package org.apache.maven.plugin.surefire;
   
   /*
    * 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.execution.MavenExecutionRequest;
  import org.apache.maven.execution.MavenSession;
  import org.apache.maven.plugin.MojoExecutionException;
  import org.apache.maven.plugin.MojoFailureException;
  import org.apache.maven.plugin.logging.Log;
  import org.apache.maven.surefire.cli.CommandLineOption;
  import org.apache.maven.surefire.suite.RunResult;
  
  import java.lang.reflect.InvocationTargetException;
  import java.lang.reflect.Method;
  import java.util.ArrayList;
  import java.util.Collection;
  import java.util.Collections;
  import java.util.List;
  
  /**
   * Helper class for surefire plugins
   */
  public final class SurefireHelper
  {
  
      /**
       * Do not instantiate.
       */
      private SurefireHelper()
      {
          throw new IllegalAccessError( "Utility class" );
      }
  
      public static void reportExecution( SurefireReportParameters reportParameters, RunResult result, Log log )
          throws MojoFailureException, MojoExecutionException
      {
          boolean timeoutOrOtherFailure = result.isFailureOrTimeout();
  
          if ( !timeoutOrOtherFailure )
          {
              if ( result.getCompletedCount() == 0 )
              {
                  if ( ( reportParameters.getFailIfNoTests() == null ) || !reportParameters.getFailIfNoTests() )
                  {
                      return;
                  }
                  throw new MojoFailureException(
                      "No tests were executed!  (Set -DfailIfNoTests=false to ignore this error.)" );
              }
  
              if ( result.isErrorFree() )
              {
                  return;
              }
          }
  
          String msg = timeoutOrOtherFailure
              ? "There was a timeout or other error in the fork"
              : "There are test failures.\n\nPlease refer to " + reportParameters.getReportsDirectory()
                  + " for the individual test results.";
  
          if ( reportParameters.isTestFailureIgnore() )
          {
              log.error( msg );
          }
          else
          {
              if ( result.isFailure() )
              {
                  throw new MojoExecutionException( msg );
              }
              else
              {
                  throw new MojoFailureException( msg );
              }
          }
      }
  
      public static List<CommandLineOption> commandLineOptions( MavenSession session, Log log )
      {
          List<CommandLineOption> cli = new ArrayList<CommandLineOption>();
          if ( log.isErrorEnabled() )
         {
             cli.add( CommandLineOption.LOGGING_LEVEL_ERROR );
         }
 
         if ( log.isWarnEnabled() )
         {
             cli.add( CommandLineOption.LOGGING_LEVEL_WARN );
         }
 
         if ( log.isInfoEnabled() )
         {
             cli.add( CommandLineOption.LOGGING_LEVEL_INFO );
         }
 
         if ( log.isDebugEnabled() )
         {
             cli.add( CommandLineOption.LOGGING_LEVEL_DEBUG );
         }
 
         try
         {
             Method getRequestMethod = session.getClass().getMethod( "getRequest" );
             MavenExecutionRequest request = (MavenExecutionRequest) getRequestMethod.invoke( session );
 
             String f = getFailureBehavior( request );
             if ( f != null )
             {
                 // compatible with enums Maven 3.0
                 cli.add( CommandLineOption.valueOf( f.startsWith( "REACTOR_" ) ? f : "REACTOR_" + f ) );
             }
 
             if ( request.isShowErrors() )
             {
                 cli.add( CommandLineOption.SHOW_ERRORS );
             }
         }
         catch ( Exception e )
         {
             // don't need to log the exception that Maven 2 does not have getRequest() method in Maven Session
         }
         return Collections.unmodifiableList( cli );
     }
 
     public static void logDebugOrCliShowErrors( CharSequence s, Log log, Collection<CommandLineOption> cli )
     {
         if ( cli.contains( CommandLineOption.LOGGING_LEVEL_DEBUG ) )
         {
             log.debug( s );
         }
         else if ( cli.contains( CommandLineOption.SHOW_ERRORS ) )
         {
             if ( log.isDebugEnabled() )
             {
                 log.debug( s );
             }
             else
             {
                 log.info( s );
             }
         }
     }
 
     private static String getFailureBehavior( MavenExecutionRequest request )
         throws NoSuchMethodException, InvocationTargetException, IllegalAccessException
     {
         try
         {
             return request.getFailureBehavior();
         }
         catch ( NoSuchMethodError e )
         {
             return (String) request.getClass()
                 .getMethod( "getReactorFailureBehavior" )
                 .invoke( request );
         }
     }
 
 }