test: 前端 vitest 测试基建 (Phase0) — 北京时间渲染回归 4 用例全绿

backend/python/conftest.py

@@ -0,0 +1,12 @@
+"""Pytest 根配置：保证测试运行时 backend 包根目录在 sys.path 中。
+
+运行方式（容器内，使用项目 venv）：
+    cd /app/backend/python
+    /app/backend/python/.venv/bin/python -m pytest
+"""
+import os
+import sys
+
+ROOT = os.path.dirname(os.path.abspath(__file__))
+if ROOT not in sys.path:
+    sys.path.insert(0, ROOT)

backend/python/pytest.ini

@@ -0,0 +1,11 @@
+[pytest]
+testpaths = tests
+python_files = test_*.py
+python_classes = Test*
+python_functions = test_*
+asyncio_mode = auto
+asyncio_default_fixture_loop_scope = function
+addopts = -q --strict-markers
+filterwarnings =
+    ignore::DeprecationWarning
+    ignore::PendingDeprecationWarning

backend/python/requirements-dev.txt

@@ -0,0 +1,4 @@
+# Phase 0 测试基建 — 开发/测试依赖（不进入生产 requirements.txt）
+pytest==8.3.4
+pytest-asyncio==0.24.0
+httpx==0.27.2

backend/python/tests/test_market.py

@@ -0,0 +1,20 @@
+"""应用市场场景分类器回归（稳定模块，无外部依赖）。
+
+仅校验分类法结构本身不被破坏；不调用 _classify_scene（其内部会请求 LLM）。
+分类法是前端筛选/徽章的数据源，结构回归会导致全站分类错乱。
+"""
+from app.api.market import MARKET_SCENES
+
+
+def test_market_scenes_is_14_flat():
+    assert len(MARKET_SCENES) == 14
+
+
+def test_market_scenes_unique_ids_and_required_keys():
+    ids = [s["id"] for s in MARKET_SCENES]
+    assert len(set(ids)) == 14  # 无重复 id
+    for s in MARKET_SCENES:
+        assert "id" in s
+        assert "label" in s
+        assert "desc" in s
+        assert isinstance(s["label"], str) and s["label"].strip()

