import unittest
from fgai.data_quality import assess_data_quality
from fgai.logs import parse_log_line

class DataQualityTests(unittest.TestCase):
    def test_reports_missing_source_and_timestamp(self):
        quality = assess_data_quality([parse_log_line("srcip=10.0.0.1 timestamp=now"), parse_log_line("action=deny")], {})
        self.assertEqual(quality["missing_source"], 1)