import 'package:flutter_test/flutter_test.dart'; import 'package:webview_cef/webview_cef.dart'; import 'package:webview_cef/webview_cef_platform_interface.dart'; import 'package:webview_cef/webview_cef_method_channel.dart'; import 'package:plugin_platform_interface/plugin_platform_interface.dart'; class MockWebviewCefPlatform with MockPlatformInterfaceMixin implements WebviewCefPlatform { @override Future getPlatformVersion() => Future.value('42'); } void main() { final WebviewCefPlatform initialPlatform = WebviewCefPlatform.instance; test('$MethodChannelWebviewCef is the default instance', () { expect(initialPlatform, isInstanceOf()); }); test('getPlatformVersion', () async { WebviewCef webviewCefPlugin = WebviewCef(); MockWebviewCefPlatform fakePlatform = MockWebviewCefPlatform(); WebviewCefPlatform.instance = fakePlatform; expect(await webviewCefPlugin.getPlatformVersion(), '42'); }); }