ElectronicAssistant/plugin/umeng_common/test/umeng_common_test.dart

import 'package:flutter_test/flutter_test.dart';
import 'package:umeng_common/umeng_common.dart';
import 'package:umeng_common/umeng_common_platform_interface.dart';
import 'package:umeng_common/umeng_common_method_channel.dart';
import 'package:plugin_platform_interface/plugin_platform_interface.dart';

class MockUmengCommonPlatform
    with MockPlatformInterfaceMixin
    implements UmengCommonPlatform {

  @override
  Future<String?> getPlatformVersion() => Future.value('42');
}

void main() {
  final UmengCommonPlatform initialPlatform = UmengCommonPlatform.instance;

  test('$MethodChannelUmengCommon is the default instance', () {
    expect(initialPlatform, isInstanceOf<MethodChannelUmengCommon>());
  });

  test('getPlatformVersion', () async {
    UmengCommon umengCommonPlugin = UmengCommon();
    MockUmengCommonPlatform fakePlatform = MockUmengCommonPlatform();
    UmengCommonPlatform.instance = fakePlatform;

    expect(await umengCommonPlugin.getPlatformVersion(), '42');
  });
}