2026-09-11 16:57:47 +08:00
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"""测试共享夹具,以及测试期的数据库连接池隔离。
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为什么在这里替换引擎(必须在导入任何 app 模块之前执行):
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`app/infrastructure/db.py` 在导入时就建好了全局异步引擎,连接池里的 MySQL 连接绑定在
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"建立它的那个事件循环"上。测试环境里同时存在多个循环——pytest-asyncio 每个用例一个、
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每个 `TestClient` 一个 portal 线程循环、用例内 `asyncio.run(...)` 再建一个。连接被跨循环
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复用时 SQLAlchemy/asyncmy 抛
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`got Future <Future pending> attached to a different loop`,失败集合随执行顺序变化,
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真实缺陷被噪声掩盖(同一用例全量跑失败、单条跑通过)。
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NullPool 让每次取用都新建连接、归还即关闭,从根上消除跨循环复用。生产路径不受影响:
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`app/infrastructure/db.py` 未改动,仍使用默认连接池。
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"""
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2026-09-10 09:23:22 +08:00
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import asyncio
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import sys
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2026-09-11 20:22:59 +08:00
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from pathlib import Path
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2026-09-10 09:23:22 +08:00
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2026-09-11 19:13:23 +08:00
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import pytest
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2026-09-11 16:57:47 +08:00
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from sqlalchemy.ext.asyncio import AsyncSession, async_sessionmaker, create_async_engine
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from sqlalchemy.pool import NullPool
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2026-09-09 21:55:37 +08:00
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2026-09-10 09:23:22 +08:00
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if sys.platform == "win32":
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asyncio.set_event_loop_policy(asyncio.WindowsSelectorEventLoopPolicy())
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2026-09-11 16:57:47 +08:00
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from app.infrastructure import db as _db # noqa: E402
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_db.engine = create_async_engine(
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_db.engine.url, pool_pre_ping=True, poolclass=NullPool
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)
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_db.SessionFactory = async_sessionmaker( # type: ignore[assignment]
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_db.engine, class_=AsyncSession, expire_on_commit=False
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)
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2026-09-11 19:13:23 +08:00
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@pytest.fixture
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2026-09-11 20:22:59 +08:00
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def tmp_path() -> Path:
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2026-09-11 19:13:23 +08:00
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"""把 `tmp_path` 的根目录改到**仓库内**(`.workdir/pytest-tmp`)。
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为什么必须覆盖:pytest 默认在系统临时目录建 `%TEMP%\\pytest-of-<user>`。Windows 上
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那个目录一旦被**权限更高的会话**(例如以管理员身份跑过一次测试)建过,当前用户就
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无权再写入,于是**所有**用 `tmp_path` 的用例在 setup 阶段批量失败
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(实测 33 个用例 ERROR、报 `PermissionError: [WinError 5]`),而它们与真实缺陷无关——
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这种噪声会让"到底哪里坏了"完全看不出来。
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覆盖后临时目录落在仓库内:不依赖系统临时目录权限,随 `.workdir/` 一起被 .gitignore
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忽略,清理范围可见。语义不变——每个用例拿到一个**新建的空目录**(残留目录会让上一条
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用例的产物污染断言)。
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为什么只覆盖 `tmp_path` 而不动 `tmp_path_factory`:后者是 pytest 的私有构造
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(`TempPathFactory.__init__` 的参数随版本变化,实测直接实例化会 `TypeError`),
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而本仓库的用例只用 `tmp_path`。改动面越小,越不容易在下一次升级时炸。
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"""
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import shutil
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from pathlib import Path
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root = Path(".workdir") / "pytest-tmp"
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root.mkdir(parents=True, exist_ok=True)
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# 用目录数量推序号:不依赖 pytest 内部状态,重跑时自动接着编号。
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index = len([item for item in root.iterdir() if item.is_dir()]) + 1
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path = root / f"test{index}"
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shutil.rmtree(path, ignore_errors=True)
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path.mkdir(parents=True)
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return path
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2026-09-11 16:57:47 +08:00
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from app.core.contracts import AgentDefinition, CoreResult, ResolvedAgentConfig # noqa: E402
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from app.service.agent.base import BaseAgent # noqa: E402
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from app.service.agent.factory import AgentFactory # noqa: E402
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from app.service.agent.governance import review_output # noqa: E402
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2026-09-09 21:55:37 +08:00
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@pytest.fixture
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def governance():
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class TestGovernance:
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async def resolve(self, definition, context):
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return ResolvedAgentConfig(config_version="test", prompt_version="test",
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model_endpoint="test")
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async def recall(self, context):
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return ()
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2026-09-11 15:06:44 +08:00
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async def review(self, result, context, config, memories, *, agent_type: str = ""):
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# 透传 `agent_type`:门禁 F5(面向客户输出 100% 附固定话术)由它判定,
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# 替身若不转发,`test_worker_runtime_mysql` 那条端到端断言会拿不到免责声明。
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return review_output(result, context, config, memories, agent_type=agent_type)
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2026-09-09 21:55:37 +08:00
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return TestGovernance()
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@pytest.fixture
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def acceptance_registry(monkeypatch, governance):
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"""Explicit test registration; production does not silently create business Agents."""
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class TestAgent(BaseAgent):
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async def handle(self, request, context):
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return CoreResult(text="test result")
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definition = AgentDefinition(agent_type="customer_service", version="test",
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allowed_roles=("customer",), allowed_portals=("api",))
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registry = AgentFactory(governance)
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registry.register(definition, lambda _: TestAgent(definition))
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monkeypatch.setattr("app.service.agent_run_application_service.get_agent_factory",
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lambda: registry)
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return registry
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