yubioath-flutter/integration_test/test_util.dart

import 'package:flutter/material.dart';
import 'package:flutter_test/flutter_test.dart';
import 'package:yubico_authenticator/android/init.dart' as android;
import 'package:yubico_authenticator/app/views/device_button.dart';
import 'package:yubico_authenticator/core/state.dart';
import 'package:yubico_authenticator/desktop/init.dart' as desktop;

import 'android/util.dart';

Future<Widget> getAuthenticatorApp() async => isDesktop
    ? await desktop.initialize([])
    : isAndroid
        ? await android.initialize()
        : throw UnimplementedError('Platform not supported');

extension TestHelper on WidgetTester {
  /// Taps the device button
  Future<void> tapDeviceButton() async {
    await tap(find.byType(DeviceButton).hitTestable());
    await pump(const Duration(milliseconds: 500));
  }


  Future<void> startUp([Map<dynamic, dynamic>? startUpParams]) async {
    if (isAndroid) {
      return AndroidTestUtils.startUp(this, startUpParams);
    } else {
      // desktop
      return await pumpWidget(
          await getAuthenticatorApp(), const Duration(milliseconds: 2000));
    }
  }
}