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.List;
  
  /**
   * This is a test set for <a href="https://issues.apache.org/jira/browse/MNG-4768">MNG-4768</a>.
   *
   * @author Benjamin Bentmann
   */
  public class MavenITmng4768NearestMatchConflictResolutionTest
      extends AbstractMavenIntegrationTestCase
  {
  
      public MavenITmng4768NearestMatchConflictResolutionTest()
      {
          super( "[2.0.9,)" );
      }
  
      // Ideally, all six permutations of the three direct dependencies should yield the same result...
  
      public void testitABD()
          throws Exception
      {
          testit( "test-abd" );
      }
  
      public void testitADB()
          throws Exception
      {
          requiresMavenVersion( "[3.0-beta-3,)" );
          testit( "test-adb" );
      }
  
      public void testitBAD()
          throws Exception
      {
          testit( "test-bad" );
      }
  
      public void testitBDA()
          throws Exception
      {
          testit( "test-bda" );
      }
  
      public void testitDAB()
          throws Exception
      {
          requiresMavenVersion( "[3.0-beta-3,)" );
          testit( "test-dab" );
      }
  
      public void testitDBA()
          throws Exception
      {
          testit( "test-dba" );
      }
  
      /**
       * Verify that conflict resolution picks the nearest version that matches all hard constraints given by ranges.
       * And for conflicting dependencies on distinct tree levels, "nearest" shouldn't be subject to the dependency
       * order.
       */
      private void testit( String test )
          throws Exception
      {
          File testDir = ResourceExtractor.simpleExtractResources( getClass(), "/mng-4768" );
  
          Verifier verifier = newVerifier( new File( testDir, test ).getAbsolutePath() );
          verifier.setAutoclean( false );
          verifier.deleteDirectory( "target" );
          verifier.deleteArtifacts( "org.apache.maven.its.mng4768" );
          verifier.addCliOption( "-s" );
          verifier.addCliOption( "settings.xml" );
          verifier.filterFile( "../settings-template.xml", "settings.xml", "UTF-8", verifier.newDefaultFilterProperties() );
          verifier.executeGoal( "validate" );
          verifier.verifyErrorFreeLog();
         verifier.resetStreams();
 
         List<String> classpath = verifier.loadLines( "target/classpath.txt", "UTF-8" );
 
         assertTrue( test + " > " + classpath.toString(), classpath.contains( "a-2.0.jar" ) );
         assertTrue( test + " > " + classpath.toString(), classpath.contains( "b-0.1.jar" ) );
         assertTrue( test + " > " + classpath.toString(), classpath.contains( "c-0.1.jar" ) );
         assertTrue( test + " > " + classpath.toString(), classpath.contains( "d-0.1.jar" ) );
 
         assertFalse( test + " > " + classpath.toString(), classpath.contains( "a-2.1.jar" ) );
         assertFalse( test + " > " + classpath.toString(), classpath.contains( "a-1.0.jar" ) );
     }
 
 }