fix(worker): P1 修复任务状态被过期对象覆盖回pending + 封面metadata属性名错误
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Bug1: asset_analyses 持久化时使用任务开头加载的 gen_task 内存对象
(status=pending) 整体 _repo.update(),把已被 _update_task_status 改为
running 的 DB status 覆盖回 pending,导致 mark_completed 报非法状态转换。
改为独立 session 查询最新模型,只更新 extra_meta 字段。

Bug2: 封面候选帧持久化使用 _cover_model.metadata(SQLAlchemy 声明基类
保留的 MetaData 对象),赋值无效;ORM 属性名应为 extra_meta(DB列名
为 metadata)。两处全部修正。

新增 5 个防回归单测覆盖两个 Bug。
This commit is contained in:
CI Bot
2026-08-23 18:56:13 +08:00
parent 392a20002c
commit 084c0494b7
2 changed files with 100 additions and 9 deletions
+23 -9
View File
@@ -1493,9 +1493,9 @@ def generate_video(self, task_id: str) -> dict:
)
if _cover_model:
_cover_model.cover_url = cover_frame_url
meta = dict(_cover_model.metadata or {})
meta = dict(_cover_model.extra_meta or {})
meta["cover_candidates"] = cover_candidates
_cover_model.metadata = meta
_cover_model.extra_meta = meta
_cover_session.commit()
finally:
_cover_session.close()
@@ -1680,10 +1680,24 @@ def generate_video(self, task_id: str) -> dict:
logger.info("[task_id=%s] MediaKit 视频理解完成: %d 个素材", task_id, len(asset_urls))
# 保存分析结果到 extra_meta
if asset_analyses and gen_task:
gen_task.extra_meta = {**(gen_task.extra_meta or {}), "asset_analyses": asset_analyses}
_repo.update(gen_task)
_flush_logs(task_id, gen_task)
if asset_analyses:
_meta_session = SessionLocal()
try:
from packages.adapters.sqlalchemy_impl.models import (
GenerationTaskModel,
)
_m = _meta_session.query(GenerationTaskModel).filter(
GenerationTaskModel.id == task_id
).first()
if _m:
existing = dict(_m.extra_meta or {})
existing["asset_analyses"] = asset_analyses
_m.extra_meta = existing
_meta_session.commit()
finally:
_meta_session.close()
if gen_task:
_flush_logs(task_id, gen_task)
except Exception:
logger.warning("[task_id=%s] MediaKit 视频理解失败,继续渲染", task_id, exc_info=True)
@@ -1777,10 +1791,10 @@ def generate_video(self, task_id: str) -> dict:
)
if _cover_model:
_cover_model.cover_url = cover_frame_url
# 持久化完整候选列表到 metadata
meta = dict(_cover_model.metadata or {})
# 持久化完整候选列表到 extra_meta
meta = dict(_cover_model.extra_meta or {})
meta["cover_candidates"] = cover_candidates
_cover_model.metadata = meta
_cover_model.extra_meta = meta
_cover_session.commit()
logger.info(
"[task_id=%s] 封面帧已持久化(ffmpeg本地抽帧): cover_url=%s candidates=%d",
@@ -0,0 +1,77 @@
"""防回归测试:P1 修复
- Bug 1: gen_task 过期内存对象 _repo.update() 覆盖 DB status 为 pending
- Bug 2: 封面模型误用 .metadata(SQLAlchemy 保留属性),应为 .extra_meta
"""
import ast
from pathlib import Path
import pytest
GENERATION_FILE = (
Path(__file__).resolve().parents[2]
/ "apps"
/ "worker"
/ "worker_app"
/ "tasks"
/ "generation.py"
)
def _read_source() -> str:
return GENERATION_FILE.read_text(encoding="utf-8")
class TestCoverModelUsesExtraMeta:
"""封面持久化必须使用 ORM 属性 extra_meta,而不是 SQLAlchemy 保留的 .metadata。"""
def test_no_metadata_attribute_access_on_cover_model(self):
source = _read_source()
# 禁止对 _cover_model.metadata 进行读或写
assert "_cover_model.metadata" not in source, (
"_cover_model.metadata is the SQLAlchemy reserved MetaData object, "
"not the JSON column. Use _cover_model.extra_meta instead."
)
def test_extra_meta_used_for_cover_candidates(self):
source = _read_source()
assert "_cover_model.extra_meta" in source
assert 'meta["cover_candidates"]' in source
class TestAssetAnalysesDoesNotOverwriteStatus:
"""保存 asset_analyses 时不能用过期的 gen_task 内存对象整体 _repo.update,
否则会把已被 _update_task_status 改为 running 的 status 覆盖回 pending。"""
def test_no_stale_repo_update_with_gen_task(self):
source = _read_source()
# 旧代码:gen_task.extra_meta = {...}; _repo.update(gen_task)
# 这行会把内存中的 pending status 写回 DB
assert "_repo.update(gen_task)" not in source, (
"_repo.update(gen_task) writes a stale in-memory object back to DB, "
"overwriting status set by _update_task_status. "
"Use an independent session to update only extra_meta."
)
def test_asset_analyses_uses_independent_session(self):
"""asset_analyses 持久化必须用独立 session 查询最新模型再提交。"""
source = _read_source()
assert "_meta_session" in source
assert "GenerationTaskModel" in source
# 必须只更新 extra_meta 字段
assert 'existing["asset_analyses"]' in source
class TestGenerationTaskModelOrmAttribute:
"""确认 ORM 属性映射:Python 属性 extra_meta -> DB 列 metadata。"""
def test_orm_attribute_is_extra_meta(self):
from packages.adapters.sqlalchemy_impl.models import GenerationTaskModel
# ORM 属性必须存在
assert hasattr(GenerationTaskModel, "extra_meta")
# .metadata 是 SQLAlchemy 声明基类保留的 MetaData,不是列描述符
# 它不应该是我们的 JSON 字段
from sqlalchemy import MetaData
assert isinstance(GenerationTaskModel.metadata, MetaData)