| /* |
| * 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 java.io.FileDescriptor; |
| import java.util.ArrayList; |
| import java.util.List; |
| import java.util.Objects; |
| 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) { |
| if (a == b) { |
| return true; |
| } |
| if (a == null || b == null) { |
| return false; |
| } |
| if (!a.keySet().containsAll(b.keySet()) |
| || !b.keySet().containsAll(a.keySet())) { |
| return false; |
| } |
| for (String key : a.keySet()) { |
| if (!Objects.equals(a.get(key), b.get(key))) { |
| return false; |
| } |
| } |
| return true; |
| } |
| |
| /** |
| * Create a playlist for testing purpose |
| * <p> |
| * Caller's method name will be used for prefix of each media item's media id. |
| * |
| * @param size lits size |
| * @return the newly created playlist |
| */ |
| public static List<MediaItem2> createPlaylist(int size) { |
| final List<MediaItem2> 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( |
| new DataSourceDesc.Builder() |
| .setDataSource(new FileDescriptor()) |
| .build()) |
| .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()).build(); |
| } |
| |
| /** |
| * Create a media metadata for testing purpose. |
| * <p> |
| * 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(); |
| } |
| |
| /** |
| * 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)); |
| } |
| } |
| } |
| } |