- 在 mcp_service 的 get_mcp_tools 加载出口全局设置 tool.handle_tool_error = True - 在 toolkits registry 的 @tool 装饰器中对本地工具默认开启 handle_tool_error = True - 修复因 MCP/本地工具内部执行出错抛出 ToolException 时击穿流服务导致 crash 的 bug - 新增两个单元测试进行完备性验证
139 lines
4.7 KiB
Python
139 lines
4.7 KiB
Python
from __future__ import annotations
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from types import SimpleNamespace
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from yuxi.services import mcp_service
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class _FakeClient:
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def __init__(self, tools):
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self._tools = tools
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async def get_tools(self):
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return self._tools
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async def test_get_enabled_mcp_tools_loads_latest_config_from_db(monkeypatch):
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captured: list[dict] = []
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async def fake_get_enabled_mcp_server_config(server_name: str, db=None):
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del db
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assert server_name == "demo"
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return {"transport": "stdio", "command": "demo", "disabled_tools": ["tool_b"]}
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async def fake_get_mcp_tools(server_name: str, additional_servers=None, disabled_tools=None, **kwargs):
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del kwargs
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captured.append(
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{
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"server_name": server_name,
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"additional_servers": additional_servers,
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"disabled_tools": list(disabled_tools or []),
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}
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)
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return ["tool-a"]
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monkeypatch.setattr(mcp_service, "get_enabled_mcp_server_config", fake_get_enabled_mcp_server_config)
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monkeypatch.setattr(mcp_service, "get_mcp_tools", fake_get_mcp_tools)
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tools = await mcp_service.get_enabled_mcp_tools("demo")
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assert tools == ["tool-a"]
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assert captured == [
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{
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"server_name": "demo",
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"additional_servers": {
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"demo": {"transport": "stdio", "command": "demo", "disabled_tools": ["tool_b"]}
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},
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"disabled_tools": ["tool_b"],
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}
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]
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async def test_get_mcp_tools_rebuilds_cache_when_config_hash_changes(monkeypatch):
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mcp_service.clear_mcp_cache()
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configs = [
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{"transport": "stdio", "command": "demo-v1", "disabled_tools": []},
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{"transport": "stdio", "command": "demo-v2", "disabled_tools": []},
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]
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build_calls: list[str] = []
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async def fake_get_enabled_mcp_server_config(server_name: str, db=None):
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del db
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assert server_name == "demo"
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return configs[0]
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async def fake_get_mcp_client(server_configs):
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config = server_configs["demo"]
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build_calls.append(config["command"])
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tool = SimpleNamespace(name=f"tool_for_{config['command']}", metadata={})
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return _FakeClient([tool])
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monkeypatch.setattr(mcp_service, "get_enabled_mcp_server_config", fake_get_enabled_mcp_server_config)
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monkeypatch.setattr(mcp_service, "get_mcp_client", fake_get_mcp_client)
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tools_v1_first = await mcp_service.get_mcp_tools("demo")
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tools_v1_second = await mcp_service.get_mcp_tools("demo")
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configs[0] = configs[1]
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tools_v2 = await mcp_service.get_mcp_tools("demo")
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assert [tool.name for tool in tools_v1_first] == ["tool_for_demo-v1"]
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assert [tool.name for tool in tools_v1_second] == ["tool_for_demo-v1"]
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assert [tool.name for tool in tools_v2] == ["tool_for_demo-v2"]
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assert build_calls == ["demo-v1", "demo-v2"]
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mcp_service.clear_mcp_cache()
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async def test_get_tools_from_all_servers_loads_names_from_db_once(monkeypatch):
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server_configs = {
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"alpha": {"transport": "stdio", "command": "cmd-a", "disabled_tools": []},
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"beta": {"transport": "stdio", "command": "cmd-b", "disabled_tools": []},
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}
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calls: list[tuple[str, dict[str, dict]]] = []
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async def fake_load_enabled_mcp_server_configs(*, names=None, db=None):
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del names, db
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return server_configs
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async def fake_get_mcp_tools(server_name: str, additional_servers=None, **kwargs):
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del kwargs
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calls.append((server_name, additional_servers or {}))
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return [server_name]
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monkeypatch.setattr(mcp_service, "_load_enabled_mcp_server_configs", fake_load_enabled_mcp_server_configs)
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monkeypatch.setattr(mcp_service, "get_mcp_tools", fake_get_mcp_tools)
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tools = await mcp_service.get_tools_from_all_servers()
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assert tools == ["alpha", "beta"]
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assert calls == [
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("alpha", server_configs),
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("beta", server_configs),
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]
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async def test_get_mcp_tools_sets_handle_tool_error(monkeypatch):
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mcp_service.clear_mcp_cache()
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config = {"transport": "stdio", "command": "demo-tool", "disabled_tools": []}
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async def fake_get_enabled_mcp_server_config(server_name: str, db=None):
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del db
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return config
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async def fake_get_mcp_client(server_configs):
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tool = SimpleNamespace(name="demo_tool", metadata={})
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return _FakeClient([tool])
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monkeypatch.setattr(mcp_service, "get_enabled_mcp_server_config", fake_get_enabled_mcp_server_config)
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monkeypatch.setattr(mcp_service, "get_mcp_client", fake_get_mcp_client)
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tools = await mcp_service.get_mcp_tools("demo")
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assert len(tools) == 1
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assert tools[0].handle_tool_error is True
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mcp_service.clear_mcp_cache()
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