test: add tests for checking stock_uom with bin
diff --git a/erpnext/stock/doctype/item/test_item.py b/erpnext/stock/doctype/item/test_item.py
index 9694927..8df12a3 100644
--- a/erpnext/stock/doctype/item/test_item.py
+++ b/erpnext/stock/doctype/item/test_item.py
@@ -514,6 +514,35 @@
attrs = get_item_attribute("Test Size", attribute_value="extra")
self.assertEqual(attrs, [{'attribute_value': 'Extra Small'}, {'attribute_value': 'Extra Large'}])
+ def test_check_stock_uom_with_bin(self):
+ # this item has opening stock and stock_uom set in test_records.
+ item = frappe.get_doc("Item", "_Test Item")
+ item.stock_uom = "Gram"
+ self.assertRaises(frappe.ValidationError, item.save)
+
+ def test_check_stock_uom_with_bin_no_sle(self):
+ from erpnext.stock.stock_balance import update_bin_qty
+ item = create_item("_Item with bin qty")
+ item.stock_uom = "Gram"
+ item.save()
+
+ update_bin_qty(item.item_code, "_Test Warehouse - _TC", {
+ "reserved_qty": 10
+ })
+
+ item.stock_uom = "Kilometer"
+ self.assertRaises(frappe.ValidationError, item.save)
+
+ update_bin_qty(item.item_code, "_Test Warehouse - _TC", {
+ "reserved_qty": 0
+ })
+
+ item.load_from_db()
+ item.stock_uom = "Kilometer"
+ try:
+ item.save()
+ except frappe.ValidationError as e:
+ self.fail(f"UoM change not allowed even though no SLE / BIN with positive qty exists: {e}")
def set_item_variant_settings(fields):