package org.apache.maven.surefire.booter;
   
   /*
    * 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.suite.RunResult;
  
  import static org.apache.maven.surefire.util.internal.StringUtils.isNotBlank;
  
  /**
   * Encapsulates exceptions thrown during Surefire forking.
   */
  public class SurefireBooterForkException
      extends Exception
  {
      public SurefireBooterForkException( String message, RunResult runResult )
      {
          this( message, null, null, runResult );
      }
  
      public SurefireBooterForkException( String message, String rethrownMessage, Throwable rethrownCause,
                                          RunResult runResult )
      {
          super( toString( message, rethrownMessage, rethrownCause, runResult ), rethrownCause );
      }
  
      public SurefireBooterForkException( String message, Throwable cause )
      {
          super( message, cause );
      }
  
      public SurefireBooterForkException( String msg )
      {
          super( msg );
      }
  
      private static String toString( String message, String rethrownMessage, Throwable rethrownCause,
                                      RunResult runResult )
      {
          return toNewLines( message,
                                   rethrownMessage,
                                   rethrownCause == null ? null : rethrownCause.getLocalizedMessage(),
                                   runResult == null ? null : runResult.getFailure(),
                                   runResult == null ? null : toString( runResult ) );
      }
  
      private static String toString( RunResult runResult )
      {
          return "Fatal Tests run: " + runResult.getCompletedCount()
                         + ", Failures: " + runResult.getFailures()
                         + ", Errors: " + runResult.getErrors()
                         + ", Skipped: " + runResult.getSkipped()
                         + ", Flakes: " + runResult.getFlakes()
                         + ", Elapsed timeout: " + runResult.isTimeout();
      }
  
      private static String toNewLines( String... messages )
      {
          StringBuilder result = new StringBuilder();
          for ( String message : messages )
          {
              if ( isNotBlank( message ) )
              {
                  if ( result.length() == 0 )
                  {
                      result.append( '\n' );
                  }
                  result.append( message );
              }
          }
          return result.toString();
      }
  }