import unittest from fgai.logs import parse_log_line from fgai.profile_suggestions import suggest_stream_profiles class ProfileSuggestionTests(unittest.TestCase): def test_suggests_common_profile_fields_per_stream(self): events = [ parse_log_line(f"fgai_stream_id=firewall fgai_stream=Firewall srcip=10.0.0.{index} dstip=8.8.8.8 dstport=443 action=deny timestamp=2026-06-29T10:00:{index:02d}Z hitcount={index}") for index in range(1, 25) ] suggestions = suggest_stream_profiles(events) profile = suggestions[0]["profile"] self.assertEqual(profile["stream_id"], "firewall") self.assertIn("srcip", profile["entity_fields"]) self.assertEqual(profile["timestamp_field"], "eventtime") self.assertIn("action", profile["categorical_fields"]) self.assertIn("dstport", profile["categorical_fields"]) self.assertIn("hitcount", profile["numeric_fields"]) self.assertIn("deny_action", profile["detectors"]) def test_suggests_windows_event_fields(self): events = [ parse_log_line( f"fgai_stream_id=windows fgai_stream=Windows winlog_event_id=4625 " f"winlog_event_data_targetusername=alice winlog_computer_name=host{index % 3} " f"event_provider=Microsoft-Windows-Security-Auditing logon_type=3 " f"eventtime=2026-06-29T10:00:{index:02d}Z action=failure" ) for index in range(1, 30) ] profile = suggest_stream_profiles(events)[0]["profile"] self.assertIn("username", profile["entity_fields"]) self.assertIn("hostname", profile["entity_fields"]) self.assertIn("eventid", profile["categorical_fields"]) self.assertIn("logon_type", profile["categorical_fields"]) self.assertIn("auth_failure", profile["detectors"]) def test_discovers_non_priority_application_fields(self): events = [ parse_log_line( f"fgai_stream_id=app fgai_stream=BillingApp tenant_id=t{index % 4} actor_id=user{index % 7} " f"workflow_state={'approved' if index % 2 else 'rejected'} payment_provider=stripe risk_points={index % 9} " f"created_at=2026-06-29T10:00:{index:02d}Z" ) for index in range(1, 40) ] profile = suggest_stream_profiles(events)[0]["profile"] self.assertIn("username", profile["entity_fields"]) self.assertIn("tenant_id", profile["categorical_fields"]) self.assertIn("workflow_state", profile["categorical_fields"]) self.assertIn("risk_points", profile["numeric_fields"]) if __name__ == "__main__": unittest.main()