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feat: 封面管理 - 配置读写 + 片段抽帧 + 智能选帧 (#396)
560 lines
20 KiB
Python
560 lines
20 KiB
Python
"""
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封面管理 API 单元测试
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覆盖:
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- GET /{plan_id}/cover - 获取封面配置
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- PUT /{plan_id}/cover - 更新封面配置
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- POST /{plan_id}/cover/extract - 从片段抽帧
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- POST /{plan_id}/cover/smart - 智能选帧
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"""
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from __future__ import annotations
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import os
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import sys
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from datetime import datetime
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from pathlib import Path
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from typing import Optional
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from unittest.mock import MagicMock, patch
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os.environ.setdefault("JWT_SECRET_KEY", "unit-test-secret-key-for-testing")
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os.environ.setdefault("DATABASE_URL", "sqlite:///test.db")
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import pytest
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sys.path.insert(0, str(Path(__file__).resolve().parents[2] / "apps" / "api"))
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from fastapi import FastAPI
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from fastapi.testclient import TestClient
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from packages.domain.config_schemas import normalize_plan_config
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from packages.domain.edit_plan import EditPlan, EditPlanStatus
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from packages.domain.edit_plan_clip import EditPlanClip, EditPlanClipStatus
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# ---------------------------------------------------------------------------
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# Stub Repository
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# ---------------------------------------------------------------------------
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class StubEditPlanRepository:
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def __init__(self, plans: dict[str, EditPlan] | None = None):
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self._plans = plans or {}
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self._counter = 100
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def _next_id(self) -> str:
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self._counter += 1
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return f"plan-{self._counter:03d}"
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def list_all(self, *, status=None, skip=0, limit=50):
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items = list(self._plans.values())
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if status is not None:
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items = [p for p in items if p.status == status]
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items.sort(key=lambda p: p.created_at, reverse=True)
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return items[skip : skip + limit]
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def list_by_template(self, template_id, *, status=None, skip=0, limit=50):
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items = [p for p in self._plans.values() if p.template_id == template_id]
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if status is not None:
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items = [p for p in items if p.status == status]
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items.sort(key=lambda p: p.created_at, reverse=True)
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return items[skip : skip + limit]
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def get(self, plan_id: str) -> Optional[EditPlan]:
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return self._plans.get(plan_id)
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def create(self, plan: EditPlan) -> EditPlan:
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if not plan.id:
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plan.id = self._next_id()
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self._plans[plan.id] = plan
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return plan
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def update(self, plan: EditPlan) -> EditPlan:
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self._plans[plan.id] = plan
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return plan
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def delete(self, plan_id: str) -> bool:
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if plan_id in self._plans:
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del self._plans[plan_id]
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return True
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return False
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def count(self, *, status=None, template_id=None):
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items = list(self._plans.values())
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if status is not None:
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items = [p for p in items if p.status == status]
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if template_id is not None:
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items = [p for p in items if p.template_id == template_id]
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return len(items)
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class StubEditPlanClipRepository:
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def __init__(self, clips: dict[str, EditPlanClip] | None = None):
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self._clips = clips or {}
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self._counter = 200
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def _next_id(self) -> str:
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self._counter += 1
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return f"clip-{self._counter:03d}"
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def list_by_plan(self, plan_id, *, status=None, skip=0, limit=100):
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items = [c for c in self._clips.values() if c.plan_id == plan_id]
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if status is not None:
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items = [c for c in items if c.status == status]
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items.sort(key=lambda c: c.order)
