| /* |
| * 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.net; |
| |
| import java.io.File; |
| import java.util.Random; |
| |
| import android.database.Cursor; |
| import android.net.DownloadManager.Query; |
| import android.net.DownloadManager.Request; |
| 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_ERROR_CODE, |
| DownloadManager.ERROR_INSUFFICIENT_SPACE); |
| } finally { |
| if (cursor != null) { |
| cursor.close(); |
| } |
| largeFile.delete(); |
| } |
| } |
| } |