import 'dart:async'; import 'dart:convert'; import 'package:audio_service/audio_service.dart'; import 'package:flutter/material.dart'; import 'package:flutter/services.dart'; import 'package:flutter_riverpod/flutter_riverpod.dart'; import 'package:flutter_test/flutter_test.dart'; import 'package:spotiflac_android/l10n/l10n.dart'; import 'package:spotiflac_android/providers/music_player_provider.dart'; import 'package:spotiflac_android/screens/now_playing_screen.dart'; void main() { TestWidgetsFlutterBinding.ensureInitialized(); const backendChannel = MethodChannel('com.zarz.spotiflac/backend'); late StreamController mediaItems; setUp(() { mediaItems = StreamController.broadcast(); TestDefaultBinaryMessengerBinding.instance.defaultBinaryMessenger .setMockMethodCallHandler(backendChannel, (call) async { if (call.method != 'readFileMetadata') { fail('Unexpected platform call: ${call.method}'); } final arguments = (call.arguments as Map).cast(); final path = arguments['file_path']?.toString() ?? ''; final lyrics = path.endsWith('/timed.flac') ? '''Short''' : path.endsWith('/second.flac') ? '[00:01.00]Second lyric' : '[00:01.00]First lyric'; return jsonEncode({ 'title': path.endsWith('/second.flac') ? 'Second' : 'First', 'lyrics': lyrics, }); }); }); tearDown(() async { await mediaItems.close(); TestDefaultBinaryMessengerBinding.instance.defaultBinaryMessenger .setMockMethodCallHandler(backendChannel, null); }); MediaItem item(String id) => MediaItem( id: id, title: id == 'first' ? 'First' : 'Second', artist: 'Artist', album: 'Album', duration: const Duration(minutes: 3), extras: {'source': 'content://library/$id.flac'}, ); Future pumpNowPlaying(WidgetTester tester) async { tester.view.physicalSize = const Size(1080, 1920); tester.view.devicePixelRatio = 1; addTearDown(tester.view.resetPhysicalSize); addTearDown(tester.view.resetDevicePixelRatio); await tester.pumpWidget( ProviderScope( overrides: [ currentMediaItemProvider.overrideWith((ref) => mediaItems.stream), playbackStateProvider.overrideWith((ref) => const Stream.empty()), playQueueProvider.overrideWith((ref) => const Stream.empty()), ], child: const MaterialApp( localizationsDelegates: AppLocalizations.localizationsDelegates, supportedLocales: AppLocalizations.supportedLocales, home: NowPlayingScreen(), ), ), ); } testWidgets( 'automatic SAF track change refreshes lyrics while Lyrics page is active', (tester) async { await pumpNowPlaying(tester); mediaItems.add(item('first')); await tester.pumpAndSettle(); await tester.drag(find.byType(PageView), const Offset(-700, 0)); await tester.pumpAndSettle(); expect(find.text('First lyric'), findsOneWidget); mediaItems.add(item('second')); await tester.pumpAndSettle(); expect(find.text('Second lyric'), findsOneWidget); expect(find.text('First lyric'), findsNothing); }, ); testWidgets('short timed lyric remains horizontally centered', ( tester, ) async { await pumpNowPlaying(tester); mediaItems.add(item('timed')); await tester.pumpAndSettle(); await tester.drag(find.byType(PageView), const Offset(-700, 0)); await tester.pumpAndSettle(); final lyric = find.bySemanticsLabel('Short'); expect(lyric, findsOneWidget); expect(tester.getCenter(lyric).dx, closeTo(540, 1)); }); testWidgets('Now Playing menu exposes Go to Album when album is known', ( tester, ) async { await pumpNowPlaying(tester); mediaItems.add(item('first')); await tester.pumpAndSettle(); await tester.tap(find.byIcon(Icons.more_vert)); await tester.pumpAndSettle(); expect(find.text('Go to Album'), findsOneWidget); expect(find.byIcon(Icons.album_outlined), findsOneWidget); }); testWidgets('Now Playing menu exposes sleep timer duration choices', ( tester, ) async { await pumpNowPlaying(tester); mediaItems.add(item('first')); await tester.pumpAndSettle(); await tester.tap(find.byIcon(Icons.more_vert)); await tester.pumpAndSettle(); await tester.tap(find.text('Sleep timer')); await tester.pumpAndSettle(); expect(find.text('15 minutes'), findsOneWidget); expect(find.text('30 minutes'), findsOneWidget); expect(find.text('45 minutes'), findsOneWidget); expect(find.text('60 minutes'), findsOneWidget); expect(find.text('Turn off sleep timer'), findsNothing); }); }