from __future__ import annotations import json import unittest from unittest.mock import MagicMock, patch from iaai_scraper.worker import tasks class TestWorkerTaskLockHelpers(unittest.TestCase): def test_lock_acquire_refresh_release(self) -> None: redis_client = MagicMock() # Acquire. redis_client.set.return_value = True self.assertTrue(tasks._acquire_lock(redis_client, "lock:key", "owner-token", 120)) redis_client.set.assert_called_once_with("lock:key", "owner-token", nx=True, ex=120) # Refresh. redis_client.eval.return_value = 1 self.assertTrue(tasks._refresh_lock_if_owner(redis_client, "lock:key", "owner-token", 120)) # Release. redis_client.eval.reset_mock() tasks._release_lock_if_owner(redis_client, "lock:key", "owner-token") args = redis_client.eval.call_args[0] self.assertEqual(args[2], "lock:key") self.assertEqual(args[3], "owner-token") def test_sync_listing_task_skips_when_lock_not_acquired(self) -> None: with patch.object(tasks, "_get_persistence") as get_persistence, \ patch.object(tasks, "_get_redis") as get_redis, \ patch.object(tasks, "_acquire_lock", return_value=False): persistence = MagicMock() get_persistence.return_value = persistence get_redis.return_value = MagicMock() tasks.sync_listing_task.push_request(id="task-123") try: result = tasks.sync_listing_task.run() finally: tasks.sync_listing_task.pop_request() persistence.create_tables.assert_called_once() self.assertEqual(result["status"], "skipped") self.assertEqual(result["reason"], "sync_already_running") def test_sync_listing_task_releases_owned_lock(self) -> None: with patch.object(tasks, "_get_persistence") as get_persistence, \ patch.object(tasks, "_get_redis") as get_redis, \ patch.object(tasks, "_acquire_lock", return_value=True), \ patch.object(tasks, "_is_full_scan_done", return_value=True), \ patch.object(tasks, "_start_lock_heartbeat") as start_heartbeat, \ patch.object(tasks, "_release_lock_if_owner") as release_lock, \ patch.object(tasks.sync_listing_task, "update_state"), \ patch.object(tasks, "_run_browser_job", return_value={ "run_id": 7, "cars_upserted": 2, "cars_failed": 0, "images_upserted": 4, "skipped_existing": 1, "elapsed_seconds": 1.25, }): persistence = MagicMock() get_persistence.return_value = persistence redis_client = MagicMock() redis_client.get.return_value = None get_redis.return_value = redis_client stop_event = MagicMock() heartbeat_thread = MagicMock() start_heartbeat.return_value = (stop_event, heartbeat_thread) tasks.sync_listing_task.push_request(id="task-123") try: result = tasks.sync_listing_task.run(make="Toyota") finally: tasks.sync_listing_task.pop_request() self.assertEqual(result["status"], "success") stop_event.set.assert_called_once() heartbeat_thread.join.assert_called_once() release_lock.assert_called_once() def test_clear_orphan_sync_listing_lock(self) -> None: # Нет запущенных задач → удаляет. redis_client = MagicMock() redis_client.get.return_value = "owner-token" redis_client.ttl.return_value = 120 celery_app = MagicMock() inspector = MagicMock() inspector.active.return_value = {"worker@node": []} inspector.reserved.return_value = {"worker@node": []} inspector.scheduled.return_value = {"worker@node": []} celery_app.control.inspect.return_value = inspector self.assertTrue(tasks._clear_orphan_sync_listing_lock(redis_client, celery_app)) redis_client.delete.assert_called_once_with(tasks.SYNC_LISTING_LOCK_KEY) # Задача активна → не удаляет. redis_client2 = MagicMock() redis_client2.get.return_value = "owner-token" inspector2 = MagicMock() inspector2.active.return_value = {"worker@node": [{"name": tasks.SYNC_LISTING_TASK_NAME}]} inspector2.reserved.return_value = {"worker@node": []} inspector2.scheduled.return_value = {"worker@node": []} celery_app2 = MagicMock() celery_app2.control.inspect.return_value = inspector2 self.assertFalse(tasks._clear_orphan_sync_listing_lock(redis_client2, celery_app2)) redis_client2.delete.assert_not_called() def