import 'package:flutter_test/flutter_test.dart'; import 'package:flutter_inappwebview_android/flutter_inappwebview_android.dart'; import 'package:flutter_inappwebview_android/flutter_inappwebview_android_platform_interface.dart'; import 'package:flutter_inappwebview_android/flutter_inappwebview_android_method_channel.dart'; import 'package:plugin_platform_interface/plugin_platform_interface.dart'; class MockFlutterInappwebviewAndroidPlatform with MockPlatformInterfaceMixin implements InAppWebViewFlutterAndroid { @override Future getPlatformVersion() => Future.value('42'); } void main() { final InAppWebViewFlutterAndroid initialPlatform = InAppWebViewFlutterAndroid.instance; test('$MethodChannelInAppWebViewFlutterAndroid is the default instance', () { expect(initialPlatform, isInstanceOf()); }); test('getPlatformVersion', () async { FlutterInappwebviewAndroid flutterInappwebviewAndroidPlugin = FlutterInappwebviewAndroid(); MockFlutterInappwebviewAndroidPlatform fakePlatform = MockFlutterInappwebviewAndroidPlatform(); InAppWebViewFlutterAndroid.instance = fakePlatform; expect(await flutterInappwebviewAndroidPlugin.getPlatformVersion(), '42'); }); }