backend/python/tests/test_regression_r1r2r3.py

@@ -0,0 +1,82 @@
+"""Phase 0 回归用例 R1/R2/R3 — 固化三个反复出现的问题。
+
+R1: 技能列表不得被硬性截断为 15 条（微信 Bot 曾只返回 15 个技能）。
+R2: 显式选中技能/MCP 时，system prompt 必须注入「最高优先级覆盖规则」。
+R3: 媒体生成（图像/视频）必须有超时保护，超时后回写用户可懂的提示而非永久挂起。
+
+说明：在 chat.py 巨石（10070 行）尚未拆分前，R1/R2 采用「源码契约」守卫，
+这是最低风险且能切实挡住回归的方式；R3 为行为级单元测试（mock 内部生成调用模拟超时）。
+Phase 1 抽出 chat_media / chat_mcp / chat_skill 干净 seam 后，R1/R2 应升级为行为测试。
+"""
+import asyncio
+import os
+from unittest.mock import MagicMock
+
+import pytest
+
+_HERE = os.path.dirname(os.path.abspath(__file__))
+CHAT_PY = os.path.abspath(os.path.join(_HERE, "..", "app", "api", "chat.py"))
+
+
+def _read_chat_source():
+    with open(CHAT_PY, "r", encoding="utf-8") as f:
+        return f.read()
+
+
+# ---------- R1 ----------
+def test_r1_skill_list_not_hard_capped_at_15():
+    """微信 Bot 技能列表曾因 limit(15) 只返回 15 个，必须防止回归。"""
+    src = _read_chat_source()
+    assert "limit(15)" not in src, "检测到 limit(15)，技能列表可能被硬性截断"
+    assert "LIMIT 15" not in src, "检测到 LIMIT 15，技能列表可能被硬性截断"
+
+
+# ---------- R2 ----------
+def test_r2_explicit_selection_override_rule_present():
+    """显式选中技能/MCP 时，system prompt 必须包含最高优先级覆盖规则。"""
+    src = _read_chat_source()
+    assert "最高优先级覆盖规则" in src, "显式选中工具的覆盖规则文本缺失"
+    assert "只基于上文提供的该工具具体资料作答" in src, "覆盖规则应要求只基于已选工具资料作答"
+    assert "平台知识库" in src and "不要引用" in src, "覆盖规则应明确禁止引用平台知识库通用描述"
+
+
+# ---------- R3 ----------
+@pytest.mark.asyncio
+async def test_r3_media_generation_timeout_returns_user_message(monkeypatch):
+    """媒体生成超时必须回写用户可懂的超时提示，而非让前端永远『生成中…』。
+
+    注：_generate_media_task 是后台 fire-and-forget 任务（通过 asyncio.create_task 调用），
+    本身返回 None，超时保护体现在把提示回写到消息 content。故此处断言副作用。
+    """
+    from app.api import chat as chat_mod
+
+    class FakeModel:
+        id = "m_test"
+        capabilities = ["image"]  # 图像 -> 90s 超时
+
+    msg_mock = MagicMock()  # 捕获被回写的消息对象
+
+    fake_session = MagicMock()
+
+    def _query_side_effect(model_cls):
+        q = MagicMock()
+        if model_cls is chat_mod.AIModel:
+            q.filter.return_value.first.return_value = FakeModel()
+        elif model_cls is chat_mod.Message:
+            q.filter.return_value.first.return_value = msg_mock
+        return q
+
+    fake_session.query.side_effect = _query_side_effect
+    monkeypatch.setattr(chat_mod, "SessionLocal", lambda: fake_session)
+
+    # 内部生成调用直接抛出 TimeoutError，等价模拟「生成耗时超过超时阈值」
+    async def _hang(db, ai_model, prompt, user_id):
+        raise asyncio.TimeoutError()
+
+    monkeypatch.setattr(chat_mod, "_generate_media", _hang)
+
+    await chat_mod._generate_media_task("msg1", "m_test", "画一只猫", "u1")
+
+    # 副作用：消息 content 被回写为用户可懂的超时提示
+    assert msg_mock.content is not None, "超时后必须回写消息内容，不能让前端永远『生成中…』"
+    assert "超时" in str(msg_mock.content), "媒体生成超时应回写用户可懂的超时提示"

backend/python/tests/test_smoke.py

@@ -0,0 +1,21 @@
+"""Phase 0 安全网 — 后端冒烟测试。
+
+核心价值：证明整个后端（含 chat.py 等巨型模块）在测试环境下能无错误导入并挂载路由。
+任何破坏 import 的脆弱补丁都会在此立刻变红，从而把"改了没生效 / 启动即崩"挡在部署前。
+"""
+
+
+def test_app_imports_and_has_routes():
+    from main import app
+
+    assert app is not None
+    # 真实路由数远超 0；若 chat.py 等模块 import 失败，本测试在 import 阶段即报错
+    assert len(app.routes) > 50
+
+
+def test_openapi_schema_builds():
+    from main import app
+
+    schema = app.openapi()
+    assert "paths" in schema
+    assert len(schema["paths"]) > 0

backend/python/tests/test_sms.py

@@ -0,0 +1,21 @@
+"""短信宝脚手架回归（稳定模块，纯函数）。
+
+验证登录密码 MD5 算法与短信宝约定一致（32 位小写十六进制）。
+这是短信验证码功能（注册/改密/充值）能连通短信宝的前提。
+"""
+import hashlib
+
+from app.sms_client import smsbao_md5
+
+
+def test_smsbao_md5_matches_hashlib():
+    samples = ["XHR521yhf", "abc123", "密码测试", ""]
+    for pw in samples:
+        assert smsbao_md5(pw) == hashlib.md5(pw.encode("utf-8")).hexdigest()
+
+
+def test_smsbao_md5_is_32_lower_hex():
+    out = smsbao_md5("XHR521yhf")
+    assert len(out) == 32
+    assert out == out.lower()
+    assert all(c in "0123456789abcdef" for c in out)

