101 lines
2.7 KiB
Dart
101 lines
2.7 KiB
Dart
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/// Widget/单元测试共用替身（P3 计划 Task 3）。
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///
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/// 与 test/core/api_client_test.dart 中的手写打桩同款：FakeAdapter 为
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/// dio HttpClientAdapter，按路由分发预设响应并记录全部请求；未引入
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/// http_mock_adapter（零额外 dev 依赖，打桩面完全可控）。
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library;
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import 'dart:async';
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import 'dart:convert';
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import 'package:dio/dio.dart';
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import 'package:photo_live/core/session_store.dart';
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/// 内存会话存储（测试替身）。
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class FakeSessionStore implements SessionStore {
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Session? session;
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@override
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Future<Session?> read() async => session;
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@override
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Future<void> save(Session value) async => session = value;
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@override
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Future<void> clear() async => session = null;
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}
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/// 记录到适配器的请求快照。
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class RecordedRequest {
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const RecordedRequest({
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required this.method,
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required this.path,
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required this.headers,
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required this.body,
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});
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final String method;
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final String path;
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final Map<String, dynamic> headers;
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final Object? body;
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}
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/// 手写 dio 打桩适配器：按路由分发预设响应并记录全部请求。
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///
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/// [router] 返回 `(status, body)`（可为 async 以模拟慢响应/加载态）；
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/// body 为 null 表示无响应体（204）。
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class FakeAdapter implements HttpClientAdapter {
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FakeAdapter(this.router);
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final FutureOr<(int, Object?)> Function(RequestOptions options) router;
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final List<RecordedRequest> requests = <RecordedRequest>[];
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@override
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Future<ResponseBody> fetch(
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RequestOptions options,
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Stream? requestStream,
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Future? cancelFuture,
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) async {
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requests.add(
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RecordedRequest(
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method: options.method,
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path: options.path,
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headers: Map<String, dynamic>.from(options.headers),
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body: options.data,
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),
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);
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final (status, body) = await router(options);
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if (body == null) {
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// 204 等：空体且不带 JSON content-type（transformer 不解码）。
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return ResponseBody.fromString('', status);
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}
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return ResponseBody.fromString(
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jsonEncode(body),
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status,
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headers: {
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Headers.contentTypeHeader: [Headers.jsonContentType],
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},
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);
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}
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@override
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void close({bool force = false}) {}
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}
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/// 常用响应体：登录成功（openapi LoginResponse 形状）。
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Map<String, dynamic> loginOkBody({
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String token = 'tok-new',
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String expiresAt = '2026-09-20T12:00:00Z',
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}) => <String, dynamic>{
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'sessionToken': token,
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'expiresAt': expiresAt,
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};
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/// 常用响应体：契约 Error 形状。
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Map<String, dynamic> errorBody(String code) => <String, dynamic>{
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'code': code,
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'message': 'stub message',
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'requestId': 'req-stub',
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};
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