fix(sector-radar): 收紧可复现发布契约

zhixing-server/tests/unit/sector_radar/test_normalize.py

@@ -1,11 +1,20 @@
 from datetime import UTC, date, datetime
 from decimal import Decimal
 
-from zhixing_server.modules.sector_radar.domain.models import StockFactStatus
-from zhixing_server.modules.sector_radar.domain.normalize import normalize_stock_facts
+from zhixing_server.modules.sector_radar.domain.models import (
+    MembershipStatus,
+    SectorType,
+    StockFactStatus,
+)
+from zhixing_server.modules.sector_radar.domain.normalize import (
+    normalize_memberships,
+    normalize_stock_facts,
+)
 from zhixing_server.modules.sector_radar.domain.source import (
     DailyRow,
     MoneyflowDcRow,
+    SectorIndexRow,
+    SectorMemberRow,
     SourceResult,
     StockBasicRow,
     SuspendRow,
@@ -64,6 +73,69 @@ def moneyflow(ts_code: str, amount: Decimal | None) -> MoneyflowDcRow:
     )
 
 
+def test_membership_normalization_persists_an_explicit_unknown_sector() -> None:
+    indices = (
+        SectorIndexRow(
+            TARGET_DATE,
+            SectorType.CONCEPT,
+            "BK0001.DC",
+            "机器人",
+            "一级",
+            Decimal(1),
+            None,
+        ),
+        SectorIndexRow(
+            TARGET_DATE,
+            SectorType.CONCEPT,
+            "BK0002.DC",
+            "低空经济",
+            "一级",
+            Decimal(1),
+            None,
+        ),
+    )
+    member = SectorMemberRow(
+        TARGET_DATE,
+        "BK0001.DC",
+        "000001.SZ",
+        "平安银行",
+    )
+    all_snapshot = build_source_snapshot(
+        api_name="dc_member",
+        params={"trade_date": "20260828"},
+        rows=(
+            {
+                "trade_date": "20260828",
+                "ts_code": member.sector_code,
+                "con_code": member.stock_code,
+                "name": member.stock_name,
+            },
+        ),
+        target_trade_date=TARGET_DATE,
+        partition_key="all",
+        observed_at=OBSERVED_AT,
+    )
+    empty_partition = build_source_snapshot(
+        api_name="dc_member",
+        params={"trade_date": "20260828", "ts_code": "BK0002.DC"},
+        rows=(),
+        target_trade_date=TARGET_DATE,
+        partition_key="BK0002.DC",
+        observed_at=OBSERVED_AT,
+    )
+
+    records = normalize_memberships(
+        indices,
+        SourceResult((all_snapshot, empty_partition), (member,)),
+    )
+
+    assert records[0].status is MembershipStatus.AVAILABLE
+    assert records[0].stock_code == "000001.SZ"
+    assert records[1].status is MembershipStatus.UNKNOWN
+    assert records[1].stock_code is None
+    assert records[1].membership_key == "__membership_unknown__"
+
+
 def test_stock_fact_normalization_preserves_all_missing_and_zero_states() -> None:
     codes = tuple(f"00000{index}.SZ" for index in range(1, 9))
     basics = tuple(