Function test_fallback_reentrant_locking

tests/test_unix_fallback.py:87–95

(tmp_path: Path, mocker: MockerFixture)

@unix_only
@pytest.mark.filterwarnings("default::UserWarning")
def test_fallback_reentrant_locking(tmp_path: Path, mocker: MockerFixture) -> None:
    mocker.patch(_FLOCK_PATCH_TARGET, side_effect=_ENOSYS_SIDE_EFFECT)
    lock = UnixFileLock(tmp_path / "test.lock")

    with lock:
        with lock:
            assert lock.is_locked
        assert lock.is_locked
    assert not lock.is_locked


@unix_only