Files
livef12rocks/tests/test_io_utils.py
Frank Schwenk b09f90bfcc
CI / lint-and-test (pull_request) Failing after 9s
fix: lock meta RMW and harden concurrent remix paths
Prevent worker/web clobbering of meta variants via flock and merge-by-id,
make filter timeouts thread-local, harden job-id/stem sanitization, migrate
TemplateResponse API, and remove the compare-bg experiment.

Co-authored-by: Cursor <cursoragent@cursor.com>
2026-07-18 17:44:15 +02:00

45 lines
1.3 KiB
Python

"""Tests for io_utils."""
from __future__ import annotations
import json
from pathlib import Path
from app.io_utils import read_json, write_json_atomic
def test_read_json_missing_returns_default(tmp_path: Path) -> None:
assert read_json(tmp_path / "missing.json", default={}) == {}
def test_read_json_corrupt_returns_default(tmp_path: Path) -> None:
path = tmp_path / "bad.json"
path.write_text("not json", encoding="utf-8")
assert read_json(path, default=None) is None
def test_write_json_atomic_roundtrip(tmp_path: Path) -> None:
path = tmp_path / "data.json"
payload = {"job_id": "photo", "variants": []}
write_json_atomic(path, payload)
assert json.loads(path.read_text(encoding="utf-8")) == payload
assert not path.with_suffix(path.suffix + ".tmp").exists()
def test_file_lock_exclusive(tmp_path: Path) -> None:
from concurrent.futures import ThreadPoolExecutor
from app.io_utils import file_lock
lock_path = tmp_path / "job.lock"
counter = {"n": 0}
def bump() -> None:
with file_lock(lock_path):
current = counter["n"]
counter["n"] = current + 1
with ThreadPoolExecutor(max_workers=8) as pool:
list(pool.map(lambda _: bump(), range(40)))
assert counter["n"] == 40