fix: remove duplicates from tax category map

(cherry picked from commit c56f3a5)

erpnext/accounts/report/tds_payable_monthly/tds_payable_monthly.py

@@ -63,16 +63,14 @@ def get_result(
 				tax_amount += entry.credit - entry.debit
 				# infer tax withholding category from the account if it's the single account for this category
 				tax_withholding_category = tds_accounts.get(entry.account)
-				rate = tax_rate_map.get(tax_withholding_category)
 				# or else the consolidated value from the voucher document
 				if not tax_withholding_category:
-					# or else from the party default
 					tax_withholding_category = tax_category_map.get(name)
-					rate = tax_rate_map.get(tax_withholding_category)
+				# or else from the party default
 				if not tax_withholding_category:
 					tax_withholding_category = party_map.get(party, {}).get("tax_withholding_category")
-					rate = tax_rate_map.get(tax_withholding_category)
 
+				rate = tax_rate_map.get(tax_withholding_category)
 			if net_total_map.get(name):
 				if voucher_type == "Journal Entry" and tax_amount and rate:
 					# back calcalute total amount from rate and tax_amount
@@ -295,7 +293,7 @@ def get_tds_docs(filters):
 	tds_accounts = {}
 	for tds_acc in _tds_accounts:
 		# if it turns out not to be the only tax withholding category, then don't include in the map
-		if tds_accounts.get(tds_acc["account"]):
+		if tds_acc["account"] in tds_accounts:
 			tds_accounts[tds_acc["account"]] = None
 		else:
 			tds_accounts[tds_acc["account"]] = tds_acc["parent"]
@@ -408,7 +406,7 @@ def get_doc_info(vouchers, doctype, tax_category_map, net_total_map=None):
 			"paid_amount_after_tax",
 			"base_paid_amount",
 		],
-		"Journal Entry": ["tax_withholding_category", "total_amount"],
+		"Journal Entry": ["total_amount"],
 	}
 
 	entries = frappe.get_all(

erpnext/accounts/report/tds_payable_monthly/test_tds_payable_monthly.py

@@ -5,7 +5,6 @@
 from frappe.tests.utils import FrappeTestCase
 from frappe.utils import today
 
-from erpnext.accounts.doctype.cost_center.test_cost_center import create_cost_center
 from erpnext.accounts.doctype.payment_entry.test_payment_entry import create_payment_entry
 from erpnext.accounts.doctype.purchase_invoice.test_purchase_invoice import make_purchase_invoice
 from erpnext.accounts.doctype.sales_invoice.test_sales_invoice import create_sales_invoice
@@ -22,31 +21,58 @@ def setUp(self):
 		self.create_company()
 		self.clear_old_entries()
 		create_tax_accounts()
-		create_tcs_category()
 
 	def test_tax_withholding_for_customers(self):
+		create_tax_category(cumulative_threshold=300)
+		frappe.db.set_value("Customer", "_Test Customer", "tax_withholding_category", "TCS")
 		si = create_sales_invoice(rate=1000)
 		pe = create_tcs_payment_entry()
+		jv = create_tcs_journal_entry()
+
 		filters = frappe._dict(
 			company="_Test Company", party_type="Customer", from_date=today(), to_date=today()
 		)
 		result = execute(filters)[1]
 		expected_values = [
+			# Check for JV totals using back calculation logic
+			[jv.name, "TCS", 0.075, -10000.0, -7.5, -10000.0],
 			[pe.name, "TCS", 0.075, 2550, 0.53, 2550.53],
-			[si.name, "TCS", 0.075, 1000, 0.53, 1000.53],
+			[si.name, "TCS", 0.075, 1000, 0.52, 1000.52],
+		]
+		self.check_expected_values(result, expected_values)
+
+	def test_single_account_for_multiple_categories(self):
+		create_tax_category("TDS - 1", rate=10, account="TDS - _TC")
+		inv_1 = make_purchase_invoice(rate=1000, do_not_submit=True)
+		inv_1.tax_withholding_category = "TDS - 1"
+		inv_1.submit()
+
+		create_tax_category("TDS - 2", rate=20, account="TDS - _TC")
+		inv_2 = make_purchase_invoice(rate=1000, do_not_submit=True)
+		inv_2.tax_withholding_category = "TDS - 2"
+		inv_2.submit()
+		result = execute(
+			frappe._dict(company="_Test Company", party_type="Supplier", from_date=today(), to_date=today())
+		)[1]
+		expected_values = [
+			[inv_1.name, "TDS - 1", 10, 5000, 500, 5500],
+			[inv_2.name, "TDS - 2", 20, 5000, 1000, 6000],
 		]
 		self.check_expected_values(result, expected_values)
 
 	def check_expected_values(self, result, expected_values):
 		for i in range(len(result)):
 			voucher = frappe._dict(result[i])
 			voucher_expected_values = expected_values[i]
-			self.assertEqual(voucher.ref_no, voucher_expected_values[0])
-			self.assertEqual(voucher.section_code, voucher_expected_values[1])
-			self.assertEqual(voucher.rate, voucher_expected_values[2])
-			self.assertEqual(voucher.base_total, voucher_expected_values[3])
-			self.assertEqual(voucher.tax_amount, voucher_expected_values[4])
-			self.assertEqual(voucher.grand_total, voucher_expected_values[5])
+			voucher_actual_values = (
+				voucher.ref_no,
+				voucher.section_code,
+				voucher.rate,
+				voucher.base_total,
+				voucher.tax_amount,
+				voucher.grand_total,
+			)
+			self.assertSequenceEqual(voucher_actual_values, voucher_expected_values)
 
 	def tearDown(self):
 		self.clear_old_entries()
@@ -67,24 +93,20 @@ def create_tax_accounts():
 		).insert(ignore_if_duplicate=True)
 
 
-def create_tcs_category():
+def create_tax_category(category="TCS", rate=0.075, account="TCS - _TC", cumulative_threshold=0):
 	fiscal_year = get_fiscal_year(today(), company="_Test Company")
 	from_date = fiscal_year[1]
 	to_date = fiscal_year[2]
 
-	tax_category = create_tax_withholding_category(
-		category_name="TCS",
-		rate=0.075,
+	create_tax_withholding_category(
+		category_name=category,
+		rate=rate,
 		from_date=from_date,
 		to_date=to_date,
-		account="TCS - _TC",
-		cumulative_threshold=300,
+		account=account,
+		cumulative_threshold=cumulative_threshold,
 	)
 
-	customer = frappe.get_doc("Customer", "_Test Customer")
-	customer.tax_withholding_category = "TCS"
-	customer.save()
-
 
 def create_tcs_payment_entry():
 	payment_entry = create_payment_entry(
@@ -109,3 +131,32 @@ def create_tcs_payment_entry():
 	)
 	payment_entry.submit()
 	return payment_entry
+
+
+def create_tcs_journal_entry():
+	jv = frappe.new_doc("Journal Entry")
+	jv.posting_date = today()
+	jv.company = "_Test Company"
+	jv.set(
+		"accounts",
+		[
+			{
+				"account": "Debtors - _TC",
+				"party_type": "Customer",
+				"party": "_Test Customer",
+				"credit_in_account_currency": 10000,
+			},
+			{
+				"account": "Debtors - _TC",
+				"party_type": "Customer",
+				"party": "_Test Customer",
+				"debit_in_account_currency": 9992.5,
+			},
+			{
+				"account": "TCS - _TC",
+				"debit_in_account_currency": 7.5,
+			},
+		],
+	)
+	jv.insert()
+	return jv.submit()