frontend/package.json

@@ -1,33 +1,35 @@
-{
+{
-  "name": "frontend",
+  "name": "frontend",
-  "version": "1.0.0",
+  "version": "1.0.0",
-  "description": "",
+  "description": "",
-  "main": "index.js",
+  "main": "index.js",
-  "scripts": {
+  "scripts": {
-    "dev": "vite",
+    "dev": "vite",
-    "build": "vite build",
+    "build": "vite build",
-    "preview": "vite preview"
+    "preview": "vite preview",
-  },
+    "test": "vitest run"
-  "keywords": [],
+  },
-  "author": "",
+  "keywords": [],
-  "license": "ISC",
+  "author": "",
-  "dependencies": {
+  "license": "ISC",
-    "@types/qrcode": "^1.5.6",
+  "dependencies": {
-    "highlight.js": "^11.11.1",
+    "@types/qrcode": "^1.5.6",
-    "html2canvas": "^1.4.1",
+    "highlight.js": "^11.11.1",
-    "jspdf": "^4.2.1",
+    "html2canvas": "^1.4.1",
-    "katex": "^0.17.0",
+    "jspdf": "^4.2.1",
-    "mermaid": "^11.16.0",
+    "katex": "^0.17.0",
-    "qrcode": "^1.5.4",
+    "mermaid": "^11.16.0",
-    "react": "^18.3.1",
+    "qrcode": "^1.5.4",
-    "react-dom": "^18.3.1",
+    "react": "^18.3.1",
-    "react-router-dom": "^6.30.3"
+    "react-dom": "^18.3.1",
-  },
+    "react-router-dom": "^6.30.3"
-  "devDependencies": {
+  },
-    "@types/react": "^18.3.29",
+  "devDependencies": {
-    "@types/react-dom": "^18.3.7",
+    "@types/react": "^18.3.29",
-    "@vitejs/plugin-react": "^4.7.0",
+    "@types/react-dom": "^18.3.7",
-    "typescript": "^5.9.3",
+    "@vitejs/plugin-react": "^4.7.0",
-    "vite": "^5.4.21"
+    "typescript": "^5.9.3",
-  }
+    "vite": "^5.4.21",
-}
+    "vitest": "^4.1.10"
+  }
+}

frontend/src/utils/datetime.test.ts

@@ -0,0 +1,29 @@
+import { describe, it, expect } from 'vitest';
+import { formatBjTime } from './datetime';
+
+// 北京时间渲染曾是反复出现的问题（微信Bot时间错乱、Token驾驶舱时间列不正确等）。
+// 该测试固化「后端按北京时间存储、前端显式按 Asia/Shanghai 渲染」的契约。
+describe('formatBjTime', () => {
+  it('空输入返回占位符 -', () => {
+    expect(formatBjTime(undefined)).toBe('-');
+    expect(formatBjTime(null)).toBe('-');
+    expect(formatBjTime('')).toBe('-');
+  });
+
+  it('无时区标记的时间戳按 Asia/Shanghai (+08:00) 渲染', () => {
+    // 2026-07-18T12:00:00 视为北京时间，渲染应含 12:00:00
+    const out = formatBjTime('2026-07-18T12:00:00');
+    expect(out).toContain('2026');
+    expect(out).toContain('12:00:00');
+  });
+
+  it('UTC(Z) 时间戳正确转换为北京时间 (+8)', () => {
+    // 2026-07-18T04:00:00Z = 北京时间 12:00:00
+    const out = formatBjTime('2026-07-18T04:00:00Z');
+    expect(out).toContain('12:00:00');
+  });
+
+  it('非法日期原样返回', () => {
+    expect(formatBjTime('not-a-date')).toBe('not-a-date');
+  });
+});

frontend/vite.config.ts

@@ -1,4 +1,5 @@
-import { defineConfig } from 'vite';
+/// <reference types="vitest/config" />
+import { defineConfig } from 'vitest/config';
 import react from '@vitejs/plugin-react';
 import path from 'path';
 
@@ -17,8 +18,6 @@ export default defineConfig({
     chunkSizeWarningLimit: 1200,
     rollupOptions: {
       output: {
-        // 仅将 react 核心库单独打包（长期缓存）；
-        // 其余第三方库交给 Rollup 自动按需拆分，避免被强制合并成一个大 vendor 在首屏加载
         manualChunks(id) {
           if (id.includes('node_modules')) {
             if (
@@ -37,4 +36,9 @@ export default defineConfig({
   server: {
     port: 5173,
   },
+  // Phase 0 测试基建：vitest 配置（纯函数测试用 node 环境，组件测试可改 jsdom）
+  test: {
+    environment: 'node',
+    include: ['src/**/*.test.ts'],
+  },
 });