Files
2026-05-24 21:53:17 +03:00

39 lines
1.1 KiB
Python

# SPDX-License-Identifier: GPL-3.0-or-later
# Copyright (C) 2026 Alexey
from __future__ import annotations
import subprocess
import sys
from pathlib import Path
import pytest
from miband_tracker.lock import LockUnavailable, exclusive_file_lock
def test_exclusive_file_lock_rejects_second_process(tmp_path: Path) -> None:
lock_path = tmp_path / "sync.lock"
script = (
"import sys, time\n"
"from pathlib import Path\n"
"from miband_tracker.lock import exclusive_file_lock\n"
"with exclusive_file_lock(Path(sys.argv[1])):\n"
" print('ready', flush=True)\n"
" time.sleep(5)\n"
)
proc = subprocess.Popen(
[sys.executable, "-c", script, str(lock_path)],
stdout=subprocess.PIPE,
text=True,
)
try:
assert proc.stdout is not None
assert proc.stdout.readline().strip() == "ready"
with pytest.raises(LockUnavailable):
with exclusive_file_lock(lock_path):
pass
finally:
proc.terminate()
proc.wait(timeout=5)