SpotiFLAC-Mobile/test/settings_search_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/app_localizations.dart';
import 'package:spotiflac_android/screens/settings/about_page.dart';
import 'package:spotiflac_android/screens/settings/settings_tab.dart';
import 'package:spotiflac_android/theme/app_theme.dart';

void main() {
  setUp(() {
    SharedPreferences.setMockInitialValues({});
  });

  Future<void> pumpSettings(WidgetTester tester) async {
    await tester.pumpWidget(
      ProviderScope(
        child: MaterialApp(
          theme: AppTheme.light(),
          localizationsDelegates: AppLocalizations.localizationsDelegates,
          supportedLocales: AppLocalizations.supportedLocales,
          home: const Scaffold(body: SettingsTab()),
        ),
      ),
    );
    await tester.pumpAndSettle();
  }

  testWidgets('finds controls nested inside a settings page', (tester) async {
    await pumpSettings(tester);

    await tester.enterText(find.byType(TextField), 'parallel downloads');
    await tester.pump();

    expect(find.text('Concurrent downloads'), findsOneWidget);
    expect(find.text('Download'), findsOneWidget);
    expect(
      find.text('No settings found for "parallel downloads"'),
      findsNothing,
    );
  });

  testWidgets(
    'returning from a search result does not restore keyboard focus',
    (tester) async {
      await pumpSettings(tester);

      final searchField = find.byType(TextField);
      await tester.tap(searchField);
      await tester.enterText(searchField, 'build number');
      await tester.pump();

      final focusedField = tester.widget<TextField>(searchField);
      expect(focusedField.focusNode?.hasFocus, isTrue);
      expect(find.text('Version'), findsOneWidget);

      await tester.tap(find.text('Version'));
      await tester.pumpAndSettle();
      expect(find.byType(AboutPage), findsOneWidget);

      await tester.pageBack();
      await tester.pumpAndSettle();

      final restoredField = tester.widget<TextField>(find.byType(TextField));
      expect(restoredField.focusNode?.hasFocus, isFalse);
      expect(tester.testTextInput.isVisible, isFalse);
      expect(find.text('Version'), findsOneWidget);
    },
  );
}