Files
plezy/test/screens/video_player/player_initialization_lifecycle_test.dart
T

119 lines
4.5 KiB
Dart

import 'dart:async';
import 'package:flutter/material.dart';
import 'package:flutter/services.dart';
import 'package:flutter_test/flutter_test.dart';
import 'package:plezy/providers/playback_state_provider.dart';
import 'package:plezy/screens/video_player_screen.dart';
import 'package:plezy/services/settings_service.dart';
import 'package:plezy/focus/focusable_button.dart';
import 'package:provider/provider.dart';
import '../../test_helpers/media_items.dart';
import '../../test_helpers/mock_player_channels.dart';
import '../../test_helpers/prefs.dart';
void main() {
TestWidgetsFlutterBinding.ensureInitialized();
setUp(() async {
resetSharedPreferencesForTest();
SettingsService.resetForTesting();
await SettingsService.getInstance();
});
testWidgets('initialization ownership serializes rollback, retry, and route removal', (tester) async {
final failedDispose = Completer<void>();
final replacementInitialize = Completer<bool>();
final calls = <MethodCall>[];
final eventCalls = <MethodCall>[];
var initializeCount = 0;
await withMockPlayerChannels(
methodChannelName: 'com.plezy/mpv_player',
eventChannelName: 'com.plezy/mpv_player/events',
methodHandler: (call) {
calls.add(call);
switch (call.method) {
case 'initialize':
initializeCount++;
if (initializeCount == 2) return replacementInitialize.future;
return Future<Object?>.value(true);
case 'observeProperty':
if (initializeCount == 1) {
throw PlatformException(code: 'post_creation_failure', message: 'forced observation failure');
}
return Future<Object?>.value(null);
case 'dispose':
if (initializeCount == 1) return failedDispose.future;
return Future<Object?>.value(null);
default:
return Future<Object?>.value(null);
}
},
eventHandler: (call) async {
eventCalls.add(call);
return null;
},
testBody: () async {
final key = GlobalKey<VideoPlayerScreenState>();
await tester.pumpWidget(_screen(key));
await _pumpUntil(tester, () => calls.any((call) => call.method == 'dispose'));
expect(key.currentState?.player, isNull);
expect(find.widgetWithText(FilledButton, 'Retry'), findsNothing);
expect(initializeCount, 1);
expect(eventCalls.where((call) => call.method == 'cancel'), hasLength(1));
failedDispose.complete();
await _pumpUntil(tester, () => find.widgetWithText(FilledButton, 'Retry').evaluate().isNotEmpty);
final retryButton = tester.widget<FilledButton>(find.widgetWithText(FilledButton, 'Retry'));
final retryFocusable = tester.widget<FocusableButton>(
find.ancestor(of: find.widgetWithText(FilledButton, 'Retry'), matching: find.byType(FocusableButton)),
);
retryButton.onPressed!();
retryFocusable.onPressed!();
await _pumpUntil(tester, () => initializeCount == 2);
expect(initializeCount, 2);
expect(key.currentState?.player, isNull);
expect(calls.where((call) => call.method == 'dispose'), hasLength(1));
expect(eventCalls.where((call) => call.method == 'cancel'), hasLength(1));
await tester.pumpWidget(const SizedBox.shrink());
replacementInitialize.completeError(PlatformException(code: 'late_failure', message: 'forced late failure'));
await _pumpUntil(tester, () => calls.where((call) => call.method == 'dispose').length == 2);
expect(find.widgetWithText(FilledButton, 'Retry'), findsNothing);
expect(initializeCount, 2);
expect(calls.where((call) => call.method == 'dispose'), hasLength(2));
expect(eventCalls.where((call) => call.method == 'cancel'), hasLength(2));
},
);
});
}
Widget _screen(GlobalKey<VideoPlayerScreenState> key) {
return ChangeNotifierProvider(
create: (_) => PlaybackStateProvider(),
child: MaterialApp(
home: VideoPlayerScreen(
key: key,
metadata: testMediaItem(title: 'Lifecycle test video'),
isOffline: true,
),
),
);
}
Future<void> _pumpUntil(WidgetTester tester, bool Function() condition) async {
for (var i = 0; i < 200 && !condition(); i++) {
await tester.pump(const Duration(milliseconds: 10));
if (!condition()) {
await tester.runAsync(() => Future<void>.delayed(const Duration(milliseconds: 5)));
}
}
expect(condition(), isTrue);
}