test: add unit test for common party with foreign currency

(cherry picked from commit 740a04a704)

# Conflicts:
#	erpnext/accounts/doctype/sales_invoice/test_sales_invoice.py

erpnext/accounts/doctype/sales_invoice/test_sales_invoice.py

@@ -44,7 +44,7 @@ class TestSalesInvoice(FrappeTestCase):
 		from erpnext.stock.doctype.stock_ledger_entry.test_stock_ledger_entry import create_items
 
 		create_items(["_Test Internal Transfer Item"], uoms=[{"uom": "Box", "conversion_factor": 10}])
-		create_internal_parties()
+		# create_internal_parties()
 		setup_accounts()
 		frappe.db.set_single_value("Accounts Settings", "acc_frozen_upto", None)
 
@@ -3679,6 +3679,7 @@ class TestSalesInvoice(FrappeTestCase):
 		self.assertEqual(res[0][0], pos_return.return_against)
 
 
+<<<<<<< HEAD
 def check_gl_entries(doc, voucher_no, expected_gle, posting_date):
 	gl_entries = frappe.db.sql(
 		"""select account, debit, credit, posting_date
@@ -3688,6 +3689,199 @@ def check_gl_entries(doc, voucher_no, expected_gle, posting_date):
 		order by posting_date asc, account asc""",
 		(voucher_no, posting_date),
 		as_dict=1,
+=======
+	def _create_opening_roundoff_account(self, company_name):
+		liability_root = frappe.db.get_all(
+			"Account",
+			filters={"company": company_name, "root_type": "Liability", "disabled": 0},
+			order_by="lft",
+			limit=1,
+		)[0]
+
+		# setup round off account
+		if acc := frappe.db.exists(
+			"Account",
+			{
+				"account_name": "Round Off for Opening",
+				"account_type": "Round Off for Opening",
+				"company": company_name,
+			},
+		):
+			frappe.db.set_value("Company", company_name, "round_off_for_opening", acc)
+		else:
+			acc = frappe.new_doc("Account")
+			acc.company = company_name
+			acc.parent_account = liability_root.name
+			acc.account_name = "Round Off for Opening"
+			acc.account_type = "Round Off for Opening"
+			acc.save()
+			frappe.db.set_value("Company", company_name, "round_off_for_opening", acc.name)
+
+	def test_opening_invoice_with_rounding_adjustment(self):
+		si = create_sales_invoice(qty=1, rate=99.98, do_not_submit=True)
+		si.is_opening = "Yes"
+		si.items[0].income_account = "Temporary Opening - _TC"
+		si.save()
+
+		self._create_opening_roundoff_account(si.company)
+
+		si.reload()
+		si.submit()
+		res = frappe.db.get_all(
+			"GL Entry",
+			filters={"voucher_no": si.name, "is_opening": "Yes"},
+			fields=["account", "debit", "credit", "is_opening"],
+		)
+		self.assertEqual(len(res), 3)
+
+	def _create_opening_invoice_with_inclusive_tax(self):
+		si = create_sales_invoice(qty=1, rate=90, do_not_submit=True)
+		si.is_opening = "Yes"
+		si.items[0].income_account = "Temporary Opening - _TC"
+		item_template = si.items[0].as_dict()
+		item_template.name = None
+		item_template.rate = 55
+		si.append("items", item_template)
+		si.append(
+			"taxes",
+			{
+				"charge_type": "On Net Total",
+				"account_head": "_Test Account Service Tax - _TC",
+				"cost_center": "_Test Cost Center - _TC",
+				"description": "Testing...",
+				"rate": 5,
+				"included_in_print_rate": True,
+			},
+		)
+		# there will be 0.01 precision loss between Dr and Cr
+		# caused by 'included_in_print_tax' option
+		si.save()
+		return si
+
+	def test_rounding_validation_for_opening_with_inclusive_tax(self):
+		si = self._create_opening_invoice_with_inclusive_tax()
+		# 'Round Off for Opening' not set in Company master
+		# Ledger level validation must be thrown
+		self.assertRaises(frappe.ValidationError, si.submit)
+
+	def test_ledger_entries_on_opening_invoice_with_rounding_loss_by_inclusive_tax(self):
+		si = self._create_opening_invoice_with_inclusive_tax()
+		# 'Round Off for Opening' is set in Company master
+		self._create_opening_roundoff_account(si.company)
+
+		si.submit()
