import sys
from pathlib import Path
import unittest
sys.path.insert(0, str(Path(__file__).parents[1] / 'scripts'))
from sync import parse_index, validate_document

class TestBSI(unittest.TestCase):
    def test_index_filter(self):
        self.assertEqual(parse_index(b'2016/a.json\n2017/b.json\n2026/c.json\n', 2017), ['2017/b.json','2026/c.json'])
    def test_bad_index(self):
        with self.assertRaises(ValueError):
            parse_index(b'../../evil.json\n', 2017)
    def test_doc(self):
        validate_document(b'{"document":{"tracking":{"id":"WID-1","current_release_date":"2026-01-01"}}}', '2026/a.json')
        with self.assertRaises(ValueError):
            validate_document(b'{}', '2026/a.json')

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