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return items[skip : skip + limit]
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def count(self, plan_id, *, status=None):
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items = [c for c in self._clips.values() if c.plan_id == plan_id]
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if status is not None:
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items = [c for c in items if c.status == status]
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return len(items)
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def get(self, clip_id: str) -> Optional[EditPlanClip]:
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return self._clips.get(clip_id)
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def create(self, clip: EditPlanClip) -> EditPlanClip:
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if not clip.id:
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clip.id = self._next_id()
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self._clips[clip.id] = clip
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return clip
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def update(self, clip: EditPlanClip) -> EditPlanClip:
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self._clips[clip.id] = clip
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return clip
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def delete(self, clip_id: str) -> bool:
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if clip_id in self._clips:
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del self._clips[clip_id]
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return True
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return False
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def delete_by_plan(self, plan_id: str) -> int:
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to_delete = [cid for cid, c in self._clips.items() if c.plan_id == plan_id]
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for cid in to_delete:
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del self._clips[cid]
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return len(to_delete)
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class StubAssetRepository:
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def __init__(self, assets: dict | None = None):
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self._assets = assets or {}
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def get(self, asset_id: str):
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return self._assets.get(asset_id)
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class StubStorageService:
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def __init__(self):
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self.uploaded = {}
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self.downloaded = {}
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def upload_file(self, file_or_path, storage_key, content_type="application/octet-stream"):
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self.uploaded[storage_key] = file_or_path
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return f"https://oss.example.com/{storage_key}"
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def get_url(self, storage_key: str) -> str:
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return f"https://oss.example.com/{storage_key}"
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def download_file(self, storage_key: str, local_path: str):
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self.downloaded[storage_key] = local_path
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# 创建一个假文件(空文件也可以,因为抽帧会被 mock 掉)
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Path(local_path).parent.mkdir(parents=True, exist_ok=True)
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with open(local_path, "wb") as f:
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f.write(b"fake video data for testing")
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# ---------------------------------------------------------------------------
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# Test Fixtures
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# ---------------------------------------------------------------------------
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def _make_sample_plan(plan_id="plan-001", config=None):
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if config is None:
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config = normalize_plan_config({})
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return EditPlan(
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id=plan_id,
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template_id="tpl-001",
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name="测试计划",
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status=EditPlanStatus.EDITING,
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total_duration=30.0,
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config=config,
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project_id="",
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created_by_user_id="user-001",
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created_at=datetime(2026, 7, 16, 10, 0, 0),
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updated_at=datetime(2026, 7, 16, 10, 0, 0),
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)
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def _make_sample_clip(clip_id="clip-001", plan_id="plan-001", asset_id="asset-001", clip_type="video"):
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return EditPlanClip(
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id=clip_id,
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plan_id=plan_id,
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clip_type=clip_type,
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order=0,
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asset_id=asset_id,
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text_content="",
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start_time=0.0,
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duration=10.0,
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transition_effect="none",
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transition_duration=0.0,
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playback_speed=1.0,
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status=EditPlanClipStatus.READY,
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config={},
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created_at=datetime(2026, 7, 16, 10, 0, 0),
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updated_at=datetime(2026, 7, 16, 10, 0, 0),
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)
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def _create_test_app():
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import app.api.routes.edit_plans_cover as cover_module
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import app.services.edit_plan_service as service_module