+		actual = frappe.db.get_all(
+			"GL Entry",
+			filters={"voucher_no": si.name, "is_opening": "Yes", "is_cancelled": False},
+			fields=["account", "debit", "credit", "is_opening"],
+			order_by="account,debit",
+		)
+		expected = [
+			{"account": "_Test Account Service Tax - _TC", "debit": 0.0, "credit": 6.9, "is_opening": "Yes"},
+			{"account": "Debtors - _TC", "debit": 145.0, "credit": 0.0, "is_opening": "Yes"},
+			{"account": "Round Off for Opening - _TC", "debit": 0.0, "credit": 0.01, "is_opening": "Yes"},
+			{"account": "Temporary Opening - _TC", "debit": 0.0, "credit": 138.09, "is_opening": "Yes"},
+		]
+		self.assertEqual(len(actual), 4)
+		self.assertEqual(expected, actual)
+
+	def test_common_party_with_foreign_currency_jv(self):
+		from erpnext.accounts.doctype.account.test_account import create_account
+		from erpnext.accounts.doctype.opening_invoice_creation_tool.test_opening_invoice_creation_tool import (
+			make_customer,
+		)
+		from erpnext.accounts.doctype.party_link.party_link import create_party_link
+		from erpnext.buying.doctype.supplier.test_supplier import create_supplier
+		from erpnext.setup.utils import get_exchange_rate
+
+		creditors = create_account(
+			account_name="Creditors USD",
+			parent_account="Accounts Payable - _TC",
+			company="_Test Company",
+			account_currency="USD",
+			account_type="Payable",
+		)
+		debtors = create_account(
+			account_name="Debtors USD",
+			parent_account="Accounts Receivable - _TC",
+			company="_Test Company",
+			account_currency="USD",
+			account_type="Receivable",
+		)
+
+		# create a customer
+		customer = make_customer(customer="_Test Common Party USD")
+		cust_doc = frappe.get_doc("Customer", customer)
+		cust_doc.default_currency = "USD"
+		test_account_details = {
+			"company": "_Test Company",
+			"account": debtors,
+		}
+		cust_doc.append("accounts", test_account_details)
+		cust_doc.save()
+
+		# create a supplier
+		supplier = create_supplier(supplier_name="_Test Common Party USD").name
+		supp_doc = frappe.get_doc("Supplier", supplier)
+		supp_doc.default_currency = "USD"
+		test_account_details = {
+			"company": "_Test Company",
+			"account": creditors,
+		}
+		supp_doc.append("accounts", test_account_details)
+		supp_doc.save()
+
+		# enable common party accounting
+		frappe.db.set_single_value("Accounts Settings", "enable_common_party_accounting", 1)
+
+		# create a party link between customer & supplier
+		party_link = create_party_link("Supplier", supplier, customer)
+
+		# create a sales invoice
+		si = create_sales_invoice(
+			customer=customer,
+			currency="USD",
+			conversion_rate=get_exchange_rate("USD", "INR"),
+			debit_to=debtors,
+			do_not_save=1,
+		)
+		si.party_account_currency = "USD"
+		si.save()
+		si.submit()
+
+		# check outstanding of sales invoice
+		si.reload()
+		self.assertEqual(si.status, "Paid")
+		self.assertEqual(flt(si.outstanding_amount), 0.0)
+
+		# check creation of journal entry
+		jv = frappe.get_all(
+			"Journal Entry Account",
+			{
+				"account": si.debit_to,
+				"party_type": "Customer",
+				"party": si.customer,
+				"reference_type": si.doctype,
+				"reference_name": si.name,
+			},
+			pluck="credit_in_account_currency",
+		)
+		self.assertTrue(jv)
+		self.assertEqual(jv[0], si.grand_total)
+
+		party_link.delete()
+		frappe.db.set_single_value("Accounts Settings", "enable_common_party_accounting", 0)
+
+
+def set_advance_flag(company, flag, default_account):
+	frappe.db.set_value(
+		"Company",
+		company,
+		{
+			"book_advance_payments_in_separate_party_account": flag,
+			"default_advance_received_account": default_account,
+		},
+>>>>>>> 740a04a704 (test: add unit test for common party with foreign currency)
 	)
 
 	for i, gle in enumerate(gl_entries):