car-interface-android/test/home_hint_test.dart

import 'package:cardash_launcher/core/theme/app_theme.dart';
import 'package:cardash_launcher/features/home/widgets/home_hint.dart';
import 'package:flutter/material.dart';
import 'package:flutter_test/flutter_test.dart';

Widget _host(HomeHint hint) {
  return MaterialApp(
    theme: AppTheme.light(),
    home: Scaffold(body: Center(child: hint)),
  );
}

void main() {
  testWidgets('hint fades out ten minutes after first launch', (tester) async {
    final firstLaunch = DateTime(2026, 1, 1, 12);

    await tester.pumpWidget(
      _host(
        HomeHint(
          text: 'Hold a shortcut to change the app',
          firstLaunchAt: firstLaunch,
          clock: () => firstLaunch.add(const Duration(minutes: 1)),
        ),
      ),
    );

    expect(find.text('Hold a shortcut to change the app'), findsOneWidget);

    await tester.pump(const Duration(minutes: 10));
    await tester.pump(const Duration(milliseconds: 400));

    expect(find.text('Hold a shortcut to change the app'), findsNothing);
  });

  testWidgets('hint never appears after the first-launch window', (
    tester,
  ) async {
    final firstLaunch = DateTime(2026, 1, 1, 12);

    await tester.pumpWidget(
      _host(
        HomeHint(
          text: 'Hold a shortcut to change the app',
          firstLaunchAt: firstLaunch,
          clock: () => firstLaunch.add(const Duration(minutes: 11)),
        ),
      ),
    );

    expect(find.text('Hold a shortcut to change the app'), findsNothing);
  });

  testWidgets('an upgraded installation has no onboarding hint', (
    tester,
  ) async {
    await tester.pumpWidget(
      _host(
        HomeHint(
          text: 'Hold a shortcut to change the app',
          firstLaunchAt: DateTime.fromMillisecondsSinceEpoch(0),
        ),
      ),
    );

    expect(find.text('Hold a shortcut to change the app'), findsNothing);
  });
}