/*
    * Copyright 2013 Codehaus.
    *
    * Licensed 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.codehaus.mojo.nbm;
  
  import java.io.File;
  import java.util.ArrayList;
  import java.util.Arrays;
  import java.util.Collections;
  import java.util.HashMap;
  import java.util.HashSet;
  import java.util.Map;
  import java.util.Set;
  import org.apache.maven.plugin.MojoExecutionException;
  import org.apache.maven.plugin.logging.Log;
  import org.codehaus.mojo.nbm.CreateClusterAppMojo.BundleTuple;
  import org.codehaus.mojo.nbm.utils.ExamineManifest;
  import static org.junit.Assert.*;
  import org.junit.Test;
  
  /**
   *
   * @author mkleint
   */
  public class CreateClusterAppMojoTest
  {
      
      public CreateClusterAppMojoTest()
      {
      }
      
      @Test
      public void computeClusterOrderingTest() throws Exception {
          HashMap<String, Set<String>> clusterDeps = new HashMap<String, Set<String>>();
          HashMap<String, Set<String>> clusterModules = new HashMap<String, Set<String>>();
          clusterModules.put( "platform", new HashSet<String>(Arrays.asList( new String[] {"pl-a", "pl-b", "pl-c"})));
          clusterModules.put( "ide", new HashSet<String>(Arrays.asList( new String[] {"i-a", "i-b", "i-c"})));
          clusterModules.put( "java", new HashSet<String>(Arrays.asList( new String[] {"j-a", "j-b", "j-c"})));
          
          clusterDeps.put( "java", new HashSet<String>(Arrays.asList( new String[] {"i-a", "pl-b", "pl-c"})));
          clusterDeps.put( "ide", new HashSet<String>(Arrays.asList( new String[] {"pl-b", "pl-c"})));
          Map<String, Set<String>> res = CreateClusterAppMojo.computeClusterOrdering( clusterDeps, clusterModules);
          assertNotNull( res );
          Set<String> resJava = res.get( "java");
          assertNotNull( resJava );
          assertEquals( resJava.size(), 2);
          assertTrue( resJava.contains( "ide"));
          assertTrue( resJava.contains( "platform"));
          
          Set<String> resIde = res.get( "ide");
          assertNotNull( resIde );
          assertEquals( resIde.size(), 1);
          assertTrue( resIde.contains( "platform"));
          
      }
      
      @Test
      public void assignClustersToBundles() throws Exception {
          ArrayList<BundleTuple> bundles = new ArrayList<BundleTuple>();
          BundleTuple tup1 = createBundleTuple("a.b.c", new File(getClass().getResource( "/osgimanifests" + File.separator + "a.b.c.MF").toURI()));
          bundles.add( tup1 );
          BundleTuple tup2 = createBundleTuple("b.c.d", new File(getClass().getResource( "/osgimanifests" + File.separator + "b.c.d.MF").toURI()));
          assertTrue(Arrays.toString( tup2.manifest.getOsgiImports().toArray()),  tup2.manifest.getOsgiImports().contains( "a.b.c"));
          bundles.add( tup2 );
          HashMap<String, Set<String>> clusterDeps = new HashMap<String, Set<String>>();
          clusterDeps.put( "java", new HashSet<String>(Arrays.asList( new String[] {"i-a", "pl-b", "pl-c"})));
          clusterDeps.put( "ide", new HashSet<String>(Arrays.asList( new String[] {"pl-b", "pl-c", "a.b.c"})));
          
          CreateClusterAppMojo.assignClustersToBundles(bundles, Collections.<String>emptySet(), clusterDeps, Collections.<String, Set<String>>emptyMap(), null);
          assertEquals( "ide", tup1.cluster);
          assertEquals( "ide", tup2.cluster);
          
          clusterDeps.clear();
          clusterDeps.put( "ide", new HashSet<String>(Arrays.asList( new String[] {"i-a", "pl-b", "pl-c"})));
          clusterDeps.put( "java", new HashSet<String>(Arrays.asList( new String[] {"pl-b", "pl-c", "b.c.d"})));
          tup2.cluster = null;
          tup1.cluster = null;
          
          CreateClusterAppMojo.assignClustersToBundles(bundles, Collections.<String>emptySet(), clusterDeps, Collections.<String, Set<String>>emptyMap(), null);
          assertEquals( "java", tup2.cluster);
          assertEquals( "java", tup1.cluster);
          
      }
  
      private BundleTuple createBundleTuple( String cnb, File file ) throws MojoExecutionException
      {
          assertTrue( file.exists());
         
         ExamineManifest em = new ExamineManifest( null );
         em.setManifestFile( file );
         em.setPopulateDependencies( true);
         em.checkFile();
         assertEquals( cnb, em.getModule());
         BundleTuple toRet = new BundleTuple( null, em);
                 
         return toRet;
     }
 }