test: PE from SI with early payment discount amount & PE assertions in discount % test

erpnext/accounts/doctype/payment_entry/test_payment_entry.py

@@ -260,6 +260,14 @@ class TestPaymentEntry(FrappeTestCase):
 		si.submit()
 
 		pe = get_payment_entry("Sales Invoice", si.name, bank_account="_Test Cash - _TC")
+
+		self.assertEqual(pe.references[0].payment_term, "30 Credit Days with 10% Discount")
+		self.assertEqual(pe.references[0].allocated_amount, 236.0)
+		self.assertEqual(pe.paid_amount, 212.4)
+		self.assertEqual(pe.deductions[0].amount, 20.0)  # Loss on Income
+		self.assertEqual(pe.deductions[1].amount, 3.6)  # Loss on Tax
+		self.assertEqual(pe.deductions[1].account, "_Test Account Service Tax - _TC")
+
 		pe.submit()
 		si.load_from_db()
 
@@ -269,6 +277,46 @@ class TestPaymentEntry(FrappeTestCase):
 		self.assertEqual(si.payment_schedule[0].outstanding, 0)
 		self.assertEqual(si.payment_schedule[0].discounted_amount, 23.6)
 
+	def test_payment_entry_against_payment_terms_with_discount_amount(self):
+		si = create_sales_invoice(do_not_save=1, qty=1, rate=200)
+
+		si.payment_terms_template = "Test Discount Amount Template"
+		create_payment_terms_template_with_discount(
+			name="30 Credit Days with Rs.50 Discount",
+			discount_type="Amount",
+			discount=50,
+			template_name="Test Discount Amount Template",
+		)
+		frappe.db.set_value("Company", si.company, "default_discount_account", "Write Off - _TC")
+
+		si.append(
+			"taxes",
+			{
+				"charge_type": "On Net Total",
+				"account_head": "_Test Account Service Tax - _TC",
+				"cost_center": "_Test Cost Center - _TC",
+				"description": "Service Tax",
+				"rate": 18,
+			},
+		)
+		si.save()
+		si.submit()
+
+		pe = get_payment_entry("Sales Invoice", si.name, bank_account="_Test Cash - _TC")
+		self.assertEqual(pe.references[0].allocated_amount, 236.0)
+		self.assertEqual(pe.paid_amount, 186)
+		self.assertEqual(pe.deductions[0].amount, 42.37)  # Loss on Income
+		self.assertEqual(pe.deductions[1].amount, 7.63)  # Loss on Tax
+		self.assertEqual(pe.deductions[1].account, "_Test Account Service Tax - _TC")
+
+		pe.submit()
+		si.load_from_db()
+
+		self.assertEqual(si.payment_schedule[0].payment_amount, 236.0)
+		self.assertEqual(si.payment_schedule[0].paid_amount, 186)
+		self.assertEqual(si.payment_schedule[0].outstanding, 0)
+		self.assertEqual(si.payment_schedule[0].discounted_amount, 50)
+
 	def test_payment_against_purchase_invoice_to_check_status(self):
 		pi = make_purchase_invoice(
 			supplier="_Test Supplier USD",
@@ -839,24 +887,27 @@ def create_payment_terms_template():
 		).insert()
 
 
-def create_payment_terms_template_with_discount():
+def create_payment_terms_template_with_discount(
+	name=None, discount_type=None, discount=None, template_name=None
+):
+	create_payment_term(name or "30 Credit Days with 10% Discount")
+	template_name = template_name or "Test Discount Template"
 
-	create_payment_term("30 Credit Days with 10% Discount")
+	if not frappe.db.exists("Payment Terms Template", template_name):
-
+		frappe.get_doc(
-	if not frappe.db.exists("Payment Terms Template", "Test Discount Template"):
-		payment_term_template = frappe.get_doc(
 			{
 				"doctype": "Payment Terms Template",
-				"template_name": "Test Discount Template",
+				"template_name": template_name,
 				"allocate_payment_based_on_payment_terms": 1,
 				"terms": [
 					{
 						"doctype": "Payment Terms Template Detail",
-						"payment_term": "30 Credit Days with 10% Discount",
+						"payment_term": name or "30 Credit Days with 10% Discount",
 						"invoice_portion": 100,
 						"credit_days_based_on": "Day(s) after invoice date",
 						"credit_days": 2,
-						"discount": 10,
+						"discount_type": discount_type or "Percentage",
+						"discount": discount or 10,
 						"discount_validity_based_on": "Day(s) after invoice date",
 						"discount_validity": 1,
 					}