Function test_atomic_write_text_preserves_existing_mode

tests/test_locks.py:89–97

(tmp_path)

def test_atomic_write_text_preserves_existing_mode(tmp_path):
    target = tmp_path / "file.txt"
    target.write_text("first", encoding="utf-8")
    target.chmod(0o640)

    atomic_write_text(target, "second")

    assert target.read_text(encoding="utf-8") == "second"
    assert stat.S_IMODE(target.stat().st_mode) == 0o640


def test_atomic_write_json_replaces_file(tmp_path):