fix(factor): window_start对11月月末产非法日期2026-00-01——月数学0-based化根治(1-based减法%12归零;11月每夜班日度批+12月月度班start全非法流入vnpy查询,12-01首炸);回归锚钉2025-12-01 [vps] [no-doc]

2026-10-11 10:00:23 +08:00
parent 9389d75d15
commit 20a3b891b9
2 changed files with 11 additions and 2 deletions
@@ -44,6 +44,15 @@ def test_window_start_twelve_months():
    assert window_start("2026-09-30", 12) == "2025-10-01"


+def test_window_start_december_month_math():
+    """11 月月末回归锚:1-based 月减法 %12 归零曾产 '2026-00-01'(月=00 非法)."""
+    from sanguo_factor.monthly_batch import window_start
+    assert window_start("2026-11-30") == "2025-12-01"   # 含 11 月共 12 个月
+    assert window_start("2026-12-31") == "2026-01-01"
+    assert window_start("2026-01-31") == "2025-02-01"
+    assert window_start("2026-09-30") == "2025-10-01"   # 既有正确值不变
+
+
 def test_plan_batch_excludes_dead_and_labels(registry):
    plan = plan_batch(registry, "2026-09-30")
    assert plan["factor_names"] == ["vol_ma5"]