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/*
* Copyright 2018 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 androidx.media;
import static org.junit.Assert.assertTrue;
import static org.junit.Assert.fail;
import android.content.ComponentName;
import android.content.Context;
import android.os.Bundle;
import android.os.Handler;
import android.os.Looper;
import androidx.core.util.ObjectsCompat;
import java.io.FileDescriptor;
import java.util.ArrayList;
import java.util.List;
import java.util.concurrent.CountDownLatch;
import java.util.concurrent.TimeUnit;
/**
* Utilities for tests.
*/
public final class TestUtils {
private static final int WAIT_TIME_MS = 1000;
private static final int WAIT_SERVICE_TIME_MS = 5000;
/**
* Finds the session with id in this test package.
*
* @param context
* @param id
* @return
*/
public static SessionToken2 getServiceToken(Context context, String id) {
switch (id) {
case MockMediaSessionService2.ID:
return new SessionToken2(context, new ComponentName(
context.getPackageName(), MockMediaSessionService2.class.getName()));
case MockMediaLibraryService2.ID:
return new SessionToken2(context, new ComponentName(
context.getPackageName(), MockMediaLibraryService2.class.getName()));
}
fail("Unknown id=" + id);
return null;
}
/**
* Compares contents of two bundles.
*
* @param a a bundle
* @param b another bundle
* @return {@code true} if two bundles are the same. {@code false} otherwise. This may be
* incorrect if any bundle contains a bundle.
*/
public static boolean equals(Bundle a, Bundle b) {
return contains(a, b) && contains(b, a);
}
/**
* Checks whether a Bundle contains another bundle.
*
* @param a a bundle
* @param b another bundle
* @return {@code true} if a contains b. {@code false} otherwise. This may be incorrect if any
* bundle contains a bundle.
*/
public static boolean contains(Bundle a, Bundle b) {
if (a == b) {
return true;
}
if (a == null || b == null) {
return b == null;
}
if (!a.keySet().containsAll(b.keySet())) {
return false;
}
for (String key : b.keySet()) {
if (!ObjectsCompat.equals(a.get(key), b.get(key))) {
return false;
}
}
return true;
}
/**
* Create a playlist for testing purpose
*
* Caller's method name will be used for prefix of each media item's media id.
*
* @param size list size
* @return the newly created playlist
*/
public static List createPlaylist(int size) {
final List list = new ArrayList<>();
String caller = Thread.currentThread().getStackTrace()[1].getMethodName();
for (int i = 0; i < size; i++) {
list.add(new MediaItem2.Builder(MediaItem2.FLAG_PLAYABLE)
.setMediaId(caller + "_item_" + (size + 1))
.setDataSourceDesc(createDSD()).build());
}
return list;
}
/**
* Create a media item with the metadata for testing purpose.
*
* @return the newly created media item
* @see #createMetadata()
*/
public static MediaItem2 createMediaItemWithMetadata() {
return new MediaItem2.Builder(MediaItem2.FLAG_PLAYABLE)
.setMetadata(createMetadata()).setDataSourceDesc(createDSD()).build();
}
/**
* Create a media metadata for testing purpose.
*
* Caller's method name will be used for the media id.
*
* @return the newly created media item
*/
public static MediaMetadata2 createMetadata() {
String mediaId = Thread.currentThread().getStackTrace()[1].getMethodName();
return new MediaMetadata2.Builder()
.putString(MediaMetadata2.METADATA_KEY_MEDIA_ID, mediaId).build();
}
private static DataSourceDesc createDSD() {
return new DataSourceDesc.Builder().setDataSource(new FileDescriptor()).build();
}
/**
* Create a bundle for testing purpose.
*
* @return the newly created bundle.
*/
public static Bundle createTestBundle() {
Bundle bundle = new Bundle();
bundle.putString("test_key", "test_value");
return bundle;
}
/**
* Handler that always waits until the Runnable finishes.
*/
public static class SyncHandler extends Handler {
public SyncHandler(Looper looper) {
super(looper);
}
public void postAndSync(final Runnable runnable) throws InterruptedException {
if (getLooper() == Looper.myLooper()) {
runnable.run();
} else {
final CountDownLatch latch = new CountDownLatch(1);
post(new Runnable() {
@Override
public void run() {
runnable.run();
latch.countDown();
}
});
assertTrue(latch.await(WAIT_TIME_MS, TimeUnit.MILLISECONDS));
}
}
}
}