Files
mobile.de/tests/test_db.py
2026-05-06 21:07:24 +03:00

189 lines
7.3 KiB
Python

from __future__ import annotations
import tempfile
import unittest
from datetime import datetime, timedelta, timezone
from pathlib import Path
from sqlalchemy import select
from mobilede_scraper.core.config import Settings
from mobilede_scraper.storage.db import PersistenceService
from mobilede_scraper.storage.models import Car, Image, SyncRun
from mobilede_scraper.storage.schemas import CarRecord, ImageRecord
class TestPersistenceServiceIntegration(unittest.TestCase):
def setUp(self) -> None:
self.tmp_dir = tempfile.TemporaryDirectory()
db_path = Path(self.tmp_dir.name) / "test.sqlite"
self.settings = Settings()
self.settings.database.url = f"sqlite:///{db_path.as_posix()}"
self.settings.database.echo = False
self.persistence = PersistenceService(self.settings)
self.persistence.create_tables()
def tearDown(self) -> None:
self.persistence.engine.dispose()
self.tmp_dir.cleanup()
@staticmethod
def _record(origin_id: str, *, price: int = 1000) -> CarRecord:
return CarRecord(
parser_id=f"mobilede:{origin_id}",
brand="Toyota",
model="Camry",
year=2014,
price=price,
origin_url=f"https://www.MOBILEDE.com/VehicleDetail/{origin_id}~US",
origin_id=origin_id,
slug=f"toyota-camry-{origin_id}",
images=[
ImageRecord(
fullres_image="https://vis.MOBILEDE.com/resizer?imageKeys=1&width=845&height=633",
preview_image="https://vis.MOBILEDE.com/resizer?imageKeys=1&width=400&height=300",
order_index=0,
)
],
)
@staticmethod
def _as_utc(value: datetime | None) -> datetime | None:
if value is None:
return None
if value.tzinfo is None:
return value.replace(tzinfo=timezone.utc)
return value.astimezone(timezone.utc)
def test_insert_update_and_skip_flow(self) -> None:
first = self._record("777", price=1000)
inserted = self.persistence.upsert_car(first)
self.assertEqual(inserted["action"], "inserted")
self.assertEqual(inserted["images_upserted"], 1)
same = self._record("777", price=1000)
updated_same = self.persistence.upsert_car(same)
self.assertEqual(updated_same["action"], "updated")
self.assertEqual(updated_same["images_upserted"], 1)
changed = self._record("777", price=1500)
updated = self.persistence.upsert_car(changed)
self.assertEqual(updated["action"], "updated")
self.assertEqual(updated["images_upserted"], 1)
with self.persistence.session_scope() as session:
cars = session.execute(select(Car)).scalars().all()
images = session.execute(select(Image)).scalars().all()
self.assertEqual(len(cars), 1)
self.assertEqual(cars[0].price, 1500)
self.assertEqual(len(images), 1)
def test_update_replaces_old_images(self) -> None:
first = self._record("888")
self.persistence.upsert_car(first)
second = self._record("888")
second.images = [
ImageRecord(
fullres_image="https://vis.MOBILEDE.com/resizer?imageKeys=2&width=845&height=633",
preview_image="https://vis.MOBILEDE.com/resizer?imageKeys=2&width=400&height=300",
order_index=0,
)
]
self.persistence.upsert_car(second)
with self.persistence.session_scope() as session:
images = session.execute(select(Image)).scalars().all()
self.assertEqual(len(images), 1)
self.assertIn("imageKeys=2", images[0].fullres_image)
def test_start_sync_run_marks_stale_running_runs_as_failed(self) -> None:
first_run_id = self.persistence.start_sync_run("lane-a")
second_run_id = self.persistence.start_sync_run("lane-b")
self.assertNotEqual(first_run_id, second_run_id)
with self.persistence.session_scope() as session:
first = session.get(SyncRun, first_run_id)
second = session.get(SyncRun, second_run_id)
self.assertEqual(first.status, "failed")
self.assertIsNotNone(first.finished_at)
self.assertEqual(second.status, "running")
def test_upsert_falls_back_to_origin_url_to_prevent_duplicates(self) -> None:
first = self._record("OLD-ID")
first.origin_url = "https://www.MOBILEDE.com/VehicleDetail/45089484~US"
self.persistence.upsert_car(first)
second = self._record("NEW-ID")
second.origin_url = "https://www.MOBILEDE.com/VehicleDetail/45089484~US"
result = self.persistence.upsert_car(second)
self.assertEqual(result["action"], "updated")
with self.persistence.session_scope() as session:
cars = session.execute(select(Car)).scalars().all()
self.assertEqual(len(cars), 1)
self.assertEqual(cars[0].origin_id, "NEW-ID")
def test_upsert_preserves_first_seen_and_reactivates_seen_car(self) -> None:
first_seen = datetime(2026, 5, 1, tzinfo=timezone.utc)
sold_at = datetime(2026, 5, 2, tzinfo=timezone.utc)
seen_at = datetime(2026, 5, 5, tzinfo=timezone.utc)
first = self._record("mobile.de:777", price=1000)
first.first_seen_at = first_seen
first.last_seen_at = first_seen
self.persistence.upsert_car(first)
with self.persistence.session_scope() as session:
car = session.execute(select(Car).where(Car.origin_id == "mobile.de:777")).scalar_one()
car.is_sold = True
car.sold_at = sold_at
updated = self._record("mobile.de:777", price=1500)
updated.first_seen_at = seen_at
updated.last_seen_at = seen_at
updated.is_sold = False
updated.sold_at = None
self.persistence.upsert_car(updated)
with self.persistence.session_scope() as session:
car = session.execute(select(Car).where(Car.origin_id == "mobile.de:777")).scalar_one()
self.assertEqual(self._as_utc(car.first_seen_at), first_seen)
self.assertEqual(self._as_utc(car.last_seen_at), seen_at)
self.assertFalse(car.is_sold)
self.assertIsNone(car.sold_at)
self.assertEqual(car.price, 1500)
def test_mark_sold_not_seen_since_sets_sold_at_to_cycle_seen_at(self) -> None:
seen_at = datetime(2026, 5, 5, tzinfo=timezone.utc)
old = self._record("mobile.de:old")
old.first_seen_at = seen_at - timedelta(days=2)
old.last_seen_at = seen_at - timedelta(days=1)
current = self._record("mobile.de:current")
current.first_seen_at = seen_at
current.last_seen_at = seen_at
self.persistence.upsert_car(old)
self.persistence.upsert_car(current)
marked = self.persistence.mark_sold_not_seen_since(seen_at)
self.assertEqual(marked, 1)
with self.persistence.session_scope() as session:
cars = session.execute(select(Car).order_by(Car.origin_id.asc())).scalars().all()
sold_map = {car.origin_id: (car.is_sold, self._as_utc(car.sold_at)) for car in cars}
self.assertEqual(sold_map["mobile.de:old"], (True, seen_at))
self.assertEqual(sold_map["mobile.de:current"], (False, None))
if __name__ == "__main__":
unittest.main()