fix: einvoice test (#24435)

erpnext/accounts/doctype/sales_invoice/test_sales_invoice.py

@@ -1877,23 +1877,6 @@ class TestSalesInvoice(unittest.TestCase):
 	def test_einvoice_json(self):
 		from erpnext.regional.india.e_invoice.utils import make_einvoice
 
-		customer_gstin = '27AACCM7806M1Z3'
-		customer_gstin_dtls = {
-			'LegalName': '_Test Customer', 'TradeName': '_Test Customer', 'AddrLoc': '_Test City',
-			'StateCode': '27', 'AddrPncd': '410038', 'AddrBno': '_Test Bldg',
-			'AddrBnm': '100', 'AddrFlno': '200', 'AddrSt': '_Test Street'
-		}
-		company_gstin = '27AAECE4835E1ZR'
-		company_gstin_dtls = {
-			'LegalName': '_Test Company', 'TradeName': '_Test Company', 'AddrLoc': '_Test City',
-			'StateCode': '27', 'AddrPncd': '401108', 'AddrBno': '_Test Bldg',
-			'AddrBnm': '100', 'AddrFlno': '200', 'AddrSt': '_Test Street'
-		}
-		# set cache gstin details to avoid fetching details which will require connection to GSP servers
-		frappe.local.gstin_cache = {}
-		frappe.local.gstin_cache[customer_gstin] = customer_gstin_dtls
-		frappe.local.gstin_cache[company_gstin] = company_gstin_dtls
-
 		si = make_sales_invoice_for_ewaybill()
 		si.naming_series = 'INV-2020-.#####'
 		si.items = []
@@ -1901,8 +1884,8 @@ class TestSalesInvoice(unittest.TestCase):
 			"item_code": "_Test Item",
 			"uom": "Nos",
 			"warehouse": "_Test Warehouse - _TC",
-			"qty": 2,
-			"rate": 100,
+			"qty": 2000,
+			"rate": 12,
 			"income_account": "Sales - _TC",
 			"expense_account": "Cost of Goods Sold - _TC",
 			"cost_center": "_Test Cost Center - _TC",
@@ -1911,31 +1894,50 @@ class TestSalesInvoice(unittest.TestCase):
 			"item_code": "_Test Item 2",
 			"uom": "Nos",
 			"warehouse": "_Test Warehouse - _TC",
-			"qty": 4,
-			"rate": 150,
+			"qty": 420,
+			"rate": 15,
 			"income_account": "Sales - _TC",
 			"expense_account": "Cost of Goods Sold - _TC",
 			"cost_center": "_Test Cost Center - _TC",
 		})
+		si.discount_amount = 100
 		si.save()
 
 		einvoice = make_einvoice(si)
 
-		total_item_ass_value = sum([d['AssAmt'] for d in einvoice['ItemList']])
-		total_item_cgst_value = sum([d['CgstAmt'] for d in einvoice['ItemList']])
-		total_item_sgst_value = sum([d['SgstAmt'] for d in einvoice['ItemList']])
-		total_item_igst_value = sum([d['IgstAmt'] for d in einvoice['ItemList']])
-		total_item_value = sum([d['TotItemVal'] for d in einvoice['ItemList']])
+		total_item_ass_value = 0
+		total_item_cgst_value = 0
+		total_item_sgst_value = 0
+		total_item_igst_value = 0
+		total_item_value = 0
+
+		for item in einvoice['ItemList']:
+			total_item_ass_value += item['AssAmt']
+			total_item_cgst_value += item['CgstAmt']
+			total_item_sgst_value += item['SgstAmt']
+			total_item_igst_value += item['IgstAmt']
+			total_item_value += item['TotItemVal']
+
+			self.assertTrue(item['AssAmt'], item['TotAmt'] - item['Discount'])
+			self.assertTrue(item['TotItemVal'], item['AssAmt'] + item['CgstAmt'] + item['SgstAmt'] + item['IgstAmt'])
+
+		value_details = einvoice['ValDtls']
 
