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feat: finish mailbox evidence scanner mvp

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This commit is contained in:
Bernd Worsch
2026-06-02 02:24:39 +02:00
parent 226c045397
commit 7ab1f9deb9
11 changed files with 192 additions and 18 deletions
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9
tests/fixtures/mailbox/challenge_response.eml vendored Normal file
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@@ -0,0 +1,9 @@
From: Sender Verification <verify@example.net>
To: sender@example.com
Subject: Sender verification required
Date: Tue, 02 Jun 2026 10:09:00 +0000
Message-ID: <challenge-response@example.net>
Content-Type: text/plain; charset=utf-8
This is a challenge-response message. Please verify yourself before your message
can be delivered to challenge@example.com.

1
tests/fixtures/mailbox/parse_failed.eml vendored Normal file
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@@ -0,0 +1 @@

20
tests/test_parser.py
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@@ -72,6 +72,26 @@ class ParserTests(unittest.TestCase):
self.assertIsNotNone(candidate)
self.assertEqual(candidate.event_type, "notification.endpoint.unknown")
def test_challenge_response_stays_identity_uncertain(self) -> None:
_inbound, parsed, candidate = parse_message_file(FIXTURES / "challenge_response.eml", mailbox_id="test")
self.assertEqual(parsed.message_class, MessageClass.CHALLENGE_RESPONSE)
self.assertIsNotNone(candidate)
self.assertEqual(candidate.event_type, "interaction.unverified_actor_interaction")
self.assertEqual(candidate.assessment_subclass, "undef.identity_uncertain")
def test_parse_failure_is_reportable_diagnostic(self) -> None:
_inbound, parsed, candidate = parse_message_file(FIXTURES / "parse_failed.eml", mailbox_id="test")
self.assertEqual(parsed.message_class, MessageClass.PARSE_FAILED)
self.assertIsNotNone(candidate)
self.assertEqual(candidate.event_type, "diagnostic.message.parse_failed")
self.assertEqual(candidate.assessment_subclass, "undef.parse_failed")
def test_dsn_detail_fields_are_preserved_as_notes(self) -> None:
_inbound, parsed, _candidate = parse_message_file(FIXTURES / "hard_bounce.eml", mailbox_id="test")
self.assertIn("final_recipient=rfc822; missing@example.com", parsed.notes)
self.assertIn("action=failed", parsed.notes)
self.assertIn("diagnostic_code=smtp; 550 5.1.1 User unknown", parsed.notes)
if __name__ == "__main__":
unittest.main()

8
tests/test_scanner.py
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@@ -28,13 +28,13 @@ class ScannerTests(unittest.TestCase):
second = scan_mailbox(config)
full = scan_mailbox(config, full_rescan=True, report_only_new=True)
self.assertEqual(first.scan.messages_seen, 9)
self.assertEqual(first.scan.messages_new, 9)
self.assertGreaterEqual(first.scan.evidence_events_created, 9)
self.assertEqual(first.scan.messages_seen, 11)
self.assertEqual(first.scan.messages_new, 11)
self.assertGreaterEqual(first.scan.evidence_events_created, 11)
self.assertEqual(second.scan.messages_seen, 0)
self.assertEqual(second.scan.messages_new, 0)
self.assertEqual(second.scan.evidence_events_created, 0)
self.assertEqual(full.scan.messages_seen, 9)
self.assertEqual(full.scan.messages_seen, 11)
self.assertEqual(full.scan.messages_new, 0)
self.assertEqual(full.scan.evidence_events_created, 0)
self.assertTrue(first.report_path and first.report_path.exists())