArtifactBasicMetadata;
import org.apache.maven.mercury.artifact.DefaultArtifact;
import org.apache.maven.mercury.builder.api.DependencyProcessor;
import org.apache.maven.mercury.event.MercuryEvent;
import org.apache.maven.mercury.event.MercuryEventListener;
import org.apache.maven.mercury.event.MercuryEvent.EventMask;
import org.apache.maven.mercury.repository.api.ArtifactBasicResults;
import org.apache.maven.mercury.repository.api.ArtifactResults;
import org.apache.maven.mercury.repository.api.LocalRepository;
import org.apache.maven.mercury.repository.api.RemoteRepository;
import org.apache.maven.mercury.repository.api.Repository;
import org.apache.maven.mercury.repository.local.m2.LocalRepositoryM2;
import org.apache.maven.mercury.repository.local.m2.MetadataProcessorMock;
import org.apache.maven.mercury.repository.remote.m2.RemoteRepositoryM2;
import org.apache.maven.mercury.transport.api.Server;
import org.apache.maven.mercury.util.FileUtil;

/**
 *
 *
 * @author Oleg Gusakov
 * @version $Id$
 *
 */
public class VirtualRepositoryReaderTest
extends TestCase
{
  File             _testBase;
  LocalRepository  _localRepo;
  Server           _server;
  RemoteRepository _remoteRepo;
  VirtualRepositoryReader _vr;
  
  String _remoteUrl = "http://people.apache.org/~ogusakov/repos/test";
  String _artifactCoordSn = "org.apache.maven.mercury:mercury-repo-virtual:1.0.0-alpha-2-SNAPSHOT";
  String _artifactCoordLatest = "org.apache.maven.mercury:mercury-repo-virtual:1.0.0-alpha-2-LATEST";
  String _artifactCoordRelease = "ant:ant:1.6.5";
  
  String _localRepoId = "localRepo";
  String _remoteRepoId = "remoteRepo";
  
  @Override
  protected void setUp()
  throws Exception
  {
    _testBase = new File( "./target/repo" );
    FileUtil.delete( _testBase );
    _testBase.mkdirs();
    FileUtil.copy( new File("./src/test/resources/repo"), _testBase, false );
    
    if( !_testBase.exists() || !_testBase.isDirectory() )
      throw new Exception( "cannot create clean folder " + _testBase.getAbsolutePath() );
    
    _localRepo = new LocalRepositoryM2( _localRepoId, _testBase, new MetadataProcessorMock() );
    
    _server = new Server( _remoteRepoId, new URL(_remoteUrl) );
    
    _remoteRepo = new RemoteRepositoryM2( _server.getId(), _server, new MetadataProcessorMock() );
    
    List<Repository> rl = new ArrayList<Repository>();
    rl.add( _localRepo );
    rl.add( _remoteRepo );
     
    _vr = new VirtualRepositoryReader( rl );
  }
  
  public void testReadSnapshot()
  throws Exception
  {
    ArtifactBasicMetadata bmd = new ArtifactBasicMetadata(_artifactCoordSn);
    List<ArtifactBasicMetadata> q = new ArrayList<ArtifactBasicMetadata>();
    q.add( bmd );
    
    ArtifactResults res = _vr.readArtifacts( q );
    
    assertNotNull( res );
    
    assertFalse( res.hasExceptions() );
    
    assertTrue( res.hasResults() );
    
    assertTrue( res.hasResults( bmd ) );
    
    Map<ArtifactBasicMetadata, List<Artifact>> m = res.getResults();
    
    List<Artifact> al = m.get( bmd );
    
    Artifact a = al.get( 0 );
    
    assertTrue( bmd.getGroupId().equals( a.getGroupId() ) );
    assertTrue( bmd.getArtifactId().equals( a.getArtifactId() ) );
    assertTrue( bmd.getVersion().equals( a.getVersion() ) );
    
    byte [] pomBytes = a.getPomBlob(); 
    
    assertTrue( pomBytes != null );
    
    assertEquals( 795, pomBytes.length );
    
    File ab = a.getFile();
    
    assertNotNull( ab );
    
    assertTrue( ab.exists() );
    
    assertEquals( 6162, ab.length() );
  }
  
  public void testWrite()
  throws Exception
  {
    Artifact a = new DefaultArtifact( new ArtifactBasicMetadata("a:a:1.0:text:txt") );
    File bin = File.createTempFile( "vr-", "-test.txt" );
    FileUtil.writeRawData( bin, "test" );
    a.setFile( bin );
    
    List<Artifact> arts = new ArrayList<Artifact>();
    arts.add( a );
    
    _localRepo.getWriter().writeArtifacts( arts );
    
    File af = new File( _testBase, "a/a/1.0/a-1.0-text.txt");
    
    assertTrue( af.exists() );
    
    assertEquals( 4, af.length() );
    
  }
  
  public void testReadRelease()
  throws Exception
  {
    ArtifactBasicMetadata bmd = new ArtifactBasicMetadata( _artifactCoordRelease );
    List<ArtifactBasicMetadata> q = new ArrayList<ArtifactBasicMetadata>();
    q.add( bmd );
    
    Listener l = new Listener();
    _vr.register( l );
    
    ArtifactBasicResults res = _vr.readVersions( q );
    
    assertNotNull( res );
    
    assertFalse( res.hasExceptions() );
    
    assertTrue( res.hasResults() );
    
    assertTrue( res.hasResults( bmd ) );
    
    // let events propagate
    Thread.sleep( 2000L );
    
    assertTrue( l.localEventCount > 0 );
    
    assertEquals( 0, l.remoteEventCount );
    
  }
  //========================================================================
  class Listener
  implements MercuryEventListener
  {

    int localEventCount = 0;
    int remoteEventCount = 0;
      
    public void fire( MercuryEvent event )
    {
      String tag = event.getInfo();
      
      if( _localRepoId.equals( tag ) )
        ++localEventCount;
      else if( _remoteRepoId.equals( tag ) )
        ++remoteEventCount;
      
//      System.out.println(EventManager.toString( event ));
//      System.out.flush();
    }

    public EventMask getMask()
    {
      return null;
    }
    
  }
  
}