390 lines
12 KiB
Dart
390 lines
12 KiB
Dart
// Author: fruit.com.cn
|
|
|
|
import 'dart:async';
|
|
|
|
import 'package:flutter_test/flutter_test.dart';
|
|
import 'package:fruitshorts/core/data/models/drama.dart';
|
|
import 'package:fruitshorts/core/data/services/playback_session.dart';
|
|
import 'package:fruitshorts/core/data/models/player_port.dart';
|
|
|
|
void main() {
|
|
final episodes = List.generate(
|
|
5,
|
|
(i) => Episode(
|
|
id: 'ep-$i',
|
|
number: i + 1,
|
|
title: 'Episode $i',
|
|
videoUrl: 'https://example.test/$i.mp4',
|
|
isFree: i < 4,
|
|
),
|
|
);
|
|
|
|
test('should_start_warm_playback_when_old_native_disposal_is_still_running', () async {
|
|
final release = Completer<void>();
|
|
final factory = _Factory(disposeGates: {'ep-0': release});
|
|
final session = PlaybackSession(
|
|
episodes: episodes,
|
|
factory: factory.create,
|
|
canPlay: (_) => true,
|
|
);
|
|
await session.select(0, preloadIndex: 1);
|
|
await session.preloadSettled;
|
|
final selection = session.select(1, preloadIndex: 2);
|
|
await _tick();
|
|
expect(factory.players[1].playing, isTrue);
|
|
expect(factory.players[0].playing, isFalse);
|
|
expect(session.loading, isFalse);
|
|
expect(session.livePlayerCount, 2);
|
|
expect(factory.players, hasLength(2));
|
|
release.complete();
|
|
await selection;
|
|
await session.preloadSettled;
|
|
expect(factory.peakLive, 2);
|
|
await session.close();
|
|
});
|
|
|
|
test('should_block_another_route_from_allocating_when_native_release_fails', () async {
|
|
final factory = _Factory(disposeFailures: {'ep-0'});
|
|
final coordinator = PlaybackCoordinator();
|
|
PlaybackSession createSession() => PlaybackSession(
|
|
episodes: episodes,
|
|
factory: factory.create,
|
|
canPlay: (_) => true,
|
|
coordinator: coordinator,
|
|
);
|
|
final home = createSession();
|
|
final series = createSession();
|
|
await home.select(0, preloadIndex: 1);
|
|
await home.preloadSettled;
|
|
home.setRouteVisible(false);
|
|
await series.select(2, preloadIndex: 3);
|
|
expect(series.error, isNotNull);
|
|
expect(factory.players, hasLength(2));
|
|
await series.select(2, preloadIndex: 3);
|
|
await series.preloadSettled;
|
|
expect(series.error, isNull);
|
|
expect(factory.peakLive, 2);
|
|
await series.close();
|
|
await home.close();
|
|
expect(factory.live, 0);
|
|
});
|
|
|
|
test(
|
|
'should_prepare_next_silently_and_promote_it_when_swiped',
|
|
() async {
|
|
final factory = _Factory();
|
|
final prepared = <String>[];
|
|
final activated = <String>[];
|
|
final session = PlaybackSession(
|
|
episodes: episodes,
|
|
factory: factory.create,
|
|
canPlay: (e) => e.isFree,
|
|
prepare: (e, _) async => prepared.add(e.id),
|
|
activate: (e, _) async => activated.add(e.id),
|
|
);
|
|
await session.select(0, preloadIndex: 1);
|
|
await session.preloadSettled;
|
|
final warm = factory.players[1];
|
|
expect(prepared, ['ep-0', 'ep-1']);
|
|
expect(activated, ['ep-0']);
|
|
expect(warm.playCalls, 0);
|
|
expect(session.preloadedIndex, 1);
|
|
final loadingStates = <bool>[];
|
|
session.addListener(() => loadingStates.add(session.loading));
|
|
await session.select(1, preloadIndex: 2, previousIndex: 0);
|
|
await session.preloadSettled;
|
|
expect(session.active, same(warm));
|
|
expect(warm.initializeCalls, 1);
|
|
expect(warm.playCalls, 1);
|
|
expect(loadingStates, isNot(contains(true)));
|
|
expect(activated, ['ep-0', 'ep-1']);
|
|
expect(session.preparedPlayerAt(0), isNotNull);
|
|
expect(session.preparedPlayerAt(2), isNotNull);
|
|
expect(factory.peakLive, lessThanOrEqualTo(3));
|
|
expect(factory.peakPlaying, 1);
|
|
await session.close();
|
|
expect(factory.live, 0);
|
|
},
|
|
);
|
|
|
|
test('should_prepare_previous_neighbor_when_selected', () async {
|
|
final factory = _Factory();
|
|
final session = PlaybackSession(
|
|
episodes: episodes,
|
|
factory: factory.create,
|
|
canPlay: (_) => true,
|
|
);
|
|
await session.select(1, preloadIndex: 2, previousIndex: 0);
|
|
await session.preloadSettled;
|
|
expect(session.preparedPlayerAt(0), isNotNull);
|
|
expect(session.preparedPlayerAt(2), isNotNull);