test_sync_listing_task_recovers_orphan_lock_and_runs(self) -> None: with patch.object(tasks, "_get_persistence") as get_persistence, \ patch.object(tasks, "_get_redis") as get_redis, \ patch.object(tasks, "_acquire_lock", side_effect=[False, True]) as acquire_lock, \ patch.object(tasks, "_clear_orphan_sync_listing_lock", return_value=True) as clear_orphan, \ patch.object(tasks, "_is_full_scan_done", return_value=True), \ patch.object(tasks, "_start_lock_heartbeat") as start_heartbeat, \ patch.object(tasks, "_release_lock_if_owner") as release_lock, \ patch.object(tasks.sync_listing_task, "update_state"), \ patch.object(tasks, "_run_browser_job", return_value={ "run_id": 9, "cars_upserted": 3, "cars_failed": 0, "images_upserted": 5, "skipped_existing": 0, "elapsed_seconds": 2.0, }): persistence = MagicMock() get_persistence.return_value = persistence redis_client = MagicMock() redis_client.get.return_value = None get_redis.return_value = redis_client stop_event = MagicMock() heartbeat_thread = MagicMock() start_heartbeat.return_value = (stop_event, heartbeat_thread) tasks.sync_listing_task.push_request(id="task-456") try: result = tasks.sync_listing_task.run(make="Honda") finally: tasks.sync_listing_task.pop_request() self.assertEqual(result["status"], "success") clear_orphan.assert_called_once() self.assertEqual(acquire_lock.call_count, 2) release_lock.assert_called_once() def test_sync_listing_checkpoint_save_load_and_resume(self) -> None: # Roundtrip: save → load. redis_client = MagicMock() storage: dict[str, str] = {} def _fake_set(key, value, ex=None): storage[key] = value return True redis_client.set.side_effect = _fake_set redis_client.get.side_effect = lambda key: storage.get(key) tasks._save_sync_checkpoint( redis_client, task_id="task-1", page_number=12, make=None, model=None, lane="iaai_cars", ) checkpoint = tasks._load_sync_checkpoint(redis_client) self.assertIsNotNone(checkpoint) self.assertEqual(checkpoint["last_successful_page"], 12) # Resume: задача стартует со страницы checkpoint + 1. with patch.object(tasks, "_get_persistence") as get_persistence, \ patch.object(tasks, "_get_redis") as get_redis, \ patch.object(tasks, "_acquire_lock", return_value=True), \ patch.object(tasks, "_is_full_scan_done", return_value=False), \ patch.object(tasks, "_start_lock_heartbeat") as start_heartbeat, \ patch.object(tasks, "_release_lock_if_owner") as release_lock, \ patch.object(tasks, "_clear_sync_checkpoint") as clear_checkpoint, \ patch.object(tasks, "_run_browser_job", side_effect=lambda fn: fn()), \ patch.object(tasks.sync_listing_task, "update_state"), \ patch("iaai_scraper.worker.tasks.parse_listing_segments", return_value=[]): get_persistence.return_value = MagicMock() redis_client2 = MagicMock() redis_client2.get.side_effect = lambda key: json.dumps({ "status": "in_progress", "last_successful_page": 9, "make": None, "model": None, "lane": "iaai_cars", }) if key == tasks.SYNC_LISTING_CHECKPOINT_KEY else None get_redis.return_value = redis_client2 stop_event = MagicMock() heartbeat_thread = MagicMock() start_heartbeat.return_value = (stop_event, heartbeat_thread) sync_listing_mock = MagicMock(return_value={ "run_id": 11, "status": "success", "full_scan_completed": True, "cars_upserted": 1, "cars_failed": 0, "images_upserted": 0, "skipped_existing": 0, "elapsed_seconds": 1.0, "failures": [], }) scraper_ctx = MagicMock() scraper_ctx.__enter__.return_value.sync_listing = sync_listing_mock scraper_ctx.