pyro-mcp/tests/test_vm_guest.py

64 lines
1.9 KiB
Python

from __future__ import annotations
import socket
import pytest
from pyro_mcp.vm_guest import VsockExecClient
class StubSocket:
def __init__(self, response: bytes) -> None:
self.response = response
self.connected: tuple[int, int] | None = None
self.sent = b""
self.timeout: int | None = None
self.closed = False
def settimeout(self, timeout: int) -> None:
self.timeout = timeout
def connect(self, address: tuple[int, int]) -> None:
self.connected = address
def sendall(self, data: bytes) -> None:
self.sent += data
def recv(self, size: int) -> bytes:
del size
if self.response == b"":
return b""
data, self.response = self.response, b""
return data
def close(self) -> None:
self.closed = True
def test_vsock_exec_client_round_trip(monkeypatch: pytest.MonkeyPatch) -> None:
monkeypatch.setattr(socket, "AF_VSOCK", 40, raising=False)
stub = StubSocket(
b'{"stdout":"ok\\n","stderr":"","exit_code":0,"duration_ms":7}'
)
def socket_factory(family: int, sock_type: int) -> StubSocket:
assert family == socket.AF_VSOCK
assert sock_type == socket.SOCK_STREAM
return stub
client = VsockExecClient(socket_factory=socket_factory)
response = client.exec(1234, 5005, "echo ok", 30)
assert response.exit_code == 0
assert response.stdout == "ok\n"
assert stub.connected == (1234, 5005)
assert b'"command": "echo ok"' in stub.sent
assert stub.closed is True
def test_vsock_exec_client_rejects_bad_json(monkeypatch: pytest.MonkeyPatch) -> None:
monkeypatch.setattr(socket, "AF_VSOCK", 40, raising=False)
stub = StubSocket(b"[]")
client = VsockExecClient(socket_factory=lambda family, sock_type: stub)
with pytest.raises(RuntimeError, match="JSON object"):
client.exec(1234, 5005, "echo ok", 30)