pyro-mcp/tests/test_demo.py

71 lines
2 KiB
Python

from __future__ import annotations
import json
from typing import Any
import pytest
import pyro_mcp.demo as demo_module
def test_run_demo_happy_path(monkeypatch: pytest.MonkeyPatch) -> None:
calls: list[tuple[str, dict[str, Any]]] = []
class StubManager:
def __init__(self) -> None:
pass
def create_vm(
self,
*,
profile: str,
vcpu_count: int,
mem_mib: int,
ttl_seconds: int,
) -> dict[str, str]:
calls.append(
(
"create_vm",
{
"profile": profile,
"vcpu_count": vcpu_count,
"mem_mib": mem_mib,
"ttl_seconds": ttl_seconds,
},
)
)
return {"vm_id": "vm-1"}
def start_vm(self, vm_id: str) -> dict[str, str]:
calls.append(("start_vm", {"vm_id": vm_id}))
return {"vm_id": vm_id}
def exec_vm(self, vm_id: str, *, command: str, timeout_seconds: int) -> dict[str, Any]:
calls.append(
(
"exec_vm",
{"vm_id": vm_id, "command": command, "timeout_seconds": timeout_seconds},
)
)
return {"vm_id": vm_id, "stdout": "git version 2.x", "exit_code": 0}
monkeypatch.setattr(demo_module, "VmManager", StubManager)
result = demo_module.run_demo()
assert result["exit_code"] == 0
assert calls[0][0] == "create_vm"
assert calls[1] == ("start_vm", {"vm_id": "vm-1"})
assert calls[2][0] == "exec_vm"
def test_main_prints_json(
monkeypatch: pytest.MonkeyPatch, capsys: pytest.CaptureFixture[str]
) -> None:
monkeypatch.setattr(
demo_module,
"run_demo",
lambda: {"stdout": "git version 2.x", "exit_code": 0},
)
demo_module.main()
rendered = json.loads(capsys.readouterr().out)
assert rendered["exit_code"] == 0