/*
* Copyright (C) 2010 The Android Open Source Project
*
* Licensed 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 com.android.frameworks.downloadmanagertests;
import android.app.DownloadManager;
import android.app.DownloadManager.Query;
import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
import android.content.IntentFilter;
import android.database.Cursor;
import android.net.ConnectivityManager;
import android.net.NetworkInfo;
import android.net.wifi.WifiManager;
import android.os.Environment;
import android.os.Handler;
import android.os.Looper;
import android.os.ParcelFileDescriptor;
import android.os.SystemClock;
import android.provider.Settings;
import android.test.InstrumentationTestCase;
import android.util.Log;
import java.util.HashSet;
import java.util.Set;
import java.util.concurrent.TimeoutException;
/**
* Base class for Instrumented tests for the Download Manager.
*/
public class DownloadManagerBaseTest extends InstrumentationTestCase {
protected DownloadManager mDownloadManager = null;
protected String mFileType = "text/plain";
protected Context mContext = null;
protected static final int DEFAULT_FILE_SIZE = 10 * 1024; // 10kb
protected static final int FILE_BLOCK_READ_SIZE = 1024 * 1024;
protected static final String LOG_TAG = "android.net.DownloadManagerBaseTest";
protected static final int HTTP_OK = 200;
protected static final int HTTP_REDIRECT = 307;
protected static final int HTTP_PARTIAL_CONTENT = 206;
protected static final int HTTP_NOT_FOUND = 404;
protected static final int HTTP_SERVICE_UNAVAILABLE = 503;
protected static final int DEFAULT_MAX_WAIT_TIME = 2 * 60 * 1000; // 2 minutes
protected static final int DEFAULT_WAIT_POLL_TIME = 5 * 1000; // 5 seconds
protected static final int WAIT_FOR_DOWNLOAD_POLL_TIME = 1 * 1000; // 1 second
protected static final int MAX_WAIT_FOR_DOWNLOAD_TIME = 5 * 60 * 1000; // 5 minutes
protected static final int MAX_WAIT_FOR_LARGE_DOWNLOAD_TIME = 15 * 60 * 1000; // 15 minutes
private DownloadFinishedListener mListener;
private Thread mListenerThread;
public static class WiFiChangedReceiver extends BroadcastReceiver {
private Context mContext = null;
/**
* Constructor
*
* Sets the current state of WiFi.
*
* @param context The current app {@link Context}.
*/
public WiFiChangedReceiver(Context context) {
mContext = context;
}
/**
* {@inheritDoc}
*/
@Override
public void onReceive(Context context, Intent intent) {
if (intent.getAction().equalsIgnoreCase(ConnectivityManager.CONNECTIVITY_ACTION)) {
Log.i(LOG_TAG, "ConnectivityManager state change: " + intent.getAction());
synchronized (this) {
this.notify();
}
}
}
/**
* Gets the current state of WiFi.
*
* @return Returns true if WiFi is on, false otherwise.
*/
public boolean getWiFiIsOn() {
ConnectivityManager connManager = (ConnectivityManager)mContext.getSystemService(
Context.CONNECTIVITY_SERVICE);
NetworkInfo info = connManager.getNetworkInfo(ConnectivityManager.TYPE_WIFI);
Log.i(LOG_TAG, "WiFi Connection state is currently: " + info.isConnected());
return info.isConnected();
}
}
/**
* Broadcast receiver to listen for broadcast from DownloadManager indicating that downloads
* are finished.
*/
private class DownloadFinishedListener extends BroadcastReceiver implements Runnable {
private Handler mHandler = null;
private Looper mLooper;
private Set<Long> mFinishedDownloads = new HashSet<Long>();
/**
* Event loop for the thread that listens to broadcasts.
*/
@Override
public void run() {
Looper.prepare();
synchronized (this) {
mLooper = Looper.myLooper();
mHandler = new Handler();
notifyAll();
}
Looper.loop();
}
/**
* Handles the incoming notifications from DownloadManager.
*/
@Override
public void onReceive(Context context, Intent intent) {
if (DownloadManager.ACTION_DOWNLOAD_COMPLETE.equals(intent.getAction())) {
long id = intent.getExtras().getLong(DownloadManager.EXTRA_DOWNLOAD_ID);
Log.i(LOG_TAG, "Received Notification for download: " + id);
synchronized (this) {
if(!mFinishedDownloads.contains(id)) {
mFinishedDownloads.add(id);
notifyAll();
} else {
Log.i(LOG_TAG,
String.format("Notification for %d was already received", id));
}
}
}
}
/**
* Returns the handler for this thread. Need this to make sure that the events are handled
* in it is own thread and don't interfere with the instrumentation thread.
