test: add coverage for Work Order Consumed Materials report

erpnext/manufacturing/report/work_order_consumed_materials/test_work_order_consumed_materials.py

@@ -0,0 +1,105 @@
+# Copyright (c) 2026, Frappe Technologies Pvt. Ltd. and Contributors
+# See license.txt
+
+import frappe
+from frappe.utils import add_days, nowdate
+
+from erpnext.manufacturing.doctype.work_order.mapper import make_stock_entry
+from erpnext.manufacturing.doctype.work_order.test_work_order import make_wo_order_test_record
+from erpnext.manufacturing.report.work_order_consumed_materials.work_order_consumed_materials import execute
+from erpnext.stock.doctype.stock_entry import test_stock_entry
+from erpnext.tests.utils import ERPNextTestSuite
+
+
+class TestWorkOrderConsumedMaterials(ERPNextTestSuite):
+	def run_report(self, **extra):
+		filters = frappe._dict(
+			{
+				"company": "_Test Company",
+				"from_date": add_days(nowdate(), -1),
+				"to_date": add_days(nowdate(), 1),
+			}
+		)
+		filters.update(extra)
+		return execute(filters)[1]
+
+	def make_manufactured_work_order(self, qty=2):
+		"""Create a submitted WO, stock its raw materials, transfer and fully manufacture it."""
+		wo = make_wo_order_test_record(production_item="_Test FG Item", qty=qty, company="_Test Company")
+
+		for item in wo.required_items:
+			test_stock_entry.make_stock_entry(
+				item_code=item.item_code,
+				target=wo.wip_warehouse,
+				qty=item.required_qty,
+				basic_rate=100,
+			)
+
+		transfer = frappe.get_doc(make_stock_entry(wo.name, "Material Transfer for Manufacture", qty))
+		transfer.insert()
+		transfer.submit()
+
+		manufacture = frappe.get_doc(make_stock_entry(wo.name, "Manufacture", qty))
+		manufacture.insert()
+		manufacture.submit()
+
+		wo.reload()
+		return wo
+
+	def get_wo_rows(self, data, work_order):
+		"""The report blanks parent fields after the first raw-material row, so match by raw
+		material's parent work order instead of the (blanked) `name` column."""
+		return [row for row in data if row.get("parent") == work_order]
+
+	def test_consumed_materials_reported_after_manufacture(self):
+		wo = self.make_manufactured_work_order(qty=2)
+
+		# fully producing the WO consumes exactly the required quantity of each raw material
+		self.assertEqual(wo.produced_qty, 2)
+
+		data = self.run_report()
+		rows = self.get_wo_rows(data, wo.name)
+
+		self.assertEqual(len(rows), len(wo.required_items))
+
+		reported = {row["raw_material_item_code"]: row for row in rows}
+		for item in wo.required_items:
+			row = reported[item.item_code]
+			self.assertEqual(row["required_qty"], item.required_qty)
+			self.assertEqual(row["transferred_qty"], item.required_qty)
+			self.assertEqual(row["consumed_qty"], item.required_qty)
+			# no over-consumption in a clean full manufacture
+			self.assertEqual(row["extra_consumed_qty"], 0.0)
+			self.assertEqual(row["returned_qty"], 0.0)
+
+		# parent columns are populated on the first row only
+		first = rows[0]
+		self.assertEqual(first["status"], wo.status)
+		self.assertEqual(first["production_item"], "_Test FG Item")
+		self.assertEqual(first["qty"], 2)
+		self.assertEqual(first["produced_qty"], 2)
+
+	def test_work_order_filter_scopes_output(self):
+		wo = self.make_manufactured_work_order(qty=1)
+
+		data = self.run_report(name=wo.name)
+
+		parents = {row.get("parent") for row in data}
+		self.assertEqual(parents, {wo.name})
+		self.assertTrue(data)
+
+	def test_draft_work_order_is_excluded(self):
+		# report only lists WOs in status In Process / Completed / Stopped
+		draft = make_wo_order_test_record(
+			production_item="_Test FG Item", qty=1, company="_Test Company", do_not_submit=True
+		)
+
+		data = self.run_report()
+		self.assertNotIn(draft.name, {row.get("parent") for row in data})
+
+	def test_date_range_filter_excludes_work_order(self):
+		wo = self.make_manufactured_work_order(qty=1)
+
+		# a window that ends before the WO was created must not include it
+		data = self.run_report(from_date=add_days(nowdate(), -10), to_date=add_days(nowdate(), -5))
+		self.assertNotIn(wo.name, {row.get("parent") for row in data})