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from app.api.routes.edit_plans import router
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# 创建 stub
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plan = _make_sample_plan()
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clip = _make_sample_clip()
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stub_plan_repo = StubEditPlanRepository({plan.id: plan})
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stub_clip_repo = StubEditPlanClipRepository({clip.id: clip})
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# 替换服务模块中的 Repository 类
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original_plan_repo = service_module.SQLAlchemyEditPlanRepository
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original_clip_repo = service_module.SQLAlchemyEditPlanClipRepository
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original_gen_repo = service_module.SQLAlchemyGenerationTaskRepository
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service_module.SQLAlchemyEditPlanRepository = lambda db: stub_plan_repo
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service_module.SQLAlchemyEditPlanClipRepository = lambda db: stub_clip_repo
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service_module.SQLAlchemyGenerationTaskRepository = lambda db: MagicMock()
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app = FastAPI()
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app.include_router(router, prefix="/api/v1/edit-plans")
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# Mock 认证
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def _mock_auth():
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mock = MagicMock()
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mock.user.id = "user-001"
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return mock
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# Mock 项目访问检查
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import app.api.routes._helpers as helpers_module
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original_check = helpers_module.check_project_access
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helpers_module.check_project_access = lambda *a, **kw: None
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# 覆盖依赖
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app.dependency_overrides[cover_module.get_current_user] = _mock_auth
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app.dependency_overrides[cover_module.get_db_session] = lambda: MagicMock()
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app.dependency_overrides[cover_module.get_project_repository] = lambda: MagicMock()
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# Mock storage 和 asset repo
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stub_storage = StubStorageService()
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stub_asset_repo = StubAssetRepository(
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{
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"asset-001": MagicMock(
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storage_key="videos/test.mp4",
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mime_type="video/mp4",
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),
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"asset-img": MagicMock(
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storage_key="images/test.jpg",
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mime_type="image/jpeg",
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),
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}
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)
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app.dependency_overrides[cover_module.get_storage_service] = lambda: stub_storage
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app.dependency_overrides[cover_module.get_asset_repository] = lambda: stub_asset_repo
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# 也需要覆盖 edit_plans 主模块的 auth(用于其他路由)
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from app.api.routes import edit_plans as main_module
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app.dependency_overrides[main_module.get_current_user] = _mock_auth
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app.dependency_overrides[main_module.get_db_session] = lambda: MagicMock()
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app.dependency_overrides[main_module.get_project_repository] = lambda: MagicMock()
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def cleanup():
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service_module.SQLAlchemyEditPlanRepository = original_plan_repo
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service_module.SQLAlchemyEditPlanClipRepository = original_clip_repo
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service_module.SQLAlchemyGenerationTaskRepository = original_gen_repo
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helpers_module.check_project_access = original_check
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return app, stub_plan_repo, stub_clip_repo, stub_storage, cleanup
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@pytest.fixture
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def cover_client():
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app, plan_repo, clip_repo, storage, cleanup = _create_test_app()
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yield TestClient(app), plan_repo, clip_repo, storage
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cleanup()
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# ---------------------------------------------------------------------------
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# GET /{plan_id}/cover 测试
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# ---------------------------------------------------------------------------
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class TestGetCover:
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def test_get_default_cover(self, cover_client):
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c, _, _, _ = cover_client
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resp = c.get("/api/v1/edit-plans/plan-001/cover")
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assert resp.status_code == 200
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data = resp.json()
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assert data["type"] == "ai_frame"
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assert data["image_url"] == ""
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assert data["frame_time"] is None
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def test_get_cover_not_found(self, cover_client):
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c, _, _, _ = cover_client
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resp = c.get("/api/v1/edit-plans/plan-nonexist/cover")
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assert resp.status_code == 404
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def test_get_cover_with_custom_config(self, cover_client):