 		self.assertEqual(einvoice['Version'], '1.1')
-		self.assertEqual(einvoice['ValDtls']['AssVal'], total_item_ass_value)
-		self.assertEqual(einvoice['ValDtls']['CgstVal'], total_item_cgst_value)
-		self.assertEqual(einvoice['ValDtls']['SgstVal'], total_item_sgst_value)
-		self.assertEqual(einvoice['ValDtls']['IgstVal'], total_item_igst_value)
-		self.assertEqual(einvoice['ValDtls']['TotInvVal'], total_item_value)
+		self.assertTrue(abs(value_details['AssVal'] - total_item_ass_value) <= 1)
+		self.assertTrue(abs(value_details['CgstVal'] - total_item_cgst_value) <= 1)
+		self.assertTrue(abs(value_details['SgstVal'] - total_item_sgst_value) <= 1)
+		self.assertTrue(abs(value_details['IgstVal'] - total_item_igst_value) <= 1)
+
+		calculated_invoice_value = \
+			value_details['AssVal'] + value_details['CgstVal'] \
+			+ value_details['SgstVal'] + value_details['IgstVal'] \
+			+ value_details['OthChrg'] - value_details['Discount']
+
+		self.assertTrue(abs(value_details['TotInvVal'] - calculated_invoice_value) <= 1)
 		self.assertTrue(einvoice['EwbDtls'])
 
-def make_sales_invoice_for_ewaybill():
+def make_test_address_for_ewaybill():
 	if not frappe.db.exists('Address', '_Test Address for Eway bill-Billing'):
 		address = frappe.get_doc({
 			"address_line1": "_Test Address Line 1",
@@ -1983,7 +1985,8 @@ def make_sales_invoice_for_ewaybill():
 		})
 
 		address.save()
-	
+
+def make_test_transporter_for_ewaybill():
 	if not frappe.db.exists('Supplier', '_Test Transporter'):
 		frappe.get_doc({
 			"doctype": "Supplier",
@@ -1994,12 +1997,17 @@ def make_sales_invoice_for_ewaybill():
 			"is_transporter": 1
 		}).insert()
 
+def make_sales_invoice_for_ewaybill():
+	make_test_address_for_ewaybill()
+	make_test_transporter_for_ewaybill()
+
 	gst_settings = frappe.get_doc("GST Settings")
 
 	gst_account = frappe.get_all(
 		"GST Account",
 		fields=["cgst_account", "sgst_account", "igst_account"],
-		filters = {"company": "_Test Company"})
+		filters = {"company": "_Test Company"}
+	)
 
 	if not gst_account:
 		gst_settings.append("gst_accounts", {
@@ -2011,7 +2019,7 @@ def make_sales_invoice_for_ewaybill():
 
 	gst_settings.save()
 
-	si = create_sales_invoice(do_not_save =1, rate = '60000')
+	si = create_sales_invoice(do_not_save=1, rate='60000')
 
 	si.distance = 2000
 	si.company_address = "_Test Address for Eway bill-Billing"
@@ -2039,27 +2047,6 @@ def make_sales_invoice_for_ewaybill():
 
 	return si
 
-	def test_item_tax_validity(self):
-		item = frappe.get_doc("Item", "_Test Item 2")
-
-		if item.taxes:
-			item.taxes = []
-			item.save()
-
-		item.append("taxes", {
-			"item_tax_template": "_Test Item Tax Template 1",
-			"valid_from": add_days(nowdate(), 1)
-		})
-
-		item.save()
-
-		sales_invoice = create_sales_invoice(item = "_Test Item 2", do_not_save=1)
-		sales_invoice.items[0].item_tax_template = "_Test Item Tax Template 1"
-		self.assertRaises(frappe.ValidationError, sales_invoice.save)
-
-		item.taxes = []
-		item.save()
-
 def create_sales_invoice(**args):
 	si = frappe.new_doc("Sales Invoice")
 	args = frappe._dict(args)

erpnext/regional/india/e_invoice/einv_template.json

@@ -59,7 +59,7 @@
         {item_list}
     ],
     "ValDtls": {{
-        "AssVal": "{invoice_value_details.base_net_total}",
+        "AssVal": "{invoice_value_details.base_total}",
         "CgstVal": "{invoice_value_details.total_cgst_amt}",
         "SgstVal": "{invoice_value_details.total_sgst_amt}",
         "IgstVal": "{invoice_value_details.total_igst_amt}",

