/*
* 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.server;
import android.content.Context;
import android.content.res.Resources;
import android.content.res.Resources.NotFoundException;
import android.os.FileUtils;
import android.os.storage.OnObbStateChangeListener;
import android.os.storage.StorageManager;
import android.test.AndroidTestCase;
import android.test.ComparisonFailure;
import android.test.suitebuilder.annotation.LargeTest;
import android.util.Log;
import static com.android.server.MountService.buildObbPath;
import com.android.frameworks.servicestests.R;
import java.io.File;
import java.io.InputStream;
public class MountServiceTests extends AndroidTestCase {
private static final String TAG = "MountServiceTests";
private static final long MAX_WAIT_TIME = 25*1000;
private static final long WAIT_TIME_INCR = 5*1000;
private static final String OBB_MOUNT_PREFIX = "/mnt/obb/";
@Override
protected void setUp() throws Exception {
super.setUp();
}
@Override
protected void tearDown() throws Exception {
super.tearDown();
}
private static void assertStartsWith(String message, String prefix, String actual) {
if (!actual.startsWith(prefix)) {
throw new ComparisonFailure(message, prefix, actual);
}
}
private static class ObbObserver extends OnObbStateChangeListener {
private String path;
public int state = -1;
boolean done = false;
@Override
public void onObbStateChange(String path, int state) {
Log.d(TAG, "Received message. path=" + path + ", state=" + state);
synchronized (this) {
this.path = path;
this.state = state;
done = true;
notifyAll();
}
}
public String getPath() {
assertTrue("Expected ObbObserver to have received a state change.", done);
return path;
}
public int getState() {
assertTrue("Expected ObbObserver to have received a state change.", done);
return state;
}
public void reset() {
this.path = null;
this.state = -1;
done = false;
}
public boolean isDone() {
return done;
}
public boolean waitForCompletion() {
long waitTime = 0;
synchronized (this) {
while (!isDone() && waitTime < MAX_WAIT_TIME) {
try {
wait(WAIT_TIME_INCR);
waitTime += WAIT_TIME_INCR;
} catch (InterruptedException e) {
Log.i(TAG, "Interrupted during sleep", e);
}
}
}
return isDone();
}
}
private File getFilePath(String name) {
final File filesDir = mContext.getFilesDir();
final File outFile = new File(filesDir, name);
return outFile;
}
private void copyRawToFile(int rawResId, File outFile) {
Resources res = mContext.getResources();
InputStream is = null;
try {
is = res.openRawResource(rawResId);
} catch (NotFoundException e) {
fail("Failed to load resource with id: " + rawResId);
}
FileUtils.setPermissions(outFile.getPath(), FileUtils.S_IRWXU | FileUtils.S_IRWXG
| FileUtils.S_IRWXO, -1, -1);
assertTrue(FileUtils.copyToFile(is, outFile));
FileUtils.setPermissions(outFile.getPath(), FileUtils.S_IRWXU | FileUtils.S_IRWXG
| FileUtils.S_IRWXO, -1, -1);
}
private StorageManager getStorageManager() {
return (StorageManager) getContext().getSystemService(Context.STORAGE_SERVICE);
}
private void mountObb(StorageManager sm, final int resource, final File file,
int expectedState) {
copyRawToFile(resource, file);
final ObbObserver observer = new ObbObserver();
assertTrue("mountObb call on " + file.getPath() + " should succeed",
sm.mountObb(file.getPath(), null, observer));
assertTrue("Mount should have completed",
observer.waitForCompletion());
if (expectedState == OnObbStateChangeListener.MOUNTED) {
assertTrue("OBB should be mounted", sm.isObbMounted(file.getPath()));
}
assertEquals("Actual file and resolved file should be the same",
file.getPath(), observer.getPath());
assertEquals(expectedState, observer.getState());
}
private ObbObserver mountObbWithoutWait(final StorageManager sm, final int resource,
final File file) {
copyRawToFile(resource, file);
final ObbObserver observer = new ObbObserver();
assertTrue("mountObb call on " + file.getPath() + " should succeed", sm.mountObb(file
.getPath(), null, observer));
return observer;
}
private void waitForObbActionCompletion(final StorageManager sm, final File file,
final ObbObserver observer, int expectedState, boolean checkPath) {
assertTrue("Mount should have completed", observer.waitForCompletion());
assertTrue("OBB should be mounted", sm.isObbMounted(file.getPath()));
if (checkPath) {
assertEquals("Actual file and resolved file should be the same", file.getPath(),
observer.getPath());
}
assertEquals(expectedState, observer.getState());
}
