19066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project/* 29066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Copyright (C) 2006 The Android Open Source Project 39066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 49066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Licensed under the Apache License, Version 2.0 (the "License"); 59066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * you may not use this file except in compliance with the License. 69066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * You may obtain a copy of the License at 79066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 89066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * http://www.apache.org/licenses/LICENSE-2.0 99066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Unless required by applicable law or agreed to in writing, software 119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * distributed under the License is distributed on an "AS IS" BASIS, 129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * See the License for the specific language governing permissions and 149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * limitations under the License. 159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 171a44d5dcabc18cd5ef111f732ccff91683a1a093Neal Nguyenpackage android.os; 189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport com.google.android.collect.Lists; 209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport com.google.android.collect.Maps; 219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.test.AndroidTestCase; 23f76c56bcaa9df1d1afa711177f813dc63f399795Brett Chabotimport android.test.suitebuilder.annotation.MediumTest; 249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.util.Log; 259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport java.io.File; 279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport java.io.FileOutputStream; 289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport java.util.Iterator; 299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport java.util.List; 309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport java.util.Map; 319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectpublic class FileObserverTest extends AndroidTestCase { 339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private Observer mObserver; 349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private File mTestFile; 350393d349bef2154a222ebba3655b9059b534de6cBrett Chabot 369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static class Observer extends FileObserver { 379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public List<Map> events = Lists.newArrayList(); 389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int totalEvents = 0; 399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public Observer(String path) { 419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project super(path); 429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void onEvent(int event, String path) { 459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project synchronized (this) { 469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project totalEvents++; 479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Map<String, Object> map = Maps.newHashMap(); 489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project map.put("event", event); 509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project map.put("path", path); 519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project events.add(map); 539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project this.notifyAll(); 559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 580393d349bef2154a222ebba3655b9059b534de6cBrett Chabot 599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected void setUp() throws Exception { 610393d349bef2154a222ebba3655b9059b534de6cBrett Chabot mTestFile = File.createTempFile(".file_observer_test", ".txt"); 629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected void tearDown() throws Exception { 669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mTestFile != null && mTestFile.exists()) { 679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mTestFile.delete(); 689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 700393d349bef2154a222ebba3655b9059b534de6cBrett Chabot 71f76c56bcaa9df1d1afa711177f813dc63f399795Brett Chabot @MediumTest 729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void testRun() throws Exception { 739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // make file changes and wait for them 749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project assertTrue(mTestFile.exists()); 759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project assertNotNull(mTestFile.getParent()); 760393d349bef2154a222ebba3655b9059b534de6cBrett Chabot 779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mObserver = new Observer(mTestFile.getParent()); 789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mObserver.startWatching(); 799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project FileOutputStream out = new FileOutputStream(mTestFile); 819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project try { 829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project out.write(0x20); 839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project waitForEvent(); // open 849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project waitForEvent(); // modify 859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mTestFile.delete(); 870393d349bef2154a222ebba3655b9059b534de6cBrett Chabot waitForEvent(); // modify 889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project waitForEvent(); // delete 899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mObserver.stopWatching(); 910393d349bef2154a222ebba3655b9059b534de6cBrett Chabot 929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Ensure that we have seen at least 3 events. 939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project assertTrue(mObserver.totalEvents > 3); 949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } finally { 959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project out.close(); 969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private void waitForEvent() { 1009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project synchronized (mObserver) { 1019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project boolean done = false; 1029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project while (!done) { 1039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project try { 1049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mObserver.wait(2000); 1059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project done = true; 1069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } catch (InterruptedException e) { 1079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Iterator<Map> it = mObserver.events.iterator(); 1119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project while (it.hasNext()) { 1139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Map map = it.next(); 1140393d349bef2154a222ebba3655b9059b534de6cBrett Chabot Log.i("FileObserverTest", "event: " + getEventString((Integer)map.get("event")) + " path: " + map.get("path")); 1159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mObserver.events.clear(); 1189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1200393d349bef2154a222ebba3655b9059b534de6cBrett Chabot 1210393d349bef2154a222ebba3655b9059b534de6cBrett Chabot private String getEventString(int event) { 1220393d349bef2154a222ebba3655b9059b534de6cBrett Chabot switch (event) { 1230393d349bef2154a222ebba3655b9059b534de6cBrett Chabot case FileObserver.ACCESS: 1240393d349bef2154a222ebba3655b9059b534de6cBrett Chabot return "ACCESS"; 1250393d349bef2154a222ebba3655b9059b534de6cBrett Chabot case FileObserver.MODIFY: 1260393d349bef2154a222ebba3655b9059b534de6cBrett Chabot return "MODIFY"; 1270393d349bef2154a222ebba3655b9059b534de6cBrett Chabot case FileObserver.ATTRIB: 1280393d349bef2154a222ebba3655b9059b534de6cBrett Chabot return "ATTRIB"; 1290393d349bef2154a222ebba3655b9059b534de6cBrett Chabot case FileObserver.CLOSE_WRITE: 1300393d349bef2154a222ebba3655b9059b534de6cBrett Chabot return "CLOSE_WRITE"; 1310393d349bef2154a222ebba3655b9059b534de6cBrett Chabot case FileObserver.CLOSE_NOWRITE: 1320393d349bef2154a222ebba3655b9059b534de6cBrett Chabot return "CLOSE_NOWRITE"; 1330393d349bef2154a222ebba3655b9059b534de6cBrett Chabot case FileObserver.OPEN: 1340393d349bef2154a222ebba3655b9059b534de6cBrett Chabot return "OPEN"; 1350393d349bef2154a222ebba3655b9059b534de6cBrett Chabot case FileObserver.MOVED_FROM: 1360393d349bef2154a222ebba3655b9059b534de6cBrett Chabot return "MOVED_FROM"; 1370393d349bef2154a222ebba3655b9059b534de6cBrett Chabot case FileObserver.MOVED_TO: 1380393d349bef2154a222ebba3655b9059b534de6cBrett Chabot return "MOVED_TO"; 1390393d349bef2154a222ebba3655b9059b534de6cBrett Chabot case FileObserver.CREATE: 1400393d349bef2154a222ebba3655b9059b534de6cBrett Chabot return "CREATE"; 1410393d349bef2154a222ebba3655b9059b534de6cBrett Chabot case FileObserver.DELETE: 1420393d349bef2154a222ebba3655b9059b534de6cBrett Chabot return "DELETE"; 1430393d349bef2154a222ebba3655b9059b534de6cBrett Chabot case FileObserver.DELETE_SELF: 1440393d349bef2154a222ebba3655b9059b534de6cBrett Chabot return "DELETE_SELF"; 1450393d349bef2154a222ebba3655b9059b534de6cBrett Chabot case FileObserver.MOVE_SELF: 1460393d349bef2154a222ebba3655b9059b534de6cBrett Chabot return "MOVE_SELF"; 1470393d349bef2154a222ebba3655b9059b534de6cBrett Chabot default: 1480393d349bef2154a222ebba3655b9059b534de6cBrett Chabot return "UNKNOWN"; 1490393d349bef2154a222ebba3655b9059b534de6cBrett Chabot } 1500393d349bef2154a222ebba3655b9059b534de6cBrett Chabot } 1519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 152