car-interface-android/test/obd_settings_card_test.dart

import 'package:cardash_launcher/core/theme/app_theme.dart';
import 'package:cardash_launcher/data/models/bluetooth_device_info.dart';
import 'package:cardash_launcher/data/models/bluetooth_power_state.dart';
import 'package:cardash_launcher/data/models/gps_speed.dart';
import 'package:cardash_launcher/data/models/location_reading.dart';
import 'package:cardash_launcher/data/models/obd_state.dart';
import 'package:cardash_launcher/data/repositories/settings_repository.dart';
import 'package:cardash_launcher/data/services/telemetry_bridge.dart';
import 'package:cardash_launcher/features/home/obd_controller.dart';
import 'package:cardash_launcher/features/settings/obd_settings_card.dart';
import 'package:flutter/material.dart';
import 'package:flutter_test/flutter_test.dart';
import 'package:provider/provider.dart';
import 'package:shared_preferences/shared_preferences.dart';

const _obd = BluetoothDeviceInfo(
  name: 'ELM327',
  address: 'AA:BB:CC:DD:EE:01',
  deviceClass: 0x1F00,
);
const _phone = BluetoothDeviceInfo(
  name: 'Pixel 8',
  address: 'AA:BB:CC:DD:EE:02',
  deviceClass: 0x0200,
);

class _CardTelemetry implements TelemetryPlatform {
  @override
  Future<List<BluetoothDeviceInfo>> listBondedDevices() async => const [
    _obd,
    _phone,
  ];

  @override
  Future<BluetoothPowerState> bluetoothState() async => BluetoothPowerState.on;

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

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

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

  @override
  Future<LocationReading> getLocation() async =>
      const LocationReading(latitude: 0, longitude: 0, place: '');

  @override
  Future<void> connectObd(String address) async {}

  @override
  Future<void> disconnectObd() async {}

  @override
  Future<ObdState> getObdState() async => const ObdState();

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

  @override
  Future<void> stopGpsSpeed() async {}

  @override
  Future<GpsSpeed> getGpsSpeed() async => const GpsSpeed();
}

void main() {
  testWidgets('OBD card hides phones until Show all paired devices is tapped', (
    tester,
  ) async {
    await tester.binding.setSurfaceSize(const Size(900, 700));
    addTearDown(() => tester.binding.setSurfaceSize(null));

    SharedPreferences.setMockInitialValues({});
    final prefs = await SharedPreferences.getInstance();
    final controller = ObdController(
      _CardTelemetry(),
      SettingsRepository(prefs),
    );
    addTearDown(controller.dispose);

    await tester.pumpWidget(
      MaterialApp(
        theme: AppTheme.light(),
        home: ChangeNotifierProvider<ObdController>.value(
          value: controller,
          child: const Scaffold(
            body: SizedBox(
              width: 560,
              child: Padding(
                padding: EdgeInsets.all(24),
                child: ObdSettingsCard(),
              ),
            ),
          ),
        ),
      ),
    );
    await tester.pumpAndSettle();

    expect(find.text('ELM327 · AA:BB:CC:DD:EE:01'), findsNothing);
    expect(find.text('Show all paired devices'), findsOneWidget);

    await tester.tap(find.text('None').first);
    await tester.pumpAndSettle();
    expect(find.text('ELM327 · AA:BB:CC:DD:EE:01'), findsOneWidget);
    expect(find.text('Pixel 8 · AA:BB:CC:DD:EE:02'), findsNothing);

    await tester.tap(find.text('None').last);
    await tester.pumpAndSettle();
    await tester.tap(find.text('Show all paired devices'));
    await tester.pumpAndSettle();
    await tester.tap(find.text('None').first);
    await tester.pumpAndSettle();

    expect(find.text('Pixel 8 · AA:BB:CC:DD:EE:02'), findsOneWidget);
  });
}