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.io.IOException;
  import java.util.Iterator;
  import java.util.List;
  import java.util.regex.Pattern;
  
  import junit.framework.TestCase;
  
  /**
   * This is a test set for <a href="http://jira.codehaus.org/browse/MNG-2690">MNG-2690</a>.
   * 
   * It checks, at the most basic level possible, that the plugin manager is intercepting things like
   * {@link NoClassDefFoundError} and ComponntLookupException, then throwing user-friendly errors when loading and
   * configuring a mojo.
   * 
   * @author jdcasey
   */
  public class MavenITmng2690MojoLoadingErrorsTest
      extends AbstractMavenIntegrationTestCase
  {
  
      public MavenITmng2690MojoLoadingErrorsTest()
      {
          super( "(2.1.0-M1,)" );
      }
  
      public void testNoClassDefFromMojoLoad()
          throws IOException, VerificationException
      {
          File testDir = ResourceExtractor.simpleExtractResources( getClass(), "/mng-2690/noclassdef-mojo" );
  
          Verifier verifier = newVerifier( testDir.getAbsolutePath() );
          verifier.setAutoclean( false );
  
          try
          {
              verifier.executeGoal( "validate" );
  
              fail( "should throw an error during execution." );
          }
          catch ( VerificationException e )
          {
              // expected...it'd be nice if we could get the specifics of the exception right here...
          }
          finally
          {
              verifier.resetStreams();
          }
  
          List lines = verifier.loadFile( new File( testDir, "log.txt" ), false );
  
          int msg = indexOf( lines, "(?i).*required class is missing.*" );
          assertTrue( "User-friendly message was not found in output.", msg >= 0 );
  
          int cls = lines.get( msg ).toString().replace( '/', '.' ).indexOf( TestCase.class.getName() );
          assertTrue( "Missing class name was not found in output.", cls >= 0 );
      }
  
      public void testNoClassDefFromMojoConfiguration()
          throws IOException, VerificationException
      {
          File testDir = ResourceExtractor.simpleExtractResources( getClass(), "/mng-2690/noclassdef-param" );
  
          Verifier verifier = newVerifier( testDir.getAbsolutePath() );
          verifier.setAutoclean( false );
  
          try
          {
              verifier.executeGoal( "validate" );
  
              fail( "should throw an error during execution." );
          }
          catch ( VerificationException e )
          {
              // expected...it'd be nice if we could get the specifics of the exception right here...
          }
         finally
         {
             verifier.resetStreams();
         }
 
         List lines = verifier.loadFile( new File( testDir, "log.txt" ), false );
 
         int msg = indexOf( lines, "(?i).*required class (i|wa)s missing( during (mojo )?configuration)?.*" );
         assertTrue( "User-friendly message was not found in output.", msg >= 0 );
 
         int cls = lines.get( msg ).toString().replace( '/', '.' ).indexOf( TestCase.class.getName() );
         assertTrue( "Missing class name was not found in output.", cls >= 0 );
     }
 
     public void testMojoComponentLookupException()
         throws IOException, VerificationException
     {
         File testDir = ResourceExtractor.simpleExtractResources( getClass(), "/mng-2690/mojo-complookup" );
 
         Verifier verifier = newVerifier( testDir.getAbsolutePath() );
         verifier.setAutoclean( false );
 
         try
         {
             verifier.executeGoal( "validate" );
 
             fail( "should throw an error during execution." );
         }
         catch ( VerificationException e )
         {
             // expected...it'd be nice if we could get the specifics of the exception right here...
         }
         finally
         {
             verifier.resetStreams();
         }
 
         List lines = verifier.loadFile( new File( testDir, "log.txt" ), false );
 
         String compLookupMsg =
             "(?i).*unable to .* mojo 'mojo-component-lookup-exception' .* plugin "
                 + "'org\\.apache\\.maven\\.its\\.plugins:maven-it-plugin-error.*";
 
         assertTrue( "User-friendly message was not found in output.", indexOf( lines, compLookupMsg ) > 0 );
     }
 
     public void testMojoRequirementComponentLookupException()
         throws IOException, VerificationException
     {
         File testDir = ResourceExtractor.simpleExtractResources( getClass(), "/mng-2690/requirement-complookup" );
 
         Verifier verifier = newVerifier( testDir.getAbsolutePath() );
         verifier.setAutoclean( false );
 
         try
         {
             verifier.executeGoal( "validate" );
 
             fail( "should throw an error during execution." );
         }
         catch ( VerificationException e )
         {
             // expected...it'd be nice if we could get the specifics of the exception right here...
         }
         finally
         {
             verifier.resetStreams();
         }
 
         List lines = verifier.loadFile( new File( testDir, "log.txt" ), false );
 
         String compLookupMsg =
             "(?i).*unable to .* mojo 'requirement-component-lookup-exception' .* plugin "
                 + "'org\\.apache\\.maven\\.its\\.plugins:maven-it-plugin-error.*";
 
         assertTrue( "User-friendly message was not found in output.", indexOf( lines, compLookupMsg ) > 0 );
     }
 
     private int indexOf( List logLines, String regex )
     {
         Pattern pattern = Pattern.compile( regex );
 
         for ( int i = 0; i < logLines.size(); i++ )
         {
             String logLine = (String) logLines.get( i );
 
             if ( pattern.matcher( logLine ).matches() )
             {
                 return i;
             }
         }
 
         return -1;
     }
 
 }