pyro-mcp/tests/test_server.py

127 lines
5 KiB
Python

from __future__ import annotations
import asyncio
from pathlib import Path
from typing import Any, cast
import pytest
import pyro_mcp.server as server_module
from pyro_mcp.server import create_server
from pyro_mcp.vm_manager import VmManager
def test_create_server_registers_vm_tools(tmp_path: Path) -> None:
manager = VmManager(backend_name="mock", base_dir=tmp_path / "vms")
async def _run() -> list[str]:
server = create_server(manager=manager)
tools = await server.list_tools()
return sorted(tool.name for tool in tools)
tool_names = asyncio.run(_run())
assert "vm_create" in tool_names
assert "vm_exec" in tool_names
assert "vm_list_profiles" in tool_names
assert "vm_status" in tool_names
def test_vm_tools_lifecycle_round_trip(tmp_path: Path) -> None:
manager = VmManager(backend_name="mock", base_dir=tmp_path / "vms")
def _extract_structured(raw_result: object) -> dict[str, Any]:
if not isinstance(raw_result, tuple) or len(raw_result) != 2:
raise TypeError("unexpected call_tool result shape")
_, structured = raw_result
if not isinstance(structured, dict):
raise TypeError("expected structured dictionary result")
return cast(dict[str, Any], structured)
async def _run() -> dict[str, Any]:
server = create_server(manager=manager)
created = _extract_structured(
await server.call_tool(
"vm_create",
{"profile": "debian-git", "vcpu_count": 1, "mem_mib": 512, "ttl_seconds": 600},
)
)
vm_id = str(created["vm_id"])
await server.call_tool("vm_start", {"vm_id": vm_id})
executed = _extract_structured(
await server.call_tool(
"vm_exec", {"vm_id": vm_id, "command": "printf 'git version 2.0\\n'"}
)
)
return executed
executed = asyncio.run(_run())
assert int(executed["exit_code"]) == 0
assert "git version" in str(executed["stdout"])
def test_vm_tools_status_stop_delete_and_reap(tmp_path: Path) -> None:
manager = VmManager(backend_name="mock", base_dir=tmp_path / "vms")
manager.MIN_TTL_SECONDS = 1
def _extract_structured(raw_result: object) -> dict[str, Any]:
if not isinstance(raw_result, tuple) or len(raw_result) != 2:
raise TypeError("unexpected call_tool result shape")
_, structured = raw_result
if not isinstance(structured, dict):
raise TypeError("expected structured dictionary result")
return cast(dict[str, Any], structured)
async def _run() -> tuple[
dict[str, Any], dict[str, Any], dict[str, Any], list[dict[str, object]], dict[str, Any]
]:
server = create_server(manager=manager)
profiles_raw = await server.call_tool("vm_list_profiles", {})
if not isinstance(profiles_raw, tuple) or len(profiles_raw) != 2:
raise TypeError("unexpected profiles result")
_, profiles_structured = profiles_raw
if not isinstance(profiles_structured, dict):
raise TypeError("profiles tool should return a dictionary")
raw_profiles = profiles_structured.get("result")
if not isinstance(raw_profiles, list):
raise TypeError("profiles tool did not contain a result list")
created = _extract_structured(
await server.call_tool(
"vm_create",
{"profile": "debian-base", "vcpu_count": 1, "mem_mib": 512, "ttl_seconds": 600},
)
)
vm_id = str(created["vm_id"])
await server.call_tool("vm_start", {"vm_id": vm_id})
status = _extract_structured(await server.call_tool("vm_status", {"vm_id": vm_id}))
stopped = _extract_structured(await server.call_tool("vm_stop", {"vm_id": vm_id}))
deleted = _extract_structured(await server.call_tool("vm_delete", {"vm_id": vm_id}))
expiring = _extract_structured(
await server.call_tool(
"vm_create",
{"profile": "debian-base", "vcpu_count": 1, "mem_mib": 512, "ttl_seconds": 1},
)
)
expiring_id = str(expiring["vm_id"])
manager._instances[expiring_id].expires_at = 0.0 # noqa: SLF001
reaped = _extract_structured(await server.call_tool("vm_reap_expired", {}))
return status, stopped, deleted, cast(list[dict[str, object]], raw_profiles), reaped
status, stopped, deleted, profiles, reaped = asyncio.run(_run())
assert status["state"] == "started"
assert stopped["state"] == "stopped"
assert bool(deleted["deleted"]) is True
assert profiles[0]["name"] == "debian-base"
assert int(reaped["count"]) == 1
def test_server_main_runs_stdio_transport(monkeypatch: pytest.MonkeyPatch) -> None:
called: dict[str, str] = {}
class StubServer:
def run(self, transport: str) -> None:
called["transport"] = transport
monkeypatch.setattr(server_module, "create_server", lambda: StubServer())
server_module.main()
assert called == {"transport": "stdio"}