|
|
expect(factory.players.map((player) => player.id).toSet(), {
|
|
'ep-0',
|
|
'ep-1',
|
|
'ep-2',
|
|
});
|
|
expect(factory.peakLive, 3);
|
|
await session.close();
|
|
});
|
|
|
|
test('should_warm_previous_without_waiting_for_slow_next', () async {
|
|
final nextGate = Completer<void>();
|
|
final factory = _Factory(gates: {'ep-2': nextGate});
|
|
final session = PlaybackSession(
|
|
episodes: episodes,
|
|
factory: factory.create,
|
|
canPlay: (_) => true,
|
|
);
|
|
|
|
await session.select(1, preloadIndex: 2, previousIndex: 0);
|
|
await _tick();
|
|
|
|
expect(session.preparedPlayerAt(0), isNotNull);
|
|
expect(session.preparedPlayerAt(2), isNull);
|
|
|
|
nextGate.complete();
|
|
await session.preloadSettled;
|
|
expect(session.preparedPlayerAt(2), isNotNull);
|
|
await session.close();
|
|
});
|
|
|
|
test('should_reuse_in_flight_preload_when_swiped_before_ready', () async {
|
|
final gate = Completer<void>();
|
|
final factory = _Factory(gates: {'ep-1': gate});
|
|
final session = PlaybackSession(
|
|
episodes: episodes,
|
|
factory: factory.create,
|
|
canPlay: (_) => true,
|
|
);
|
|
await session.select(0, preloadIndex: 1);
|
|
await _tick();
|
|
final warm = factory.players[1];
|
|
final selection = session.select(1, preloadIndex: 2);
|
|
await _tick();
|
|
expect(session.loading, isTrue);
|
|
gate.complete();
|
|
await selection;
|
|
await session.preloadSettled;
|
|
expect(session.active, same(warm));
|
|
expect(warm.initializeCalls, 1);
|
|
expect(factory.peakLive, lessThanOrEqualTo(3));
|
|
expect(factory.peakPlaying, 1);
|
|
await session.close();
|
|
});
|
|
|
|
test('should_discard_stale_warm_work_when_reversing_rapidly_or_skipping_selection', () async {
|
|
final gate = Completer<void>();
|
|
final factory = _Factory(gates: {'ep-1': gate});
|
|
final session = PlaybackSession(
|
|
episodes: episodes,
|
|
factory: factory.create,
|
|
canPlay: (_) => true,
|
|
);
|
|
await session.select(0, preloadIndex: 1);
|
|
await _tick();
|
|
final stale = factory.players[1];
|
|
final skip = session.select(3, preloadIndex: 4);
|
|
final reverse = session.select(0, preloadIndex: 2);
|
|
gate.complete();
|
|
await Future.wait([skip, reverse]);
|
|
await session.preloadSettled;
|
|
expect(session.currentIndex, 0);
|
|
expect(session.preloadedIndex, 2);
|
|
expect(stale.playCalls, 0);
|
|
expect(stale.disposed, isTrue);
|
|
expect(factory.peakLive, lessThanOrEqualTo(3));
|
|
expect(factory.peakPlaying, 1);
|
|
await session.close();
|
|
});
|
|
|
|
test(
|
|
'should_never_preload_wrong_episode_when_next_is_locked_or_category_based',
|
|
() async {
|
|
final factory = _Factory();
|
|
final session = PlaybackSession(
|
|
episodes: episodes,
|
|
factory: factory.create,
|
|
canPlay: (e) => e.isFree,
|
|
);
|
|
await session.select(0, preloadIndex: 2);
|
|
await session.preloadSettled;
|
|
expect(factory.players.map((p) => p.id), ['ep-0', 'ep-2']);
|
|
await session.select(0, preloadIndex: 4);
|
|
await session.preloadSettled;
|
|
expect(session.preloadedIndex, isNull);
|
|
expect(factory.players.any((p) => p.id == 'ep-4'), isFalse);
|
|
await session.close();
|
|
},
|
|
);
|
|
|
|
test('should_isolate_preload_failure_and_retry_once_when_selected', () async {
|
|
final factory = _Factory(failOnce: {'ep-1'});
|
|
final session = PlaybackSession(
|
|
episodes: episodes,
|
|
factory: factory.create,
|
|
canPlay: (_) => true,
|
|
);
|
|
await session.select(0, preloadIndex: 1);
|
|
await session.preloadSettled;
|
|
expect(session.error, isNull);
|
|
expect(session.loading, isFalse);
|
|
expect(factory.players.first.playing, isTrue);
|
|
await session.select(1);
|
|
expect(session.error, isNull);
|
|
expect(factory.players.where((p) => p.id == 'ep-1'), hasLength(2));
|
|
await session.close();
|
|
});
|
|
|
|
test('should_start_no_player_when_completion_happens_in_background', () async {
|
|
final gate = Completer<void>();
|
|
final factory = _Factory(gates: {'ep-1': gate});
|
|
final session = PlaybackSession(
|
|
episodes: episodes,
|
|
factory: factory.create,
|
|
canPlay: (_) => true,
|
|
);
|
|
