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/*
* 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 android.app;
import java.io.File;
import java.util.Random;
import android.app.DownloadManager.Query;
import android.app.DownloadManager.Request;
import android.database.Cursor;
import android.net.Uri;
import android.os.ParcelFileDescriptor;
import android.test.suitebuilder.annotation.LargeTest;
import android.util.Log;
public class DownloadManagerStressTest extends DownloadManagerBaseTest {
private static String LOG_TAG = "android.net.DownloadManagerStressTest";
/**
* {@inheritDoc}
*/
@Override
public void setUp() throws Exception {
super.setUp();
mServer.play(0);
removeAllCurrentDownloads();
}
/**
* Attempts to downloading thousands of files simultaneously
*/
public void testDownloadThousands() throws Exception {
int NUM_FILES = 1500;
int MAX_FILE_SIZE = 3000;
long[] reqs = new long[NUM_FILES];
// need to be sure all current downloads have stopped first
MultipleDownloadsCompletedReceiver receiver = registerNewMultipleDownloadsReceiver();
Cursor cursor = null;
try {
Random r = new LoggingRng();
for (int i = 0; i < NUM_FILES; ++i) {
int size = r.nextInt(MAX_FILE_SIZE);
byte[] blobData = generateData(size, DataType.TEXT);
Uri uri = getServerUri(DEFAULT_FILENAME);
Request request = new Request(uri);
request.setTitle(String.format("%s--%d", DEFAULT_FILENAME, i));
// Prepare the mock server with a standard response
enqueueResponse(HTTP_OK, blobData);
Log.i(LOG_TAG, "issuing request: " + i);
long reqId = mDownloadManager.enqueue(request);
reqs[i] = reqId;
}
// wait for the download to complete or timeout
waitForDownloadsOrTimeout(WAIT_FOR_DOWNLOAD_POLL_TIME, MAX_WAIT_FOR_DOWNLOAD_TIME);
cursor = mDownloadManager.query(new Query());
assertEquals(NUM_FILES, cursor.getCount());
Log.i(LOG_TAG, "Verified number of downloads in download manager is what we expect.");
while (cursor.moveToNext()) {
int status = cursor.getInt(cursor.getColumnIndex(DownloadManager.COLUMN_STATUS));
String filename = cursor.getString(cursor.getColumnIndex(
DownloadManager.COLUMN_URI));
String errorString = String.format("File %s failed to download successfully. " +
"Status code: %d", filename, status);
assertEquals(errorString, DownloadManager.STATUS_SUCCESSFUL, status);
}
Log.i(LOG_TAG, "Verified each download was successful.");
assertEquals(NUM_FILES, receiver.numDownloadsCompleted());
Log.i(LOG_TAG, "Verified number of completed downloads in our receiver.");
// Verify that for each request, we can open the downloaded file
for (int i = 0; i < NUM_FILES; ++i) {
ParcelFileDescriptor pfd = mDownloadManager.openDownloadedFile(reqs[i]);
pfd.close();
}
Log.i(LOG_TAG, "Verified we can open each file.");
} finally {
if (cursor != null) {
cursor.close();
}
mContext.unregisterReceiver(receiver);
removeAllCurrentDownloads();
}
}
/**
* Tests trying to download a large file (50M bytes).
*/
public void testDownloadLargeFile() throws Exception {
long fileSize = 50000000L; // note: kept relatively small to not exceed /cache dir size
File largeFile = createFileOnSD(null, fileSize, DataType.TEXT, null);
MultipleDownloadsCompletedReceiver receiver = registerNewMultipleDownloadsReceiver();
try {
long dlRequest = doStandardEnqueue(largeFile);
// wait for the download to complete
waitForDownloadOrTimeout(dlRequest);
ParcelFileDescriptor pfd = mDownloadManager.openDownloadedFile(dlRequest);
verifyFileContents(pfd, largeFile);
verifyFileSize(pfd, largeFile.length());
assertEquals(1, receiver.numDownloadsCompleted());
mContext.unregisterReceiver(receiver);
} catch (Exception e) {
throw e;
} finally {
largeFile.delete();
}
}
/**
* Tests trying to download a large file (~300M bytes) when there's not enough space in cache
*/
public void testInsufficientSpace() throws Exception {
long fileSize = 300000000L;
File largeFile = createFileOnSD(null, fileSize, DataType.TEXT, null);
Cursor cursor = null;
try {
long dlRequest = doStandardEnqueue(largeFile);
// wait for the download to complete
waitForDownloadOrTimeout(dlRequest);
cursor = getCursor(dlRequest);
verifyInt(cursor, DownloadManager.COLUMN_STATUS, DownloadManager.STATUS_FAILED);
verifyInt(cursor, DownloadManager.COLUMN_REASON,
DownloadManager.ERROR_INSUFFICIENT_SPACE);
} finally {
if (cursor != null) {
cursor.close();
}
largeFile.delete();
}
}
}
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