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https://github.com/alexgetmancom/miband-bot.git
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Alex
36 lines
1003 B
Python
36 lines
1003 B
Python
from __future__ import annotations
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import subprocess
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import sys
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from pathlib import Path
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import pytest
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from miband_tracker.lock import LockUnavailable, exclusive_file_lock
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def test_exclusive_file_lock_rejects_second_process(tmp_path: Path) -> None:
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lock_path = tmp_path / "sync.lock"
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script = (
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"import sys, time\n"
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"from pathlib import Path\n"
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"from miband_tracker.lock import exclusive_file_lock\n"
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"with exclusive_file_lock(Path(sys.argv[1])):\n"
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" print('ready', flush=True)\n"
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" time.sleep(5)\n"
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)
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proc = subprocess.Popen(
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[sys.executable, "-c", script, str(lock_path)],
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stdout=subprocess.PIPE,
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text=True,
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)
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try:
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assert proc.stdout is not None
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assert proc.stdout.readline().strip() == "ready"
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with pytest.raises(LockUnavailable):
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with exclusive_file_lock(lock_path):
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pass
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finally:
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proc.terminate()
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proc.wait(timeout=5)
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