Coverage Report - org.apache.maven.surefire.util.DefaultDirectoryScanner
 
Classes in this File Line Coverage Branch Coverage Complexity
DefaultDirectoryScanner
0 %
0/63
0 %
0/30
2,385
DefaultDirectoryScanner$1
0 %
0/2
N/A
2,385
DefaultDirectoryScanner$2
0 %
0/2
N/A
2,385
 
 1  
 package org.apache.maven.surefire.util;
 2  
 
 3  
 /*
 4  
  * Licensed to the Apache Software Foundation (ASF) under one
 5  
  * or more contributor license agreements.  See the NOTICE file
 6  
  * distributed with this work for additional information
 7  
  * regarding copyright ownership.  The ASF licenses this file
 8  
  * to you under the Apache License, Version 2.0 (the
 9  
  * "License"); you may not use this file except in compliance
 10  
  * with the License.  You may obtain a copy of the License at
 11  
  *
 12  
  *     http://www.apache.org/licenses/LICENSE-2.0
 13  
  *
 14  
  * Unless required by applicable law or agreed to in writing,
 15  
  * software distributed under the License is distributed on an
 16  
  * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 17  
  * KIND, either express or implied.  See the License for the
 18  
  * specific language governing permissions and limitations
 19  
  * under the License.
 20  
  */
 21  
 
 22  
 import java.io.File;
 23  
 import java.util.ArrayList;
 24  
 import java.util.Calendar;
 25  
 import java.util.Collections;
 26  
 import java.util.Comparator;
 27  
 import java.util.List;
 28  
 
 29  
 /**
 30  
  * Scans directories looking for tests.
 31  
  *
 32  
  * @author Karl M. Davis
 33  
  * @author Kristian Rosenvold
 34  
  */
 35  
 public class DefaultDirectoryScanner
 36  
     implements DirectoryScanner
 37  
 {
 38  
 
 39  0
     private static final String FS = System.getProperty( "file.separator" );
 40  
 
 41  0
     private static final String[] EMPTY_STRING_ARRAY = new String[0];
 42  
 
 43  
     private static final String JAVA_SOURCE_FILE_EXTENSION = ".java";
 44  
 
 45  
     private static final String JAVA_CLASS_FILE_EXTENSION = ".class";
 46  
 
 47  
     private final File basedir;
 48  
 
 49  
     private final List includes;
 50  
 
 51  
     private final List excludes;
 52  
 
 53  0
     private final List classesSkippedByValidation = new ArrayList();
 54  
 
 55  
     private final Comparator sortOrder;
 56  
 
 57  
     private final String runOrder;
 58  
 
 59  
 
 60  
     public DefaultDirectoryScanner( File basedir, List includes, List excludes, String runOrder )
 61  0
     {
 62  0
         this.basedir = basedir;
 63  0
         this.includes = includes;
 64  0
         this.excludes = excludes;
 65  0
         this.runOrder = runOrder;
 66  0
         this.sortOrder = getSortOrderComparator( runOrder );
 67  0
     }
 68  
 
 69  
     public TestsToRun locateTestClasses( ClassLoader classLoader, ScannerFilter scannerFilter )
 70  
     {
 71  0
         String[] testClassNames = collectTests();
 72  0
         List result = new ArrayList();
 73  
 
 74  0
         for ( int i = 0; i < testClassNames.length; i++ )
 75  
         {
 76  0
             String className = testClassNames[i];
 77  
 
 78  0
             Class testClass = loadClass( classLoader, className );
 79  
 
 80  0
             if ( scannerFilter == null || scannerFilter.accept( testClass ) )
 81  
             {
 82  0
                 result.add( testClass );
 83  
             }
 84  
             else
 85  
             {
 86  0
                 classesSkippedByValidation.add( testClass );
 87  
             }
 88  
         }
 89  0
         if ( "random".equals( runOrder ) )
 90  
         {
 91  0
             Collections.shuffle( result );
 92  
         }
 93  0
         else if ( sortOrder != null )
 94  
         {
 95  0
             Collections.sort( result, sortOrder );
 96  
         }
 97  0
         return new TestsToRun( result );
 98  
     }
 99  
 
 100  
     private static Class loadClass( ClassLoader classLoader, String className )
 101  
     {
 102  
         Class testClass;
 103  
         try
 104  
         {
 105  0
             testClass = classLoader.loadClass( className );
 106  
         }
 107  0
         catch ( ClassNotFoundException e )
 108  
         {
 109  0
             throw new NestedRuntimeException( "Unable to create test class '" + className + "'", e );
 110  0
         }
 111  0
         return testClass;
 112  
     }
 113  
 