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c, plan_repo, _, _ = cover_client
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# 更新 plan 的 cover 配置
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plan = plan_repo.get("plan-001")
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new_config = dict(plan.config)
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new_config["cover"] = {"type": "manual", "image_url": "https://example.com/cover.jpg", "frame_time": 5.5}
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plan.config = new_config
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plan_repo.update(plan)
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resp = c.get("/api/v1/edit-plans/plan-001/cover")
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assert resp.status_code == 200
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data = resp.json()
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assert data["type"] == "manual"
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assert data["image_url"] == "https://example.com/cover.jpg"
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assert data["frame_time"] == 5.5
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# ---------------------------------------------------------------------------
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# PUT /{plan_id}/cover 测试
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# ---------------------------------------------------------------------------
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class TestUpdateCover:
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def test_update_cover_type_and_url(self, cover_client):
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c, plan_repo, _, _ = cover_client
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resp = c.put(
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"/api/v1/edit-plans/plan-001/cover",
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json={"type": "upload", "image_url": "https://example.com/uploaded.jpg"},
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)
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assert resp.status_code == 200
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data = resp.json()
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assert data["type"] == "upload"
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assert data["image_url"] == "https://example.com/uploaded.jpg"
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# 验证存储
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plan = plan_repo.get("plan-001")
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assert plan.config["cover"]["type"] == "upload"
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assert plan.config["cover"]["image_url"] == "https://example.com/uploaded.jpg"
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def test_update_cover_frame_time(self, cover_client):
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c, plan_repo, _, _ = cover_client
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resp = c.put(
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"/api/v1/edit-plans/plan-001/cover",
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json={"type": "manual", "frame_time": 3.14},
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)
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assert resp.status_code == 200
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data = resp.json()
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assert data["type"] == "manual"
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assert data["frame_time"] == 3.14
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plan = plan_repo.get("plan-001")
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assert plan.config["cover"]["frame_time"] == 3.14
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def test_update_cover_invalid_type(self, cover_client):
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c, _, _, _ = cover_client
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resp = c.put(
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"/api/v1/edit-plans/plan-001/cover",
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json={"type": "invalid_type"},
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)
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assert resp.status_code == 400
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def test_update_cover_not_found(self, cover_client):
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c, _, _, _ = cover_client
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resp = c.put(
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"/api/v1/edit-plans/plan-nonexist/cover",
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json={"type": "upload", "image_url": "test.jpg"},
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)
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assert resp.status_code == 404
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def test_update_cover_partial(self, cover_client):
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"""只更新 image_url,type 保持不变"""
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c, plan_repo, _, _ = cover_client
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# 先设置一个类型
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c.put("/api/v1/edit-plans/plan-001/cover", json={"type": "manual", "frame_time": 2.0})
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# 只更新 image_url
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resp = c.put(
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"/api/v1/edit-plans/plan-001/cover",
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json={"image_url": "https://example.com/new.jpg"},
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)
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assert resp.status_code == 200
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data = resp.json()
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assert data["type"] == "manual" # 保持不变
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assert data["image_url"] == "https://example.com/new.jpg"
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assert data["frame_time"] == 2.0 # 保持不变
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# ---------------------------------------------------------------------------
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# POST /{plan_id}/cover/extract 测试
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# ---------------------------------------------------------------------------
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class TestExtractCover:
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def test_extract_success(self, cover_client):
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c, plan_repo, _, _ = cover_client
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with patch("app.services.cover_service.CoverService._extract_frame") as mock_extract:
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# mock ffmpeg 抽帧,直接创建输出文件
