import 'package:flutter_test/flutter_test.dart'; import 'package:my_feature_module/my_feature_module.dart'; import 'package:plugin_platform_interface/plugin_platform_interface.dart'; class MockMyFeatureModulePlatform with MockPlatformInterfaceMixin implements MyFeatureModulePlatform { @override Future getPlatformVersion() => Future.value('42'); } void main() { final MyFeatureModulePlatform initialPlatform = MyFeatureModulePlatform.instance; test('$MethodChannelMyFeatureModule is the default instance', () { expect(initialPlatform, isInstanceOf()); }); test('getPlatformVersion', () async { MyFeatureModule myFeatureModulePlugin = MyFeatureModule(); MockMyFeatureModulePlatform fakePlatform = MockMyFeatureModulePlatform(); MyFeatureModulePlatform.instance = fakePlatform; expect(await myFeatureModulePlugin.getPlatformVersion(), '42'); }); }