chore: Test to block backdated reco causing future scarcity
diff --git a/erpnext/stock/doctype/stock_reconciliation/test_stock_reconciliation.py b/erpnext/stock/doctype/stock_reconciliation/test_stock_reconciliation.py
index f7b2432..7b98c7b 100644
--- a/erpnext/stock/doctype/stock_reconciliation/test_stock_reconciliation.py
+++ b/erpnext/stock/doctype/stock_reconciliation/test_stock_reconciliation.py
@@ -273,6 +273,49 @@
pr2.cancel()
pr1.cancel()
+ def test_backdated_stock_reco_future_negative_stock(self):
+ """
+ Test if a backdated stock reco causes future negative stock and is blocked.
+ -------------------------------------------
+ Var | Doc | Qty | Balance
+ -------------------------------------------
+ PR1 | PR | 10 | 10 (posting date: today-2)
+ SR3 | Reco | 0 | 1 (posting date: today-1) [backdated & blocked]
+ DN2 | DN | -2 | 8(-1) (posting date: today)
+ """
+ from erpnext.stock.stock_ledger import NegativeStockError
+ from erpnext.stock.doctype.delivery_note.test_delivery_note import create_delivery_note
+
+ item_code = "Backdated-Reco-Item"
+ warehouse = "_Test Warehouse - _TC"
+ create_item(item_code)
+
+ negative_stock_setting = frappe.db.get_single_value("Stock Settings", "allow_negative_stock")
+ frappe.db.set_value("Stock Settings", None, "allow_negative_stock", 0)
+
+ pr1 = make_purchase_receipt(item_code=item_code, warehouse=warehouse, qty=10, rate=100,
+ posting_date=add_days(nowdate(), -2))
+ dn2 = create_delivery_note(item_code=item_code, warehouse=warehouse, qty=2, rate=120,
+ posting_date=nowdate())
+
+ pr1_balance = frappe.db.get_value("Stock Ledger Entry", {"voucher_no": pr1.name, "is_cancelled": 0},
+ "qty_after_transaction")
+ dn2_balance = frappe.db.get_value("Stock Ledger Entry", {"voucher_no": dn2.name, "is_cancelled": 0},
+ "qty_after_transaction")
+ self.assertEqual(pr1_balance, 10)
+ self.assertEqual(dn2_balance, 8)
+
+ # check if stock reco is blocked
+ sr3 = create_stock_reconciliation(item_code=item_code, warehouse=warehouse, qty=1, rate=100,
+ posting_date=add_days(nowdate(), -1), do_not_submit=True)
+ self.assertRaises(NegativeStockError, sr3.submit)
+
+ # teardown
+ frappe.db.set_value("Stock Settings", None, "allow_negative_stock", negative_stock_setting)
+ sr3.cancel()
+ dn2.cancel()
+ pr1.cancel()
+
def insert_existing_sle(warehouse):
from erpnext.stock.doctype.stock_entry.test_stock_entry import make_stock_entry