feat(trading): 下单流程每步证据带整页截图(html + png + meta 三件套)
- site_interact 新增 PageSnapshot{html, screenshot} 证据载体:
add_to_cart 截商品页、verify_cart 截 cart 页、enter_checkout 截落地
确认页、pay 截付款检查后的完成页;截图全部 best-effort,失败记
warning 留空,不掩盖动作结果
- submit_order 改返回 SubmitOutcome{site_order_id, evidence}:完成页
HTML+截图首次随 step 4 落盘(此前只有 meta)
- fetch_order_detail 详情页截图挂在 OrderStatusSnapshot.screenshot,
监控步骤 write_step 带 png;只读查询通道按字段挑出,不受影响
- runner._run_step 认 PageSnapshot(旧 str 契约保留兼容),step 0/3/4
显式传 png
- 测试:桩同步新契约;新增每步三件套齐全的全流程断言;clear_cart
场景单测补截图断言
- 真账号复验 verify_cart_clear.py:两场景截图均合法 PNG,落盘
.probe/cart_clear/ 并目检为空车页渲染
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@@ -1,10 +1,13 @@
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"""真账号验证:clear_cart 两个场景——空车返回成功 / 有商品正确清除
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场景 1(空车):clear_cart 应 removed_count=0、cart_count=0(status=101 是合法
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空车,不是获取失败),并带回清理后的页面 HTML(runner step 0 落证据用)。
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空车,不是获取失败),并带回清理后的页面 HTML 与整页截图(runner step 0 落
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证据用)。
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场景 2(有商品):先加购 1 件商品,clear_cart 应 removed_count>=1、cart_count=0,
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末尾再用 cart_status 独立复核确实是空车。
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两个场景的截图会写到 .probe/cart_clear/ 供人工查看。
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前置:登录态有效(.auth/ 下有 storage_state);浏览器必须非无头(站点风控要求,
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会弹出真实浏览器窗口)。商品 URL 与其他探针(probe_new_card 等)一致。
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@@ -25,6 +28,13 @@ from app.trading.worker.site_interact import SiteInteractor # noqa: E402
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ITEM_URL = "https://item.rakuten.co.jp/moccasin/ds001iwrgesaaa2/"
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PROBE_DIR = Path(__file__).resolve().parent.parent / ".probe" / "cart_clear"
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_PNG_MAGIC = b"\x89PNG\r\n\x1a\n"
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def _check_png(data: bytes, label: str) -> None:
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assert data[:8] == _PNG_MAGIC, f"{label} 截图不是 PNG({len(data)}B)"
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async def run() -> int:
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settings = get_settings()
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@@ -32,6 +42,7 @@ async def run() -> int:
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await auth.start()
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site = SiteInteractor(auth_session=auth, settings=settings)
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await site.start()
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PROBE_DIR.mkdir(parents=True, exist_ok=True)
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try:
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# 前置:先清一次,保证从空车起步(顺便清掉上次验证可能残留的商品)
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pre = await site.clear_cart()
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@@ -42,27 +53,34 @@ async def run() -> int:
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empty = await site.clear_cart()
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print(
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f"场景1 空车 -> removed={empty['removed_count']} "
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f"cart_count={empty['cart_count']} html={len(empty['html'])}B"
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f"cart_count={empty['cart_count']} html={len(empty['html'])}B "
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f"png={len(empty['screenshot'])}B"
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)
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assert empty["removed_count"] == 0, f"空车不应有点击,实际 {empty['removed_count']}"
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assert empty["cart_count"] == 0, f"空车 cart_count 应为 0,实际 {empty['cart_count']}"
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assert empty["html"], "空车也应带回页面 HTML(runner 落证据用)"
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_check_png(empty["screenshot"], "场景1 空车")
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(PROBE_DIR / "scenario1-empty.png").write_bytes(empty["screenshot"])
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# 场景 2:有商品 —— 先加购 1 件,再清,应真删掉
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added = await site.add_to_cart_payload(item_url=ITEM_URL, quantity=1)
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print(f"加购 -> item_id={added['item_id']} cart_count={added['cart_count']}")
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assert added["cart_count"] >= 1, "加购后购物车应有商品"
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_check_png(added["screenshot"], "加购后商品页")
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cleared = await site.clear_cart()
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print(
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f"场景2 有商品 -> removed={cleared['removed_count']} "
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f"cart_count={cleared['cart_count']} html={len(cleared['html'])}B"
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f"cart_count={cleared['cart_count']} html={len(cleared['html'])}B "
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f"png={len(cleared['screenshot'])}B"
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)
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assert cleared["removed_count"] >= 1, (
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f"有商品时至少点 1 次「削除」,实际 {cleared['removed_count']}"
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)
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assert cleared["cart_count"] == 0, f"清理后应为空车,实际 {cleared['cart_count']}"
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assert cleared["html"], "清理后应带回页面 HTML"
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_check_png(cleared["screenshot"], "场景2 清理后")
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(PROBE_DIR / "scenario2-cleared.png").write_bytes(cleared["screenshot"])
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# 复核:独立的 status 查询确认确实是空车(不只信 clear 末尾的一次校验)
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status = await site.cart_status()
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@@ -71,7 +89,7 @@ async def run() -> int:
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f"复核应为空车(count=0, raw_status=101),实际 {status}"
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)
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print("\n验证通过:空车正确返回成功;有商品时正确清除并复核为空车")
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print(f"\n验证通过:空车正确返回成功;有商品时正确清除并复核为空车。截图见 {PROBE_DIR}")
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return 0
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finally:
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await site.close()
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