test: add test cases for `BOM Stock Report`
diff --git a/erpnext/manufacturing/report/bom_stock_report/test_bom_stock_report.py b/erpnext/manufacturing/report/bom_stock_report/test_bom_stock_report.py
new file mode 100644
index 0000000..1c56ebe
--- /dev/null
+++ b/erpnext/manufacturing/report/bom_stock_report/test_bom_stock_report.py
@@ -0,0 +1,108 @@
+# Copyright (c) 2022, Frappe Technologies Pvt. Ltd. and contributors
+# For license information, please see license.txt
+
+
+import frappe
+from frappe.exceptions import ValidationError
+from frappe.tests.utils import FrappeTestCase
+from frappe.utils import floor
+
+from erpnext.manufacturing.doctype.production_plan.test_production_plan import make_bom
+from erpnext.manufacturing.report.bom_stock_report.bom_stock_report import (
+ get_bom_stock as bom_stock_report,
+)
+from erpnext.stock.doctype.item.test_item import make_item
+from erpnext.stock.doctype.stock_entry.test_stock_entry import make_stock_entry
+
+
+class TestBomStockReport(FrappeTestCase):
+ def setUp(self):
+ self.warehouse = "_Test Warehouse - _TC"
+ self.fg_item, self.rm_items = create_items()
+ make_stock_entry(target=self.warehouse, item_code=self.rm_items[0], qty=20, basic_rate=100)
+ make_stock_entry(target=self.warehouse, item_code=self.rm_items[1], qty=40, basic_rate=200)
+ self.bom = make_bom(item=self.fg_item, quantity=1, raw_materials=self.rm_items, rm_qty=10)
+
+ def test_bom_stock_report(self):
+ # Test 1: When `qty_to_produce` is 0.
+ filters = frappe._dict(
+ {
+ "bom": self.bom.name,
+ "warehouse": "Stores - _TC",
+ "qty_to_produce": 0,
+ }
+ )
+ self.assertRaises(ValidationError, bom_stock_report, filters)
+
+ # Test 2: When stock is not available.
+ data = bom_stock_report(
+ frappe._dict(
+ {
+ "bom": self.bom.name,
+ "warehouse": "Stores - _TC",
+ "qty_to_produce": 1,
+ }
+ )
+ )
+ expected_data = get_expected_data(self.bom, "Stores - _TC", 1)
+ self.assertSetEqual(set(tuple(x) for x in data), set(tuple(x) for x in expected_data))
+
+ # Test 3: When stock is available.
+ data = bom_stock_report(
+ frappe._dict(
+ {
+ "bom": self.bom.name,
+ "warehouse": self.warehouse,
+ "qty_to_produce": 1,
+ }
+ )
+ )
+ expected_data = get_expected_data(self.bom, self.warehouse, 1)
+ 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 get_expected_data(bom, warehouse, qty_to_produce, show_exploded_view=False):
+ expected_data = []
+
+ for item in bom.get("exploded_items") if show_exploded_view else bom.get("items"):
+ in_stock_qty = frappe.get_cached_value(
+ "Bin", {"item_code": item.item_code, "warehouse": warehouse}, "actual_qty"
+ )
+
+ expected_data.append(
+ [
+ item.item_code,
+ item.description,
+ item.stock_qty,
+ item.stock_uom,
+ item.stock_qty * qty_to_produce / bom.quantity,
+ in_stock_qty,
+ floor(in_stock_qty / (item.stock_qty * qty_to_produce / bom.quantity))
+ if in_stock_qty
+ else None,
+ ]
+ )
+
+ return expected_data