import unittest
import os

from src.gui.components.explorer import _is_valid_entry_name, _is_within_root


class TestExplorerSafety(unittest.TestCase):
    def test_is_valid_entry_name_rejects_path_segments(self):
        self.assertFalse(_is_valid_entry_name("../outside.txt"))
        self.assertFalse(_is_valid_entry_name("nested/file.txt"))
        self.assertFalse(_is_valid_entry_name(r"nested\file.txt"))
        self.assertFalse(_is_valid_entry_name(".."))

    def test_is_valid_entry_name_accepts_simple_name(self):
        self.assertTrue(_is_valid_entry_name("song.lmd"))
        self.assertTrue(_is_valid_entry_name("verse_01"))

    def test_is_within_root(self):
        root = os.path.join("tmp", "project")
        inside = os.path.join(root, "lyrics", "song.lmd")
        outside = os.path.join("tmp", "other", "song.lmd")
        self.assertTrue(_is_within_root(root, inside))
        self.assertFalse(_is_within_root(root, outside))


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