test: add coverage for Item Price Stock report

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>

erpnext/stock/report/item_price_stock/test_item_price_stock.py

@@ -0,0 +1,44 @@
+# Copyright (c) 2026, Frappe Technologies Pvt. Ltd. and Contributors
+# See license.txt
+
+import frappe
+
+from erpnext.stock.doctype.item.test_item import make_item
+from erpnext.stock.doctype.stock_entry.stock_entry_utils import make_stock_entry
+from erpnext.stock.report.item_price_stock.item_price_stock import execute
+from erpnext.tests.utils import ERPNextTestSuite
+
+
+class TestItemPriceStock(ERPNextTestSuite):
+	def run_report(self, **extra):
+		return execute(frappe._dict(extra))[1]
+
+	def test_price_and_stock_shown(self):
+		item = make_item(properties={"is_stock_item": 1}).name
+
+		frappe.get_doc(
+			{
+				"doctype": "Item Price",
+				"item_code": item,
+				"price_list": "Standard Selling",
+				"price_list_rate": 300,
+			}
+		).insert()
+
+		make_stock_entry(
+			item_code=item,
+			to_warehouse="_Test Warehouse - _TC",
+			qty=7,
+			rate=100,
+			posting_date="2026-06-01",
+		)
+
+		rows = self.run_report(item_code=item)
+		warehouse_rows = [row for row in rows if row["warehouse"] == "_Test Warehouse - _TC"]
+
+		self.assertEqual(len(warehouse_rows), 1)
+		row = warehouse_rows[0]
+		self.assertEqual(row["item_code"], item)
+		self.assertEqual(row["selling_price_list"], "Standard Selling")
+		self.assertEqual(row["selling_rate"], 300)
+		self.assertEqual(row["stock_available"], 7)