test: test reference details response
diff --git a/erpnext/accounts/doctype/payment_entry/test_payment_entry.py b/erpnext/accounts/doctype/payment_entry/test_payment_entry.py
index 278b12f..ae2625b 100644
--- a/erpnext/accounts/doctype/payment_entry/test_payment_entry.py
+++ b/erpnext/accounts/doctype/payment_entry/test_payment_entry.py
@@ -11,6 +11,7 @@
 from erpnext.accounts.doctype.payment_entry.payment_entry import (
 	InvalidPaymentEntry,
 	get_payment_entry,
+	get_reference_details,
 )
 from erpnext.accounts.doctype.purchase_invoice.test_purchase_invoice import (
 	make_purchase_invoice,
@@ -1037,6 +1038,29 @@
 
 		self.assertRaises(frappe.ValidationError, pe_draft.submit)
 
+	def test_details_update_on_reference_table(self):
+		so = make_sales_order(
+			customer="_Test Customer USD", currency="USD", qty=1, rate=100, do_not_submit=True
+		)
+		so.conversion_rate = 50
+		so.submit()
+		pe = get_payment_entry("Sales Order", so.name)
+		pe.references.clear()
+		pe.paid_from = "Debtors - _TC"
+		pe.paid_from_account_currency = "INR"
+		pe.source_exchange_rate = 50
+		pe.save()
+
+		ref_details = get_reference_details(so.doctype, so.name, pe.paid_from_account_currency)
+		expected_response = {
+			"total_amount": 5000.0,
+			"outstanding_amount": 5000.0,
+			"exchange_rate": 1.0,
+			"due_date": None,
+			"bill_no": None,
+		}
+		self.assertDictEqual(ref_details, expected_response)
+
 
 def create_payment_entry(**args):
 	payment_entry = frappe.new_doc("Payment Entry")