pyro-mcp/tests/test_public_contract.py

100 lines
3.3 KiB
Python

from __future__ import annotations
import argparse
import asyncio
import io
import tomllib
from contextlib import redirect_stdout
from pathlib import Path
from typing import Any, cast
import pytest
from pyro_mcp import Pyro, __version__
from pyro_mcp.cli import _build_parser
from pyro_mcp.contract import (
PUBLIC_CLI_COMMANDS,
PUBLIC_CLI_DEMO_SUBCOMMANDS,
PUBLIC_CLI_ENV_SUBCOMMANDS,
PUBLIC_CLI_RUN_FLAGS,
PUBLIC_MCP_TOOLS,
PUBLIC_SDK_METHODS,
)
from pyro_mcp.vm_manager import VmManager
from pyro_mcp.vm_network import TapNetworkManager
def _subparser_choice(parser: argparse.ArgumentParser, name: str) -> argparse.ArgumentParser:
subparsers = getattr(parser, "_subparsers", None)
if subparsers is None:
raise AssertionError("parser does not define subparsers")
group_actions = cast(list[Any], subparsers._group_actions) # noqa: SLF001
if not group_actions:
raise AssertionError("parser subparsers are empty")
choices = cast(dict[str, argparse.ArgumentParser], group_actions[0].choices)
return choices[name]
def test_public_sdk_methods_exist() -> None:
assert tuple(sorted(PUBLIC_SDK_METHODS)) == PUBLIC_SDK_METHODS
for method_name in PUBLIC_SDK_METHODS:
assert hasattr(Pyro, method_name), method_name
def test_public_cli_help_lists_commands_and_run_flags() -> None:
parser = _build_parser()
help_text = parser.format_help()
assert "--version" in help_text
for command_name in PUBLIC_CLI_COMMANDS:
assert command_name in help_text
run_parser = _build_parser()
run_help = run_parser.parse_args(
["run", "debian:12-base", "--vcpu-count", "1", "--mem-mib", "512", "--", "true"]
)
assert run_help.command == "run"
assert run_help.environment == "debian:12-base"
run_help_text = _subparser_choice(parser, "run").format_help()
for flag in PUBLIC_CLI_RUN_FLAGS:
assert flag in run_help_text
env_help_text = _subparser_choice(parser, "env").format_help()
for subcommand_name in PUBLIC_CLI_ENV_SUBCOMMANDS:
assert subcommand_name in env_help_text
demo_help_text = _subparser_choice(parser, "demo").format_help()
for subcommand_name in PUBLIC_CLI_DEMO_SUBCOMMANDS:
assert subcommand_name in demo_help_text
def test_public_cli_version_matches_package_version() -> None:
parser = _build_parser()
stdout = io.StringIO()
with pytest.raises(SystemExit, match="0"), redirect_stdout(stdout):
parser.parse_args(["--version"])
assert stdout.getvalue().strip().endswith(f" {__version__}")
def test_public_mcp_tools_match_contract(tmp_path: Path) -> None:
pyro = Pyro(
manager=VmManager(
backend_name="mock",
base_dir=tmp_path / "vms",
network_manager=TapNetworkManager(enabled=False),
)
)
async def _run() -> tuple[str, ...]:
server = pyro.create_server()
tools = await server.list_tools()
return tuple(sorted(tool.name for tool in tools))
tool_names = asyncio.run(_run())
assert tool_names == tuple(sorted(PUBLIC_MCP_TOOLS))
def test_pyproject_exposes_single_public_cli_script() -> None:
pyproject = tomllib.loads(Path("pyproject.toml").read_text(encoding="utf-8"))
scripts = pyproject["project"]["scripts"]
assert scripts == {"pyro": "pyro_mcp.cli:main"}