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Add DefaultPreloadManagerBinderStressTest

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Based on the idea for the ExoPlayer stress tests, we can set up more
stress tests for other components that verify
the components do not use system binder calls on the main thread.

PiperOrigin-RevId: 730964902
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tonihei 2025-02-25 11:30:51 -08:00 committed by Copybara-Service
parent 8937fb1df7
commit 676fe86028
1 changed files with 90 additions and 0 deletions
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libraries/exoplayer/src/androidTest/java/androidx/media3/exoplayer/source/preload/DefaultPreloadManagerBinderStressTest.java Normal file
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/*
* Copyright 2025 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.media3.exoplayer.source.preload;
import static androidx.media3.exoplayer.source.preload.DefaultPreloadManager.Status.STAGE_SOURCE_PREPARED;
import android.content.Context;
import android.view.SurfaceView;
import androidx.media3.common.AudioAttributes;
import androidx.media3.common.C;
import androidx.media3.common.MediaItem;
import androidx.media3.common.TrackSelectionParameters;
import androidx.media3.exoplayer.ExoPlayer;
import androidx.media3.exoplayer.upstream.DefaultBandwidthMeter;
import androidx.media3.exoplayer.util.EventLogger;
import androidx.media3.test.utils.BinderStressCreator;
import androidx.test.core.app.ApplicationProvider;
import androidx.test.ext.junit.runners.AndroidJUnit4;
import androidx.test.filters.SdkSuppress;
import org.junit.Test;
import org.junit.runner.RunWith;
/**
* Stress test for {@link DefaultPreloadManager} creation and usage under increased stress from
* system binder calls, verifying that no binder calls happen on the {@link DefaultPreloadManager}
* main thread.
*/
@RunWith(AndroidJUnit4.class)
@SdkSuppress(minSdkVersion = 23)
public class DefaultPreloadManagerBinderStressTest {
@Test
public void binderStressTest() throws Exception {
Context context = ApplicationProvider.getApplicationContext();
SurfaceView surfaceView = new SurfaceView(context);
BinderStressCreator.verifyNoSystemBinderCalls(
/* systemUnderTest= */ () -> {
DefaultPreloadManager.Builder builder =
new DefaultPreloadManager.Builder(
context,
rankingData -> new DefaultPreloadManager.Status(STAGE_SOURCE_PREPARED))
.setBandwidthMeter(new DefaultBandwidthMeter.Builder(context).build());
MediaItem mediaItem = MediaItem.fromUri("http://test.test");
DefaultPreloadManager preloadManager = builder.build();
preloadManager.addListener(new PreloadManagerListener() {});
preloadManager.add(mediaItem, /* rankingData= */ 1);
preloadManager.invalidate();
ExoPlayer player =
builder.buildExoPlayer(
new ExoPlayer.Builder(context)
.setHandleAudioBecomingNoisy(true)
.setDeviceVolumeControlEnabled(true)
.setWakeMode(C.WAKE_MODE_NETWORK)
.setSuppressPlaybackOnUnsuitableOutput(true));
player.setTrackSelectionParameters(
new TrackSelectionParameters.Builder()
.setViewportSizeToPhysicalDisplaySize(/* viewportOrientationMayChange= */ true)
.setPreferredTextLanguageAndRoleFlagsToCaptioningManagerSettings()
.build());
player.addAnalyticsListener(new EventLogger());
player.setAudioAttributes(AudioAttributes.DEFAULT, /* handleAudioFocus= */ true);
player.setDeviceVolume(/* volume= */ 1, C.VOLUME_FLAG_SHOW_UI);
player.setAudioSessionId(C.AUDIO_SESSION_ID_UNSET);
player.setVideoSurfaceView(surfaceView);
player.setMediaSource(preloadManager.getMediaSource(mediaItem));
player.prepare();
player.play();
preloadManager.release();
return player;
},
/* cleanUp= */ ExoPlayer::release);
}
}