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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 com.android.providers.downloads;
import android.content.ContentValues;
import android.database.Cursor;
import android.net.ConnectivityManager;
import android.net.Uri;
import android.os.Environment;
import android.provider.Downloads;
import android.test.suitebuilder.annotation.LargeTest;
import tests.http.MockWebServer;
import tests.http.RecordedRequest;
import java.io.InputStream;
import java.net.MalformedURLException;
import java.util.List;
/**
* This test exercises the entire download manager working together -- it requests downloads through
* the {@link DownloadProvider}, just like a normal client would, and runs the
* {@link DownloadService} with start intents. It sets up a {@link MockWebServer} running on the
* device to serve downloads.
*/
@LargeTest
public class DownloadManagerFunctionalTest extends AbstractDownloadManagerFunctionalTest {
public void testBasicRequest() throws Exception {
enqueueResponse(HTTP_OK, FILE_CONTENT);
String path = "/download_manager_test_path";
Uri downloadUri = requestDownload(path);
assertEquals(Downloads.STATUS_PENDING, getDownloadStatus(downloadUri));
assertTrue(mTestContext.mHasServiceBeenStarted);
RecordedRequest request = runUntilStatus(downloadUri, Downloads.STATUS_SUCCESS);
assertEquals("GET", request.getMethod());
assertEquals(path, request.getPath());
assertEquals(FILE_CONTENT, getDownloadContents(downloadUri));
assertStartsWith(Environment.getExternalStorageDirectory().getPath(),
getDownloadFilename(downloadUri));
}
public void testDownloadToCache() throws Exception {
enqueueResponse(HTTP_OK, FILE_CONTENT);
Uri downloadUri = requestDownload("/path");
updateDownload(downloadUri, Downloads.COLUMN_DESTINATION,
Integer.toString(Downloads.DESTINATION_CACHE_PARTITION));
runUntilStatus(downloadUri, Downloads.STATUS_SUCCESS);
assertEquals(FILE_CONTENT, getDownloadContents(downloadUri));
assertStartsWith(Environment.getDownloadCacheDirectory().getPath(),
getDownloadFilename(downloadUri));
}
public void testFileNotFound() throws Exception {
enqueueEmptyResponse(HTTP_NOT_FOUND);
Uri downloadUri = requestDownload("/nonexistent_path");
assertEquals(Downloads.STATUS_PENDING, getDownloadStatus(downloadUri));
runUntilStatus(downloadUri, HTTP_NOT_FOUND);
}
public void testRetryAfter() throws Exception {
final int delay = 120;
enqueueEmptyResponse(HTTP_SERVICE_UNAVAILABLE).addHeader("Retry-after", delay);
Uri downloadUri = requestDownload("/path");
runUntilStatus(downloadUri, Downloads.STATUS_RUNNING_PAUSED);
// download manager adds random 0-30s offset
mSystemFacade.incrementTimeMillis((delay + 31) * 1000);
enqueueResponse(HTTP_OK, FILE_CONTENT);
runUntilStatus(downloadUri, Downloads.STATUS_SUCCESS);
}
public void testBasicConnectivityChanges() throws Exception {
enqueueResponse(HTTP_OK, FILE_CONTENT);
Uri downloadUri = requestDownload("/path");
// without connectivity, download immediately pauses
mSystemFacade.mActiveNetworkType = null;
startService(null);
waitForDownloadToStop(getStatusReader(downloadUri), Downloads.STATUS_RUNNING_PAUSED);
// connecting should start the download
mSystemFacade.mActiveNetworkType = ConnectivityManager.TYPE_WIFI;
runUntilStatus(downloadUri, Downloads.STATUS_SUCCESS);
}
public void testRoaming() throws Exception {
mSystemFacade.mActiveNetworkType = ConnectivityManager.TYPE_MOBILE;
mSystemFacade.mIsRoaming = true;
// for a normal download, roaming is fine
enqueueResponse(HTTP_OK, FILE_CONTENT);
Uri downloadUri = requestDownload("/path");
startService(null);
runUntilStatus(downloadUri, Downloads.STATUS_SUCCESS);
// when roaming is disallowed, the download should pause...
downloadUri = requestDownload("/path");
updateDownload(downloadUri, Downloads.COLUMN_DESTINATION,
Integer.toString(Downloads.DESTINATION_CACHE_PARTITION_NOROAMING));
startService(null);
waitForDownloadToStop(getStatusReader(downloadUri), Downloads.STATUS_RUNNING_PAUSED);
// ...and pick up when we're off roaming
enqueueResponse(HTTP_OK, FILE_CONTENT);
mSystemFacade.mIsRoaming = false;
runUntilStatus(downloadUri, Downloads.STATUS_SUCCESS);
}
/**
* Read a downloaded file from disk.
*/
private String getDownloadContents(Uri downloadUri) throws Exception {
InputStream inputStream = mResolver.openInputStream(downloadUri);
try {
return readStream(inputStream);
} finally {
inputStream.close();
}
}
private RecordedRequest runUntilStatus(Uri downloadUri, int status) throws Exception {
return super.runUntilStatus(getStatusReader(downloadUri), status);
}
private StatusReader getStatusReader(final Uri downloadUri) {
return new StatusReader() {
public int getStatus() {
return getDownloadStatus(downloadUri);
}
public boolean isComplete(int status) {
return !Downloads.isStatusInformational(status);
}
};
}
protected int getDownloadStatus(Uri downloadUri) {
return Integer.valueOf(getDownloadField(downloadUri, Downloads.COLUMN_STATUS));
}
private String getDownloadFilename(Uri downloadUri) {
return getDownloadField(downloadUri, Downloads._DATA);
}
private String getDownloadField(Uri downloadUri, String column) {
final String[] columns = new String[] {column};
Cursor cursor = mResolver.query(downloadUri, columns, null, null, null);
try {
assertEquals(1, cursor.getCount());
cursor.moveToFirst();
return cursor.getString(0);
} finally {
cursor.close();
}
}
/**
* Request a download from the Download Manager.
*/
private Uri requestDownload(String path) throws MalformedURLException {
ContentValues values = new ContentValues();
values.put(Downloads.COLUMN_URI, getServerUri(path));
values.put(Downloads.COLUMN_DESTINATION, Downloads.DESTINATION_EXTERNAL);
return mResolver.insert(Downloads.CONTENT_URI, values);
}
/**
* Update one field of a download in the provider.
*/
private void updateDownload(Uri downloadUri, String column, String value) {
ContentValues values = new ContentValues();
values.put(column, value);
int numChanged = mResolver.update(downloadUri, values, null, null);
assertEquals(1, numChanged);
}
}
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