Author: rgoers
Date: Wed Mar 11 23:18:58 2009
New Revision: 752689
URL: http://svn.apache.org/viewvc?rev=752689&view=rev
Log:
Add unit test for DefaultFileMonitor
Added:
commons/proper/vfs/trunk/core/src/test/java/org/apache/commons/vfs/impl/test/DefaultFileMonitorTests.java
Added:
commons/proper/vfs/trunk/core/src/test/java/org/apache/commons/vfs/impl/test/DefaultFileMonitorTests.java
URL:
http://svn.apache.org/viewvc/commons/proper/vfs/trunk/core/src/test/java/org/apache/commons/vfs/impl/test/DefaultFileMonitorTests.java?rev=752689&view=auto
==============================================================================
---
commons/proper/vfs/trunk/core/src/test/java/org/apache/commons/vfs/impl/test/DefaultFileMonitorTests.java
(added)
+++
commons/proper/vfs/trunk/core/src/test/java/org/apache/commons/vfs/impl/test/DefaultFileMonitorTests.java
Wed Mar 11 23:18:58 2009
@@ -0,0 +1,122 @@
+package org.apache.commons.vfs.impl.test;
+
+import org.apache.commons.AbstractVfsTestCase;
+import org.apache.commons.vfs.FileObject;
+import org.apache.commons.vfs.FileChangeEvent;
+import org.apache.commons.vfs.FileSystemManager;
+import org.apache.commons.vfs.VFS;
+import org.apache.commons.vfs.FileListener;
+import org.apache.commons.vfs.impl.DefaultFileMonitor;
+
+import java.io.File;
+import java.io.FileWriter;
+
+/**
+ * Test to verify DefaultFileMonitor
+ */
+public class DefaultFileMonitorTests extends AbstractVfsTestCase
+{
+ private FileSystemManager fsManager;
+ private File testDir;
+ private int changeStatus = 0;
+ private File testFile;
+
+ public void setUp() throws Exception
+ {
+ super.setUp();
+ fsManager = VFS.getManager();
+ testDir = AbstractVfsTestCase.getTestDirectoryFile();
+ changeStatus = 0;
+ testFile = new File(testDir, "testReload.properties");
+
+ if (testFile.exists())
+ {
+ testFile.delete();
+ }
+ }
+
+ public void tearDown() throws Exception
+ {
+ if (testFile != null && testFile.exists())
+ {
+ testFile.delete();
+ }
+ super.tearDown();
+ }
+
+ public void testFileCreated() throws Exception
+ {
+ FileObject fileObj =
fsManager.resolveFile(testFile.toURL().toString());
+ DefaultFileMonitor monitor = new DefaultFileMonitor(new
TestFileListener());
+ monitor.setDelay(100);
+ monitor.addFile(fileObj);
+ monitor.start();
+ writeToFile(testFile);
+ Thread.sleep(500);
+ assertTrue("No event occurred", changeStatus != 0);
+ assertTrue("Incorrect event", changeStatus == 3);
+ monitor.stop();
+ }
+
+ public void testFileDeleted() throws Exception
+ {
+ writeToFile(testFile);
+ FileObject fileObj =
fsManager.resolveFile(testFile.toURL().toString());
+ DefaultFileMonitor monitor = new DefaultFileMonitor(new
TestFileListener());
+ monitor.setDelay(100);
+ monitor.addFile(fileObj);
+ monitor.start();
+ testFile.delete();
+ Thread.sleep(500);
+ assertTrue("No event occurred", changeStatus != 0);
+ assertTrue("Incorrect event", changeStatus == 2);
+ monitor.stop();
+ }
+
+ public void testFileModified() throws Exception
+ {
+ writeToFile(testFile);
+ FileObject fileObj =
fsManager.resolveFile(testFile.toURL().toString());
+ DefaultFileMonitor monitor = new DefaultFileMonitor(new
TestFileListener());
+ monitor.setDelay(100);
+ monitor.addFile(fileObj);
+ monitor.start();
+ // Need a long delay to insure the new timestamp doesn't truncate to
be the same as
+ // the current timestammp. Java only guarantees the timestamp will be
to 1 second.
+ Thread.sleep(1000);
+ long value = System.currentTimeMillis();
+ boolean rc = testFile.setLastModified(value);
+ Thread.sleep(300);
+ assertTrue("No event occurred", changeStatus != 0);
+ assertTrue("Incorrect event", changeStatus == 1);
+ monitor.stop();
+ }
+
+ private void writeToFile(File file) throws Exception
+ {
+ FileWriter out = new FileWriter(file);
+ out.write("string=value1");
+ out.flush();
+ out.close();
+ }
+
+
+ public class TestFileListener implements FileListener
+ {
+ public void fileChanged(FileChangeEvent event) throws Exception
+ {
+ changeStatus = 1;
+ }
+
+ public void fileDeleted(FileChangeEvent event) throws Exception
+ {
+ changeStatus = 2;
+ }
+
+ public void fileCreated(FileChangeEvent event) throws Exception
+ {
+ changeStatus = 3;
+ }
+ }
+
+}
