refactor: test suite for item-wise sales register

erpnext/accounts/report/item_wise_sales_register/test_item_wise_sales_register.py

@@ -0,0 +1,64 @@
+import frappe
+from frappe.tests.utils import FrappeTestCase
+from frappe.utils import getdate, today
+
+from erpnext.accounts.doctype.sales_invoice.test_sales_invoice import create_sales_invoice
+from erpnext.accounts.report.item_wise_sales_register.item_wise_sales_register import execute
+from erpnext.accounts.test.accounts_mixin import AccountsTestMixin
+
+
+class TestItemWiseSalesRegister(AccountsTestMixin, FrappeTestCase):
+	def setUp(self):
+		self.create_company()
+		self.create_customer()
+		self.create_item()
+
+	def tearDown(self):
+		frappe.db.rollback()
+
+	def create_sales_invoice(self, do_not_submit=False):
+		si = create_sales_invoice(
+			item=self.item,
+			company=self.company,
+			customer=self.customer,
+			debit_to=self.debit_to,
+			posting_date=today(),
+			parent_cost_center=self.cost_center,
+			cost_center=self.cost_center,
+			rate=100,
+			price_list_rate=100,
+			do_not_save=1,
+		)
+		si = si.save()
+		if not do_not_submit:
+			si = si.submit()
+		return si
+
+	def test_basic_report_output(self):
+		si = self.create_sales_invoice()
+
+		filters = frappe._dict({"from_date": today(), "to_date": today(), "company": self.company})
+		report = execute(filters)
+
+		self.assertEqual(len(report[1]), 1)
+
+		expected_result = {
+			"item_code": si.items[0].item_code,
+			"invoice": si.name,
+			"posting_date": getdate(),
+			"customer": si.customer,
+			"debit_to": si.debit_to,
+			"company": self.company,
+			"income_account": si.items[0].income_account,
+			"stock_qty": 1.0,
+			"stock_uom": "Nos",
+			"rate": 100.0,
+			"amount": 100.0,
+			"total_tax": 0,
+			"total_other_charges": 0,
+			"total": 100.0,
+			"currency": "INR",
+		}
+
+		report_output = {k: v for k, v in report[1][0].items() if k in expected_result}
+		self.assertDictEqual(report_output, expected_result)