feat(01-02): create router, navigation shell, screens, and app shell test

- GoRouter with StatefulShellRoute.indexedStack and 3 branches (Home, Rooms, Settings) - AppShell with NavigationBar using localized labels and thematic icons - HomeScreen with empty state and cross-navigation to Rooms tab - RoomsScreen with empty state and placeholder action button - SettingsScreen with SegmentedButton theme switcher and About section - Widget test verifying 3 navigation destinations with correct German labels Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
2026-03-15 20:04:59 +01:00
parent cd1ce21f3f
commit f2dd737e9e
6 changed files with 342 additions and 0 deletions
--- a/test/shell/app_shell_test.dart
+++ b/test/shell/app_shell_test.dart
@@ -0,0 +1,70 @@
+import 'package:flutter/material.dart';
+import 'package:flutter_riverpod/flutter_riverpod.dart';
+import 'package:flutter_test/flutter_test.dart';
+import 'package:shared_preferences/shared_preferences.dart';
+
+import 'package:household_keeper/core/router/router.dart';
+import 'package:household_keeper/l10n/app_localizations.dart';
+
+void main() {
+  group('AppShell Navigation', () {
+    setUp(() {
+      SharedPreferences.setMockInitialValues({});
+    });
+
+    testWidgets('renders 3 navigation destinations with correct German labels',
+        (tester) async {
+      await tester.pumpWidget(
+        ProviderScope(
+          child: MaterialApp.router(
+            routerConfig: router,
+            localizationsDelegates: AppLocalizations.localizationsDelegates,
+            supportedLocales: const [Locale('de')],
+            locale: const Locale('de'),
+          ),
+        ),
+      );
+      await tester.pumpAndSettle();
+
+      // Verify 3 NavigationDestination widgets are rendered
+      expect(find.byType(NavigationDestination), findsNWidgets(3));
+
+      // Verify correct German labels from ARB (with umlauts)
+      expect(find.text('\u00dcbersicht'), findsOneWidget);
+      expect(find.text('R\u00e4ume'), findsOneWidget);
+      expect(find.text('Einstellungen'), findsOneWidget);
+    });
+
+    testWidgets('tapping a destination changes the selected tab',
+        (tester) async {
+      await tester.pumpWidget(
+        ProviderScope(
+          child: MaterialApp.router(
+            routerConfig: router,
+            localizationsDelegates: AppLocalizations.localizationsDelegates,
+            supportedLocales: const [Locale('de')],
+            locale: const Locale('de'),
+          ),
+        ),
+      );
+      await tester.pumpAndSettle();
+
+      // Initially on Home tab (index 0) -- verify home empty state is shown
+      expect(find.text('Noch nichts zu tun!'), findsOneWidget);
+
+      // Tap the Rooms tab (second destination)
+      await tester.tap(find.text('R\u00e4ume'));
+      await tester.pumpAndSettle();
+
+      // Verify we see Rooms content now
+      expect(find.text('Hier ist noch alles leer!'), findsOneWidget);
+
+      // Tap the Settings tab (third destination)
+      await tester.tap(find.text('Einstellungen'));
+      await tester.pumpAndSettle();
+
+      // Verify we see Settings content now
+      expect(find.text('Darstellung'), findsOneWidget);
+    });
+  });
+}