"""Pfad- und Dateiname-Grenzen."""

import unittest

from grotti import library
from grotti.errors import GrottiError


class SafeFilenameTests(unittest.TestCase):
    def test_rejects_dotdot(self):
        self.assertEqual(library.safe_filename(".."), "datei.gcode")
        self.assertEqual(library.safe_filename("../x.gcode"), "x.gcode")

    def test_normalize_folder_blocks_escape(self):
        with self.assertRaises(GrottiError):
            library.normalize_folder("../secret")
        self.assertEqual(library.normalize_folder("Gridfinity/A"), "Gridfinity/A")


if __name__ == "__main__":
    unittest.main()