95 lines
3.5 KiB
Dart
95 lines
3.5 KiB
Dart
import 'dart:convert';
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import 'dart:io';
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import 'package:analytics_sdk/config/sdk_config.dart';
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import 'package:analytics_sdk/manager/domain_manager.dart';
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import 'package:flutter/services.dart';
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import 'package:flutter_test/flutter_test.dart';
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/// DomainManager 磁盘缓存测试
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///
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/// 使用 MethodChannel mock 将 path_provider 重定向到系统临时目录，
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/// 测试缓存读写逻辑而无需真实设备文件系统。
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void main() {
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TestWidgetsFlutterBinding.ensureInitialized();
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late Directory tempDir;
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const channel = MethodChannel('plugins.flutter.io/path_provider');
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setUp(() async {
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tempDir = await Directory.systemTemp.createTemp('dm_cache_test_');
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// 将 path_provider 所有路径请求重定向到临时目录
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TestDefaultBinaryMessengerBinding.instance.defaultBinaryMessenger
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.setMockMethodCallHandler(channel, (MethodCall call) async {
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return tempDir.path;
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});
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// 重置单例缓存路径（确保每个 test 都从全新状态开始）
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DomainManager.instance.reset();
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});
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tearDown(() async {
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TestDefaultBinaryMessengerBinding.instance.defaultBinaryMessenger
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.setMockMethodCallHandler(channel, null);
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if (tempDir.existsSync()) {
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await tempDir.delete(recursive: true);
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}
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});
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group('DomainManager 磁盘缓存', () {
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test('缓存文件不存在时 loadCachedDomains() 返回空列表', () async {
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final result = await DomainManager.instance.loadCachedDomains();
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expect(result, isEmpty);
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});
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test('写入缓存后 loadCachedDomains() 返回正确域名列表', () async {
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final domains = ['https://api.example.com', 'https://api2.example.com'];
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// 直接写入缓存文件模拟之前 initWithDomains 写入的结果
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final cacheFile =
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File('${tempDir.path}/${SdkConfig.domainCacheFileName}');
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await cacheFile.writeAsString(jsonEncode(domains));
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final result = await DomainManager.instance.loadCachedDomains();
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expect(result, equals(domains));
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});
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test('缓存文件 JSON 格式损坏时 loadCachedDomains() 返回空列表（不抛异常）', () async {
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final cacheFile =
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File('${tempDir.path}/${SdkConfig.domainCacheFileName}');
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await cacheFile.writeAsString('not valid json {{{');
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expect(
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() async => await DomainManager.instance.loadCachedDomains(),
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returnsNormally,
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);
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final result = await DomainManager.instance.loadCachedDomains();
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expect(result, isEmpty);
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});
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test('空字符串或空格不被解析为有效域名', () async {
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final cacheFile =
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File('${tempDir.path}/${SdkConfig.domainCacheFileName}');
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await cacheFile.writeAsString(jsonEncode([' ', '', 'https://ok.com']));
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final result = await DomainManager.instance.loadCachedDomains();
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expect(result, equals(['https://ok.com']));
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});
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});
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group('DomainManager.reset()', () {
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test('reset() 后 fastestDomain 和 reportDomains 均为空', () async {
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// 先通过缓存文件让 loadCachedDomains 有数据
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final cacheFile =
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File('${tempDir.path}/${SdkConfig.domainCacheFileName}');
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await cacheFile.writeAsString(jsonEncode(['https://api.example.com']));
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// reset() 只清内存状态，不删文件
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DomainManager.instance.reset();
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expect(DomainManager.instance.fastestDomain, isNull);
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expect(DomainManager.instance.reportDomains, isEmpty);
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// 缓存文件应仍然存在
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expect(cacheFile.existsSync(), isTrue);
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});
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});
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}
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