car-interface-android/test/display_controller_test.dart

import 'package:cardash_launcher/core/display_controller.dart';
import 'package:cardash_launcher/data/models/app_entry.dart';
import 'package:cardash_launcher/data/models/media_playback.dart';
import 'package:cardash_launcher/data/models/system_status.dart';
import 'package:cardash_launcher/data/repositories/settings_repository.dart';
import 'package:cardash_launcher/data/services/native_bridge.dart';
import 'package:flutter_test/flutter_test.dart';
import 'package:shared_preferences/shared_preferences.dart';

class _DisplayPlatform implements LauncherPlatform {
  final List<bool> calls = [];

  @override
  Future<List<AppEntry>> listApps() async => const [];

  @override
  Future<void> launchApp({
    required String packageName,
    required String activityName,
  }) async {}

  @override
  Future<bool> isDefaultHome() async => true;

  @override
  Future<bool> requestDefaultHome() async => true;

  @override
  Future<SystemStatus> getStatus() async => const SystemStatus();

  @override
  Future<VolumeInfo> getVolume() async => const VolumeInfo();

  @override
  Future<void> setVolume(int index) async {}

  @override
  Future<bool> isMusicPlaying() async => false;

  @override
  Future<bool> sendMediaKey(String action) async => true;

  @override
  Future<MediaPlayback> getMediaState() async => const MediaPlayback();

  @override
  Future<bool> openNotificationAccessSettings() async => true;

  @override
  Future<void> setKeepScreenOn(bool enabled) async {
    calls.add(enabled);
  }
}

void main() {
  test('keeps the screen on by default and persists a change', () async {
    SharedPreferences.setMockInitialValues({});
    final prefs = await SharedPreferences.getInstance();
    final settings = SettingsRepository(prefs);
    final platform = _DisplayPlatform();
    final controller = DisplayController(platform, settings);
    addTearDown(controller.dispose);

    expect(controller.keepScreenOn, isTrue);
    await controller.initialize();
    expect(platform.calls.last, isTrue);

    await controller.setKeepScreenOn(false);
    expect(controller.keepScreenOn, isFalse);
    expect(platform.calls.last, isFalse);
    expect(SettingsRepository(prefs).keepScreenOn, isFalse);
    expect(
      DisplayController(platform, SettingsRepository(prefs)).keepScreenOn,
      isFalse,
    );
  });
}