test(accounts): cover full return of actual tax invoice with cascading rows

(cherry picked from commit da326c742c)
This commit is contained in:
Sudharsanan11
2026-10-29 17:18:38 +00:00
committed by Mergify
parent df265b7c0c
commit 58e0b73fd3
@@ -3,6 +3,7 @@ import json
import frappe
from frappe.utils import flt
from erpnext.controllers.sales_and_purchase_return import make_return_doc
from erpnext.controllers.taxes_and_totals import get_itemised_tax_breakup_data
from erpnext.tests.utils import ERPNextTestSuite, change_settings
@@ -716,3 +717,34 @@ class TestTaxesAndTotals(ERPNextTestSuite):
self.assertEqual(gl_map["_Test Account VAT - _TC"], -10)
self.assertNotIn("_Test Account Service Tax - _TC", gl_map)
self.assertEqual(gl_map[doc.debit_to], 210)
def make_full_return(self, doc):
return_doc = make_return_doc(doc.doctype, doc.name)
return_doc.save()
return_doc.submit()
return return_doc
@change_settings("Selling Settings", {"allow_multiple_items": 1})
def test_full_return_reverses_actual_tax_cascading_rows(self):
doc = self.make_doc_with_cascading_tax("On Previous Row Total")
return_doc = self.make_full_return(doc)
self.assertEqual(return_doc.taxes[1].tax_amount, -10)
self.assertEqual(return_doc.grand_total, -220)
gl_map = self.get_gl_map(doc)
for account, amount in self.get_gl_map(return_doc).items():
self.assertEqual(gl_map[account] + amount, 0)
@change_settings("Selling Settings", {"allow_multiple_items": 1})
def test_full_return_recomputes_cascading_rows_of_old_split_invoice(self):
doc = self.make_doc_with_cascading_tax("On Previous Row Total")
# amounts as saved by the old split, where the exempt item took a VAT share
doc.taxes[1].db_set({"tax_amount": 10.5, "total": 220.5})
doc.db_set("grand_total", 220.5)
return_doc = self.make_full_return(doc)
# the return uses the new split, it does not copy the original amounts
self.assertEqual(return_doc.taxes[1].tax_amount, -10)
self.assertEqual(return_doc.grand_total, -220)