package org.apache.maven.plugins.surefire.report;

 /*

  * 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.io.File;

 import java.io.IOException;

 import java.text.NumberFormat;

 import java.util.ArrayList;

 import java.util.Collection;

 import java.util.Collections;

 import java.util.HashMap;

 import java.util.List;

 import java.util.Locale;

 import java.util.Map;

 import org.apache.maven.reporting.MavenReportException;

 import org.apache.maven.shared.utils.StringUtils;

 import org.apache.maven.shared.utils.io.DirectoryScanner;

 import javax.xml.parsers.ParserConfigurationException;

 import org.xml.sax.SAXException;

 /**

  *

  */

 public class SurefireReportParser

 {

     private static final String INCLUDES = "*.xml";

     private static final String EXCLUDES = "*.txt, testng-failed.xml, testng-failures.xml, testng-results.xml, failsafe-summary*.xml";

     private NumberFormat numberFormat = NumberFormat.getInstance();

     private List<File> reportsDirectories;

     private final List<ReportTestSuite> testSuites = new ArrayList<ReportTestSuite>();

     private static final int PCENT = 100;

     public SurefireReportParser()

     {

     }

     public SurefireReportParser( List<File> reportsDirectoriesFiles, Locale locale )

     {

         this.reportsDirectories = reportsDirectoriesFiles;

         setLocale( locale );

     }

     public List<ReportTestSuite> parseXMLReportFiles()

         throws MavenReportException

     {

         List<File> xmlReportFileList = new ArrayList<File>();

         for ( File reportsDirectory : reportsDirectories )

         {

             if ( !reportsDirectory.exists() )

             {

                 continue;

             }

             String[] xmlReportFiles = getIncludedFiles( reportsDirectory, INCLUDES, EXCLUDES );

             for ( String xmlReportFile : xmlReportFiles )

             {

                 File xmlReport = new File( reportsDirectory, xmlReportFile );

                 xmlReportFileList.add( xmlReport );

             }

         }

         TestSuiteXmlParser parser = new TestSuiteXmlParser();

         for ( File aXmlReportFileList : xmlReportFileList )

         {

             Collection<ReportTestSuite> suites;

             try

             {

                 suites = parser.parse( aXmlReportFileList.getAbsolutePath() );

             }

             catch ( ParserConfigurationException e )

             {

                 throw new MavenReportException( "Error setting up parser for JUnit XML report", e );

             }

             catch ( SAXException e )

             {

                 throw new MavenReportException( "Error parsing JUnit XML report " + aXmlReportFileList, e );

             }

             catch ( IOException e )

             {

                 throw new MavenReportException( "Error reading JUnit XML report " + aXmlReportFileList, e );

             }

             testSuites.addAll( suites );

         }

         return testSuites;

     }

     protected String parseTestSuiteName( String lineString )

     {

         return lineString.substring( lineString.lastIndexOf( "." ) + 1, lineString.length() );

     }

     protected String parseTestSuitePackageName( String lineString )

     {

         return lineString.substring( lineString.indexOf( ":" ) + 2, lineString.lastIndexOf( "." ) );

     }

     protected String parseTestCaseName( String lineString )

     {

         return lineString.substring( 0, lineString.indexOf( "(" ) );

     }

     public Map<String, String> getSummary( List<ReportTestSuite> suites )

     {

         Map<String, String> totalSummary = new HashMap<String, String>();

         int totalNumberOfTests = 0;

         int totalNumberOfErrors = 0;

         int totalNumberOfFailures = 0;

         int totalNumberOfSkipped = 0;

         float totalElapsedTime = 0.0f;

         for ( ReportTestSuite suite : suites )

         {

             totalNumberOfTests += suite.getNumberOfTests();

             totalNumberOfErrors += suite.getNumberOfErrors();

             totalNumberOfFailures += suite.getNumberOfFailures();

             totalNumberOfSkipped += suite.getNumberOfSkipped();

             totalElapsedTime += suite.getTimeElapsed();

         }

         String totalPercentage =

             computePercentage( totalNumberOfTests, totalNumberOfErrors, totalNumberOfFailures, totalNumberOfSkipped );

         totalSummary.put( "totalTests", Integer.toString( totalNumberOfTests ) );

         totalSummary.put( "totalErrors", Integer.toString( totalNumberOfErrors ) );

         totalSummary.put( "totalFailures", Integer.toString( totalNumberOfFailures ) );

         totalSummary.put( "totalSkipped", Integer.toString( totalNumberOfSkipped ) );

         totalSummary.put( "totalElapsedTime", numberFormat.format( totalElapsedTime ) );

         totalSummary.put( "totalPercentage", totalPercentage );

         return totalSummary;

     }

     public void setReportsDirectory( File reportsDirectory )

     {

         this.reportsDirectories = Collections.singletonList( reportsDirectory );

     }

     public final void setLocale( Locale locale )

     {

         numberFormat = NumberFormat.getInstance( locale );

     }

     public NumberFormat getNumberFormat()

     {

         return this.numberFormat;

     }

     public Map<String, List<ReportTestSuite>> getSuitesGroupByPackage( List<ReportTestSuite> testSuitesList )

     {

         Map<String, List<ReportTestSuite>> suitePackage = new HashMap<String, List<ReportTestSuite>>();

         for ( ReportTestSuite suite : testSuitesList )

         {

             List<ReportTestSuite> suiteList = new ArrayList<ReportTestSuite>();

             if ( suitePackage.get( suite.getPackageName() ) != null )

             {

                 suiteList = suitePackage.get( suite.getPackageName() );

             }

             suiteList.add( suite );

             suitePackage.put( suite.getPackageName(), suiteList );

         }

         return suitePackage;

     }

     public String computePercentage( int tests, int errors, int failures, int skipped )

     {

         float percentage;

         if ( tests == 0 )

         {

             percentage = 0;

         }

         else

         {

             percentage = ( (float) ( tests - errors - failures - skipped ) / (float) tests ) * PCENT;

         }

         return numberFormat.format( percentage );

     }

     public List<ReportTestCase> getFailureDetails( List<ReportTestSuite> testSuitesList )

     {

         List<ReportTestCase> failureDetailList = new ArrayList<ReportTestCase>();

         for ( ReportTestSuite suite : testSuitesList )

         {

             List<ReportTestCase> testCaseList = suite.getTestCases();

             if ( testCaseList != null )

             {

                 for ( ReportTestCase tCase : testCaseList )

                 {

                     if ( tCase.getFailure() != null )

                     {

                         failureDetailList.add( tCase );

                     }

                 }

             }

         }

         return failureDetailList;

     }

     /**

      * Returns {@code true} if the specified directory contains at least one report file.

      *

      * @param directory the directory

      * @return {@code true} if the specified directory contains at least one report file.

      */

     public static boolean hasReportFiles( File directory )

     {

         return directory != null && directory.isDirectory()

             && getIncludedFiles( directory, INCLUDES, EXCLUDES ).length > 0;

     }

     private static String[] getIncludedFiles( File directory, String includes, String excludes )

     {

         DirectoryScanner scanner = new DirectoryScanner();

         scanner.setBasedir( directory );

         scanner.setIncludes( StringUtils.split( includes, "," ) );

         scanner.setExcludes( StringUtils.split( excludes, "," ) );

         scanner.scan();

         return scanner.getIncludedFiles();

     }

 }