__exit__.return_value = None with patch.object(tasks, "IAAIScraper", return_value=scraper_ctx): tasks.sync_listing_task.push_request(id="task-789") try: result = tasks.sync_listing_task.run() finally: tasks.sync_listing_task.pop_request() self.assertEqual(result["status"], "success") self.assertEqual(sync_listing_mock.call_args.kwargs["start_page"], 10) clear_checkpoint.assert_called() release_lock.assert_called_once() def test_sync_listing_ignores_checkpoint_after_full_scan_completed(self) -> None: with patch.object(tasks, "_get_persistence") as get_persistence, \ patch.object(tasks, "_get_redis") as get_redis, \ patch.object(tasks, "_acquire_lock", return_value=True), \ patch.object(tasks, "_is_full_scan_done", return_value=True), \ patch.object(tasks, "_start_lock_heartbeat") as start_heartbeat, \ patch.object(tasks, "_release_lock_if_owner") as release_lock, \ patch.object(tasks, "_clear_sync_checkpoint") as clear_checkpoint, \ patch.object(tasks, "_run_browser_job", side_effect=lambda fn: fn()), \ patch.object(tasks.sync_listing_task, "update_state"), \ patch("iaai_scraper.worker.tasks.parse_listing_segments", return_value=[]): get_persistence.return_value = MagicMock() redis_client = MagicMock() redis_client.get.side_effect = lambda key: json.dumps({ "status": "in_progress", "last_successful_page": 25, "make": None, "model": None, "lane": "iaai_cars", }) if key == tasks.SYNC_LISTING_CHECKPOINT_KEY else None get_redis.return_value = redis_client stop_event = MagicMock() heartbeat_thread = MagicMock() start_heartbeat.return_value = (stop_event, heartbeat_thread) sync_listing_mock = MagicMock(return_value={ "run_id": 14, "status": "success", "full_scan_completed": True, "cars_upserted": 1, "cars_failed": 0, "images_upserted": 0, "skipped_existing": 0, "elapsed_seconds": 1.0, "failures": [], }) scraper_ctx = MagicMock() scraper_ctx.__enter__.return_value.sync_listing = sync_listing_mock scraper_ctx.__exit__.return_value = None with patch.object(tasks, "IAAIScraper", return_value=scraper_ctx): tasks.sync_listing_task.push_request(id="task-792") try: result = tasks.sync_listing_task.run() finally: tasks.sync_listing_task.pop_request() self.assertEqual(result["status"], "success") self.assertEqual(sync_listing_mock.call_args.kwargs["start_page"], 1) self.assertIsNone(sync_listing_mock.call_args.kwargs["progress_callback"]) clear_checkpoint.assert_called() release_lock.assert_called_once() def test_sync_listing_checkpoint_zero_page_restarts_from_first_page(self) -> None: with patch.object(tasks, "_get_persistence") as get_persistence, \ patch.object(tasks, "_get_redis") as get_redis, \ patch.object(tasks, "_acquire_lock", return_value=True), \ patch.object(tasks, "_is_full_scan_done", return_value=True), \ patch.object(tasks, "_start_lock_heartbeat") as start_heartbeat, \ patch.object(tasks, "_release_lock_if_owner") as release_lock, \ patch.object(tasks, "_run_browser_job", side_effect=lambda fn: fn()), \ patch.object(tasks.sync_listing_task, "update_state"), \ patch("iaai_scraper.worker.tasks.parse_listing_segments", return_value=[]): get_persistence.return_value = MagicMock() redis_client = MagicMock() redis_client.get.side_effect = lambda key: json.dumps({ "status": "in_progress", "last_successful_page": 0, "make": None, "model": None, "lane": "iaai_cars", }) if key == tasks.SYNC_LISTING_CHECKPOINT_KEY else None get_redis.return_value = redis_client stop_event = MagicMock() heartbeat_thread = MagicMock() start_heartbeat.return_value = (stop_event, heartbeat_thread) sync_listing_mock = MagicMock(return_value={ "run_id": 12, "status": "success", "full_scan_completed": True, "cars_upserted": 1, "cars_failed": 0, "images_upserted": 0, "skipped_existing": 0, "elapsed_seconds": 1.0, "failures": [], }) scraper_ctx = MagicMock() scraper_ctx.__enter__.return_value.sync_listing = sync_listing_mock scraper_ctx.