Files
MoviePilot/tests/test_agent_tool_timeouts.py

141 lines
4.5 KiB
Python

import asyncio
import threading
from unittest.mock import patch
import pytest
from app.agent.tools.base import MoviePilotTool
from app.agent.tools.manager import MoviePilotToolsManager
class SlowAgentTool(MoviePilotTool):
"""用于验证工具超时保护的慢工具。"""
name: str = "slow_agent_tool"
description: str = "Test slow tool."
async def run(self, **kwargs) -> str:
"""等待足够久以触发测试中的短超时。"""
await asyncio.sleep(1)
return "finished"
class BlockingAgentTool(MoviePilotTool):
"""用于验证阻塞调用并发名额释放时机的工具。"""
name: str = "blocking_agent_tool"
description: str = "Test blocking tool."
async def run(self, **kwargs) -> str:
"""本测试不会直接调用该方法。"""
return "unused"
def test_arun_returns_timeout_message_when_tool_exceeds_limit():
"""LangChain 工具入口应按 LLM_TOOL_TIMEOUT 停止等待慢工具。"""
tool = SlowAgentTool(session_id="session-1", user_id="10001")
async def _run_tool():
with patch("app.agent.tools.base.settings.LLM_TOOL_TIMEOUT", 0.05):
return await tool._arun()
result = asyncio.run(_run_tool())
assert "工具 slow_agent_tool 执行超时" in result
assert "超过 0.05 秒" in result
def test_http_tool_manager_uses_same_timeout_guard():
"""HTTP/MCP 工具入口绕过 _arun 时也应复用工具超时保护。"""
manager = MoviePilotToolsManager(is_admin=True)
manager.tools = [SlowAgentTool(session_id="session-1", user_id="10001")]
async def _call_tool():
with patch("app.agent.tools.base.settings.LLM_TOOL_TIMEOUT", 0.05):
return await manager.call_tool("slow_agent_tool", {})
result = asyncio.run(_call_tool())
assert "工具 slow_agent_tool 执行超时" in result
def test_run_blocking_keeps_bucket_slot_until_worker_finishes():
"""被取消的阻塞调用在底层线程结束前不应释放同桶并发名额。"""
tool = BlockingAgentTool(session_id="session-1", user_id="10001")
started = asyncio.Event()
release = threading.Event()
def _blocking_call() -> str:
loop.call_soon_threadsafe(started.set)
release.wait()
return "done"
async def _run_scenario():
nonlocal loop
loop = asyncio.get_running_loop()
with patch.dict(
"app.agent.tools.base._blocking_semaphores",
{"subscribe": asyncio.Semaphore(1)},
):
task = asyncio.create_task(tool.run_blocking("subscribe", _blocking_call))
await started.wait()
task.cancel()
with pytest.raises(asyncio.CancelledError):
await task
second_task = asyncio.create_task(
tool.run_blocking("subscribe", lambda: "second")
)
await asyncio.sleep(0.05)
assert not second_task.done()
release.set()
assert await asyncio.wait_for(second_task, timeout=1) == "second"
loop = None
asyncio.run(_run_scenario())
def test_create_agent_config_uses_llm_max_iterations():
"""Agent 执行配置应把 LLM_MAX_ITERATIONS 传给 LangGraph recursion_limit。"""
from app.agent import MoviePilotAgent
from langchain_core.messages import AIMessage
class _FakeGraphState:
"""提供最小 LangGraph 状态替身。"""
values = {"messages": [AIMessage(content="ok")]}
class _FakeAgent:
"""记录 ainvoke 收到的 config。"""
def __init__(self) -> None:
self.config = None
async def ainvoke(self, _payload, config=None):
"""保存运行配置供断言。"""
self.config = config
def get_state(self, _config):
"""返回最小消息状态。"""
return _FakeGraphState()
async def _execute() -> dict:
agent = MoviePilotAgent(session_id="session-1", user_id="10001")
fake_agent = _FakeAgent()
agent._should_stream = lambda: False
async def _create_agent(streaming=False):
"""返回测试替身 Agent。"""
return fake_agent
agent._create_agent = _create_agent
agent.stream_handler.stop_streaming = lambda: asyncio.sleep(0, result=(False, ""))
with patch("app.agent.settings.LLM_MAX_ITERATIONS", 7):
await agent._execute_agent([])
return fake_agent.config
config = asyncio.run(_execute())
assert config["recursion_limit"] == 7