import 'package:drift/native.dart'; import 'package:flutter_test/flutter_test.dart'; import 'package:melo/library/database.dart'; import 'package:melo/library/playlist_service.dart'; void main() { late MeloDb db; late PlaylistService service; setUp(() { db = MeloDb(NativeDatabase.memory()); service = PlaylistService(db); }); tearDown(() async => db.close()); test('createPlaylist delegates to db and notifies listeners', () async { var notified = false; service.addListener(() => notified = true); await service.createPlaylist('Road Trip'); final playlists = await db.watchPlaylists().first; expect(playlists.length, 1); expect(playlists.first.name, 'Road Trip'); expect(notified, true); }); test('toggleFavorite delegates to db and notifies listeners', () async { await db.into(db.songs).insert(SongsCompanion.insert( id: 'song-1', path: '/a.mp3', title: 'A', dateAddedMs: 0, updatedAtMs: 0, )); var notified = false; service.addListener(() => notified = true); await service.toggleFavorite('song-1'); expect(await db.watchIsFavorite('song-1').first, true); expect(notified, true); }); }