# 后端既有基线测试失败修复 Implementation Plan > **For agentic workers:** REQUIRED SUB-SKILL: Use superpowers:subagent-driven-development (recommended) or superpowers:executing-plans to implement this plan task-by-task. Steps use checkbox (`- [ ]`) syntax for tracking. **Goal:** 消除后端全量测试中的 4 个既有失败,保持 AES-GCM 单一加密协议,并恢复三个业务列表的 `order_num` 优先排序。 **Architecture:** 不扩展运行时加密接口,只把与现行协议冲突的 CBC 测试替换为 AES-GCM 防篡改回归测试。排序修复限定在 `collection_protocol.py` 的三个查询,通过现有失败测试驱动加入 `order_num ASC`,并保留 `create_time DESC` 作为次级排序。 **Tech Stack:** Python 3.9、pytest、unittest、SQLAlchemy、cryptography AESGCM --- ## 文件结构 - Modify: `backend/tests/test_api_crypto.py` — 用 AES-GCM 防篡改测试替换失效的 CBC 参数测试。 - Modify: `backend/app/crud/collection_protocol.py` — 修复审核、缴费待确认、退款待确认三个列表的排序。 - Verify: `backend/tests/test_collection_protocol_conventions.py` — 复用三个现有失败测试,不调整预期。 - Update: `backend/graphify-out/*` — 按仓库要求更新后端代码知识图谱。 ### Task 1: 纠正加密测试契约 **Files:** - Modify: `backend/tests/test_api_crypto.py:36-46` - Reference: `backend/app/core/api_crypto.py:32-56` - [ ] **Step 1: 保留现有红灯证据** Run: ```bash cd backend PYTHONPATH=. venv/bin/pytest tests/test_api_crypto.py::ApiCryptoTests::test_encrypt_decrypt_roundtrip_cbc -v ``` Expected: FAIL with `TypeError: encrypt_json() got an unexpected keyword argument 'alg'`,证明旧测试要求了运行时不存在且前端未使用的 CBC 接口。 - [ ] **Step 2: 将 CBC 测试替换为 AES-GCM 防篡改测试** 将 `test_encrypt_decrypt_roundtrip_cbc` 替换为: ```python def test_decrypt_rejects_tampered_gcm_ciphertext(self): key = api_crypto.derive_key( fixed_secret="fixed-secret", user_id="u1", ts=1714300000000, nonce="nonce-2", ) payload = {"list": [1, 2, 3], "ok": True} cipher = api_crypto.encrypt_json(payload, key) raw = bytearray(api_crypto._b64url_decode(cipher)) raw[-1] ^= 1 tampered = api_crypto._b64url_encode(bytes(raw)) with self.assertRaises(api_crypto.ApiCryptoError): api_crypto.decrypt_json(tampered, key) ``` - [ ] **Step 3: 运行加密测试** Run: ```bash cd backend PYTHONPATH=. venv/bin/pytest tests/test_api_crypto.py -v ``` Expected: `3 passed`。该任务只纠正测试契约,不修改生产加密代码。 - [ ] **Step 4: 提交加密测试修复** ```bash git add backend/tests/test_api_crypto.py git commit -m "test: align API crypto coverage with the AES-GCM protocol." ``` ### Task 2: 修复三个协议相关列表的排序 **Files:** - Modify: `backend/app/crud/collection_protocol.py:1510` - Modify: `backend/app/crud/collection_protocol.py:1685` - Modify: `backend/app/crud/collection_protocol.py:1838` - Test: `backend/tests/test_collection_protocol_conventions.py:119-289` - [ ] **Step 1: 运行三个排序测试确认红灯** Run: ```bash cd backend PYTHONPATH=. venv/bin/pytest \ tests/test_collection_protocol_conventions.py::TestListAuditsSortOrder::test_list_audits_includes_order_num_in_sort \ tests/test_collection_protocol_conventions.py::TestListReceiptConfirmSortOrder::test_receipt_confirm_includes_order_num_in_sort \ tests/test_collection_protocol_conventions.py::TestListRefundConfirmSortOrder::test_refund_confirm_includes_order_num_in_sort \ -v ``` Expected: 3 failed,且每项均显示 `order_by` 只有一个 `create_time.desc()` 参数。 - [ ] **Step 2: 修复审核列表排序** 在 `list_audits` 中使用: ```python q_base.order_by( BizProtocolAudit.order_num.asc(), BizProtocolAudit.create_time.desc(), ) ``` - [ ] **Step 3: 修复缴费待确认列表排序** 在 `list_receipt_confirm_details` 中使用: ```python q_base.order_by( BizProtocolPaymentDetail.order_num.asc(), BizProtocolPaymentDetail.create_time.desc(), ) ``` - [ ] **Step 4: 修复退款待确认列表排序** 在 `list_refund_confirm_details` 中使用: ```python q_base.order_by( BizProtocolPaymentDetail.order_num.asc(), BizProtocolPaymentDetail.create_time.desc(), ) ``` - [ ] **Step 5: 运行协议约定测试确认绿灯** Run: ```bash cd backend PYTHONPATH=. venv/bin/pytest tests/test_collection_protocol_conventions.py -v ``` Expected: `13 passed`。 - [ ] **Step 6: 提交排序修复** ```bash git add backend/app/crud/collection_protocol.py git commit -m "fix: honor order numbers in protocol workflow lists." ``` ### Task 3: 全量验证与知识图谱更新 **Files:** - Update: `backend/graphify-out/*` - [ ] **Step 1: 运行两份定向测试** Run: ```bash cd backend PYTHONPATH=. venv/bin/pytest -q tests/test_api_crypto.py tests/test_collection_protocol_conventions.py ``` Expected: `16 passed`,0 failed。 - [ ] **Step 2: 运行后端全量测试** Run: ```bash cd backend PYTHONPATH=. venv/bin/pytest -q ``` Expected: `916 passed`,0 failed;允许保留现有第三方弃用 warning。 - [ ] **Step 3: 更新后端知识图谱** Run: ```bash ./scripts/update-graph.sh backend ``` Expected: 命令退出码为 0,`backend/graphify-out/` 更新完成。 - [ ] **Step 4: 复跑定向测试并检查差异** Run: ```bash cd backend PYTHONPATH=. venv/bin/pytest -q tests/test_api_crypto.py tests/test_collection_protocol_conventions.py cd .. git diff --check git status --short ``` Expected: `16 passed`;`git diff --check` 无输出;工作区中本任务代码差异仅为加密测试、三个排序表达式及知识图谱更新,其他既有改动保持不变。 - [ ] **Step 5: 提交知识图谱更新** ```bash git add backend/graphify-out git commit -m "chore: refresh the backend code knowledge graph after sorting fixes." ``` ### Task 3 执行记录/偏差 - 全量后端测试实际结果:`916 passed, 37 warnings`,退出码为 0;警告来自现有第三方弃用提示及 LibreSSL 兼容提示。 - `./scripts/update-graph.sh backend` 退出码为 0;生成的 `graph.json` 包含 6,122 nodes、33,427 edges、46 communities。 - 执行前 `backend/graphify-out/*` 已有未提交改动,且生成图包含仍未提交的市场功能源码。为保护既有改动并保持源码与图谱一致,Step 5 有意跳过:不暂存、不提交图谱文件,待上一市场功能源码统一提交时一并处理。 - `GRAPH_REPORT.md` 仅列出 40 communities,而 JSON/analysis 数据为 46 communities;记录为现有生成器产物差异。 - `graph.html` 因图谱超过大小限制而被跳过,因此本次不能声称 HTML 可视化已刷新。