yx_app_upgrade_flutter/example/test/widget_test.dart

// This is a basic Flutter widget test.
//
// To perform an interaction with a widget in your test, use the WidgetTester
// utility in the flutter_test package. For example, you can send tap and scroll
// gestures. You can also use WidgetTester to find child widgets in the widget
// tree, read text, and verify that the values of widget properties are correct.

import 'package:app_upgrade_plugin/app_upgrade_plugin.dart';
import 'package:app_upgrade_plugin/app_upgrade_plugin_enhanced.dart';
import 'package:app_upgrade_plugin_example/main.dart';
import 'package:flutter/services.dart';
import 'package:flutter_test/flutter_test.dart';

class MockAppUpgradePluginEnhanced implements AppUpgradePluginEnhanced {
  // 在这里 mock AppUpgradePluginEnhanced 的所有方法和属性
  // ...
  // 你可以根据测试需要返回特定的值

  @override
  void addDownloadCallback(DownloadCallback callback) {}
  @override
  void addErrorCallback(ErrorCallback callback) {}
  @override
  void addUpgradeCallback(UpgradeCallback callback) {}
  @override
  Future<bool> checkApkExists(String version, String? md5) async => false;
  @override
  Future<UpgradeInfo?> checkUpdateSmart(String url,
          {Map<String, dynamic>? params, bool forceRefresh = false, Duration? cacheDuration}) async =>
      null;
  @override
  Future<void> clearCache() async {}
  @override
  UpgradeConfig get config => UpgradeConfig.instance;
  @override
  void configure(
      {bool? debugMode,
      int? checkIntervalHours,
      bool? autoCheck,
      bool? wifiOnly,
      int? downloadTimeout,
      int? connectTimeout,
      int? maxRetryCount,
      bool? supportBreakpoint,
      bool? verifyIntegrity,
      VersionCompareStrategy? versionStrategy,
      Map<String, String>? customHeaders}) {}
  @override
  void dispose() {}
  @override
  Future<String?> downloadApkSmart(String url,
          {String? versionName,
          Function(DownloadProgress p1)? onProgress,
          String? savePath,
          String? md5,
          String? sha256,
          bool resumeIfExists = true}) async =>
      null;
  @override
  Future<Map<String, String>> getAppInfo() async => {};
  @override
  Future<Map<String, dynamic>> getCacheStats() async => {};
  @override
  DownloadTask? getCurrentDownloadTask() => null;
  @override
  Future<String?> getPlatformVersion() async => 'mock';
  @override
  Future<bool> goToAppStore(String url) async => false;
  @override
  Future<bool> installApkSmart(String filePath) async => false;
  @override
  NetworkStatus? get networkStatus => NetworkStatus(
        type: NetworkType.wifi,
        quality: NetworkQuality.good,
        isConnected: true,
        isMetered: false,
      );
  @override
  void pauseDownload() {}
  @override
  void removeDownloadCallback(DownloadCallback callback) {}
  @override
  void removeErrorCallback(ErrorCallback callback) {}
  @override
  void removeUpgradeCallback(UpgradeCallback callback) {}
  @override
  Future<bool> resumeDownload() async => false;
  @override
  Future<bool> retryDownload() async => false;
  @override
  Future<void> refreshNetworkStatus() async {}
  @override
  VersionComparator get versionComparator => VersionComparator();
  @override
  void cancelDownload() {}
}

void main() {
  // 关键修复：确保测试绑定已初始化
  TestWidgetsFlutterBinding.ensureInitialized();

  setUp(() {
    // 为所有方法通道设置一个默认的 mock 处理器，防止未 mock 的调用抛出异常
    TestDefaultBinaryMessengerBinding.instance.defaultBinaryMessenger.setMockMethodCallHandler(
      const MethodChannel('plugins.flutter.io/package_info'),
      (MethodCall methodCall) async {
        if (methodCall.method == 'getAll') {
          return <String, dynamic>{
            'appName': 'app_upgrade_plugin_example',
            'packageName': 'com.example.app_upgrade_plugin_example',
            'version': '1.0.0',
            'buildNumber': '1',
          };
        }
        return null;
      },
    );

    TestDefaultBinaryMessengerBinding.instance.defaultBinaryMessenger.setMockMethodCallHandler(
      const MethodChannel('dexterous.com/flutter/local_notifications'),
      (MethodCall methodCall) async => null, // 对通知插件的所有调用都返回 null
    );

    TestDefaultBinaryMessengerBinding.instance.defaultBinaryMessenger.setMockMethodCallHandler(
      const MethodChannel('dev.flutter.plugins/connectivity'),
      (MethodCall methodCall) async {
        if (methodCall.method == 'check') {
          return 'wifi'; // 模拟网络状态为 WiFi
        }
        return null;
      },
    );
  });

  testWidgets('Verify Platform version', (WidgetTester tester) async {
    // 使用 Mock enhanced plugin
    AppUpgradeSimple.instance = AppUpgradeSimple.private(plugin: MockAppUpgradePluginEnhanced());

    await tester.pumpWidget(const MyApp());

    // 只验证应用能正常启动，不验证具体的UI内容
    expect(find.byType(MyApp), findsOneWidget);
  });

  testWidgets('Verify Network Status Detection', (WidgetTester tester) async {
    // 使用 Mock enhanced plugin
    final mockPlugin = MockAppUpgradePluginEnhanced();
    AppUpgradeSimple.instance = AppUpgradeSimple.private(plugin: mockPlugin);

    await tester.pumpWidget(const MyApp());

    // 验证网络状态检测功能
    final networkStatus = mockPlugin.networkStatus;

    expect(networkStatus, isNotNull);
    expect(networkStatus!.isConnected, isTrue);
    expect(networkStatus.type, equals(NetworkType.wifi));
    expect(networkStatus.isMetered, isFalse);
  });
}