test: dependent GL entry reposting

erpnext/stock/doctype/stock_ledger_entry/test_stock_ledger_entry.py

@@ -2,7 +2,7 @@
 # See license.txt
 
 import json
-from operator import itemgetter
+from datetime import timedelta
 from uuid import uuid4
 
 import frappe
@@ -10,6 +10,7 @@ from frappe.core.page.permission_manager.permission_manager import reset
 from frappe.custom.doctype.property_setter.property_setter import make_property_setter
 from frappe.tests.utils import FrappeTestCase
 from frappe.utils import add_days, today
+from frappe.utils.data import add_to_date
 
 from erpnext.accounts.doctype.gl_entry.gl_entry import rename_gle_sle_docs
 from erpnext.stock.doctype.delivery_note.test_delivery_note import create_delivery_note
@@ -1067,6 +1068,64 @@ class TestStockLedgerEntry(FrappeTestCase):
 		receipt2 = make_stock_entry(item_code=item, target=warehouse, qty=15, rate=15)
 		self.assertSLEs(receipt2, [{"stock_queue": [[5, 15]], "stock_value_difference": 175}])
 
+	def test_dependent_gl_entry_reposting(self):
+		def _get_stock_credit(doc):
+			return frappe.db.get_value(
+				"GL Entry",
+				{
+					"voucher_no": doc.name,
+					"voucher_type": doc.doctype,
+					"is_cancelled": 0,
+					"account": "Stock In Hand - TCP1",
+				},
+				"sum(credit)",
+			)
+
+		def _day(days):
+			return add_to_date(date=today(), days=days)
+
+		item = make_item().name
+		A = "Stores - TCP1"
+		B = "Work In Progress - TCP1"
+		C = "Finished Goods - TCP1"
+
+		make_stock_entry(item_code=item, to_warehouse=A, qty=5, rate=10, posting_date=_day(0))
+		make_stock_entry(item_code=item, from_warehouse=A, to_warehouse=B, qty=5, posting_date=_day(1))
+		depdendent_consumption = make_stock_entry(
+			item_code=item, from_warehouse=B, qty=5, posting_date=_day(2)
+		)
+		self.assertEqual(50, _get_stock_credit(depdendent_consumption))
+
+		# backdated receipt - should trigger GL repost of all previous stock entries
+		bd_receipt = make_stock_entry(
+			item_code=item, to_warehouse=A, qty=5, rate=20, posting_date=_day(-1)
+		)
+		self.assertEqual(100, _get_stock_credit(depdendent_consumption))
+
+		# cancelling receipt should reset it back
+		bd_receipt.cancel()
+		self.assertEqual(50, _get_stock_credit(depdendent_consumption))
+
+		bd_receipt2 = make_stock_entry(
+			item_code=item, to_warehouse=A, qty=2, rate=20, posting_date=_day(-2)
+		)
+		# total as per FIFO -> 2 * 20 + 3 * 10 = 70
+		self.assertEqual(70, _get_stock_credit(depdendent_consumption))
+
+		# transfer WIP material to final destination and consume it all
+		depdendent_consumption.cancel()
+		make_stock_entry(item_code=item, from_warehouse=B, to_warehouse=C, qty=5, posting_date=_day(3))
+		final_consumption = make_stock_entry(
+			item_code=item, from_warehouse=C, qty=5, posting_date=_day(4)
+		)
+		# exact amount gets consumed
+		self.assertEqual(70, _get_stock_credit(final_consumption))
+
+		# cancel original backdated receipt - should repost A -> B -> C
+		bd_receipt2.cancel()
+		# original amount
+		self.assertEqual(50, _get_stock_credit(final_consumption))
+
 
 def create_repack_entry(**args):
 	args = frappe._dict(args)