package org.apache.maven.surefire.its.misc;
   /*
    * 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.its.IntegrationTestSuiteResults;
  
  import java.io.File;
  import java.util.ArrayList;
  import java.util.List;
  import java.util.Locale;
  
  import junit.framework.Assert;
  
  @SuppressWarnings( { "JavaDoc" } )
  public class HelperAssertions
  {
      /**
       * assert that the reports in the specified testDir have the right summary statistics
       */
      public static void assertTestSuiteResults( int total, int errors, int failures, int skipped, File testDir )
      {
          IntegrationTestSuiteResults suite = parseTestResults( new File[]{ testDir } );
          assertTestSuiteResults( total, errors, failures, skipped, suite );
      }
  
      public static void assertTestSuiteResults( int total, int errors, int failures, int skipped,
                                                    IntegrationTestSuiteResults actualSuite )
      {
          Assert.assertEquals( "wrong number of tests", total, actualSuite.getTotal() );
          Assert.assertEquals( "wrong number of errors", errors, actualSuite.getErrors() );
          Assert.assertEquals( "wrong number of failures", failures, actualSuite.getFailures() );
          Assert.assertEquals( "wrong number of skipped", skipped, actualSuite.getSkipped() );
      }
  
      public static IntegrationTestSuiteResults parseTestResults( File testDir )
      {
          return parseTestResults( new File[]{ testDir } );
      }
  
      public static IntegrationTestSuiteResults parseTestResults( File[] testDirs )
      {
          List<ReportTestSuite> reports = extractReports( testDirs );
          return parseReportList( reports );
      }
  
      /**
       * Converts a list of ReportTestSuites into an IntegrationTestSuiteResults object, suitable for summary assertions
       */
      public static IntegrationTestSuiteResults parseReportList( List<ReportTestSuite> reports )
      {
          Assert.assertTrue( "No reports!", reports.size() > 0 );
          int total = 0, errors = 0, failures = 0, skipped = 0;
          for ( int i = 0; i < reports.size(); i++ )
          {
              ReportTestSuite suite = (ReportTestSuite) reports.get( i );
              total += suite.getNumberOfTests();
              errors += suite.getNumberOfErrors();
              failures += suite.getNumberOfFailures();
              skipped += suite.getNumberOfSkipped();
          }
          return new IntegrationTestSuiteResults( total, errors, failures, skipped );
      }
  
      public static List<ReportTestSuite> extractReports( File[] testDirs )
      {
          List<File> reportsDirs = new ArrayList<File>();
          for ( int i = 0; i < testDirs.length; i++ )
          {
              File testDir = testDirs[i];
              File reportsDir = new File( testDir, "target/surefire-reports" );
              Assert.assertTrue( "Reports directory is missing: " + reportsDir.getAbsolutePath(), reportsDir.exists() );
              reportsDirs.add( reportsDir );
          }
          SurefireReportParser parser = new SurefireReportParser( reportsDirs, Locale.getDefault() );
          List<ReportTestSuite> reports;
          try
          {
              reports = parser.parseXMLReportFiles();
          }
          catch ( Exception e )
          {
              throw new RuntimeException( "Couldn't parse XML reports", e );
          }
         return reports;
     }
 }