Function open_always_permission_error

tests/test_filelock.py:1077–1080

(path: str, flags: int, mode: int = 0o777, *, dir_fd: int | None = None)

    real_open = os.open

    def open_always_permission_error(path: str, flags: int, mode: int = 0o777, *, dir_fd: int | None = None) -> int:
        if "test.lock" in path:
            raise PermissionError(13, "Permission denied", path)
        return real_open(path, flags, mode) if dir_fd is None else real_open(path, flags, mode, dir_fd=dir_fd)

    mocker.patch("os.open", side_effect=open_always_permission_error)
    with pytest.raises(PermissionError, match="Permission denied"):