Files
govoplan-mail/tests/test_postbox_bridge.py
T

139 lines
4.6 KiB
Python

from __future__ import annotations
import unittest
from dataclasses import replace
from types import SimpleNamespace
from unittest.mock import patch
from sqlalchemy import Column, String, Table, create_engine
from sqlalchemy.orm import Session, sessionmaker
from govoplan_core.core.mail import MailPostboxBridgeRequest
from govoplan_core.core.postbox import PostboxTargetRef
from govoplan_core.db.base import Base
from govoplan_mail.backend.db.models import MailServerProfile
from govoplan_mail.backend.postbox_bridge import MailPostboxBridge
RAW_MESSAGE = b"""From: Ada Example <ada@example.test>
To: Clerk <clerk@example.test>
Cc: Archive <archive@example.test>
Message-ID: <bridge-1@example.test>
Subject: Submitted evidence
MIME-Version: 1.0
Content-Type: multipart/mixed; boundary=bridge
--bridge
Content-Type: text/plain; charset=utf-8
Please process the attached evidence.
--bridge
Content-Type: application/pdf
Content-Disposition: attachment; filename=evidence.pdf
Content-Transfer-Encoding: base64
UERG
--bridge--
"""
class _DeliveryProvider:
def __init__(self) -> None:
self.requests = []
def deliver(self, session, request):
del session
self.requests.append(request)
return SimpleNamespace(
postbox_id="postbox-1",
message_id="message-1",
delivery_id="delivery-1",
duplicate=len(self.requests) > 1,
)
class MailPostboxBridgeTests(unittest.TestCase):
def setUp(self) -> None:
self.engine = create_engine("sqlite:///:memory:")
access_users = Base.metadata.tables.get("access_users")
if access_users is None:
access_users = Table(
"access_users",
Base.metadata,
Column("id", String(36), primary_key=True),
)
Base.metadata.create_all(
self.engine,
tables=[access_users, MailServerProfile.__table__],
)
self.Session = sessionmaker(
bind=self.engine,
class_=Session,
expire_on_commit=False,
)
with self.Session() as session:
session.add(
MailServerProfile(
id="profile-1",
tenant_id="tenant-1",
scope_type="tenant",
scope_id="tenant-1",
name="Inbound",
slug="inbound",
smtp_config={},
)
)
session.commit()
self.addCleanup(self.engine.dispose)
def test_bridge_parses_bounded_content_and_delegates_idempotently(self) -> None:
delivery = _DeliveryProvider()
request = MailPostboxBridgeRequest(
tenant_id="tenant-1",
target=PostboxTargetRef(postbox_id="postbox-1"),
profile_id="profile-1",
folder="INBOX",
uid="42",
uidvalidity="20260807",
raw_message=RAW_MESSAGE,
)
with self.Session() as session, patch(
"govoplan_mail.backend.postbox_bridge.postbox_delivery_provider",
return_value=delivery,
):
first = MailPostboxBridge().bridge_message(session, request)
second = MailPostboxBridge().bridge_message(session, request)
MailPostboxBridge().bridge_message(
session,
replace(request, uidvalidity="20260808"),
)
self.assertFalse(first.duplicate)
self.assertTrue(second.duplicate)
self.assertEqual(first.source_digest, second.source_digest)
self.assertEqual(
delivery.requests[0].idempotency_key,
delivery.requests[1].idempotency_key,
)
self.assertNotEqual(
delivery.requests[0].idempotency_key,
delivery.requests[2].idempotency_key,
)
bridged = delivery.requests[0]
self.assertEqual("Submitted evidence", bridged.subject)
self.assertIn("Please process", bridged.body_text)
self.assertEqual(
["sender", "to", "cc"],
[participant.kind for participant in bridged.participants],
)
self.assertEqual(1, len(bridged.attachments))
self.assertEqual("evidence.pdf", bridged.attachments[0].name)
self.assertEqual("mail_attachment", bridged.attachments[0].reference_type)
self.assertEqual("<bridge-1@example.test>", bridged.metadata["rfc_message_id"])
self.assertEqual("20260807", bridged.metadata["mailbox_uidvalidity"])
self.assertNotIn("raw_message", bridged.metadata)
if __name__ == "__main__":
unittest.main()