| /* |
| * 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. |
| */ |
| |
| package org.netbeans.modules.masterfs; |
| |
| import java.awt.event.ActionEvent; |
| import java.io.File; |
| import java.io.FileOutputStream; |
| import java.lang.ref.Reference; |
| import java.lang.ref.WeakReference; |
| import java.util.ArrayList; |
| import java.util.List; |
| import java.util.logging.Level; |
| import java.util.logging.Logger; |
| import org.netbeans.junit.NbTestCase; |
| import org.netbeans.junit.RandomlyFails; |
| import org.netbeans.modules.masterfs.filebasedfs.children.ChildrenSupportTest; |
| import org.netbeans.modules.masterfs.filebasedfs.fileobjects.TestUtils; |
| import org.netbeans.modules.masterfs.filebasedfs.utils.FileChangedManager; |
| import org.netbeans.modules.masterfs.filebasedfs.utils.FileChangedManagerTest; |
| import org.openide.filesystems.FileChangeAdapter; |
| import org.openide.filesystems.FileEvent; |
| import org.openide.filesystems.FileObject; |
| import org.openide.filesystems.FileUtil; |
| import org.openide.util.RequestProcessor; |
| |
| public class SlowRefreshSuspendableTest extends NbTestCase { |
| static { |
| System.setProperty("org.netbeans.modules.masterfs.watcher.disable", "true"); |
| } |
| private Logger LOG; |
| private FileObject testFolder; |
| |
| static { |
| // Just pre load the classes |
| FileChangedManagerTest.assertNoLock(); |
| ChildrenSupportTest.assertNoLock(); |
| } |
| |
| public SlowRefreshSuspendableTest(String testName) { |
| super(testName); |
| } |
| |
| @Override |
| protected Level logLevel() { |
| return Level.FINE; |
| } |
| |
| @Override |
| protected void setUp() throws Exception { |
| clearWorkDir(); |
| |
| |
| LOG = Logger.getLogger("test." + getName()); |
| Logger.getLogger("org.openide.util.Mutex").setUseParentHandlers(false); |
| |
| File dir = new File(getWorkDir(), "test"); |
| dir.mkdirs(); |
| testFolder = FileUtil.toFileObject(dir); |
| assertNotNull("Test folder created", testFolder); |
| |
| System.setSecurityManager(new FileChangedManager()); |
| } |
| |
| @RandomlyFails // NB-Core-Build #4386: Background I/O access needs to stop before we finish our task |
| public void testRefreshCanBeSuspended() throws Exception { |
| long lm = System.currentTimeMillis(); |
| LOG.info("starting testRefreshCanBeSuspended " + lm); |
| FileObject fileObject1 = testFolder.createData("fileObject1"); |
| assertNotNull("Just to initialize the stamp", lm); |
| FileObject[] arr = testFolder.getChildren(); |
| assertEquals("One child", 1, arr.length); |
| assertEquals("Right child", fileObject1, arr[0]); |
| |
| File file = FileUtil.toFile(fileObject1); |
| assertNotNull("File found", file); |
| Reference<FileObject> ref = new WeakReference<FileObject>(fileObject1); |
| arr = null; |
| fileObject1 = null; |
| assertGC("File Object can disappear", ref); |
| |
| class L extends FileChangeAdapter { |
| volatile int cnt; |
| volatile FileEvent event; |
| |
| @Override |
| public void fileDataCreated(FileEvent fe) { |
| changedOrCreated(fe); // See bug 231600. |
| } |
| |
| @Override |
| public void fileChanged(FileEvent fe) { |
| changedOrCreated(fe); |
| } |
| |
| private void changedOrCreated(FileEvent fe) { |
| cnt++; |
| event = fe; |
| LOG.log(Level.INFO, "file change {0} cnt: {1}", new Object[]{fe.getFile(), cnt}); |
| } |
| } |
| L listener = new L(); |
| testFolder.addRecursiveListener(listener); |
| |
| Thread.sleep(1000); |
| |
| FileOutputStream os = new FileOutputStream(file); |
| os.write(10); |
| os.close(); |
| |
| if (lm > file.lastModified() - 50) { |
| fail("New modification time shall be at last 50ms after the original one: " + (file.lastModified() - lm)); |
| } |
| |
| Object obj = TestUtils.findSlowRefresh(testFolder); |
| assertNotNull("Refresh attribute found", obj); |
| assertTrue("It is instance of runnable: " + obj, obj instanceof Runnable); |
| |
| Runnable r = (Runnable)obj; |
| class AE extends ActionEvent implements Runnable { |
| List<FileObject> files = new ArrayList<FileObject>(); |
| volatile boolean boosted; |
| volatile boolean finished; |
| int goingIdle; |
| |
| public AE() { |
| super("", 0, ""); |
| } |
| |
| @Override |
| public void setSource(Object newSource) { |
| LOG.log(Level.INFO, "Set source called: {0}", newSource); |
| assertTrue(newSource instanceof Object[]); |
| Object[] arr = (Object[])newSource; |
| assertTrue("Three elements at leat ", 3 <= arr.length); |
| assertTrue("first is int", arr[0] instanceof Integer); |
| assertTrue("2nd is int", arr[1] instanceof Integer); |
| assertTrue("3rd is fileobject", arr[2] instanceof FileObject); |
| files.add((FileObject)arr[2]); |
| super.setSource(newSource); |
| } |
| |
| @Override |
| public void run() { |
| FileChangedManagerTest.assertNoLock(); |
| ChildrenSupportTest.assertNoLock(); |
| goingIdle++; |
| } |
| |
| void doWork() { |
| try { |
| File busyFile = File.createTempFile("xyz", ".abc"); |
| LOG.log(Level.INFO, "Created {0}", busyFile); |
| for (int i = 0; i < 2000; i ++) { |
| assertTrue("Can be read", busyFile.canRead()); |
| LOG.log(Level.INFO, "Touched {0}", i); |
| if (i > 100) { |
| synchronized (this) { |
| boosted = true; |
| notifyAll(); |
| } |
| } |
| } |
| busyFile.delete(); |
| LOG.log(Level.INFO, "deleted {0}", busyFile); |
| } catch (Exception ex) { |
| ex.printStackTrace(); |
| } |
| finished = true; |
| LOG.info("finished"); |
| } |
| |
| public synchronized void waitBoosted() throws Exception { |
| while (!boosted) { |
| wait(); |
| } |
| } |
| } |
| final AE counter = new AE(); |
| |
| LOG.info("Posting AE into RP"); |
| // starts 5s of disk checking |
| RequestProcessor.Task task = RequestProcessor.getDefault().post(new Runnable() { |
| @Override |
| public void run() { |
| counter.doWork(); |
| } |
| }); |
| |
| // connect together |
| r.equals(counter); |
| |
| LOG.info("Waiting for I/O boost"); |
| counter.waitBoosted(); |
| LOG.info("Starting refresh"); |
| // do the refresh |
| r.run(); |
| LOG.log(Level.INFO, "Refresh finished {0} cnt: {1}", new Object[]{counter.finished, listener.cnt}); |
| |
| assertTrue("Background I/O access needs to stop before we finish our task", counter.finished); |
| |
| assertTrue("At least one Change notified", 1 <= listener.cnt); |
| assertEquals("Right file", file, FileUtil.toFile(listener.event.getFile())); |
| assertEquals("Right source", file.getParentFile(), FileUtil.toFile((FileObject)listener.event.getSource())); |
| if (counter.goingIdle == 0) { |
| fail("The I/O subsystem shall notify the action that it went idle at least once"); |
| } |
| } |
| } |