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.Collection;
  import java.util.List;
  import java.util.concurrent.ConcurrentLinkedQueue;
  import java.util.concurrent.atomic.AtomicBoolean;
  import java.util.concurrent.atomic.AtomicInteger;
  
  import org.apache.maven.surefire.report.ReportEntry;
  import org.apache.maven.surefire.report.RunListener;
  import org.apache.maven.surefire.report.SimpleReportEntry;
  
  import org.junit.runner.Description;
  
  /**
   * * Represents the test-state of a testset that is run.
   */
  public class TestSet
  {
      private static final InheritableThreadLocal<TestSet> TEST_SET = new InheritableThreadLocal<TestSet>();
  
      private final Description testSetDescription;
  
      private final Collection<TestMethod> testMethods = new ConcurrentLinkedQueue<TestMethod>();
  
      private final AtomicBoolean played = new AtomicBoolean();
  
      private final AtomicInteger numberOfCompletedChildren = new AtomicInteger();
  
      // While the two parameters may seem duplicated, it is not entirely the case,
      // since numberOfTests has the correct value from the start, while testMethods grows as method execution starts.
  
      private final AtomicInteger numberOfTests = new AtomicInteger();
  
      private volatile boolean allScheduled;
  
      public TestSet( Description testSetDescription )
      {
          this.testSetDescription = testSetDescription;
      }
  
      public void replay( RunListener target )
      {
          if ( played.compareAndSet( false, true ) )
          {
              try
              {
                  ReportEntry report = createReportEntry( null );
  
                  target.testSetStarting( report );
  
                  long startTile = 0;
                  long endTime = 0;
                  for ( TestMethod testMethod : testMethods )
                  {
                      if ( startTile == 0 || testMethod.getStartTime() < startTile )
                      {
                          startTile = testMethod.getStartTime();
                      }
  
                      if ( endTime == 0 || testMethod.getEndTime() > endTime )
                      {
                          endTime = testMethod.getEndTime();
                      }
  
                      testMethod.replay( target );
                  }
  
                  int elapsed = (int) ( endTime - startTile );
  
                  report = createReportEntry( elapsed );
  
                  target.testSetCompleted( report );
              }
              catch ( Exception e )
              {
                  throw new RuntimeException( e );
              }
          }
      }
 
     public TestMethod createThreadAttachedTestMethod( ReportEntry description )
     {
         TestMethod testMethod = new TestMethod( description, this );
         addTestMethod( testMethod );
         testMethod.attachToThread();
         return testMethod;
     }
 
     private ReportEntry createReportEntry( Integer elapsed )
     {
         final String className = testSetDescription.getClassName();
         final boolean isJunit3 = className == null;
         final String classNameToUse;
         if ( isJunit3 )
         {
             List<Description> children = testSetDescription.getChildren();
             classNameToUse = children.isEmpty() ? testSetDescription.toString() : children.get( 0 ).getClassName();
         }
         else
         {
             classNameToUse = className;
         }
         return new SimpleReportEntry( classNameToUse, classNameToUse, elapsed );
     }
 
     public void incrementTestMethodCount()
     {
         numberOfTests.incrementAndGet();
     }
 
     private void addTestMethod( TestMethod testMethod )
     {
         testMethods.add( testMethod );
     }
 
     public void incrementFinishedTests( RunListener reporterManager, boolean reportImmediately )
     {
         numberOfCompletedChildren.incrementAndGet();
         if ( allScheduled && isAllTestsDone() && reportImmediately )
         {
             replay( reporterManager );
         }
     }
 
     public void setAllScheduled( RunListener reporterManager )
     {
         allScheduled = true;
         if ( isAllTestsDone() )
         {
             replay( reporterManager );
         }
     }
 
     private boolean isAllTestsDone()
     {
         return numberOfTests.get() == numberOfCompletedChildren.get();
     }
 
     public void attachToThread()
     {
         TEST_SET.set( this );
     }
 
     public static TestSet getThreadTestSet()
     {
         return TEST_SET.get();
     }
 }