package org.apache.maven.surefire.junitcore;
   
   /*
    * 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 java.util.Map;
  import org.apache.maven.surefire.report.ConsoleOutputReceiver;
  import org.apache.maven.surefire.report.ConsoleStream;
  import org.apache.maven.surefire.report.ReportEntry;
  import org.apache.maven.surefire.report.ReporterFactory;
  import org.apache.maven.surefire.report.RunListener;
  import org.apache.maven.surefire.report.StackTraceWriter;
  import org.apache.maven.surefire.report.TestSetReportEntry;
  import org.apache.maven.surefire.testset.TestSetFailedException;
  
  import static org.apache.maven.surefire.junitcore.TestMethod.getThreadTestMethod;
  
  /**
   * Handles responses from concurrent junit
   * <br>
   * Stuff to remember about JUnit threading:
   * parallel=classes; beforeClass/afterClass, constructor and all tests method run on same thread
   * parallel=methods; beforeClass/afterClass run on main thread, constructor + each test method run on same thread
   * parallel=both; same as parallel=methods
   *
   * @see org.apache.maven.surefire.junitcore.JUnitCoreRunListener for details about regular junit run listening
   * @author Kristian Rosenvold
   */
  public abstract class ConcurrentRunListener
      implements RunListener, ConsoleOutputReceiver
  {
      private final Map<String, TestSet> classMethodCounts;
  
      private final ThreadLocal<RunListener> reporterManagerThreadLocal;
  
      private final boolean reportImmediately;
  
      private final ConsoleStream consoleStream;
  
      ConcurrentRunListener( final ReporterFactory reporterFactory, ConsoleStream consoleStream,
                             boolean reportImmediately, Map<String, TestSet> classMethodCounts )
          throws TestSetFailedException
      {
          this.reportImmediately = reportImmediately;
          this.classMethodCounts = classMethodCounts;
          this.consoleStream = consoleStream;
          reporterManagerThreadLocal = new ThreadLocal<RunListener>()
          {
              @Override
              protected RunListener initialValue()
              {
                  return reporterFactory.createReporter();
              }
          };
      }
  
      @Override
      public void testSetStarting( TestSetReportEntry description )
      {
      }
  
      @Override
      public void testSetCompleted( TestSetReportEntry result )
      {
          try
          {
              final RunListener reporterManager = getRunListener();
              for ( TestSet testSet : classMethodCounts.values() )
              {
                  testSet.replay( reporterManager );
              }
          }
          finally
          {
              reporterManagerThreadLocal.remove();
          }
      }
  
      @Override
      public void testFailed( ReportEntry failure )
      {
          final TestMethod testMethod = getOrCreateThreadAttachedTestMethod( failure );
          if ( testMethod != null )
         {
             testMethod.testFailure( failure );
             testMethod.detachFromCurrentThread();
         }
     }
 
     @Override
     public void testError( ReportEntry failure )
     {
         final TestMethod testMethod = getOrCreateThreadAttachedTestMethod( failure );
         if ( testMethod != null )
         {
             testMethod.testError( failure );
             testMethod.detachFromCurrentThread();
         }
     }
 
     @Override
     public void testSkipped( ReportEntry description )
     {
         TestSet testSet = getTestSet( description );
         TestMethod testMethod = testSet.createThreadAttachedTestMethod( description );
         testMethod.testIgnored( description );
         testSet.incrementFinishedTests( getRunListener(), reportImmediately );
         testMethod.detachFromCurrentThread();
     }
 
     @Override
     public void testExecutionSkippedByUser()
     {
         // cannot guarantee proper call to all listeners
         getRunListener().testExecutionSkippedByUser();
     }
 
     @Override
     public void testAssumptionFailure( ReportEntry failure )
     {
         final TestMethod testMethod = getOrCreateThreadAttachedTestMethod( failure );
         if ( testMethod != null )
         {
             testMethod.testAssumption( failure );
             testMethod.detachFromCurrentThread();
         }
     }
 
     @Override
     public void testStarting( ReportEntry description )
     {
         TestSet testSet = getTestSet( description );
         testSet.createThreadAttachedTestMethod( description );
 
         checkIfTestSetCanBeReported( testSet );
         testSet.attachToThread();
     }
 
     @Override
     public void testSucceeded( ReportEntry report )
     {
         TestMethod testMethod = getThreadTestMethod();
         if ( testMethod != null )
         {
             testMethod.testFinished();
             testMethod.getTestSet().incrementFinishedTests( getRunListener(), reportImmediately );
             testMethod.detachFromCurrentThread();
         }
     }
 
     private TestMethod getOrCreateThreadAttachedTestMethod( ReportEntry description )
     {
         TestMethod threadTestMethod = getThreadTestMethod();
         if ( threadTestMethod != null )
         {
             return threadTestMethod;
         }
         TestSet testSet = getTestSet( description );
         if ( testSet == null )
         {
             consoleStream.println( description.getName() );
             StackTraceWriter writer = description.getStackTraceWriter();
             if ( writer != null )
             {
                 consoleStream.println( writer.writeTraceToString() );
             }
             return null;
         }
         else
         {
             return testSet.createThreadAttachedTestMethod( description );
         }
     }
 
     protected abstract void checkIfTestSetCanBeReported( TestSet testSetForTest );
 
     private TestSet getTestSet( ReportEntry description )
     {
         return classMethodCounts.get( description.getSourceName() );
     }
 
     RunListener getRunListener()
     {
         return reporterManagerThreadLocal.get();
     }
 
     public static ConcurrentRunListener createInstance( Map<String, TestSet> classMethodCounts,
                                                             ReporterFactory reporterFactory,
                                                             boolean parallelClasses, boolean parallelBoth,
                                                             ConsoleStream consoleStream )
         throws TestSetFailedException
     {
         return parallelClasses
             ? new ClassesParallelRunListener( classMethodCounts, reporterFactory, consoleStream )
             : new MethodsParallelRunListener( classMethodCounts, reporterFactory, !parallelBoth, consoleStream );
     }
 
 
     @Override
     public void writeTestOutput( byte[] buf, int off, int len, boolean stdout )
     {
         TestMethod threadTestMethod = getThreadTestMethod();
         if ( threadTestMethod != null )
         {
             LogicalStream logicalStream = threadTestMethod.getLogicalStream();
             logicalStream.write( stdout, buf, off, len );
         }
         else
         {
             // Not able to associate output with any thread. Just dump to console
             consoleStream.println( buf, off, len );
         }
     }
 }