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 org.apache.maven.surefire.common.junit4.JUnit4RunListener;
  import org.apache.maven.surefire.common.junit48.JUnit46StackTraceWriter;
  import org.apache.maven.surefire.report.RunListener;
  import org.apache.maven.surefire.report.StackTraceWriter;
  import org.junit.runner.Description;
  import org.junit.runner.Result;
  import org.junit.runner.notification.Failure;
  
  import java.util.Map;
  
  /**
   * Noteworthy things about JUnit4 listening:
   * <br>
   * A class that is annotated with @Ignore will have one invocation of "testSkipped" with source==name
   * A method that is annotated with @Ignore will have a invocation of testSkipped with source and name distinct
   * Methods annotated with @Ignore trigger no further events.
   *
   * @see org.apache.maven.surefire.junitcore.ConcurrentRunListener for details about parallel running
   */
  public class JUnitCoreRunListener
      extends JUnit4RunListener
  {
      private final Map<String, TestSet> classMethodCounts;
  
      /**
       * @param reporter          the report manager to log testing events to
       * @param classMethodCounts A map of methods
       */
      public JUnitCoreRunListener( RunListener reporter, Map<String, TestSet> classMethodCounts )
      {
          super( reporter );
          this.classMethodCounts = classMethodCounts;
      }
  
      /**
       * Called right before any tests from a specific class are run.
       *
       * @see org.junit.runner.notification.RunListener#testRunStarted(org.junit.runner.Description)
       */
      @Override
      public void testRunStarted( Description description )
          throws Exception
      {
          fillTestCountMap( description );
          reporter.testSetStarting( null ); // Not entirely meaningful as we can see
      }
  
      @Override
      public void testRunFinished( Result result )
          throws Exception
      {
          try
          {
              reporter.testSetCompleted( null );
          }
          finally
          {
              classMethodCounts.clear();
          }
      }
  
      private void fillTestCountMap( Description testDesc )
      {
          for ( Description child : testDesc.getChildren() )
          {
              if ( !asTestLeaf( child ) )
              {
                  fillTestCountMap( child );
              }
          }
      }
  
      private boolean asTestLeaf( Description description )
      {
          if ( description.isTest() )
          {
              final String testClassName = extractDescriptionClassName( description );
              if ( testClassName != null )
             {
                 final TestSet testSet;
                 if ( classMethodCounts.containsKey( testClassName ) )
                 {
                     testSet = classMethodCounts.get( testClassName );
                 }
                 else
                 {
                     testSet = new TestSet( testClassName );
                     classMethodCounts.put( testClassName, testSet );
                 }
                 testSet.incrementTestMethodCount();
             }
             return true;
         }
         else
         {
             return false;
         }
     }
 
     @Override
     protected StackTraceWriter createStackTraceWriter( Failure failure )
     {
         return new JUnit46StackTraceWriter( failure );
     }
 
     @Override
     protected String extractDescriptionClassName( Description description )
     {
         return description.getClassName();
     }
 
     @Override
     protected String extractDescriptionMethodName( Description description )
     {
         return description.getMethodName();
     }
 }