car-interface-android/test/jellyfin_album_screen_test.dart

import 'package:cardash_launcher/core/theme/app_theme.dart';
import 'package:cardash_launcher/data/services/jellyfin_library_service.dart';
import 'package:cardash_launcher/features/home/system_controller.dart';
import 'package:cardash_launcher/features/jellyfin/jellyfin_album_screen.dart';
import 'package:cardash_launcher/features/jellyfin/jellyfin_playback_controller.dart';
import 'package:cardash_launcher/features/settings/jellyfin_controller.dart';
import 'package:flutter/material.dart';
import 'package:flutter_test/flutter_test.dart';
import 'package:provider/provider.dart';

import 'jellyfin_fakes.dart';

void main() {
  testWidgets('shows the album, track list and transport, and changes tracks', (
    tester,
  ) async {
    await tester.binding.setSurfaceSize(const Size(1280, 800));
    addTearDown(() => tester.binding.setSurfaceSize(null));

    final jellyfin = await configuredJellyfinController();
    final gateway = FakeJellyfinLibraryGateway()
      ..albumFavorite = true
      ..tracks = {
        'album-1': [
          track('t1', albumId: 'album-1', albumName: 'Album 1', index: 1),
          track('t2', albumId: 'album-1', albumName: 'Album 1', index: 2),
          track('t3', albumId: 'album-1', albumName: 'Album 1', index: 3),
        ],
      };
    final library = JellyfinLibraryService(
      connectionProvider: () => jellyfin.connection,
      gateway: gateway,
    );
    final platform = FakeJellyfinPlaybackPlatform();
    final playback = JellyfinPlaybackController(
      platform,
      library,
      jellyfin,
      pollInterval: const Duration(hours: 1),
    );
    final albumOne = album('album-1', year: 2025);
    await playback.playAlbum(albumOne);

    final system = SystemController(FakeSystemPlatform());

    await tester.pumpWidget(
      MultiProvider(
        providers: [
          Provider<JellyfinLibraryService>.value(value: library),
          ChangeNotifierProvider<JellyfinController>.value(value: jellyfin),
          ChangeNotifierProvider<JellyfinPlaybackController>.value(
            value: playback,
          ),
          ChangeNotifierProvider<SystemController>.value(value: system),
        ],
        child: MaterialApp(
          theme: AppTheme.light(),
          home: JellyfinAlbumScreen(album: albumOne),
        ),
      ),
    );
    await tester.pumpAndSettle();

    expect(find.text('Album album-1 (2025)'), findsOneWidget);
    expect(find.text('Tracks'), findsOneWidget);
    expect(find.text('Track t1'), findsWidgets);
    expect(find.text('Track t2'), findsOneWidget);
    expect(find.text('Track t3'), findsOneWidget);
    expect(find.text('Now playing'), findsOneWidget);
    expect(find.byType(Slider), findsOneWidget);
    expect(find.bySemanticsLabel('Previous track'), findsOneWidget);
    expect(find.bySemanticsLabel('Pause music'), findsOneWidget);
    expect(find.bySemanticsLabel('Next track'), findsOneWidget);
    expect(find.bySemanticsLabel('Volume down'), findsOneWidget);
    expect(find.bySemanticsLabel('Volume up'), findsOneWidget);
    expect(find.bySemanticsLabel('Remove from favorites'), findsOneWidget);
    final coverRect = tester.getRect(
      find.byKey(const ValueKey('jellyfin-album-cover')),
    );
    final cardRect = tester.getRect(
      find.byKey(const ValueKey('jellyfin-album-progress-card')),
    );
    expect(cardRect.bottom, moreOrLessEquals(coverRect.bottom, epsilon: 0.5));
    final trackListRect = tester.getRect(
      find.byKey(const ValueKey('jellyfin-album-track-list')),
    );
    expect(trackListRect.top, greaterThan(coverRect.bottom));
    expect(tester.takeException(), isNull);

    await tester.drag(find.byType(Slider), const Offset(120, 0));
    await tester.pumpAndSettle();
    expect(
      platform.commands.any((command) => command.startsWith('seek:')),
      isTrue,
    );

    await tester.tap(find.bySemanticsLabel('Remove from favorites'));
    await tester.pumpAndSettle();
    expect(gateway.setFavoriteCalls, 1);
    expect(gateway.lastFavoriteValue, isFalse);
    expect(find.bySemanticsLabel('Add to favorites'), findsOneWidget);

    await tester.tap(find.bySemanticsLabel('Next track'));
    await tester.pumpAndSettle();
    expect(platform.commands, contains('next'));
    expect(playback.currentItem?.trackId, 't2');
    expect(find.text('Track t2'), findsWidgets);

    await tester.tap(find.text('Track t3'));
    await tester.pumpAndSettle();
    expect(platform.commands, contains('seekToIndex:2'));
    expect(playback.currentItem?.trackId, 't3');

    await tester.tap(find.bySemanticsLabel('Previous track'));
    await tester.pumpAndSettle();
    expect(platform.commands, contains('previous'));
    expect(playback.currentItem?.trackId, 't2');

    await tester.binding.setSurfaceSize(const Size(1024, 600));
    await tester.pumpAndSettle();
    final narrowCover = tester.getRect(
      find.byKey(const ValueKey('jellyfin-album-cover')),
    );
    final narrowCard = tester.getRect(
      find.byKey(const ValueKey('jellyfin-album-progress-card')),
    );
    expect(
      narrowCard.bottom,
      moreOrLessEquals(narrowCover.bottom, epsilon: 0.5),
    );
    expect(tester.takeException(), isNull);

    await tester.pumpWidget(const SizedBox.shrink());
    playback.dispose();
    jellyfin.dispose();
    system.dispose();
  });
}