SpotiFLAC-Mobile/test/appearance_settings_test.dart

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:spotiflac_android/l10n/l10n.dart';
import 'package:spotiflac_android/models/theme_settings.dart';
import 'package:spotiflac_android/providers/theme_provider.dart';
import 'package:spotiflac_android/screens/settings/appearance_settings_page.dart';
import 'package:spotiflac_android/theme/dynamic_color_wrapper.dart';
import 'package:spotiflac_android/theme/mornye_theme.dart';

void main() {
  Future<void> openSettings(
    WidgetTester tester,
    SharedPreferences prefs,
  ) async {
    tester.view.physicalSize = const Size(390, 1000);
    tester.view.devicePixelRatio = 1;
    addTearDown(tester.view.reset);
    await tester.pumpWidget(
      ProviderScope(
        overrides: [
          initialThemeSettingsProvider.overrideWithValue(
            loadBootstrapThemeSettings(prefs),
          ),
        ],
        child: DynamicColorWrapper(
          builder: (light, dark, mode) => MaterialApp(
            theme: light,
            darkTheme: dark,
            themeMode: mode,
            localizationsDelegates: AppLocalizations.localizationsDelegates,
            supportedLocales: AppLocalizations.supportedLocales,
            home: const MornyeSettingsTheme(child: AppearanceSettingsPage()),
          ),
        ),
      ),
    );
    await tester.pumpAndSettle();
  }

  for (final mode in [ThemeMode.light, ThemeMode.dark]) {
    testWidgets('Mornye accent updates live and survives restart ($mode)', (
      tester,
    ) async {
      SharedPreferences.setMockInitialValues({
        kThemeStyleKey: 'mornye',
        kThemeModeKey: mode.name,
        kSeedColorKey: 0xff123456,
      });
      final prefs = await SharedPreferences.getInstance();
      await openSettings(tester, prefs);
      final page = find.byType(AppearanceSettingsPage);
      final initial = Theme.of(tester.element(page));
      expect(
        initial.colorScheme.primary,
        MornyeTheme.accentColor(MornyeAccent.red, initial.brightness),
      );

      final blue = find.byTooltip('Blue');
      await tester.ensureVisible(blue);
      await tester.tap(blue);
      await tester.pumpAndSettle();
      final theme = Theme.of(tester.element(page));
      expect(
        theme.colorScheme.primary,
        MornyeTheme.accentColor(MornyeAccent.blue, theme.brightness),
      );
      expect(prefs.getString(kMornyeAccentKey), 'blue');
      expect(prefs.getInt(kSeedColorKey), 0xff123456);
      final overlay = MornyeTheme.fromContext(
        tester.element(page),
        brightness: Brightness.dark,
      );
      expect(overlay.extension<MornyeTheme>()!.accent, MornyeAccent.blue);
      expect(
        overlay.colorScheme.primary,
        MornyeTheme.accentColor(MornyeAccent.blue, Brightness.dark),
      );

      await tester.pumpWidget(const SizedBox());
      await openSettings(tester, prefs);
      expect(
        Theme.of(tester.element(page)).colorScheme.primary,
        theme.colorScheme.primary,
      );
      await tester.ensureVisible(find.byTooltip('Red (default)'));
      await tester.tap(find.byTooltip('Red (default)'));
      await tester.pumpAndSettle();
      expect(
        Theme.of(tester.element(page)).colorScheme.primary,
        initial.colorScheme.primary,
      );
      expect(tester.takeException(), isNull);
    });
  }
}