import 'package:android_oaid/android_oaid.dart'; import 'package:flutter/foundation.dart'; import 'package:flutter/services.dart'; import 'package:flutter_test/flutter_test.dart'; void main() { const plugin = AndroidOaidId(); const channel = MethodChannel('android_oaid'); TestWidgetsFlutterBinding.ensureInitialized(); debugDefaultTargetPlatformOverride = TargetPlatform.android; setUp(() { TestDefaultBinaryMessengerBinding.instance.defaultBinaryMessenger .setMockMethodCallHandler(channel, (methodCall) async => '42'); }); tearDown(() { TestDefaultBinaryMessengerBinding.instance.defaultBinaryMessenger .setMockMethodCallHandler(channel, null); }); test('getAndroidId', () async { expect(await plugin.getOaid(), '42'); }); }