From cc61daeec4fc78f0c50af44db62998d12b2d5ea5 Mon Sep 17 00:00:00 2001
From: ruthra kumar <ruthra@erpnext.com>
Date: Sun, 5 Feb 2023 14:48:29 +0530
Subject: [PATCH] test: Gross Profit report output for Cr notes

2 New test cases added.
1. Standalone Cr notes will be reported as normal Invoices
2. Cr notes against an Invoice will not overallocate qty if there are
multiple instances of same item
---
 .../report/gross_profit/test_gross_profit.py  | 79 +++++++++++++++++++
 1 file changed, 79 insertions(+)

diff --git a/erpnext/accounts/report/gross_profit/test_gross_profit.py b/erpnext/accounts/report/gross_profit/test_gross_profit.py
index 21681bef5b..82fe1a0ba1 100644
--- a/erpnext/accounts/report/gross_profit/test_gross_profit.py
+++ b/erpnext/accounts/report/gross_profit/test_gross_profit.py
@@ -381,3 +381,82 @@ class TestGrossProfit(FrappeTestCase):
 		}
 		gp_entry = [x for x in data if x.parent_invoice == sinv.name]
 		self.assertDictContainsSubset(expected_entry, gp_entry[0])
+
+	def test_crnote_against_invoice_with_multiple_instances_of_same_item(self):
+		"""
+		Item Qty for Sales Invoices with multiple instances of same item go in the -ve. Ideally, the credit noteshould cancel out the invoice items.
+		"""
+		from erpnext.accounts.doctype.sales_invoice.sales_invoice import make_sales_return
+
+		# Invoice with an item added twice
+		sinv = self.create_sales_invoice(qty=1, rate=100, posting_date=nowdate(), do_not_submit=True)
+		sinv.append("items", frappe.copy_doc(sinv.items[0], ignore_no_copy=False))
+		sinv = sinv.save().submit()
+
+		# Create Credit Note for Invoice
+		cr_note = make_sales_return(sinv.name)
+		cr_note = cr_note.save().submit()
+
+		filters = frappe._dict(
+			company=self.company, from_date=nowdate(), to_date=nowdate(), group_by="Invoice"
+		)
+
+		columns, data = execute(filters=filters)
+		expected_entry = {
+			"parent_invoice": sinv.name,
+			"currency": "INR",
+			"sales_invoice": self.item,
+			"customer": self.customer,
+			"posting_date": frappe.utils.datetime.date.fromisoformat(nowdate()),
+			"item_code": self.item,
+			"item_name": self.item,
+			"warehouse": "Stores - _GP",
+			"qty": 0.0,
+			"avg._selling_rate": 0.0,
+			"valuation_rate": 0.0,
+			"selling_amount": -100.0,
+			"buying_amount": 0.0,
+			"gross_profit": -100.0,
+			"gross_profit_%": 100.0,
+		}
+		gp_entry = [x for x in data if x.parent_invoice == sinv.name]
+		# Both items of Invoice should have '0' qty
+		self.assertEqual(len(gp_entry), 2)
+		self.assertDictContainsSubset(expected_entry, gp_entry[0])
+		self.assertDictContainsSubset(expected_entry, gp_entry[1])
+
+	def test_standalone_cr_notes(self):
+		"""
+		Standalone cr notes will be reported as usual
+		"""
+		# Make Cr Note
+		sinv = self.create_sales_invoice(
+			qty=-1, rate=100, posting_date=nowdate(), do_not_save=True, do_not_submit=True
+		)
+		sinv.is_return = 1
+		sinv = sinv.save().submit()
+
+		filters = frappe._dict(
+			company=self.company, from_date=nowdate(), to_date=nowdate(), group_by="Invoice"
+		)
+
+		columns, data = execute(filters=filters)
+		expected_entry = {
+			"parent_invoice": sinv.name,
+			"currency": "INR",
+			"sales_invoice": self.item,
+			"customer": self.customer,
+			"posting_date": frappe.utils.datetime.date.fromisoformat(nowdate()),
+			"item_code": self.item,
+			"item_name": self.item,
+			"warehouse": "Stores - _GP",
+			"qty": -1.0,
+			"avg._selling_rate": 100.0,
+			"valuation_rate": 0.0,
+			"selling_amount": -100.0,
+			"buying_amount": 0.0,
+			"gross_profit": -100.0,
+			"gross_profit_%": 100.0,
+		}
+		gp_entry = [x for x in data if x.parent_invoice == sinv.name]
+		self.assertDictContainsSubset(expected_entry, gp_entry[0])