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"""Phase 0 回归用例 R1/R2/R3 — 固化三个反复出现的问题。
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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)。
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R2: 显式选中技能/MCP 时,system prompt 必须注入「最高优先级覆盖规则」。
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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。
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说明:在 chat.py 巨石(10070 行)尚未拆分前,R1/R2 采用「源码契约」守卫,
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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)。
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Phase 1 抽出 chat_media / chat_mcp / chat_skill 干净 seam 后,R1/R2 应升级为行为测试。
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"""
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import asyncio
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import os
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from unittest.mock import MagicMock
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import pytest
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_HERE = os.path.dirname(os.path.abspath(__file__))
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CHAT_PY = os.path.abspath(os.path.join(_HERE, "..", "app", "api", "chat.py"))
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def _read_chat_source():
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with open(CHAT_PY, "r", encoding="utf-8") as f:
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return f.read()
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# ---------- R1 ----------
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def test_r1_skill_list_not_hard_capped_at_15():
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"""微信 Bot 技能列表曾因 limit(15) 只返回 15 个,必须防止回归。"""
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src = _read_chat_source()
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assert "limit(15)" not in src, "检测到 limit(15),技能列表可能被硬性截断"
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assert "LIMIT 15" not in src, "检测到 LIMIT 15,技能列表可能被硬性截断"
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# ---------- R2 ----------
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def test_r2_explicit_selection_override_rule_present():
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"""显式选中技能/MCP 时,system prompt 必须包含最高优先级覆盖规则。"""
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src = _read_chat_source()
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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"
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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"
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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"
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# ---------- R3 ----------
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@pytest.mark.asyncio
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async def test_r3_media_generation_timeout_returns_user_message(monkeypatch):
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"""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…』。
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注:_generate_media_task 是后台 fire-and-forget 任务(通过 asyncio.create_task 调用),
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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。
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"""
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from app.api import chat as chat_mod
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class FakeModel:
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id = "m_test"
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capabilities = ["image"] # 图像 -> 90s 超时
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msg_mock = MagicMock() # 捕获被回写的消息对象
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fake_session = MagicMock()
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def _query_side_effect(model_cls):
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q = MagicMock()
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if model_cls is chat_mod.AIModel:
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q.filter.return_value.first.return_value = FakeModel()
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elif model_cls is chat_mod.Message:
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q.filter.return_value.first.return_value = msg_mock
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return q
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fake_session.query.side_effect = _query_side_effect
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monkeypatch.setattr(chat_mod, "SessionLocal", lambda: fake_session)
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# 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」
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async def _hang(db, ai_model, prompt, user_id):
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raise asyncio.TimeoutError()
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monkeypatch.setattr(chat_mod, "_generate_media", _hang)
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await chat_mod._generate_media_task("msg1", "m_test", "画一只猫", "u1")
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# 副作用:消息 content 被回写为用户可懂的超时提示
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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…』"
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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"
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@@ -6,7 +6,8 @@
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"scripts": {
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"dev": "vite",
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"build": "vite build",
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"preview": "vite preview"
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"preview": "vite preview",
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"test": "vitest run"
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},
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"keywords": [],
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"author": "",
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@@ -28,6 +29,7 @@
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"@types/react-dom": "^18.3.7",
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"@vitejs/plugin-react": "^4.7.0",
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"typescript": "^5.9.3",
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"vite": "^5.4.21"
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"vite": "^5.4.21",
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"vitest": "^4.1.10"
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}
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}
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@@ -0,0 +1,29 @@
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import { describe, it, expect } from 'vitest';
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import { formatBjTime } from './datetime';
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// 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)。
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// 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。
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describe('formatBjTime', () => {
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it('空输入返回占位符 -', () => {
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expect(formatBjTime(undefined)).toBe('-');
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expect(formatBjTime(null)).toBe('-');
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expect(formatBjTime('')).toBe('-');
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});
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it('无时区标记的时间戳按 Asia/Shanghai (+08:00) 渲染', () => {
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// 2026-07-18T12:00:00 视为北京时间,渲染应含 12:00:00
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const out = formatBjTime('2026-07-18T12:00:00');
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expect(out).toContain('2026');
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expect(out).toContain('12:00:00');
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});
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it('UTC(Z) 时间戳正确转换为北京时间 (+8)', () => {
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// 2026-07-18T04:00:00Z = 北京时间 12:00:00
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const out = formatBjTime('2026-07-18T04:00:00Z');
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expect(out).toContain('12:00:00');
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});
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it('非法日期原样返回', () => {
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expect(formatBjTime('not-a-date')).toBe('not-a-date');
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});
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});
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@@ -1,4 +1,5 @@
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import { defineConfig } from 'vite';
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/// <reference types="vitest/config" />
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import { defineConfig } from 'vitest/config';
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import react from '@vitejs/plugin-react';
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import path from 'path';
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@@ -17,8 +18,6 @@ export default defineConfig({
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chunkSizeWarningLimit: 1200,
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rollupOptions: {
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output: {
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// 仅将 react 核心库单独打包(长期缓存);
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// 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
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manualChunks(id) {
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if (id.includes('node_modules')) {
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if (
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@@ -37,4 +36,9 @@ export default defineConfig({
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server: {
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port: 5173,
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},
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// 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)
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test: {
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environment: 'node',
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include: ['src/**/*.test.ts'],
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},
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});
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