Prepare mobile de parser preview

tests/test_resilience.py

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+from __future__ import annotations
+
+import unittest
+from types import SimpleNamespace
+from unittest.mock import MagicMock, patch
+
+from iaai_scraper.scraper import IAAIScraper
+from iaai_scraper.core.config import Settings
+from iaai_scraper.worker import tasks
+
+
+class TestResilience(unittest.TestCase):
+	def _make_scraper(self) -> IAAIScraper:
+		s = Settings()
+		s.log_level = "CRITICAL"
+		s.database.url = "sqlite://"
+		return IAAIScraper(s)
+
+	def test_update_task_progress_updates_global_marker(self) -> None:
+		redis_client = MagicMock()
+		pipe = MagicMock()
+		redis_client.pipeline.return_value = pipe
+
+		tasks._update_task_progress(
+			redis_client,
+			task_id="task-abc",
+			stage="batch_upserted",
+			ttl_seconds=180,
+			cars_upserted=10,
+		)
+
+		redis_client.pipeline.assert_called_once()
+		self.assertEqual(pipe.set.call_count, 2)
+		first_call = pipe.set.call_args_list[0]
+		second_call = pipe.set.call_args_list[1]
+
+		self.assertEqual(first_call.args[0], tasks._task_progress_key("task-abc"))
+		self.assertEqual(second_call.args[0], tasks.GLOBAL_PROGRESS_TS_KEY)
+		pipe.execute.assert_called_once()
+
+	def test_streaming_sync_stops_cleanly_when_page_stays_empty(self) -> None:
+		scraper = self._make_scraper()
+		scraper.settings.celery.batch_size = 50
+
+		page = MagicMock()
+		empty_page_result = SimpleNamespace(
+			page_number=1,
+			vehicle_links=[],
+			next_page_detected=True,
+		)
+
+		scraper._open_listing_for_stream = MagicMock(return_value=(
+			page,
+			{"make": None, "model": None, "year_min": None, "year_max": None},
+		))
+		scraper.listing_collector.collect_current_page = MagicMock(return_value=empty_page_result)
+		scraper._recover_empty_listing_page = MagicMock(return_value=(empty_page_result, []))
+		scraper.sync_batch = MagicMock()
+
+		result = scraper._sync_listing_streaming(
+			make=None,
+			model=None,
+			lane="iaai_cars",
+			limit=None,
+			effective_only_new=False,
+			started_at=0.0,
+			listing_url="https://www.iaai.com/Vehiclelisting/Cars?Make=TEST",
+		)
+
+		self.assertEqual(result["total"], 0)
+		self.assertEqual(result["cars_upserted"], 0)
+		self.assertEqual(result["cars_failed"], 0)
+		self.assertEqual(result["listing"]["pages_collected"], 1)
+		scraper._recover_empty_listing_page.assert_called_once()
+		scraper.sync_batch.assert_not_called()
+
+
+if __name__ == "__main__":
+	unittest.main()