mirror of
https://github.com/NanmiCoder/MediaCrawler.git
synced 2026-09-27 08:28:11 +08:00
程序员阿江(Relakkes)
1e1ae64cb4
快手对已删除/私密/不存在的视频，返回的 visionVideoDetail 里 photo/author 是
null——key 存在、值是 null。而 detail.get("photo", {}) 只在 key 缺失时给默认值，
key 存在且为 null 时拿到的仍是 None，紧接着的 photo.get(...) 抛 AttributeError。
该异常不在 get_video_info_task 的 except 列表里（只 catch DataFetchError /
KeyError），会穿过 asyncio.gather 直接把整轮爬取带崩。
- core.py: 用 (x or {}) 兜住 null；photo 为空时打 WARNING 并跳过该视频，
不再返回半残的 detail 让下游存空记录、再去下载媒体
- 新增 tests/test_kuaishou_unavailable_video.py（不发网络请求）
验证：photo=null / photo 缺失 / visionVideoDetail 缺失 均返回 None；
真实 cookie 端到端确认不可用视频被跳过、正常视频照常返回详情。
129 lines
3.8 KiB
Python
129 lines
3.8 KiB
Python
# -*- coding: utf-8 -*-
|
||
# Copyright (c) 2025 relakkes@gmail.com
|
||
#
|
||
# This file is part of MediaCrawler project.
|
||
# Repository: https://github.com/NanmiCoder/MediaCrawler/blob/main/tests/test_kuaishou_unavailable_video.py
|
||
# GitHub: https://github.com/NanmiCoder
|
||
# Licensed under NON-COMMERCIAL LEARNING LICENSE 1.1
|
||
#
|
||
|
||
"""快手详情接口遇到「不可用视频」时的回归测试。
|
||
|
||
回归背景：快手对已删除/私密/不存在的视频返回的是
|
||
``visionVideoDetail: {photo: null, author: null}`` —— key 存在、值是 null。
|
||
而 ``detail.get("photo", {})`` 只在 key **缺失** 时给默认值，key 存在且为 null
|
||
时拿到的仍是 ``None``，紧接着的 ``photo.get(...)`` 抛 AttributeError；
|
||
该异常不在 ``get_video_info_task`` 的 except 列表里，又会穿过
|
||
``asyncio.gather``，把整轮爬取直接带崩。
|
||
|
||
这里不发起网络请求，只用 stub client 驱动真实的任务函数。
|
||
"""
|
||
|
||
from __future__ import annotations
|
||
|
||
import asyncio
|
||
import random
|
||
import sys
|
||
from pathlib import Path
|
||
from types import SimpleNamespace
|
||
|
||
import pytest
|
||
|
||
sys.path.insert(0, str(Path(__file__).resolve().parent.parent))
|
||
|
||
import config # noqa: E402
|
||
from media_platform.kuaishou.core import KuaishouCrawler # noqa: E402
|
||
|
||
PHOTO_ID = "3x3zxz4mjrsc8ke"
|
||
UNAVAILABLE_PHOTO_ID = "3xf8enb8dbj6uig"
|
||
|
||
# 真实响应里 photo/author 为 null 的那个视频
|
||
UNAVAILABLE_DETAIL = {
|
||
"visionVideoDetail": {
|
||
"status": 1,
|
||
"type": "video",
|
||
"author": None,
|
||
"photo": None,
|
||
"tags": [],
|
||
}
|
||
}
|
||
|
||
NORMAL_DETAIL = {
|
||
"visionVideoDetail": {
|
||
"status": 1,
|
||
"type": "video",
|
||
"author": {"name": "余胜军说Java"},
|
||
"photo": {"id": PHOTO_ID, "caption": "我教你学Python", "likeCount": 167000},
|
||
"tags": [],
|
||
}
|
||
}
|
||
|
||
|
||
class _StubClient:
|
||
def __init__(self, payload):
|
||
self._payload = payload
|
||
|
||
async def get_video_info(self, photo_id): # noqa: ANN001
|
||
return self._payload
|
||
|
||
|
||
def _make_crawler(payload) -> SimpleNamespace:
|
||
"""只借 get_video_info_task 用到的 self.ks_client，不需要完整 crawler"""
|
||
return SimpleNamespace(ks_client=_StubClient(payload))
|
||
|
||
|
||
@pytest.fixture(autouse=True)
|
||
def _no_sleep(monkeypatch):
|
||
"""去掉任务里的固定延时与随机抖动，测试不应真的等待"""
|
||
monkeypatch.setattr(config, "CRAWLER_MAX_SLEEP_SEC", 0)
|
||
monkeypatch.setattr(random, "uniform", lambda a, b: 0)
|
||
|
||
|
||
@pytest.mark.asyncio
|
||
async def test_unavailable_video_is_skipped_instead_of_crashing():
|
||
"""photo 为 null 时返回 None（跳过），而不是抛 AttributeError"""
|
||
crawler = _make_crawler(UNAVAILABLE_DETAIL)
|
||
|
||
result = await KuaishouCrawler.get_video_info_task(
|
||
crawler, UNAVAILABLE_PHOTO_ID, asyncio.Semaphore(1)
|
||
)
|
||
|
||
assert result is None
|
||
|
||
|
||
@pytest.mark.asyncio
|
||
async def test_missing_photo_key_is_also_skipped():
|
||
"""photo 字段整个缺失时同样跳过（.get 的默认值路径）"""
|
||
crawler = _make_crawler({"visionVideoDetail": {"status": 1, "author": None}})
|
||
|
||
result = await KuaishouCrawler.get_video_info_task(
|
||
crawler, UNAVAILABLE_PHOTO_ID, asyncio.Semaphore(1)
|
||
)
|
||
|
||
assert result is None
|
||
|
||
|
||
@pytest.mark.asyncio
|
||
async def test_normal_video_still_returns_detail():
|
||
"""正常视频不受影响"""
|
||
crawler = _make_crawler(NORMAL_DETAIL)
|
||
|
||
result = await KuaishouCrawler.get_video_info_task(
|
||
crawler, PHOTO_ID, asyncio.Semaphore(1)
|
||
)
|
||
|
||
assert result is not None
|
||
assert result["photo"]["id"] == PHOTO_ID
|
||
|
||
|
||
@pytest.mark.asyncio
|
||
async def test_empty_vision_video_detail_returns_none():
|
||
"""visionVideoDetail 整体缺失时返回 None"""
|
||
crawler = _make_crawler({})
|
||
|
||
result = await KuaishouCrawler.get_video_info_task(
|
||
crawler, PHOTO_ID, asyncio.Semaphore(1)
|
||
)
|
||
|
||
assert result is None
|