__exit__.return_value = None with patch.object(tasks, "IAAIScraper", return_value=scraper_ctx): tasks.sync_listing_task.push_request(id="task-790") try: result = tasks.sync_listing_task.run() finally: tasks.sync_listing_task.pop_request() self.assertEqual(result["status"], "success") self.assertEqual(sync_listing_mock.call_args.kwargs["start_page"], 1) release_lock.assert_called_once() def test_save_sync_checkpoint_sets_ttl(self) -> None: redis_client = MagicMock() tasks._save_sync_checkpoint( redis_client, task_id="task-1", page_number=3, make=None, model=None, lane="iaai_cars", ) redis_client.set.assert_called_once() self.assertEqual(redis_client.set.call_args.kwargs["ex"], tasks.SYNC_LISTING_CHECKPOINT_TTL_SECONDS) def test_load_sync_checkpoint_clears_invalid_payload(self) -> None: redis_client = MagicMock() redis_client.get.return_value = "{broken-json" checkpoint = tasks._load_sync_checkpoint(redis_client) self.assertIsNone(checkpoint) redis_client.delete.assert_called_once_with(tasks.SYNC_LISTING_CHECKPOINT_KEY) def test_sync_listing_task_clears_checkpoint_on_partial_success_when_full_scan_completed(self) -> None: with patch.object(tasks, "_get_persistence") as get_persistence, \ patch.object(tasks, "_get_redis") as get_redis, \ patch.object(tasks, "_acquire_lock", return_value=True), \ patch.object(tasks, "_is_full_scan_done", return_value=True), \ patch.object(tasks, "_start_lock_heartbeat") as start_heartbeat, \ patch.object(tasks, "_release_lock_if_owner") as release_lock, \ patch.object(tasks, "_clear_sync_checkpoint") as clear_checkpoint, \ patch.object(tasks, "_run_browser_job", return_value={ "run_id": 13, "status": "partial_success", "full_scan_completed": True, "cars_upserted": 2, "cars_failed": 1, "images_upserted": 3, "skipped_existing": 0, "elapsed_seconds": 4.0, "failures": [{"vehicle_url": "v", "error": "e"}], }), \ patch.object(tasks.sync_listing_task, "update_state"): get_persistence.return_value = MagicMock() redis_client = MagicMock() redis_client.get.return_value = None get_redis.return_value = redis_client stop_event = MagicMock() heartbeat_thread = MagicMock() start_heartbeat.return_value = (stop_event, heartbeat_thread) tasks.sync_listing_task.push_request(id="task-791") try: result = tasks.sync_listing_task.run(make="Toyota") finally: tasks.sync_listing_task.pop_request() self.assertEqual(result["status"], "partial_success") clear_checkpoint.assert_called_once_with(redis_client) release_lock.assert_called_once() def test_try_set_followup_pending_deduplicates(self) -> None: redis_client = MagicMock() redis_client.set.side_effect = [True, False] self.assertTrue(tasks._try_set_followup_pending(redis_client, ttl_seconds=120)) self.assertFalse(tasks._try_set_followup_pending(redis_client, ttl_seconds=120)) def test_bump_bootstrap_failure_streak_opens_circuit_breaker(self) -> None: redis_client = MagicMock() redis_client.incr.return_value = tasks.SYNC_LISTING_BOOTSTRAP_FAILURE_STREAK_LIMIT streak, should_enqueue = tasks._bump_bootstrap_failure_streak( redis_client, reason="max_retries_exceeded", ) self.assertEqual(streak, tasks.SYNC_LISTING_BOOTSTRAP_FAILURE_STREAK_LIMIT) self.assertFalse(should_enqueue) redis_client.expire.assert_called_once_with( tasks.SYNC_LISTING_BOOTSTRAP_FAILURE_STREAK_KEY, tasks.SYNC_LISTING_BOOTSTRAP_FAILURE_STREAK_TTL_SECONDS, ) def test_bump_bootstrap_failure_streak_allows_retry_before_limit(self) -> None: redis_client = MagicMock() redis_client.incr.return_value = 1 streak, should_enqueue = tasks._bump_bootstrap_failure_streak( redis_client, reason="bootstrap_not_completed", ) self.assertEqual(streak, 1) self.assertTrue(should_enqueue) def test_sync_listing_task_does_not_enqueue_followup_after_bootstrap_error_limit(self) -> None: with patch.object(tasks, "_get_persistence") as get_persistence, \ patch.object(tasks, "_get_redis") as get_redis, \ patch.object(tasks, "_acquire_lock", return_value=True), \ patch.object(tasks, "_is_full_scan_done", return_value=False), \ patch.object(tasks, "_start_lock_heartbeat") as start_heartbeat, \ patch.object(tasks, "_release_lock_if_owner") as release_lock, \ patch.object(tasks, "_try_set_followup_pending", return_value=True), \ patch.object(tasks, "_bump_bootstrap_failure_streak", return_value=(tasks.SYNC_LISTING_BOOTSTRAP_FAILURE_STREAK_LIMIT, False)) as