"""Slice-Ordner (watch_dir) in config."""

from __future__ import annotations

import tempfile
import unittest
from pathlib import Path
from unittest.mock import patch

from grotti import config
from grotti.errors import GrottiError


class WatchDirTest(unittest.TestCase):
    def test_empty(self):
        path, stored = config.parse_watch_dir("")
        self.assertIsNone(path)
        self.assertEqual(stored, "")

    def test_relative_under_root(self):
        with tempfile.TemporaryDirectory() as tmp:
            root = Path(tmp)
            target = root / "slice"
            target.mkdir()
            with patch.object(config, "ROOT", root):
                path, stored = config.parse_watch_dir("slice", create=False)
            self.assertEqual(path, target.resolve())
            self.assertEqual(stored, "slice")

    def test_create(self):
        with tempfile.TemporaryDirectory() as tmp:
            root = Path(tmp)
            with patch.object(config, "ROOT", root):
                path, stored = config.parse_watch_dir("slice", create=True)
            self.assertTrue(path.is_dir())
            self.assertEqual(stored, "slice")

    def test_file_rejected(self):
        with tempfile.TemporaryDirectory() as tmp:
            root = Path(tmp)
            file_path = root / "not-a-dir"
            file_path.write_text("x", encoding="utf-8")
            with patch.object(config, "ROOT", root):
                with self.assertRaises(GrottiError):
                    config.parse_watch_dir(str(file_path), create=False)


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