mirror of
https://github.com/HKUDS/nanobot.git
synced 2026-08-04 16:38:49 +00:00
28102382af
save_config truncated config.json in place on crash mid-write. Route through _write_text_atomic like the pairing store so a failed write leaves the prior file intact.
37 lines
1.0 KiB
Python
37 lines
1.0 KiB
Python
"""Tests for atomic config.json writes."""
|
|
|
|
from __future__ import annotations
|
|
|
|
import json
|
|
from pathlib import Path
|
|
|
|
import pytest
|
|
|
|
from nanobot.config.loader import load_config, save_config
|
|
from nanobot.config.schema import Config
|
|
|
|
|
|
def test_save_config_round_trips(tmp_path: Path) -> None:
|
|
path = tmp_path / "config.json"
|
|
save_config(Config(), path)
|
|
loaded = load_config(path)
|
|
assert loaded.agents.defaults.model
|
|
|
|
|
|
def test_save_config_preserves_existing_file_when_write_fails(
|
|
tmp_path: Path, monkeypatch: pytest.MonkeyPatch
|
|
) -> None:
|
|
path = tmp_path / "config.json"
|
|
save_config(Config(), path)
|
|
before = path.read_text(encoding="utf-8")
|
|
|
|
def boom(self: Path, target: Path) -> Path: # noqa: ARG001
|
|
raise OSError("simulated crash before replace")
|
|
|
|
monkeypatch.setattr(Path, "replace", boom)
|
|
with pytest.raises(OSError, match="simulated crash"):
|
|
save_config(Config(), path)
|
|
|
|
assert path.read_text(encoding="utf-8") == before
|
|
assert json.loads(before) # still valid JSON
|