fix(trading): cart count status=101 识别为空车，区分空车与获取失败

2026-08-17 01:42:08 +08:00
parent 48c6f2a28f
commit daa5555fd4
6 changed files with 279 additions and 4 deletions
@@ -1138,4 +1138,80 @@ async def test_dump_debug_snapshot_swallows_its_own_errors(tmp_path):
    assert list((tmp_path / "t1").glob("debug-*")) == []


+# ---- _query_cart_count：空车（status=101）与获取失败（其他 status）必须区分 ----
+#
+# 响应 body 均为 2026-08-16 真账号实测原样（scripts/probe_cart_count.py +
+# .probe/cart_count/）：空车是合法响应，当失败抛错会让 clear_cart 末尾校验拿 -1、
+# 开单前清理被 runner 误判为「未清空」。
+
+
+class _FakeCartCountRequest:
+    """APIRequestContext 替身：回固定 body，记录入参"""
+
+    def __init__(self, body: str):
+        self._body = body
+        self.calls: list[tuple[str, dict[str, str]]] = []
+
+    async def get(self, url: str, headers: dict[str, str] | None = None) -> Any:
+        self.calls.append((url, headers or {}))
+
+        class _Resp:
+            def __init__(self, text: str):
+                self._text = text
+
+            async def text(self) -> str:
+                return self._text
+
+        return _Resp(self._body)
+
+
+class _FakeCartCountContext:
+    def __init__(self, body: str):
+        self.request = _FakeCartCountRequest(body)
+
+
+def _build_cart_count_site(body: str) -> SiteInteractor:
+    site = SiteInteractor(auth_session=None, settings=None)  # type: ignore[arg-type]
+    site._context = _FakeCartCountContext(body)  # type: ignore[assignment]
+    return site
+
+
+async def test_query_cart_count_non_empty_returns_count():
+    site = _build_cart_count_site(
+        'callBack({"status":"100","message":"success.","count":"3"})'
+    )
+
+    raw_status, count = await site._query_cart_count()
+
+    assert (raw_status, count) == ("100", 3)
+
+
+async def test_query_cart_count_empty_cart_is_not_a_failure():
+    """status=101 + count="" 是空车（合法响应），返回 ("101", 0) 而不是抛错"""
+    site = _build_cart_count_site(
+        'callBack({"status":"101","message":"value not found.","count":""})'
+    )
+
+    raw_status, count = await site._query_cart_count()
+
+    assert (raw_status, count) == ("101", 0)
+
+
+async def test_query_cart_count_rejected_request_raises():
+    """status=300（referer/sid 被站点拒绝）才是「获取失败」"""
+    site = _build_cart_count_site(
+        'callBack({"status":"300","message":"referer is empty value.","count":""})'
+    )
+
+    with pytest.raises(CartOperationError):
+        await site._query_cart_count()
+
+
+async def test_query_cart_count_unparseable_body_raises():
+    site = _build_cart_count_site("<html>not jsonp</html>")
+
+    with pytest.raises(CartOperationError):
+        await site._query_cart_count()
+
+
 # ---- helper ----