* @return Handler for the receiver thread.
* @throws InterruptedException
*/
private Handler getHandler() throws InterruptedException {
synchronized (this) {
if (mHandler != null) return mHandler;
while (mHandler == null) {
wait();
}
return mHandler;
}
}
/**
* Stops the thread that receives notification from DownloadManager.
*/
public void cancel() {
synchronized(this) {
if (mLooper != null) {
mLooper.quit();
}
}
}
/**
* Waits for a given download to finish, or until the timeout expires.
* @param id id of the download to wait for.
* @param timeout maximum time to wait, in milliseconds
* @return true if the download finished, false otherwise.
* @throws InterruptedException
*/
public boolean waitForDownloadToFinish(long id, long timeout) throws InterruptedException {
long startTime = SystemClock.uptimeMillis();
synchronized (this) {
while (!mFinishedDownloads.contains(id)) {
if (SystemClock.uptimeMillis() - startTime > timeout) {
Log.i(LOG_TAG, String.format("Timeout while waiting for %d to finish", id));
return false;
} else {
wait(timeout);
}
}
return true;
}
}
/**
* Waits for multiple downloads to finish, or until timeout expires.
* @param ids ids of the downloads to wait for.
* @param timeout maximum time to wait, in milliseconds
* @return true of all the downloads finished, false otherwise.
* @throws InterruptedException
*/
public boolean waitForMultipleDownloadsToFinish(Set<Long> ids, long timeout)
throws InterruptedException {
long startTime = SystemClock.uptimeMillis();
synchronized (this) {
while (!mFinishedDownloads.containsAll(ids)) {
if (SystemClock.uptimeMillis() - startTime > timeout) {
Log.i(LOG_TAG, "Timeout waiting for multiple downloads to finish");
return false;
} else {
wait(timeout);
}
}
return true;
}
}
}
/**
* {@inheritDoc}
*/
@Override
public void setUp() throws Exception {
super.setUp();
mContext = getInstrumentation().getContext();
mDownloadManager = (DownloadManager)mContext.getSystemService(Context.DOWNLOAD_SERVICE);
mListener = registerDownloadsListener();
}
@Override
public void tearDown() throws Exception {
mContext.unregisterReceiver(mListener);
mListener.cancel();
mListenerThread.join();
super.tearDown();
}
/**
* Helper to verify the size of a file.
*
* @param pfd The input file to compare the size of
* @param size The expected size of the file
*/
protected void verifyFileSize(ParcelFileDescriptor pfd, long size) {
assertEquals(pfd.getStatSize(), size);
}
/**
* Helper to create and register a new MultipleDownloadCompletedReciever
*
* This is used to track many simultaneous downloads by keeping count of all the downloads
* that have completed.
*
* @return A new receiver that records and can be queried on how many downloads have completed.
* @throws InterruptedException
*/
protected DownloadFinishedListener registerDownloadsListener() throws InterruptedException {
DownloadFinishedListener listener = new DownloadFinishedListener();
mListenerThread = new Thread(listener);
mListenerThread.start();
mContext.registerReceiver(listener, new IntentFilter(
DownloadManager.ACTION_DOWNLOAD_COMPLETE), null, listener.getHandler());
return listener;
}
/**
* Enables or disables WiFi.
*
* Note: Needs the following permissions:
* android.permission.ACCESS_WIFI_STATE
* android.permission.CHANGE_WIFI_STATE
* @param enable true if it should be enabled, false if it should be disabled
*/
protected void setWiFiStateOn(boolean enable) throws Exception {
Log.i(LOG_TAG, "Setting WiFi State to: " + enable);
WifiManager manager = (WifiManager)mContext.getSystemService(Context.WIFI_SERVICE);
manager.setWifiEnabled(enable);
String timeoutMessage = "Timed out waiting for Wifi to be "
+ (enable ? "enabled!" : "disabled!");
WiFiChangedReceiver receiver = new WiFiChangedReceiver(mContext);
mContext.registerReceiver(receiver, new IntentFilter(
ConnectivityManager.CONNECTIVITY_ACTION));
synchronized (receiver) {
long timeoutTime = SystemClock.elapsedRealtime() + DEFAULT_MAX_WAIT_TIME;
boolean timedOut = false;
while (receiver.getWiFiIsOn() != enable && !timedOut) {
try {
receiver.wait(DEFAULT_WAIT_POLL_TIME);
if (SystemClock.elapsedRealtime() > timeoutTime) {
timedOut = true;
}
}
catch (InterruptedException e) {
// ignore InterruptedExceptions
}
}
if (timedOut) {
fail(timeoutMessage);
}
}
assertEquals(enable, receiver.getWiFiIsOn());
}
/**
* Helper to enables or disables airplane mode. If successful, it also broadcasts an intent
* indicating that the mode has changed.
