Integrationstests: kompletter Zyklus gegen echtes HomeShell + State-Persistenz-Nachweis
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Hermes (Server)
@@ -142,4 +142,30 @@ void main() {
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await tester.tap(find.byType(GestureDetector), warnIfMissed: false);
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expect(getappt, isFalse);
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});
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testWidgets(
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'Kompletter Zyklus: Ziehen öffnet, Blur erscheint, Zurück-Taste schließt',
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(tester) async {
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await tester.pumpWidget(const MaterialApp(home: _TestShell()));
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final ctx = tester.element(find.byType(_TestShell));
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final controller =
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tester.state<_TestShellState>(find.byType(_TestShell))._controller;
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controller.dragBy(-250);
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await tester.pump();
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expect(controller.progress, closeTo(250 / oeffnenReferenzHoehe, 0.01));
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expect(find.byType(BackdropFilter), findsOneWidget);
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controller.dragEnd(ctx, -250, 0);
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await tester.pumpAndSettle();
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expect(controller.progress, 1.0);
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// pageBack() sucht einen sichtbaren Zurück-Button, den es hier ohne
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// zweite Route nicht gibt (siehe Plan-Hinweis für den Umsetzer) —
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// Navigator.maybePop() löst denselben PopScope-Callback aus.
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await Navigator.maybePop(ctx);
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await tester.pumpAndSettle();
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expect(controller.progress, 0.0);
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expect(find.byType(BackdropFilter), findsNothing);
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});
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}
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@@ -0,0 +1,174 @@
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import 'package:drift/native.dart';
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import 'package:flutter/material.dart';
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import 'package:flutter_test/flutter_test.dart';
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import 'package:melo/library/category_service.dart';
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import 'package:melo/library/database.dart';
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import 'package:melo/library/library_service.dart';
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import 'package:melo/library/playlist_service.dart';
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import 'package:melo/main.dart';
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import 'package:melo/player/audio_handler.dart';
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import 'package:melo/player/mini_player.dart';
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import 'package:melo/player/player_expansion_controller.dart';
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import 'package:melo/services/baka_auth.dart';
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import 'package:melo/services/download_service.dart';
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import 'package:melo/services/melo_cloud_service.dart';
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import 'package:melo/services/navidrome_service.dart';
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import 'package:melo/services/offline_mode.dart';
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import 'package:melo/services/sync_service.dart';
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import 'package:melo/services/yt_download_service.dart';
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import 'package:melo/services/yt_search_service.dart';
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import 'package:melo/settings/app_settings.dart';
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import 'package:provider/provider.dart';
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import 'package:shared_preferences/shared_preferences.dart';
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// Dieselbe _MemorySpeicher/Provider-Verdrahtung wie test/home_shell_test.dart
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// — von dort übernommen, nicht neu erfunden.
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class _MemorySpeicher implements TokenSpeicher {
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final Map<String, String> werte = {};
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@override
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Future<String?> lesen(String key) async => werte[key];
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@override
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Future<void> schreiben(String key, String wert) async => werte[key] = wert;
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@override
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Future<void> loeschen(String key) async => werte.remove(key);
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}
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void main() {
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setUp(() => SharedPreferences.setMockInitialValues({}));
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testWidgets(
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'Echtes HomeShell: Blur-Layer reagiert live auf progress, nicht erst '
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'beim nächsten fremden Rebuild', (tester) async {
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final db = MeloDb(NativeDatabase.memory());
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final lib = LibraryService(db);
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final playlists = PlaylistService(db);
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final handler = MeloAudioHandler(db: db);
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final auth = BakaAuth(speicher: _MemorySpeicher());
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await tester.pumpWidget(MultiProvider(
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providers: [
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Provider<MeloDb>.value(value: db),
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ChangeNotifierProvider<LibraryService>.value(value: lib),
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ChangeNotifierProvider<PlaylistService>.value(value: playlists),
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Provider<MeloAudioHandler>.value(value: handler),
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ChangeNotifierProvider<CategoryService>(create: (_) => CategoryService(db)),
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ChangeNotifierProvider<AppSettings>(create: (_) => AppSettings()),
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ChangeNotifierProvider<OfflineMode>(create: (_) => OfflineMode()),
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ChangeNotifierProvider<BakaAuth>(create: (_) => auth),
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ChangeNotifierProvider<YtDownloadService>(
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create: (_) => YtDownloadService(auth: auth)),
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ChangeNotifierProvider<YtSearchService>(
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create: (_) => YtSearchService(auth: auth)),
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ChangeNotifierProvider<DownloadService>(
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create: (_) => DownloadService(db: db, navidrome: NavidromeService())),
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ChangeNotifierProvider<SyncService>(
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create: (_) =>
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SyncService(db: db, cloud: MeloCloudService(auth: auth))),
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],
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child: const MaterialApp(home: HomeShell()),
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));
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await tester.pump();
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expect(find.byType(BackdropFilter), findsNothing);
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// PlayerExpansionController wird von HomeShell selbst per
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// ChangeNotifierProvider INNERHALB seines eigenen build() bereitgestellt
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// — der Provider sitzt also unterhalb (nicht oberhalb) des HomeShell-
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// Elements im Baum. Provider.of von einem HomeShell-Element aus würde
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// deshalb ins Leere laufen (Ancestor-Lookup findet nur Vorfahren, nicht
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// die eigenen Nachfahren) — stattdessen ein Element unterhalb nehmen,
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// z.B. MiniPlayer, das immer im Stack steckt, auch ohne laufenden Titel.
