test: basic supplier ledger summary

erpnext/accounts/report/supplier_ledger_summary/test_supplier_ledger_summary.py

@@ -0,0 +1,61 @@
+import frappe
+from frappe.tests import IntegrationTestCase
+from frappe.utils import today
+
+from erpnext.accounts.doctype.purchase_invoice.test_purchase_invoice import make_purchase_invoice
+from erpnext.accounts.report.supplier_ledger_summary.supplier_ledger_summary import execute
+from erpnext.accounts.test.accounts_mixin import AccountsTestMixin
+
+
+class TestSupplierLedgerSummary(AccountsTestMixin, IntegrationTestCase):
+	def setUp(self):
+		self.create_company()
+		self.create_supplier()
+		self.create_item()
+		self.clear_old_entries()
+
+	def tearDown(self):
+		frappe.db.rollback()
+
+	def create_purchase_invoice(self, do_not_submit=False):
+		frappe.set_user("Administrator")
+		pi = make_purchase_invoice(
+			item=self.item,
+			company=self.company,
+			supplier=self.supplier,
+			is_return=False,
+			update_stock=False,
+			posting_date=frappe.utils.datetime.date(2021, 5, 1),
+			do_not_save=1,
+			rate=300,
+			price_list_rate=300,
+			qty=1,
+		)
+
+		pi = pi.save()
+		if not do_not_submit:
+			pi = pi.submit()
+		return pi
+
+	def test_basic_supplier_ledger_summary(self):
+		self.create_purchase_invoice()
+
+		filters = {"company": self.company, "from_date": today(), "to_date": today()}
+
+		expected = {
+			"party": "_Test Supplier",
+			"party_name": "_Test Supplier",
+			"opening_balance": 0,
+			"invoiced_amount": 300.0,
+			"paid_amount": 0,
+			"return_amount": 0,
+			"closing_balance": 300.0,
+			"currency": "INR",
+			"supplier_name": "_Test Supplier",
+		}
+
+		report_output = execute(filters)[1]
+		self.assertEqual(len(report_output), 1)
+		for field in expected:
+			with self.subTest(field=field):
+				self.assertEqual(report_output[0].get(field), expected.get(field))