diff --git a/erpnext/selling/report/sales_order_analysis/test_sales_order_analysis.py b/erpnext/selling/report/sales_order_analysis/test_sales_order_analysis.py
new file mode 100644
index 0000000..25cbb73
--- /dev/null
+++ b/erpnext/selling/report/sales_order_analysis/test_sales_order_analysis.py
@@ -0,0 +1,166 @@
+import frappe
+from frappe.tests.utils import FrappeTestCase
+from frappe.utils import add_days
+
+from erpnext.selling.doctype.sales_order.sales_order import make_delivery_note, make_sales_invoice
+from erpnext.selling.doctype.sales_order.test_sales_order import make_sales_order
+from erpnext.selling.report.sales_order_analysis.sales_order_analysis import execute
+from erpnext.stock.doctype.item.test_item import create_item
+
+test_dependencies = ["Sales Order", "Item", "Sales Invoice", "Delivery Note"]
+
+
+class TestSalesOrderAnalysis(FrappeTestCase):
+	def create_sales_order(self, transaction_date):
+		item = create_item(item_code="_Test Excavator", is_stock_item=0)
+		so = make_sales_order(
+			transaction_date=transaction_date,
+			item=item.item_code,
+			qty=10,
+			rate=100000,
+			do_not_save=True,
+		)
+		so.po_no = ""
+		so.taxes_and_charges = ""
+		so.taxes = ""
+		so.items[0].delivery_date = add_days(transaction_date, 15)
+		so.save()
+		so.submit()
+		return item, so
+
+	def create_sales_invoice(self, so):
+		sinv = make_sales_invoice(so.name)
+		sinv.posting_date = so.transaction_date
+		sinv.taxes_and_charges = ""
+		sinv.taxes = ""
+		sinv.insert()
+		sinv.submit()
+		return sinv
+
+	def create_delivery_note(self, so):
+		dn = make_delivery_note(so.name)
+		dn.set_posting_time = True
+		dn.posting_date = add_days(so.transaction_date, 1)
+		dn.save()
+		dn.submit()
+		return dn
+
+	def test_01_so_to_deliver_and_bill(self):
+		transaction_date = "2021-06-01"
+		item, so = self.create_sales_order(transaction_date)
+		columns, data, message, chart = execute(
+			{
+				"company": "_Test Company",
+				"from_date": "2021-06-01",
+				"to_date": "2021-06-30",
+				"status": ["To Deliver and Bill"],
+			}
+		)
+		expected_value = {
+			"status": "To Deliver and Bill",
+			"sales_order": so.name,
+			"delay_days": frappe.utils.date_diff(frappe.utils.datetime.date.today(), so.delivery_date),
+			"qty": 10,
+			"delivered_qty": 0,
+			"pending_qty": 10,
+			"qty_to_bill": 10,
+			"time_taken_to_deliver": 0,
+		}
+		self.assertEqual(len(data), 1)
+		for key, val in expected_value.items():
+			with self.subTest(key=key, val=val):
+				self.assertEqual(data[0][key], val)
+
+	def test_02_so_to_deliver(self):
+		transaction_date = "2021-06-01"
+		item, so = self.create_sales_order(transaction_date)
+		self.create_sales_invoice(so)
+		columns, data, message, chart = execute(
+			{
+				"company": "_Test Company",
+				"from_date": "2021-06-01",
+				"to_date": "2021-06-30",
+				"status": ["To Deliver"],
+			}
+		)
+		expected_value = {
+			"status": "To Deliver",
+			"sales_order": so.name,
+			"delay_days": frappe.utils.date_diff(frappe.utils.datetime.date.today(), so.delivery_date),
+			"qty": 10,
+			"delivered_qty": 0,
+			"pending_qty": 10,
+			"qty_to_bill": 0,
+			"time_taken_to_deliver": 0,
+		}
+		self.assertEqual(len(data), 1)
+		for key, val in expected_value.items():
+			with self.subTest(key=key, val=val):
+				self.assertEqual(data[0][key], val)
+
+	def test_03_so_to_bill(self):
+		transaction_date = "2021-06-01"
+		item, so = self.create_sales_order(transaction_date)
+		self.create_delivery_note(so)
+		columns, data, message, chart = execute(
+			{
+				"company": "_Test Company",
+				"from_date": "2021-06-01",
+				"to_date": "2021-06-30",
+				"status": ["To Bill"],
+			}
+		)
+		expected_value = {
+			"status": "To Bill",
+			"sales_order": so.name,
+			"delay_days": frappe.utils.date_diff(frappe.utils.datetime.date.today(), so.delivery_date),
+			"qty": 10,
+			"delivered_qty": 10,
+			"pending_qty": 0,
+			"qty_to_bill": 10,
+			"time_taken_to_deliver": 86400,
+		}
+		self.assertEqual(len(data), 1)
+		for key, val in expected_value.items():
+			with self.subTest(key=key, val=val):
+				self.assertEqual(data[0][key], val)
+
+	def test_04_so_completed(self):
+		transaction_date = "2021-06-01"
+		item, so = self.create_sales_order(transaction_date)
+		self.create_sales_invoice(so)
+		self.create_delivery_note(so)
+		columns, data, message, chart = execute(
+			{
+				"company": "_Test Company",
+				"from_date": "2021-06-01",
+				"to_date": "2021-06-30",
+				"status": ["Completed"],
+			}
+		)
+		expected_value = {
+			"status": "Completed",
+			"sales_order": so.name,
+			"delay_days": frappe.utils.date_diff(frappe.utils.datetime.date.today(), so.delivery_date),
+			"qty": 10,
+			"delivered_qty": 10,
+			"pending_qty": 0,
+			"qty_to_bill": 0,
+			"billed_qty": 10,
+			"time_taken_to_deliver": 86400,
+		}
+		self.assertEqual(len(data), 1)
+		for key, val in expected_value.items():
+			with self.subTest(key=key, val=val):
+				self.assertEqual(data[0][key], val)
+
+	def test_05_all_so_status(self):
+		columns, data, message, chart = execute(
+			{
+				"company": "_Test Company",
+				"from_date": "2021-06-01",
+				"to_date": "2021-06-30",
+			}
+		)
+		# SO's from first 4 test cases should be in output
+		self.assertEqual(len(data), 4)