import os import tempfile import unittest from types import SimpleNamespace from unittest import mock os.environ.setdefault("QT_QPA_PLATFORM", "offscreen") from _helpers import REPO_ROOT # noqa: F401 from app import db, image_studio, image_studio_images, workers if workers.QT_IMPORT_ERROR is not None: raise unittest.SkipTest("PySide6 未安装") from PySide6.QtCore import QEventLoop, QTimer from PySide6.QtWidgets import QApplication from app.workers import BaseWorker, run_worker from app.gui.workers import ( ImageStudioDownloadOriginalWorker, ImageStudioPullImagesWorker, ProductSuiteGenerateWorker, ) class DemoWorker(BaseWorker): def execute(self): self.log.emit("开始") self.progress.emit({"done": 1, "total": 1}) self.row_updated.emit(7, {"status": "success"}) return {"ok": True, "done": 1} class CancelAwareWorker(BaseWorker): def execute(self): if self.should_cancel(): return {"done": 0} self.cancel() return {"done": 0} class FailingWorker(BaseWorker): def execute(self): raise RuntimeError("模拟失败") class WorkerTests(unittest.TestCase): @classmethod def setUpClass(cls): cls.app = QApplication.instance() or QApplication([]) def start_and_wait(self, thread, timeout_ms=2000): loop = QEventLoop() finished = [] def on_finished(): finished.append(True) loop.quit() timer = QTimer() timer.setSingleShot(True) timer.timeout.connect(loop.quit) thread.finished.connect(on_finished) timer.start(timeout_ms) thread.start() loop.exec() self.assertTrue(finished, "worker thread did not finish before timeout") def test_worker_emits_common_signals_and_finishes(self): worker = DemoWorker() logs = [] progress = [] rows = [] finished = [] worker.log.connect(logs.append) worker.progress.connect(lambda payload: progress.append(dict(payload))) worker.row_updated.connect(lambda task_id, fields: rows.append((task_id, dict(fields)))) worker.finished.connect(lambda payload: finished.append(dict(payload))) thread = run_worker(worker, start=False) self.start_and_wait(thread) self.assertEqual(["开始"], logs) self.assertEqual([{"done": 1, "total": 1}], progress) self.assertEqual([(7, {"status": "success"})], rows) self.assertEqual([{"ok": True, "done": 1}], finished) def test_cancel_flag_emits_cancelled_instead_of_finished(self): worker = CancelAwareWorker() cancelled = [] finished = [] worker.cancelled.connect(lambda payload: cancelled.append(dict(payload))) worker.finished.connect(lambda payload: finished.append(dict(payload))) thread = run_worker(worker, start=False) self.start_and_wait(thread) self.assertEqual([{"done": 0, "cancelled": True}], cancelled) self.assertEqual([], finished) def test_uncaught_exception_emits_failed_and_finished_summary(self): worker = FailingWorker() failed = [] finished = [] worker.failed.connect(lambda task_id, error: failed.append((task_id, error))) worker.finished.connect(lambda payload: finished.append(dict(payload))) thread = run_worker(worker, start=False) self.start_and_wait(thread) self.assertEqual([(-1, "模拟失败")], failed) self.assertEqual([{"ok": False, "error": "模拟失败"}], finished) def test_run_worker_rejects_plain_object(self): with self.assertRaises(TypeError): run_worker(object(), start=False) def test_image_studio_original_download_retries_twice_without_raw_error(self): worker = ImageStudioDownloadOriginalWorker( 12, max_retries=2, retry_delays=(0, 0), ) progress = [] logs = [] worker.progress.connect(lambda payload: progress.append(dict(payload))) worker.log.connect(logs.append) successful_asset = SimpleNamespace(id=12) with mock.patch( "app.gui.workers.image_studio_images.download_original_asset", side_effect=[RuntimeError("first"), RuntimeError("second"), successful_asset], ) as download: summary = worker.execute() self.assertEqual(3, download.call_count) self.assertIs(successful_asset, summary["asset"]) retries = [payload for payload in progress if payload.get("state") == "retry"] self.assertEqual( [ {"asset_id": 12, "state": "retry", "retry": 1, "max_retries": 2, "delay_seconds": 0.0}, {"asset_id": 12, "state": "retry", "retry": 2, "max_retries": 2, "delay_seconds": 0.0}, ], retries, ) self.assertTrue(any("重试 1/2" in message for message in logs)) self.assertTrue(any("重试 2/2" in message for message in logs)) self.assertFalse(any("first" in message or "second" in message for message in logs)) def test_image_studio_original_download_returns_chinese_final_failure(self): worker = ImageStudioDownloadOriginalWorker( 12, max_retries=2, retry_delays=(0, 0), ) with mock.patch( "app.gui.workers.image_studio_images.download_original_asset", side_effect=RuntimeError("https://example.invalid/private"), ) as download: summary = worker.execute() self.assertEqual(3, download.call_count) self.assertFalse(summary["ok"]) self.assertEqual("蝦皮原主图下载失败，请稍后再次点击图片重试。", summary["error"]) self.assertNotIn("https://", summary["error"]) def test_image_studio_pull_worker_returns_token_when_cancelled(self): worker = ImageStudioPullImagesWorker( "alias-a", "51100639510", pull_run_token="pull-token", ) worker.cancel() with mock.patch( "app.gui.workers.image_studio.pull_remote_main_image_urls", ) as pull: summary = worker.execute() pull.assert_not_called() self.assertTrue(summary["cancelled"]) self.assertEqual("pull-token", summary["pull_run_token"]) def test_image_studio_original_download_maps_safe_cancel(self): worker = ImageStudioDownloadOriginalWorker(12) with mock.patch( "app.gui.workers.image_studio_images.download_original_asset", side_effect=image_studio_images.ImageStudioImageCancelled("停止"), ): summary = worker.execute() self.assertEqual({"asset_id": 12, "cancelled": True}, summary) def test_product_suite_worker_writes_generation_round_and_stable_slots(self): with tempfile.TemporaryDirectory() as temp_dir: db_path = os.path.join(temp_dir, "cmshopee.db") db.init_db(db_path) project = image_studio.create_or_get_project( account_alias="alias-a", account_slug="alias-a", item_id="51100639510", path=db_path, ) source = image_studio.add_asset( project.id, image_studio.ASSET_KIND_ORIGINAL, path=db_path, ) worker = ProductSuiteGenerateWorker( project.id, [ { "source_asset_id": source.id, "job_type": "白底图", "prompt": "第一张", "generation_round_key": "worker-round", "generation_slot_index": 0, }, { "source_asset_id": source.id, "job_type": "场景图", "prompt": "第二张", "generation_round_key": "worker-round", "generation_slot_index": 1, }, ], generation_round_key="worker-round", db_path=db_path, ) with mock.patch( "app.gui.workers.image_studio_generation.run_jobs", return_value={"total": 2, "success": 0, "failed": 0, "cancelled": 0}, ): summary = worker.execute() jobs = [image_studio.get_job(job_id, path=db_path) for job_id in worker.job_ids] self.assertEqual("worker-round", summary["generation_round_key"]) self.assertEqual( [("worker-round", 0), ("worker-round", 1)], [ (job.generation_round_key, job.generation_slot_index) for job in jobs ], ) if __name__ == "__main__": unittest.main()