package org.apache.maven.it;
   
   /*
    * 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.
   */
  
  import org.apache.maven.it.util.ResourceExtractor;
  
  import java.io.File;
  import java.util.ArrayList;
  import java.util.Arrays;
  import java.util.Collections;
  import java.util.List;
  import java.util.Properties;
  
  /**
   * This is a test set for <a href="https://issues.apache.org/jira/browse/MNG-187">MNG-187</a>.
   *
   * @author Benjamin Bentmann
   */
  public class MavenITmng0187CollectedProjectsTest
      extends AbstractMavenIntegrationTestCase
  {
  
      public MavenITmng0187CollectedProjectsTest()
      {
          super( ALL_MAVEN_VERSIONS );
      }
  
      /**
       * Verify that MavenProject.getCollectedProjects() provides access to the direct and indirect modules
       * of the current project.
       *
       * @throws Exception in case of failure
       */
      public void testit()
          throws Exception
      {
          File testDir = ResourceExtractor.simpleExtractResources( getClass(), "/mng-0187" );
  
          Verifier verifier = newVerifier( testDir.getAbsolutePath() );
          verifier.setAutoclean( false );
          verifier.deleteDirectory( "target" );
          verifier.deleteDirectory( "sub-1/target" );
          verifier.deleteDirectory( "sub-1/sub-2/target" );
          verifier.executeGoal( "validate" );
          verifier.verifyErrorFreeLog();
          verifier.resetStreams();
  
          Properties props;
  
          props = verifier.loadProperties( "target/project.properties" );
          assertEquals( "2", props.getProperty( "project.collectedProjects.size" ) );
          assertEquals( Arrays.asList( new String[]{ "sub-1", "sub-2" } ), getProjects( props ) );
  
          props = verifier.loadProperties( "sub-1/target/project.properties" );
          assertEquals( "1", props.getProperty( "project.collectedProjects.size" ) );
          assertEquals( Arrays.asList( new String[]{ "sub-2" } ), getProjects( props ) );
  
          props = verifier.loadProperties( "sub-1/sub-2/target/project.properties" );
          assertEquals( "0", props.getProperty( "project.collectedProjects.size" ) );
          assertEquals( Arrays.asList( new String[]{} ), getProjects( props ) );
      }
  
      private List<String> getProjects( Properties props )
      {
          List<String> projects = new ArrayList<>();
  
          for ( Object o : props.keySet() )
          {
              String key = o.toString();
              if ( key.startsWith( "project.collectedProjects." ) && !key.endsWith( ".size" ) )
              {
                  projects.add( props.getProperty( key ) );
              }
          }
  
          Collections.sort( projects );
  
          return projects;
      }
  
  }