erpnext/regional/india/e_invoice/utils.py

@@ -193,6 +193,7 @@ def update_item_taxes(invoice, item):
 		item[attr] = 0
 
 	for t in invoice.taxes:
+		# this contains item wise tax rate & tax amount (incl. discount)
 		item_tax_detail = json.loads(t.item_wise_tax_detail).get(item.item_code)
 		if t.account_head in gst_accounts_list:
 			item_tax_rate = item_tax_detail[0]
@@ -200,30 +201,30 @@ def update_item_taxes(invoice, item):
 			item_tax_amount = (item_tax_rate / 100) * item.base_net_amount
 
 			if t.account_head in gst_accounts.cess_account:
+				item_tax_amount_after_discount = item_tax_detail[1]
 				if t.charge_type == 'On Item Quantity':
-					item.cess_nadv_amount += abs(item_tax_detail[1])
+					item.cess_nadv_amount += abs(item_tax_amount_after_discount)
 				else:
-					item.cess_rate += item_tax_detail[0]
-					item.cess_amount += abs(item_tax_detail[1])
-			elif t.account_head in gst_accounts.igst_account:
-				item.tax_rate += item_tax_detail[0]
-				item.igst_amount += abs(item_tax_detail[1])
-			elif t.account_head in gst_accounts.sgst_account:
-				item.tax_rate += item_tax_detail[0]
-				item.sgst_amount += abs(item_tax_detail[1])
-			elif t.account_head in gst_accounts.cgst_account:
-				item.tax_rate += item_tax_detail[0]
-				item.cgst_amount += abs(item_tax_detail[1])
-	
+					item.cess_rate += item_tax_rate
+					item.cess_amount += abs(item_tax_amount_after_discount)
+
+			for tax_type in ['igst', 'cgst', 'sgst']:
+				if t.account_head in gst_accounts['{}_account'.format(tax_type)]:
+					item.tax_rate += item_tax_rate
+					item['{}_amount'.format(tax_type)] += abs(item_tax_amount)
+
 	return item
 
 def get_invoice_value_details(invoice):
 	invoice_value_details = frappe._dict(dict())
+
 	if invoice.apply_discount_on == 'Net Total' and invoice.discount_amount:
 		invoice_value_details.base_total = abs(invoice.base_total)
 	else:
 		invoice_value_details.base_total = abs(invoice.base_net_total)
-	invoice_value_details.invoice_discount_amt = invoice.base_discount_amount
+
+	# since tax already considers discount amount
+	invoice_value_details.invoice_discount_amt = 0 # invoice.base_discount_amount
 	invoice_value_details.round_off = invoice.base_rounding_adjustment
 	invoice_value_details.base_grand_total = abs(invoice.base_rounded_total) or abs(invoice.base_grand_total)
 	invoice_value_details.grand_total = abs(invoice.rounded_total) or abs(invoice.grand_total)
@@ -244,13 +245,12 @@ def update_invoice_taxes(invoice, invoice_value_details):
 	for t in invoice.taxes:
 		if t.account_head in gst_accounts_list:
 			if t.account_head in gst_accounts.cess_account:
+				# using after discount amt since item also uses after discount amt for cess calc
 				invoice_value_details.total_cess_amt += abs(t.base_tax_amount_after_discount_amount)
-			elif t.account_head in gst_accounts.igst_account:
-				invoice_value_details.total_igst_amt += abs(t.base_tax_amount_after_discount_amount)
-			elif t.account_head in gst_accounts.sgst_account:
-				invoice_value_details.total_sgst_amt += abs(t.base_tax_amount_after_discount_amount)
-			elif t.account_head in gst_accounts.cgst_account:
-				invoice_value_details.total_cgst_amt += abs(t.base_tax_amount_after_discount_amount)
+			
+			for tax_type in ['igst', 'cgst', 'sgst']:
+				if t.account_head in gst_accounts['{}_account'.format(tax_type)]:
+					invoice_value_details['total_{}_amt'.format(tax_type)] += abs(t.base_tax_amount_after_discount_amount)
 		else:
 			invoice_value_details.total_other_charges += abs(t.base_tax_amount_after_discount_amount)