test: update serial no company on inter company PR

erpnext/stock/doctype/purchase_receipt/test_purchase_receipt.py

@@ -2230,6 +2230,53 @@ def non_internal_transfer_purchase_receipt(self):
 		pr_doc.reload()
 		self.assertFalse(pr_doc.items[0].from_warehouse)
 
+	def test_serial_no_for_internal_pr(self):
+		from erpnext.accounts.doctype.sales_invoice.test_sales_invoice import create_internal_supplier
+		from erpnext.selling.doctype.customer.test_customer import create_internal_customer
+		from erpnext.stock.doctype.delivery_note.delivery_note import make_inter_company_purchase_receipt
+		from erpnext.stock.doctype.delivery_note.test_delivery_note import create_delivery_note
+
+		item_code = make_item(
+			properties={"is_stock_item": 1, "has_serial_no": 1, "serial_no_series": "TSN.###"}
+		).name
+
+		company_from = "_Test Company"
+		company_to = "_Test Company with perpetual inventory"
+
+		pr = make_purchase_receipt(
+			item_code=item_code, qty=1, serial_no=["TSN001"], company=company_from
+		)
+
+		serial_no_company = frappe.db.get_value("Serial No", "TSN001", "company")
+		self.assertEqual(serial_no_company, company_from)
+
+		customer_name = create_internal_customer(
+			customer_name="_Test Internal Customer 5",
+			represents_company=company_to,
+			allowed_to_interact_with=company_from,
+		)
+
+		dn = create_delivery_note(
+			item_code=item_code,
+			company=company_from,
+			customer=customer_name,
+			qty=1,
+			warehouse=pr.items[0].warehouse,
+			serial_no=["TSN001"],
+		)
+
+		create_internal_supplier(
+			customer_name="_Test Internal Supplier 5",
+			represents_company=company_from,
+			allowed_to_interact_with=company_to,
+		)
+
+		internal_pr = make_inter_company_purchase_receipt(dn.name)
+		internal_pr.submit()
+
+		serial_no_company = frappe.db.get_value("Serial No", ["TSN001"], "company")
+		self.assertEqual(serial_no_company, company_to)
+
 
 def prepare_data_for_internal_transfer():
 	from erpnext.accounts.doctype.sales_invoice.test_sales_invoice import create_internal_supplier