114 lines
3.8 KiB
Python
114 lines
3.8 KiB
Python
import base64
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import unittest
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from types import SimpleNamespace
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from unittest.mock import Mock, patch
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from app.ports.image_gen import ImageResult, TaskStatus
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from app.tasks.memoir_tasks import build_cos_key, generate_chapter_images
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_ONE_BY_ONE_PNG = base64.b64decode(
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"iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mP8/x8AAwMCAO+aF9sAAAAASUVORK5CYII="
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)
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def _cover_image_record(img_dict):
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d = dict(img_dict or {})
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return SimpleNamespace(
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id="cover-img-1",
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order_index=d.get("index", 0),
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placeholder=d.get("placeholder"),
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description=d.get("description"),
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status=d.get("status"),
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prompt=d.get("prompt"),
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url=d.get("url"),
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storage_key=d.get("storage_key"),
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provider=d.get("provider"),
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style=d.get("style"),
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size=d.get("size"),
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error=d.get("error"),
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retryable=d.get("retryable"),
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created_at=d.get("created_at"),
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updated_at=d.get("updated_at"),
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)
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def _chapter_stub():
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rec = _cover_image_record(
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{
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"index": 0,
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"placeholder": "{{{{IMAGE:南方小镇的青石板路}}}}",
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"description": "南方小镇的青石板路",
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"status": "pending",
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"url": None,
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}
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)
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return SimpleNamespace(
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id="chapter-1",
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user_id="user-1",
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title="童年的夏天",
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category="childhood",
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canonical_markdown="# 标题\n\n那条路我一直记得。",
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sections=[],
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images=[rec],
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cover_image=None,
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)
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class GenerateChapterImagesPersistenceTest(unittest.TestCase):
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@patch("app.tasks.memoir_tasks.get_sync_db")
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@patch("app.tasks.memoir_tasks.TencentCosStorageService")
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@patch("app.tasks.memoir_tasks.get_image_generator")
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@patch("app.tasks.memoir_tasks.ImagePromptOrchestrator")
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@patch("app.tasks.memoir_tasks._release_chapter_image_lock")
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@patch("app.tasks.memoir_tasks._acquire_chapter_image_lock", return_value=True)
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def test_successful_generation_persists_completed_status(
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self,
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_acquire_lock_mock,
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_release_lock_mock,
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prompt_service_cls,
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get_image_generator_mock,
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storage_cls,
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get_sync_db_mock,
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):
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chapter = _chapter_stub()
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cover = chapter.images[0]
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db = Mock()
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db.execute.return_value.unique.return_value.scalar_one_or_none.return_value = (
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chapter
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)
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get_sync_db_mock.return_value.__enter__.return_value = db
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get_sync_db_mock.return_value.__exit__.return_value = False
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prompt_data = {
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"prompt": "A serene southern China town",
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"style": "watercolor",
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"size": "1024x1024",
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"prompt_context": "childhood: 童年的夏天",
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}
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prompt_service_cls.return_value.build_cover_prompt.return_value = prompt_data
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mock_gen = Mock()
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mock_gen.generate.return_value = ImageResult(
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status=TaskStatus.COMPLETED,
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task_id="",
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image_url="https://provider.example.com/1.png",
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)
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mock_gen.download_image.return_value = _ONE_BY_ONE_PNG
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get_image_generator_mock.return_value = mock_gen
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storage_cls.from_env.return_value.upload_bytes.return_value = (
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"https://cos.example.com/memoirs/user-1/chapter-1/cover.png"
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)
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generate_chapter_images.run("chapter-1")
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self.assertEqual(cover.status, "completed")
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self.assertEqual(
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cover.url,
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"https://cos.example.com/memoirs/user-1/chapter-1/cover.png",
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)
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self.assertEqual(cover.prompt, "A serene southern China town")
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self.assertEqual(
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cover.storage_key,
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build_cos_key("user-1", "chapter-1", "cover", prompt_data["prompt"]),
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)
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