"""Read-only stdio MCP smoke test. Run with the course's kind kubeconfig."""
import asyncio
from run import rpc

async def main():
    observed = await asyncio.wait_for(rpc("evidence", {"source": "deployment"}), 20)
    print("deployment generation:", observed["generation"])
    try:
        await asyncio.wait_for(rpc("evidence", {"source": "not-a-source"}), 20)
    except ValueError as exc:
        if "unknown evidence source" not in str(exc):
            raise
        print("unsupported evidence source rejected")
    else:
        raise AssertionError("unexpected tool acceptance")

if __name__ == "__main__":
    asyncio.run(main())