wamblee.org Git - utils/blob - support/general/src/test/java/org/wamblee/io/DirectoryMonitorTest.java

   1 package org.wamblee.io;
   2
   3 import org.apache.oro.io.AwkFilenameFilter;
   4 import org.easymock.EasyMock;
   5
   6 import junit.framework.TestCase;
   7
   8 public class DirectoryMonitorTest extends TestCase {
   9
  10         private static final String REGEX = "^.*\\.txt$";
  11         private static final String FILE1 = "file1.txt";
  12
  13         private TestData _data;
  14         private DirectoryMonitor.Listener _listener;
  15         private DirectoryMonitor _monitor;
  16
  17         @Override
  18         protected void setUp() throws Exception {
  19                 super.setUp();
  20                 _data = new TestData(this);
  21                 _data.clean();
  22                 _listener = EasyMock.createStrictMock(DirectoryMonitor.Listener.class);
  23                 _monitor = new DirectoryMonitor(_data.getRoot(), new AwkFilenameFilter(
  24                                 REGEX), _listener);
  25         }
  26
  27         public void testEmptyDir() {
  28                 // Nothing is expected to be called.
  29                 for (int i = 0; i < 10; i++) {
  30                         EasyMock.replay(_listener);
  31                         _monitor.poll();
  32                         EasyMock.verify(_listener);
  33                         EasyMock.reset(_listener);
  34                 }
  35         }
  36
  37         public void testFileCreated() {
  38                 _listener.fileCreated(_data.getFile(FILE1));
  39                 EasyMock.replay(_listener);
  40                 _data.createFile(FILE1, "hello");
  41                 _monitor.poll();
  42                 EasyMock.verify(_listener);
  43         }
  44
  45         public void testFileDeleted() {
  46                 _data.createFile(FILE1, "hello");
  47                 _monitor.poll();
  48
  49                 EasyMock.reset(_listener);
  50
  51                 _data.deleteFile(FILE1);
  52                 _listener.fileDeleted(_data.getFile(FILE1));
  53                 EasyMock.replay(_listener);
  54                 _monitor.poll();
  55                 EasyMock.verify(_listener);
  56         }
  57
  58         public void testFileChanged() throws InterruptedException {
  59                 _data.createFile(FILE1, "hello");
  60                 _monitor.poll();
  61                 EasyMock.reset(_listener);
  62
  63                 Thread.sleep(2000);
  64                 _data.deleteFile(FILE1);
  65                 _data.createFile(FILE1, "bla");
  66
  67                 _listener.fileChanged(_data.getFile(FILE1));
  68                 EasyMock.replay(_listener);
  69                 _monitor.poll();
  70                 EasyMock.verify(_listener);
  71         }
  72
  73         public void testFileFilterIsUsed() {
  74                 _monitor.poll();
  75
  76                 _data.createFile("file.xml", "hello");
  77                 EasyMock.replay(_listener);
  78                 _monitor.poll();
  79                 EasyMock.verify(_listener);
  80         }
  81
  82         public void testDirectoryIsIgnored() {
  83                 _monitor.poll();
  84                 _data.createDir(FILE1);
  85                 EasyMock.replay(_listener);
  86                 _monitor.poll();
  87                 EasyMock.verify(_listener);
  88         }
  89
  90         public void testExceptionsWIllLeadToRepeatedNotifications() {
  91                 _monitor.poll();
  92                 _data.createFile(FILE1, "hello");
  93
  94                 _listener.fileCreated(_data.getFile(FILE1));
  95                 EasyMock.expectLastCall().andThrow(new RuntimeException());
  96                 EasyMock.replay(_listener);
  97                 try {
  98                     _monitor.poll();
  99                 } catch (RuntimeException e) {
 100                         EasyMock.verify(_listener);
 101                         EasyMock.reset(_listener);
 102
 103                         // polling again should lead to the same filecreated call.
 104                         // this time no exception is thrown.
 105
 106                         _listener.fileCreated(_data.getFile(FILE1));
 107                         EasyMock.replay(_listener);
 108                         _monitor.poll();
 109                         EasyMock.verify(_listener);
 110                         return;
 111                 }
 112                 fail(); // should not get here.
 113
 114
 115         }
 116 }