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Migrate test resettingMediaSourcesGivesFreshSourceInfo() to TestExoPlayer

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PiperOrigin-RevId: 323985679
This commit is contained in:
christosts 2020-07-30 13:42:29 +01:00 committed by Oliver Woodman
parent 6d0696a3c8
commit 12bd36d41a
1 changed files with 44 additions and 61 deletions
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105
library/core/src/test/java/com/google/android/exoplayer2/ExoPlayerTest.java
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@ -18,6 +18,8 @@ package com.google.android.exoplayer2;
import static com.google.android.exoplayer2.testutil.FakeSampleStream.FakeSampleStreamItem.END_OF_STREAM_ITEM;
import static com.google.android.exoplayer2.testutil.FakeSampleStream.FakeSampleStreamItem.oneByteSample;
import static com.google.android.exoplayer2.testutil.TestExoPlayer.runUntilPlaybackState;
import static com.google.android.exoplayer2.testutil.TestExoPlayer.runUntilTimelineChanged;
import static com.google.android.exoplayer2.testutil.TestUtil.runMainLooperUntil;
import static com.google.common.truth.Truth.assertThat;
import static org.junit.Assert.assertArrayEquals;
import static org.junit.Assert.assertThrows;
@ -375,81 +377,62 @@ public final class ExoPlayerTest {
Timeline firstTimeline =
new FakeTimeline(
new TimelineWindowDefinition(
/* isSeekable= */ true, /* isDynamic= */ false, 1000_000_000));
/* isSeekable= */ true, /* isDynamic= */ false, /* durationUs= */ 1_000_000_000));
MediaSource firstSource = new FakeMediaSource(firstTimeline, ExoPlayerTestRunner.VIDEO_FORMAT);
final CountDownLatch queuedSourceInfoCountDownLatch = new CountDownLatch(1);
final CountDownLatch completePreparationCountDownLatch = new CountDownLatch(1);
Timeline secondTimeline = new FakeTimeline(/* windowCount= */ 1);
AtomicBoolean secondSourcePrepared = new AtomicBoolean();
MediaSource secondSource =
new FakeMediaSource(secondTimeline, ExoPlayerTestRunner.VIDEO_FORMAT) {
new FakeMediaSource(
new FakeTimeline(/* windowCount= */ 1), ExoPlayerTestRunner.VIDEO_FORMAT) {
@Override
public synchronized void prepareSourceInternal(
@Nullable TransferListener mediaTransferListener) {
super.prepareSourceInternal(mediaTransferListener);
// We've queued a source info refresh on the playback thread's event queue. Allow the
// test thread to set the third source to the playlist, and block this thread (the
// playback thread) until the test thread's call to setMediaSources() has returned.
queuedSourceInfoCountDownLatch.countDown();
try {
completePreparationCountDownLatch.await();
} catch (InterruptedException e) {
throw new IllegalStateException(e);
}
secondSourcePrepared.set(true);
}
};
Object thirdSourceManifest = new Object();
Timeline thirdTimeline = new FakeTimeline(/* windowCount= */ 1, thirdSourceManifest);
Timeline thirdTimeline = new FakeTimeline(/* windowCount= */ 1);
MediaSource thirdSource = new FakeMediaSource(thirdTimeline, ExoPlayerTestRunner.VIDEO_FORMAT);
SimpleExoPlayer player = new TestExoPlayer.Builder(context).setRenderers(renderer).build();
EventListener mockEventListener = mock(EventListener.class);
player.addListener(mockEventListener);
player.setMediaSource(firstSource);
player.prepare();
player.play();
runUntilTimelineChanged(player);
player.setMediaSource(secondSource);
runMainLooperUntil(secondSourcePrepared::get);
player.setMediaSource(thirdSource);
runUntilPlaybackState(player, Player.STATE_ENDED);
// Prepare the player with a source with the first manifest and a non-empty timeline. Prepare
// the player again with a source and a new manifest, which will never be exposed. Allow the
// test thread to set a third source, and block the playback thread until the test thread's call
// to setMediaSources() has returned.
ActionSchedule actionSchedule =
new ActionSchedule.Builder(TAG)
.waitForTimelineChanged(
firstTimeline, /* expectedReason */ Player.TIMELINE_CHANGE_REASON_SOURCE_UPDATE)
.setMediaSources(secondSource)
.executeRunnable(
() -> {
try {
queuedSourceInfoCountDownLatch.await();
} catch (InterruptedException e) {
// Ignore.
}
})
.setMediaSources(thirdSource)
.executeRunnable(completePreparationCountDownLatch::countDown)
.build();
ExoPlayerTestRunner testRunner =
new ExoPlayerTestRunner.Builder(context)
.setMediaSources(firstSource)
.setRenderers(renderer)
.setActionSchedule(actionSchedule)
.build()
.start()
.blockUntilActionScheduleFinished(TIMEOUT_MS)
.blockUntilEnded(TIMEOUT_MS);
testRunner.assertNoPositionDiscontinuities();
// The first source's preparation completed with a real timeline. When the second source was
// prepared, it immediately exposed a placeholder timeline, but the source info refresh from the
// second source was suppressed as we replace it with the third source before the update
// arrives.
testRunner.assertTimelinesSame(
placeholderTimeline,
firstTimeline,
placeholderTimeline,
placeholderTimeline,
thirdTimeline);
testRunner.assertTimelineChangeReasonsEqual(
Player.TIMELINE_CHANGE_REASON_PLAYLIST_CHANGED,
Player.TIMELINE_CHANGE_REASON_SOURCE_UPDATE,
Player.TIMELINE_CHANGE_REASON_PLAYLIST_CHANGED,
Player.TIMELINE_CHANGE_REASON_PLAYLIST_CHANGED,
Player.TIMELINE_CHANGE_REASON_SOURCE_UPDATE);
testRunner.assertTrackGroupsEqual(
new TrackGroupArray(new TrackGroup(ExoPlayerTestRunner.VIDEO_FORMAT)));
InOrder inOrder = inOrder(mockEventListener);
inOrder.verify(mockEventListener, never()).onPositionDiscontinuity(anyInt());
inOrder
.verify(mockEventListener)
.onTimelineChanged(
argThat(noUid(placeholderTimeline)),
eq(Player.TIMELINE_CHANGE_REASON_PLAYLIST_CHANGED));
inOrder
.verify(mockEventListener)
.onTimelineChanged(
argThat(noUid(firstTimeline)), eq(Player.TIMELINE_CHANGE_REASON_SOURCE_UPDATE));
inOrder
.verify(mockEventListener, times(2))
.onTimelineChanged(
argThat(noUid(placeholderTimeline)),
eq(Player.TIMELINE_CHANGE_REASON_PLAYLIST_CHANGED));
inOrder
.verify(mockEventListener)
.onTimelineChanged(
argThat(noUid(thirdTimeline)), eq(Player.TIMELINE_CHANGE_REASON_SOURCE_UPDATE));
inOrder
.verify(mockEventListener)
.onTracksChanged(
eq(new TrackGroupArray(new TrackGroup(ExoPlayerTestRunner.VIDEO_FORMAT))), any());
assertThat(renderer.isEnded).isTrue();
}