await session.select(0, preloadIndex: 1);
|
|
await _tick();
|
|
final selection = session.select(1, preloadIndex: 2);
|
|
await _tick();
|
|
session.setAppResumed(false);
|
|
gate.complete();
|
|
await selection;
|
|
await session.preloadSettled;
|
|
expect(factory.players.every((p) => !p.playing), isTrue);
|
|
expect(factory.players.any((p) => p.id == 'ep-2'), isFalse);
|
|
session.setUserWantsPlay(false);
|
|
session.setAppResumed(true);
|
|
await session.playbackSettled;
|
|
expect(factory.players.every((p) => !p.playing), isTrue);
|
|
await session.close();
|
|
});
|
|
|
|
test('should_dispose_pending_resources_when_closing_during_preload', () async {
|
|
final gate = Completer<void>();
|
|
final factory = _Factory(gates: {'ep-1': gate});
|
|
final session = PlaybackSession(
|
|
episodes: episodes,
|
|
factory: factory.create,
|
|
canPlay: (_) => true,
|
|
);
|
|
await session.select(0, preloadIndex: 1);
|
|
await _tick();
|
|
final closed = session.close();
|
|
gate.complete();
|
|
await closed;
|
|
expect(factory.live, 0);
|
|
expect(factory.players.last.playCalls, 0);
|
|
});
|
|
|
|
test(
|
|
'should_share_two_player_budget_when_handing_off_between_home_and_series',
|
|
() async {
|
|
final factory = _Factory();
|
|
final coordinator = PlaybackCoordinator();
|
|
PlaybackSession createSession() => PlaybackSession(
|
|
episodes: episodes,
|
|
factory: factory.create,
|
|
canPlay: (_) => true,
|
|
coordinator: coordinator,
|
|
);
|
|
final home = createSession();
|
|
final series = createSession();
|
|
await home.select(0, preloadIndex: 1);
|
|
await home.preloadSettled;
|
|
home.setRouteVisible(false);
|
|
await series.select(2, preloadIndex: 3);
|
|
await series.preloadSettled;
|
|
expect(home.livePlayerCount, 0);
|
|
expect(factory.peakLive, 2);
|
|
expect(factory.peakPlaying, 1);
|
|
await series.close();
|
|
home.setRouteVisible(true);
|
|
await _tick();
|
|
await home.playbackSettled;
|
|
await home.preloadSettled;
|
|
expect(home.active, isNotNull);
|
|
expect(factory.peakLive, 2);
|
|
await home.close();
|
|
expect(factory.live, 0);
|
|
},
|
|
);
|
|
}
|
|
|
|
Future<void> _tick() => Future<void>.delayed(Duration.zero);
|
|
|
|
class _Factory {
|
|
_Factory({
|
|
this.gates = const {},
|
|
this.disposeGates = const {},
|
|
Set<String>? failOnce,
|
|
Set<String>? disposeFailures,
|
|
}) : failures = failOnce ?? {},
|
|
disposeFailures = disposeFailures ?? {};
|
|
final Map<String, Completer<void>> gates;
|
|
final Map<String, Completer<void>> disposeGates;
|
|
final Set<String> disposeFailures;
|
|
final Set<String> failures;
|
|
final List<_Player> players = [];
|
|
int live = 0;
|
|
int peakLive = 0;
|
|
int peakPlaying = 0;
|
|
|
|
PlayerPort create(Episode episode) {
|
|
live++;
|
|
if (live > peakLive) peakLive = live;
|
|
final player = _Player(
|
|
episode.id,
|
|
this,
|
|
gates[episode.id],
|
|
failures.remove(episode.id),
|
|
);
|
|
players.add(player);
|
|
return player;
|
|
}
|
|
}
|
|
|
|
class _Player implements PlayerPort {
|
|
_Player(this.id, this.factory, this.gate, this.fail);
|
|
final String id;
|
|
final _Factory factory;
|
|
final Completer<void>? gate;
|
|
final bool fail;
|
|
bool playing = false;
|
|
bool disposed = false;
|
|
int initializeCalls = 0;
|
|
int playCalls = 0;
|
|
|
|
@override
|
|
Future<void> initialize() async {
|
|
initializeCalls++;
|
|
await gate?.future;
|
|
if (fail) throw StateError('Test initialization failed');
|
|
}
|
|
|
|
@override
|
|
Future<void> play() async {
|
|
expect(disposed, isFalse);
|
|
playCalls++;
|
|
playing = true;
|
|
final count = factory.players.where((p) => p.playing).length;
|
|
if (count > factory.peakPlaying) factory.peakPlaying = count;
|
|
}
|
|
|
|
@override
|
|
Future<void> pause() async => playing = false;
|
|
|
|
@override
|
|
Future<void> dispose() async {
|
|
if (disposed) return;
|
|
await gate?.future;
|
|
await factory.disposeGates[id]?.future;
|
|
if (factory.disposeFailures.remove(id)) {
|
|
throw StateError('Test disposal failed');
|
|
}
|
|
disposed = true;
|
|
playing = false;
|
|
factory.live--;
|
|
}
|
|
}
|