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def fake_extract(video_path, output_path, **kwargs):
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output_path.parent.mkdir(parents=True, exist_ok=True)
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output_path.write_bytes(b"fake jpeg data")
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mock_extract.side_effect = fake_extract
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resp = c.post(
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"/api/v1/edit-plans/plan-001/cover/extract",
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json={"clip_id": "clip-001", "frame_time": 2.5},
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)
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assert resp.status_code == 200
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data = resp.json()
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assert data["type"] == "manual"
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assert data["frame_time"] == 2.5
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assert data["image_url"].startswith("https://oss.example.com/covers/")
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# 验证 plan.config 已更新
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plan = plan_repo.get("plan-001")
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assert plan.config["cover"]["type"] == "manual"
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assert plan.config["cover"]["frame_time"] == 2.5
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def test_extract_clip_not_found(self, cover_client):
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c, _, _, _ = cover_client
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resp = c.post(
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"/api/v1/edit-plans/plan-001/cover/extract",
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json={"clip_id": "clip-nonexist", "frame_time": 1.0},
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)
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assert resp.status_code == 404
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def test_extract_plan_not_found(self, cover_client):
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c, _, _, _ = cover_client
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resp = c.post(
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"/api/v1/edit-plans/plan-nonexist/cover/extract",
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json={"clip_id": "clip-001", "frame_time": 1.0},
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)
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assert resp.status_code == 404
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def test_extract_clip_no_asset(self, cover_client):
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c, _, clip_repo, _ = cover_client
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# 创建一个没有 asset 的片段
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empty_clip = _make_sample_clip(clip_id="clip-empty", asset_id="")
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clip_repo.create(empty_clip)
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resp = c.post(
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"/api/v1/edit-plans/plan-001/cover/extract",
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json={"clip_id": "clip-empty", "frame_time": 1.0},
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)
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assert resp.status_code == 400
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assert "没有关联素材" in resp.json()["detail"]
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def test_extract_clip_not_in_plan(self, cover_client):
|
||
c, _, clip_repo, _ = cover_client
|
||
# 创建属于另一个 plan 的片段
|
||
other_clip = _make_sample_clip(clip_id="clip-other", plan_id="plan-other")
|
||
clip_repo.create(other_clip)
|
||
|
||
resp = c.post(
|
||
"/api/v1/edit-plans/plan-001/cover/extract",
|
||
json={"clip_id": "clip-other", "frame_time": 1.0},
|
||
)
|
||
assert resp.status_code == 400
|
||
assert "不属于该剪辑计划" in resp.json()["detail"]
|
||
|
||
def test_extract_negative_frame_time(self, cover_client):
|
||
c, _, _, _ = cover_client
|
||
resp = c.post(
|
||
"/api/v1/edit-plans/plan-001/cover/extract",
|
||
json={"clip_id": "clip-001", "frame_time": -1.0},
|
||
)
|
||
assert resp.status_code == 422 # pydantic 校验失败
|
||
|
||
|
||
# ---------------------------------------------------------------------------
|
||
# POST /{plan_id}/cover/smart 测试
|
||
# ---------------------------------------------------------------------------
|
||
|
||
|
||
class TestSmartCover:
|
||
def test_smart_cover_with_clip_id(self, cover_client):
|
||
c, plan_repo, _, _ = cover_client
|
||
with patch("app.services.cover_service.CoverService._extract_frame") as mock_extract:
|
||
|
||
def fake_extract(video_path, output_path, **kwargs):
|
||
output_path.parent.mkdir(parents=True, exist_ok=True)
|
||
output_path.write_bytes(b"fake jpeg data")
|
||
|
||
mock_extract.side_effect = fake_extract
|
||
|
||
resp = c.post(
|
||
"/api/v1/edit-plans/plan-001/cover/smart",
|
||
json={"clip_id": "clip-001"},
|
||
)
|
||
|
||
assert resp.status_code == 200
|
||
data = resp.json()
|
||
assert data["type"] == "ai_frame"
|
||
assert data["image_url"].startswith("https://oss.example.com/covers/")
|
||
|
||
plan = plan_repo.get("plan-001")
|
||
assert plan.config["cover"]["type"] == "ai_frame"
|
||
|
||
def test_smart_cover_auto_pick_first_video(self, cover_client):
|
||
c, plan_repo, clip_repo, _ = cover_client
|
||
# 添加多个片段,第一个视频应该被选中
|
||
clip2 = _make_sample_clip(clip_id="clip-002", clip_type="audio", asset_id="asset-audio")
|
||
clip2.order = 1
|
||
clip_repo.create(clip2)
|
||
|
||
with patch("app.services.cover_service.CoverService._extract_frame") as mock_extract:
|
||
|
||
def fake_extract(video_path, output_path, **kwargs):
|
||
output_path.parent.mkdir(parents=True, exist_ok=True)
|
||
output_path.write_bytes(b"fake jpeg data")
|
||
|
||
mock_extract.side_effect = fake_extract
|
||
|
||
resp = c.post(
|
||
"/api/v1/edit-plans/plan-001/cover/smart",
|
||
json={},
|
||
)
|
||
|
||
assert resp.status_code == 200
|
||
data = resp.json()
|
||
assert data["type"] == "ai_frame"
|
||
|
||
def test_smart_cover_clip_not_found(self, cover_client):
|
||
c, _, _, _ = cover_client
|
||
resp = c.post(
|
||
"/api/v1/edit-plans/plan-001/cover/smart",
|
||
json={"clip_id": "clip-nonexist"},
|
||
)
|
||
assert resp.status_code == 404
|
||
|
||
def test_smart_cover_no_video_clips(self, cover_client):
|
||
c, _, clip_repo, _ = cover_client
|
||
# 删除原有片段,添加纯音频片段
|
||
clip_repo.delete("clip-001")
|
||
audio_clip = _make_sample_clip(clip_id="clip-audio", clip_type="audio", asset_id="asset-001")
|
||
clip_repo.create(audio_clip)
|
||
|
||
resp = c.post(
|
||
"/api/v1/edit-plans/plan-001/cover/smart",
|
||
json={},
|
||
)
|
||
assert resp.status_code == 400
|
||
assert "没有找到可用的视频片段" in resp.json()["detail"]
|
||
|
||
def test_smart_cover_plan_not_found(self, cover_client):
|
||
c, _, _, _ = cover_client
|
||
resp = c.post(
|
||
"/api/v1/edit-plans/plan-nonexist/cover/smart",
|
||
json={},
|
||
)
|
||
assert resp.status_code == 404
|