bump_streak, \ patch.object(tasks, "_clear_followup_pending") as clear_pending, \ patch.object(tasks.sync_listing_task, "update_state"), \ patch.object(tasks, "_run_browser_job", return_value={ "run_id": 99, "status": "failed", "full_scan_completed": False, "cars_upserted": 0, "cars_failed": 0, "images_upserted": 0, "skipped_existing": 0, "elapsed_seconds": 1.0, "failures": [{"vehicle_url": "listing", "error": "bad resume"}], "listing": {"vehicles_collected": 0}, }): get_persistence.return_value = MagicMock() redis_client = MagicMock() redis_client.get.return_value = None get_redis.return_value = redis_client stop_event = MagicMock() heartbeat_thread = MagicMock() start_heartbeat.return_value = (stop_event, heartbeat_thread) with patch.object(tasks.sync_listing_task, "app", new=MagicMock()) as task_app: tasks.sync_listing_task.push_request(id="task-900") try: result = tasks.sync_listing_task.run() finally: tasks.sync_listing_task.pop_request() self.assertEqual(result["status"], "failed") bump_streak.assert_called_once() clear_pending.assert_called() task_app.send_task.assert_not_called() def test_bump_checkpoint_resume_failure_deletes_after_second_failure(self) -> None: redis_client = MagicMock() checkpoint = { "status": "in_progress", "last_successful_page": 9, "resume_failures": 1, "lane": "iaai_cars", } failures, deleted = tasks._bump_checkpoint_resume_failure( redis_client, checkpoint, reason="resume failed", ) self.assertEqual(failures, 2) self.assertTrue(deleted) redis_client.delete.assert_called_once_with(tasks.SYNC_LISTING_CHECKPOINT_KEY) def test_bump_checkpoint_resume_failure_persists_first_failure(self) -> None: redis_client = MagicMock() checkpoint = { "status": "in_progress", "last_successful_page": 9, "resume_failures": 0, "lane": "iaai_cars", } failures, deleted = tasks._bump_checkpoint_resume_failure( redis_client, checkpoint, reason="resume failed", ) self.assertEqual(failures, 1) self.assertFalse(deleted) redis_client.set.assert_called_once() def test_sync_listing_task_deletes_checkpoint_after_second_resume_failure(self) -> None: with patch.object(tasks, "_get_persistence") as get_persistence, \ patch.object(tasks, "_get_redis") as get_redis, \ patch.object(tasks, "_acquire_lock", return_value=True), \ patch.object(tasks, "_is_full_scan_done", return_value=False), \ patch.object(tasks, "_start_lock_heartbeat") as start_heartbeat, \ patch.object(tasks, "_release_lock_if_owner") as release_lock, \ patch.object(tasks, "_bump_checkpoint_resume_failure", return_value=(2, True)) as bump_failures, \ patch.object(tasks.sync_listing_task, "update_state"), \ patch.object(tasks.sync_listing_task, "retry", side_effect=tasks.sync_listing_task.MaxRetriesExceededError()), \ patch("iaai_scraper.worker.tasks.parse_listing_segments", return_value=[]): get_persistence.return_value = MagicMock() redis_client = MagicMock() redis_client.get.side_effect = lambda key: json.dumps({ "status": "in_progress", "last_successful_page": 9, "resume_failures": 1, "make": None, "model": None, "lane": "iaai_cars", }) if key == tasks.SYNC_LISTING_CHECKPOINT_KEY else None get_redis.return_value = redis_client stop_event = MagicMock() heartbeat_thread = MagicMock() start_heartbeat.return_value = (stop_event, heartbeat_thread) with patch.object(tasks, "IAAIScraper") as scraper_cls: scraper_ctx = MagicMock() scraper_ctx.__enter__.return_value.sync_listing = MagicMock(side_effect=RuntimeError("Failed to resume listing at page 10")) scraper_ctx.__exit__.return_value = None scraper_cls.return_value = scraper_ctx tasks.sync_listing_task.push_request(id="task-793") try: result = tasks.sync_listing_task.run() finally: tasks.sync_listing_task.pop_request() self.assertEqual(result["status"], "failed") bump_failures.assert_called_once() release_lock.assert_called_once() if __name__ == "__main__": unittest.main()