test: add test cases for BOM Stock Calculated report

erpnext/manufacturing/report/bom_stock_calculated/test_bom_stock_calculated.py

@@ -0,0 +1,115 @@
+# Copyright (c) 2022, Frappe Technologies Pvt. Ltd. and contributors
+# For license information, please see license.txt
+
+from frappe.tests.utils import FrappeTestCase
+
+from erpnext.manufacturing.doctype.production_plan.test_production_plan import make_bom
+from erpnext.manufacturing.report.bom_stock_calculated.bom_stock_calculated import (
+	execute as bom_stock_calculated_report,
+)
+from erpnext.stock.doctype.item.test_item import make_item
+
+
+class TestBOMStockCalculated(FrappeTestCase):
+	def setUp(self):
+		self.fg_item, self.rm_items = create_items()
+		self.boms = create_boms(self.fg_item, self.rm_items)
+
+	def test_bom_stock_calculated(self):
+		qty_to_make = 10
+
+		# Case 1: When Item(s) Qty and Stock Qty are equal.
+		data = bom_stock_calculated_report(
+			filters={
+				"qty_to_make": qty_to_make,
+				"bom": self.boms[0].name,
+			}
+		)[1]
+		expected_data = get_expected_data(self.boms[0], qty_to_make)
+		self.assertSetEqual(set(tuple(x) for x in data), set(tuple(x) for x in expected_data))
+
+		# Case 2: When Item(s) Qty and Stock Qty are different and BOM Qty is 1.
+		data = bom_stock_calculated_report(
+			filters={
+				"qty_to_make": qty_to_make,
+				"bom": self.boms[1].name,
+			}
+		)[1]
+		expected_data = get_expected_data(self.boms[1], qty_to_make)
+		self.assertSetEqual(set(tuple(x) for x in data), set(tuple(x) for x in expected_data))
+
+		# Case 3: When Item(s) Qty and Stock Qty are different and BOM Qty is greater than 1.
+		data = bom_stock_calculated_report(
+			filters={
+				"qty_to_make": qty_to_make,
+				"bom": self.boms[2].name,
+			}
+		)[1]
+		expected_data = get_expected_data(self.boms[2], qty_to_make)
+		self.assertSetEqual(set(tuple(x) for x in data), set(tuple(x) for x in expected_data))
+
+
+def create_items():
+	fg_item = make_item(properties={"is_stock_item": 1}).name
+	rm_item1 = make_item(
+		properties={
+			"is_stock_item": 1,
+			"standard_rate": 100,
+			"opening_stock": 100,
+			"last_purchase_rate": 100,
+		}
+	).name
+	rm_item2 = make_item(
+		properties={
+			"is_stock_item": 1,
+			"standard_rate": 200,
+			"opening_stock": 200,
+			"last_purchase_rate": 200,
+		}
+	).name
+
+	return fg_item, [rm_item1, rm_item2]
+
+
+def create_boms(fg_item, rm_items):
+	def update_bom_items(bom, uom, conversion_factor):
+		for item in bom.items:
+			item.uom = uom
+			item.conversion_factor = conversion_factor
+
+		return bom
+
+	bom1 = make_bom(item=fg_item, quantity=1, raw_materials=rm_items, rm_qty=10)
+
+	bom2 = make_bom(item=fg_item, quantity=1, raw_materials=rm_items, rm_qty=10, do_not_submit=True)
+	bom2 = update_bom_items(bom2, "Box", 10)
+	bom2.save()
+	bom2.submit()
+
+	bom3 = make_bom(item=fg_item, quantity=2, raw_materials=rm_items, rm_qty=10, do_not_submit=True)
+	bom3 = update_bom_items(bom3, "Box", 10)
+	bom3.save()
+	bom3.submit()
+
+	return [bom1, bom2, bom3]
+
+
+def get_expected_data(bom, qty_to_make):
+	expected_data = []
+
+	for idx in range(len(bom.items)):
+		expected_data.append(
+			[
+				bom.items[idx].item_code,
+				bom.items[idx].item_code,
+				"",
+				"",
+				float(bom.items[idx].stock_qty / bom.quantity),
+				float(100 * (idx + 1)),
+				float(qty_to_make * (bom.items[idx].stock_qty / bom.quantity)),
+				float((100 * (idx + 1)) - (qty_to_make * (bom.items[idx].stock_qty / bom.quantity))),
+				float(100 * (idx + 1)),
+			]
+		)
+
+	return expected_data