*
* Note: Needs the following permission:
* android.permission.WRITE_SETTINGS
* @param enable true if airplane mode should be ON, false if it should be OFF
*/
protected void setAirplaneModeOn(boolean enable) throws Exception {
int state = enable ? 1 : 0;
// Change the system setting
Settings.Global.putInt(mContext.getContentResolver(), Settings.Global.AIRPLANE_MODE_ON,
state);
String timeoutMessage = "Timed out waiting for airplane mode to be " +
(enable ? "enabled!" : "disabled!");
// wait for airplane mode to change state
int currentWaitTime = 0;
while (Settings.System.getInt(mContext.getContentResolver(),
Settings.Global.AIRPLANE_MODE_ON, -1) != state) {
timeoutWait(currentWaitTime, DEFAULT_WAIT_POLL_TIME, DEFAULT_MAX_WAIT_TIME,
timeoutMessage);
}
// Post the intent
Intent intent = new Intent(Intent.ACTION_AIRPLANE_MODE_CHANGED);
intent.putExtra("state", true);
mContext.sendBroadcast(intent);
}
/**
* Helper to wait for a particular download to finish, or else a timeout to occur.
*
* @param id The download id to query on (wait for)
* @param poll The amount of time to wait
* @param timeoutMillis The max time (in ms) to wait for the download(s) to complete
*/
protected boolean waitForDownload(long id, long timeoutMillis)
throws InterruptedException {
return mListener.waitForDownloadToFinish(id, timeoutMillis);
}
protected boolean waitForMultipleDownloads(Set<Long> ids, long timeout)
throws InterruptedException {
return mListener.waitForMultipleDownloadsToFinish(ids, timeout);
}
/**
* Checks with the download manager if the give download is finished.
* @param id id of the download to check
* @return true if download is finished, false otherwise.
*/
private boolean hasDownloadFinished(long id) {
Query q = new Query();
q.setFilterById(id);
q.setFilterByStatus(DownloadManager.STATUS_SUCCESSFUL);
Cursor cursor = mDownloadManager.query(q);
boolean finished = cursor.getCount() == 1;
cursor.close();
return finished;
}
/**
* Helper function to synchronously wait, or timeout if the maximum threshold has been exceeded.
*
* @param currentTotalWaitTime The total time waited so far
* @param poll The amount of time to wait
* @param maxTimeoutMillis The total wait time threshold; if we've waited more than this long,
* we timeout and fail
* @param timedOutMessage The message to display in the failure message if we timeout
* @return The new total amount of time we've waited so far
* @throws TimeoutException if timed out waiting for SD card to mount
*/
private int timeoutWait(int currentTotalWaitTime, long poll, long maxTimeoutMillis,
String timedOutMessage) throws TimeoutException {
long now = SystemClock.elapsedRealtime();
long end = now + poll;
// if we get InterruptedException's, ignore them and just keep sleeping
while (now < end) {
try {
Thread.sleep(end - now);
} catch (InterruptedException e) {
// ignore interrupted exceptions
}
now = SystemClock.elapsedRealtime();
}
currentTotalWaitTime += poll;
if (currentTotalWaitTime > maxTimeoutMillis) {
throw new TimeoutException(timedOutMessage);
}
return currentTotalWaitTime;
}
/**
* Synchronously waits for external store to be mounted (eg: SD Card).
*
* @throws InterruptedException if interrupted
* @throws Exception if timed out waiting for SD card to mount
*/
protected void waitForExternalStoreMount() throws Exception {
String extStorageState = Environment.getExternalStorageState();
int currentWaitTime = 0;
while (!extStorageState.equals(Environment.MEDIA_MOUNTED)) {
Log.i(LOG_TAG, "Waiting for SD card...");
currentWaitTime = timeoutWait(currentWaitTime, DEFAULT_WAIT_POLL_TIME,
DEFAULT_MAX_WAIT_TIME, "Timed out waiting for SD Card to be ready!");
extStorageState = Environment.getExternalStorageState();
}
}
/**
* Synchronously waits for a download to start.