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final descendantContext = tester.element(find.byType(MiniPlayer));
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final controller = Provider.of<PlayerExpansionController>(
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descendantContext,
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listen: false);
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controller.open(descendantContext);
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// Absichtlich NUR EINEN kurzen Zwischenschritt pumpen (nicht
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// pumpAndSettle) — das ist der entscheidende Unterschied zum
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// `_TestShell`-Test: er beweist, dass der Blur-Layer OHNE einen
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// zusätzlichen, fremden setState()-Trigger (z.B. Tab-Wechsel) live
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// erscheint.
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await tester.pump();
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await tester.pump(const Duration(milliseconds: 50));
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expect(find.byType(BackdropFilter), findsOneWidget);
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await tester.pumpAndSettle();
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// Baum abbauen, bevor der Test endet — derselbe Grund wie in
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// test/home_shell_test.dart (offener Positions-Timer des Audio-Handlers).
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await tester.pumpWidget(const SizedBox());
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handler.dispose();
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await tester.pump(const Duration(milliseconds: 1));
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});
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testWidgets(
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'State-Persistenz: _CoverGrundState bleibt über einen '
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'open()/close()/open()-Zyklus erhalten (Spec-Vorteil ggü. dem früheren '
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'Navigator.push, das die Route bei jedem Schließen disposte)',
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(tester) async {
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final db = MeloDb(NativeDatabase.memory());
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final lib = LibraryService(db);
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final playlists = PlaylistService(db);
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final handler = MeloAudioHandler(db: db);
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final auth = BakaAuth(speicher: _MemorySpeicher());
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await tester.pumpWidget(MultiProvider(
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providers: [
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Provider<MeloDb>.value(value: db),
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ChangeNotifierProvider<LibraryService>.value(value: lib),
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ChangeNotifierProvider<PlaylistService>.value(value: playlists),
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Provider<MeloAudioHandler>.value(value: handler),
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ChangeNotifierProvider<CategoryService>(create: (_) => CategoryService(db)),
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ChangeNotifierProvider<AppSettings>(create: (_) => AppSettings()),
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ChangeNotifierProvider<OfflineMode>(create: (_) => OfflineMode()),
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ChangeNotifierProvider<BakaAuth>(create: (_) => auth),
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ChangeNotifierProvider<YtDownloadService>(
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create: (_) => YtDownloadService(auth: auth)),
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ChangeNotifierProvider<YtSearchService>(
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create: (_) => YtSearchService(auth: auth)),
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ChangeNotifierProvider<DownloadService>(
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create: (_) => DownloadService(db: db, navidrome: NavidromeService())),
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ChangeNotifierProvider<SyncService>(
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create: (_) =>
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SyncService(db: db, cloud: MeloCloudService(auth: auth))),
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],
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child: const MaterialApp(home: HomeShell()),
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));
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await tester.pump();
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// _CoverGrund ist privat (now_playing_screen.dart) — von außen per
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// runtimeType-Namen gefunden statt per find.byType, das den Typ
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// importierbar/öffentlich voraussetzen würde. skipOffstage: false ist
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// hier nötig: bei progress == 0 steckt NowPlayingScreen in einem
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// Visibility(visible: false, maintainState: true) — genau das soll
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// dieser Test ja beweisen —, und Flutters Standard-Finder überspringen
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// Offstage-Elemente per Default (per Debug-Ausgabe verifiziert).
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final coverGrundFinder = find.byWidgetPredicate(
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(w) => w.runtimeType.toString() == '_CoverGrund',
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skipOffstage: false);
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expect(coverGrundFinder, findsOneWidget,
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reason: 'NowPlayingScreen bleibt dank Visibility(maintainState: '
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'true) (Task 5) von Anfang an im Baum, auch bei progress == 0.');
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final zustandVorher = tester.state(coverGrundFinder);
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final descendantContext = tester.element(find.byType(MiniPlayer));
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final controller = Provider.of<PlayerExpansionController>(
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descendantContext,
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listen: false);
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controller.open(descendantContext);
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await tester.pumpAndSettle();
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controller.close(descendantContext);
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await tester.pumpAndSettle();
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controller.open(descendantContext);
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await tester.pumpAndSettle();
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final zustandNachher = tester.state(coverGrundFinder);
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expect(identical(zustandVorher, zustandNachher), isTrue,
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reason: '_CoverGrundState wäre beim früheren Navigator.push-Ansatz '
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'bei jedem Schließen disposed und neu erzeugt worden.');
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await tester.pumpWidget(const SizedBox());
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handler.dispose();
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await tester.pump(const Duration(milliseconds: 1));
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});
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}
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