cai/tests/mcp/test_server_errors.py

43 lines
1.0 KiB
Python

import pytest
from cai.sdk.agents.exceptions import UserError
from cai.sdk.agents.mcp.server import _MCPServerWithClientSession
class CrashingClientSessionServer(_MCPServerWithClientSession):
def __init__(self):
super().__init__(cache_tools_list=False)
self.cleanup_called = False
def create_streams(self):
raise ValueError("Crash!")
async def cleanup(self):
self.cleanup_called = True
await super().cleanup()
@property
def name(self) -> str:
return "crashing_client_session_server"
@pytest.mark.asyncio
async def test_server_errors_cause_error_and_cleanup_called():
server = CrashingClientSessionServer()
with pytest.raises(ValueError):
await server.connect()
assert server.cleanup_called
@pytest.mark.asyncio
async def test_not_calling_connect_causes_error():
server = CrashingClientSessionServer()
with pytest.raises(UserError):
await server.list_tools()
with pytest.raises(UserError):
await server.call_tool("foo", {})