Song-Tap oeffnet den Vollbild-Player mit grossem Cover

2026-08-27 15:10:33 +02:00
parent 648b22bfa7
commit 94a48675b1
7 changed files with 379 additions and 0 deletions
@@ -0,0 +1,121 @@
+import 'package:audio_service/audio_service.dart';
+import 'package:drift/drift.dart' show Value, driftRuntimeOptions;
+import 'package:drift/native.dart';
+import 'package:flutter/material.dart';
+import 'package:flutter/services.dart';
+import 'package:flutter_test/flutter_test.dart';
+import 'package:provider/provider.dart';
+import 'package:shared_preferences/shared_preferences.dart';
+import 'package:melo/library/category_service.dart';
+import 'package:melo/library/database.dart';
+import 'package:melo/library/playlist_service.dart';
+import 'package:melo/player/audio_handler.dart';
+import 'package:melo/player/now_playing_screen.dart';
+import 'package:melo/playlists/playlist_detail_screen.dart';
+import 'package:melo/settings/app_settings.dart';
+
+/// Ersetzt in [MeloAudioHandler.loadPlaylist] den echten just_audio-Zugriff:
+/// der spricht über Plattform-Kanäle, die im Widget-Test nicht existieren
+/// und mit `MissingPluginException` scheitern würden. Alles andere
+/// (Warteschlange, Mediendaten) bleibt echtes Handler-Verhalten.
+class _FakeAudioHandler extends MeloAudioHandler {
+  _FakeAudioHandler(MeloDb db) : super(db: db);
+
+  @override
+  Future<int> loadPlaylist(List<MediaItem> items, {int startIndex = 0}) async {
+    queue.add(items);
+    if (items.isNotEmpty) mediaItem.add(items[startIndex]);
+    return 0;
+  }
+}
+
+void main() {
+  late MeloDb db;
+  late CategoryService kategorien;
+  late PlaylistService playlists;
+  late AppSettings einstellungen;
+  late _FakeAudioHandler handler;
+  late String playlistId;
+
+  void stelleKanaeleRuhig() {
+    final messenger =
+        TestDefaultBinaryMessengerBinding.instance.defaultBinaryMessenger;
+    messenger.setMockMethodCallHandler(
+      const MethodChannel('plugins.flutter.io/path_provider'),
+      (call) async => '/tmp/melo-test',
+    );
+    messenger.setMockMethodCallHandler(
+      const MethodChannel('plugins.it_nomads.com/flutter_secure_storage'),
+      (call) async => null,
+    );
+  }
+
+  setUp(() async {
+    TestWidgetsFlutterBinding.ensureInitialized();
+    driftRuntimeOptions.dontWarnAboutMultipleDatabases = true;
+    SharedPreferences.setMockInitialValues({});
+    stelleKanaeleRuhig();
+    db = MeloDb(NativeDatabase.memory());
+    kategorien = CategoryService(db);
+    playlists = PlaylistService(db);
+    einstellungen = AppSettings();
+    await einstellungen.init();
+    handler = _FakeAudioHandler(db);
+    await db.into(db.songs).insert(SongsCompanion.insert(
+          id: 'song-1',
+          path: '/music/roses.mp3',
+          title: 'Roses',
+          artist: const Value('Neoni'),
+          dateAddedMs: 0,
+          updatedAtMs: 0,
+        ));
+    playlistId = await db.createPlaylist('Road Trip');
+    await db.addSongToPlaylist(playlistId, 'song-1', 0);
+  });
+
+  tearDown(() {
+    handler.dispose();
+    kategorien.dispose();
+    playlists.dispose();
+  });
+
+  testWidgets(
+      'Song in einer Wiedergabeliste antippen öffnet den Vollbild-Player',
+      (tester) async {
+    final playlist = Playlist(
+      id: playlistId,
+      name: 'Road Trip',
+      createdAtMs: 0,
+      updatedAtMs: 0,
+      deleted: false,
+    );
+
+    await tester.pumpWidget(
+      MultiProvider(
+        providers: [
+          Provider<MeloDb>.value(value: db),
+          Provider<MeloAudioHandler>.value(value: handler),
+          ChangeNotifierProvider<CategoryService>.value(value: kategorien),
+          ChangeNotifierProvider<PlaylistService>.value(value: playlists),
+          ChangeNotifierProvider<AppSettings>.value(value: einstellungen),
+        ],
+        child: MaterialApp(
+          home: PlaylistDetailScreen(playlist: playlist),
+        ),
+      ),
+    );
+    await tester.pumpAndSettle();
+
+    expect(find.byType(NowPlayingScreen), findsNothing);
+
+    await tester.tap(find.text('Roses'));
+    await tester.pumpAndSettle();
+
+    expect(find.byType(NowPlayingScreen), findsOneWidget);
+
+    // Ohne diesen Abschluss bleibt ein drift-Stream-Abo beim Abbau des
+    // Baums als offener Fake-Timer stehen.
+    await tester.pumpWidget(const SizedBox());
+    await tester.pump(const Duration(milliseconds: 1));
+  });
+}