private String checkMountedPath(final StorageManager sm, final File file) {
final String mountPath = sm.getMountedObbPath(file.getPath());
assertStartsWith("Path should be in " + OBB_MOUNT_PREFIX,
OBB_MOUNT_PREFIX,
mountPath);
return mountPath;
}
private void unmountObb(final StorageManager sm, final File file, int expectedState) {
final ObbObserver observer = new ObbObserver();
assertTrue("unmountObb call on test1.obb should succeed",
sm.unmountObb(file.getPath(),
false, observer));
assertTrue("Unmount should have completed",
observer.waitForCompletion());
assertEquals(expectedState, observer.getState());
if (expectedState == OnObbStateChangeListener.UNMOUNTED) {
assertFalse("OBB should not be mounted", sm.isObbMounted(file.getPath()));
}
}
@LargeTest
public void testMountAndUnmountObbNormal() {
StorageManager sm = getStorageManager();
final File outFile = getFilePath("test1.obb");
mountObb(sm, R.raw.test1, outFile, OnObbStateChangeListener.MOUNTED);
mountObb(sm, R.raw.test1, outFile, OnObbStateChangeListener.ERROR_ALREADY_MOUNTED);
final String mountPath = checkMountedPath(sm, outFile);
final File mountDir = new File(mountPath);
assertTrue("OBB mounted path should be a directory",
mountDir.isDirectory());
unmountObb(sm, outFile, OnObbStateChangeListener.UNMOUNTED);
}
@LargeTest
public void testAttemptMountNonObb() {
StorageManager sm = getStorageManager();
final File outFile = getFilePath("test1_nosig.obb");
mountObb(sm, R.raw.test1_nosig, outFile, OnObbStateChangeListener.ERROR_INTERNAL);
assertFalse("OBB should not be mounted",
sm.isObbMounted(outFile.getPath()));
assertNull("OBB's mounted path should be null",
sm.getMountedObbPath(outFile.getPath()));
}
@LargeTest
public void testAttemptMountObbWrongPackage() {
StorageManager sm = getStorageManager();
final File outFile = getFilePath("test1_wrongpackage.obb");
mountObb(sm, R.raw.test1_wrongpackage, outFile,
OnObbStateChangeListener.ERROR_PERMISSION_DENIED);
assertFalse("OBB should not be mounted",
sm.isObbMounted(outFile.getPath()));
assertNull("OBB's mounted path should be null",
sm.getMountedObbPath(outFile.getPath()));
}
@LargeTest
public void testMountAndUnmountTwoObbs() {
StorageManager sm = getStorageManager();
final File file1 = getFilePath("test1.obb");
final File file2 = getFilePath("test2.obb");
ObbObserver oo1 = mountObbWithoutWait(sm, R.raw.test1, file1);
ObbObserver oo2 = mountObbWithoutWait(sm, R.raw.test1, file2);
Log.d(TAG, "Waiting for OBB #1 to complete mount");
waitForObbActionCompletion(sm, file1, oo1, OnObbStateChangeListener.MOUNTED, false);
Log.d(TAG, "Waiting for OBB #2 to complete mount");
waitForObbActionCompletion(sm, file2, oo2, OnObbStateChangeListener.MOUNTED, false);
final String mountPath1 = checkMountedPath(sm, file1);
final File mountDir1 = new File(mountPath1);
assertTrue("OBB mounted path should be a directory", mountDir1.isDirectory());
final String mountPath2 = checkMountedPath(sm, file2);
final File mountDir2 = new File(mountPath2);
assertTrue("OBB mounted path should be a directory", mountDir2.isDirectory());
unmountObb(sm, file1, OnObbStateChangeListener.UNMOUNTED);
unmountObb(sm, file2, OnObbStateChangeListener.UNMOUNTED);
}
public void testBuildObbPath() {
final int userId = 10;
// Paths outside external storage should remain untouched
assertEquals("/storage/random/foo",
buildObbPath("/storage/random/foo", userId, true));
assertEquals("/storage/random/foo",
buildObbPath("/storage/random/foo", userId, false));
// Paths on user-specific emulated storage
assertEquals("/mnt/shell/emulated/10/foo",
buildObbPath("/storage/emulated_legacy/foo", userId, true));
assertEquals("/storage/emulated/10/foo",
buildObbPath("/storage/emulated_legacy/foo", userId, false));
assertEquals("/mnt/shell/emulated/10/foo",
buildObbPath("/storage/emulated/10/foo", userId, true));
assertEquals("/storage/emulated/10/foo",
buildObbPath("/storage/emulated/10/foo", userId, false));
// Paths on shared OBB emulated storage
assertEquals("/mnt/shell/emulated/obb/foo",
buildObbPath("/storage/emulated_legacy/Android/obb/foo", userId, true));
assertEquals("/storage/emulated/0/Android/obb/foo",
buildObbPath("/storage/emulated_legacy/Android/obb/foo", userId, false));
assertEquals("/mnt/shell/emulated/obb/foo",
buildObbPath("/storage/emulated/10/Android/obb/foo", userId, true));
assertEquals("/storage/emulated/0/Android/obb/foo",
buildObbPath("/storage/emulated/10/Android/obb/foo", userId, false));
}
}
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