 114  
 
 115  
     String[] collectTests()
 116  
     {
 117  0
         String[] tests = EMPTY_STRING_ARRAY;
 118  0
         if ( basedir.exists() )
 119  
         {
 120  0
             org.codehaus.plexus.util.DirectoryScanner scanner = new org.codehaus.plexus.util.DirectoryScanner();
 121  
 
 122  0
             scanner.setBasedir( basedir );
 123  
 
 124  0
             if ( includes != null )
 125  
             {
 126  0
                 scanner.setIncludes( processIncludesExcludes( includes ) );
 127  
             }
 128  
 
 129  0
             if ( excludes != null )
 130  
             {
 131  0
                 scanner.setExcludes( processIncludesExcludes( excludes ) );
 132  
             }
 133  
 
 134  0
             scanner.scan();
 135  
 
 136  0
             tests = scanner.getIncludedFiles();
 137  0
             for ( int i = 0; i < tests.length; i++ )
 138  
             {
 139  0
                 String test = tests[i];
 140  0
                 test = test.substring( 0, test.indexOf( "." ) );
 141  0
                 tests[i] = test.replace( FS.charAt( 0 ), '.' );
 142  
             }
 143  
         }
 144  0
         return tests;
 145  
     }
 146  
 
 147  
     private static String[] processIncludesExcludes( List list )
 148  
     {
 149  0
         String[] incs = new String[list.size()];
 150  
 
 151  0
         for ( int i = 0; i < incs.length; i++ )
 152  
         {
 153  0
             String inc = (String) list.get( i );
 154  0
             if ( inc.endsWith( JAVA_SOURCE_FILE_EXTENSION ) )
 155  
             {
 156  0
                 inc = new StringBuffer(
 157  
                     inc.length() - JAVA_SOURCE_FILE_EXTENSION.length() + JAVA_CLASS_FILE_EXTENSION.length() ).append(
 158  
                     inc.substring( 0, inc.lastIndexOf( JAVA_SOURCE_FILE_EXTENSION ) ) ).append(
 159  
                     JAVA_CLASS_FILE_EXTENSION ).toString();
 160  
             }
 161  0
             incs[i] = inc;
 162  
 
 163  
         }
 164  0
         return incs;
 165  
     }
 166  
 
 167  
     public List getIncludes()
 168  
     {
 169  0
         return includes;
 170  
     }
 171  
 
 172  
     public List getExcludes()
 173  
     {
 174  0
         return excludes;
 175  
     }
 176  
 
 177  
     public List getClassesSkippedByValidation()
 178  
     {
 179  0
         return classesSkippedByValidation;
 180  
     }
 181  
 
 182  
     private Comparator getSortOrderComparator( String runOrder )
 183  
     {
 184  0
         if ( "alphabetical".equals( runOrder ) )
 185  
         {
 186  0
             return getAlphabeticalComparator();
 187  
         }
 188  
 
 189  0
         else if ( "reversealphabetical".equals( runOrder ) )
 190  
         {
 191  0
             return getReverseAlphabeticalComparator();
 192  
         }
 193  0
         else if ( "hourly".equals( runOrder ) )
 194  
         {
 195  0
             final int hour = Calendar.getInstance().get( Calendar.HOUR_OF_DAY );
 196  0
             return ( ( hour % 2 ) == 0 )
 197  
                 ? getAlphabeticalComparator()
 198  
                 : getReverseAlphabeticalComparator();
 199  
         }
 200  0
         return null;
 201  
     }
 202  
 
 203  
     private Comparator getReverseAlphabeticalComparator()
 204  
     {
 205  0
         return new Comparator()
 206  0
         {
 207  
             public int compare( Object o1, Object o2 )
 208  
             {
 209  0
                 return ( (Class) o2 ).getName().compareTo( ( (Class) o1 ).getName() );
 210  
             }
 211  
         };
 212  
     }
 213  
 
 214  
     private Comparator getAlphabeticalComparator()
 215  
     {
 216  0
         return new Comparator()
 217  0
         {
 218  
             public int compare( Object o1, Object o2 )
 219  
             {
 220  0
                 return ( (Class) o1 ).getName().compareTo( ( (Class) o2 ).getName() );
 221  
             }
 222  
         };
 223  
     }
 224  
 
 225  
 }