*
* @param dlRequest the download request id used by Download Manager to track the download.
* @throws Exception if timed out while waiting for SD card to mount
*/
protected void waitForDownloadToStart(long dlRequest) throws Exception {
Cursor cursor = getCursor(dlRequest);
try {
int columnIndex = cursor.getColumnIndex(DownloadManager.COLUMN_STATUS);
int value = cursor.getInt(columnIndex);
int currentWaitTime = 0;
while (value != DownloadManager.STATUS_RUNNING &&
(value != DownloadManager.STATUS_FAILED) &&
(value != DownloadManager.STATUS_SUCCESSFUL)) {
Log.i(LOG_TAG, "Waiting for download to start...");
currentWaitTime = timeoutWait(currentWaitTime, WAIT_FOR_DOWNLOAD_POLL_TIME,
MAX_WAIT_FOR_DOWNLOAD_TIME, "Timed out waiting for download to start!");
cursor.requery();
assertTrue(cursor.moveToFirst());
columnIndex = cursor.getColumnIndex(DownloadManager.COLUMN_STATUS);
value = cursor.getInt(columnIndex);
}
assertFalse("Download failed immediately after start",
value == DownloadManager.STATUS_FAILED);
} finally {
cursor.close();
}
}
/**
* Synchronously waits for the download manager to start incrementing the number of
* bytes downloaded so far.
*
* @param id DownloadManager download id that needs to be checked.
* @param bytesToReceive how many bytes do we need to wait to receive.
* @throws Exception if timed out while waiting for the file to grow in size.
*/
protected void waitToReceiveData(long id, long bytesToReceive) throws Exception {
int currentWaitTime = 0;
long expectedSize = getBytesDownloaded(id) + bytesToReceive;
long currentSize = 0;
while ((currentSize = getBytesDownloaded(id)) <= expectedSize) {
Log.i(LOG_TAG, String.format("expect: %d, cur: %d. Waiting for file to be written to...",
expectedSize, currentSize));
currentWaitTime = timeoutWait(currentWaitTime, WAIT_FOR_DOWNLOAD_POLL_TIME,
MAX_WAIT_FOR_DOWNLOAD_TIME, "Timed out waiting for file to be written to.");
}
}
private long getBytesDownloaded(long id) {
DownloadManager.Query q = new DownloadManager.Query();
q.setFilterById(id);
Cursor response = mDownloadManager.query(q);
if (response.getCount() < 1) {
Log.i(LOG_TAG, String.format("Query to download manager returned nothing for id %d",id));
response.close();
return -1;
}
while(response.moveToNext()) {
int index = response.getColumnIndex(DownloadManager.COLUMN_ID);
if (id == response.getLong(index)) {
break;
}
}
int index = response.getColumnIndex(DownloadManager.COLUMN_BYTES_DOWNLOADED_SO_FAR);
if (index < 0) {
Log.i(LOG_TAG, String.format("No downloaded bytes for id %d", id));
response.close();
return -1;
}
long size = response.getLong(index);
response.close();
return size;
}
/**
* Helper to remove all downloads that are registered with the DL Manager.
*
* Note: This gives us a clean slate b/c it includes downloads that are pending, running,
* paused, or have completed.
*/
protected void removeAllCurrentDownloads() {
Log.i(LOG_TAG, "Removing all current registered downloads...");
Cursor cursor = mDownloadManager.query(new Query());
try {
if (cursor.moveToFirst()) {
do {
int index = cursor.getColumnIndex(DownloadManager.COLUMN_ID);
long downloadId = cursor.getLong(index);
mDownloadManager.remove(downloadId);
} while (cursor.moveToNext());
}
} finally {
cursor.close();
}
}
/**
* Performs a query based on ID and returns a Cursor for the query.
*
* @param id The id of the download in DL Manager; pass -1 to query all downloads
* @return A cursor for the query results
*/
protected Cursor getCursor(long id) throws Exception {
Query query = new Query();
if (id != -1) {
query.setFilterById(id);
}
Cursor cursor = mDownloadManager.query(query);
int currentWaitTime = 0;
try {
while (!cursor.moveToFirst()) {
Thread.sleep(DEFAULT_WAIT_POLL_TIME);
currentWaitTime += DEFAULT_WAIT_POLL_TIME;
if (currentWaitTime > DEFAULT_MAX_WAIT_TIME) {
fail("timed out waiting for a non-null query result");
}
cursor.requery();
}
} catch (Exception e) {
cursor.close();
throw e;
}
return cursor;
}
}
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