fix(stock entry): calculate transferred quantity using transfer_qty (backport #51656) (#51675)

* fix(stock entry): calculate transferred quantity using transfer_qty

(cherry picked from commit 4e6d86d6f0)

# Conflicts:
#	erpnext/stock/doctype/stock_entry/stock_entry.py

* test: allow from_warehouse while creating material request

(cherry picked from commit 7e99148357)

* test: validate transferred quantity for material transfer entry

(cherry picked from commit bf2ab32abf)

* chore: fix conflicts

---------

Co-authored-by: Navin-S-R <navin@aerele.in>
Co-authored-by: rohitwaghchaure <rohitw1991@gmail.com>

erpnext/stock/doctype/material_request/test_material_request.py

@@ -1004,7 +1004,8 @@ def make_material_request(**args):
 	mr = frappe.new_doc("Material Request")
 	mr.material_request_type = args.material_request_type or "Purchase"
 	mr.company = args.company or "_Test Company"
-	mr.customer = args.customer or "_Test Customer"
+	if mr.material_request_type == "Customer Provided":
+		mr.customer = args.customer or "_Test Customer"
 	mr.append(
 		"items",
 		{
@@ -1013,6 +1014,7 @@ def make_material_request(**args):
 			"uom": args.uom or "_Test UOM",
 			"conversion_factor": args.conversion_factor or 1,
 			"schedule_date": args.schedule_date or today(),
+			"from_warehouse": args.from_warehouse,
 			"warehouse": args.warehouse or "_Test Warehouse - _TC",
 			"cost_center": args.cost_center or "_Test Cost Center - _TC",
 		},

erpnext/stock/doctype/stock_entry/stock_entry.py

@@ -2807,7 +2807,7 @@ class StockEntry(StockController):
 				stock_entries_child_list.append(d.ste_detail)
 				transferred_qty = frappe.get_all(
 					"Stock Entry Detail",
-					fields=["sum(qty) as qty"],
+					fields=["sum(transfer_qty) as qty"],
 					filters={
 						"against_stock_entry": d.against_stock_entry,
 						"ste_detail": d.ste_detail,

erpnext/stock/doctype/stock_entry/test_stock_entry.py

@@ -14,6 +14,13 @@ from erpnext.stock.doctype.item.test_item import (
 	make_item_variant,
 	set_item_variant_settings,
 )
+from erpnext.stock.doctype.material_request.material_request import (
+	make_in_transit_stock_entry,
+)
+from erpnext.stock.doctype.material_request.test_material_request import (
+	get_in_transit_warehouse,
+	make_material_request,
+)
 from erpnext.stock.doctype.serial_and_batch_bundle.test_serial_and_batch_bundle import (
 	get_batch_from_bundle,
 	get_serial_nos_from_bundle,
@@ -2127,6 +2134,59 @@ class TestStockEntry(FrappeTestCase):
 		self.assertEqual(se.purpose, "Repack")
 		self.assertRaises(frappe.ValidationError, se.submit)
 
+	def test_transferred_qty_in_material_transfer(self):
+		item_code = "_Test Item"
+		source_warehouse = "_Test Warehouse - _TC"
+		target_warehouse = "_Test Warehouse 1 - _TC"
+
+		if not frappe.db.get_value("UOM Conversion Detail", {"parent": item_code, "uom": "Box"}):
+			item_doc = frappe.get_doc("Item", item_code)
+			item_doc.append("uoms", {"uom": "Box", "conversion_factor": 12})
+			item_doc.save(ignore_permissions=True)
+
+		make_stock_entry(item_code=item_code, target=source_warehouse, qty=12, rate=100)
+
+		# Create a Material Request for Material Transfer
+		material_request = make_material_request(
+			material_request_type="Material Transfer",
+			qty=1,
+			item_code=item_code,
+			uom="Box",
+			conversion_factor=12,
+			from_warehouse=source_warehouse,
+			warehouse=target_warehouse,
+		)
+		in_transit_wh = get_in_transit_warehouse(material_request.company)
+
+		# Create first Stock Entry (Source -> In-Transit)
+		stock_entry_1 = make_in_transit_stock_entry(material_request.name, in_transit_wh)
+		stock_entry_1.items[0].update(
+			{
+				"qty": 1,
+				"s_warehouse": source_warehouse,
+			}
+		)
+		stock_entry_1.save().submit()
+
+		# Validate transfer status after first transfer
+		material_request.reload()
+		self.assertEqual(material_request.transfer_status, "In Transit")
+
+		# Create final Stock Entry (In-Transit -> Target)
+		end_transit_1 = make_stock_in_entry(stock_entry_1.name)
+		end_transit_1.save().submit()
+		end_transit_1.reload()
+
+		# Validate quantities
+		stock_entry_1.reload()
+		self.assertEqual(stock_entry_1.items[0].qty, 1)
+		self.assertEqual(stock_entry_1.items[0].transfer_qty, 12)
+		self.assertEqual(stock_entry_1.items[0].transferred_qty, 12)
+
+		# Validate transfer status after final transfer
+		material_request.reload()
+		self.assertEqual(material_request.transfer_status, "Completed")
+
 
 def make_serialized_item(**args):
 	args = frappe._dict(args)