Add 'Voucher:' before voucher code on edit cart page. Add spec correspondigly

app/views/spree/orders/_form.html.haml

@@ -34,7 +34,10 @@
         - checkout_adjustments_for(@order, exclude: [:line_item]).reverse_each do |adjustment|
           %tr.order-adjustment
             %td.text-right{:colspan => "3"}
-              = adjustment.label
+              - if adjustment.originator_type == "Voucher"
+                = t(:order_voucher_label, code: adjustment.label)
+              - else
+                = adjustment.label
             %td.text-right.total
               %span= adjustment.display_amount.to_html
             %td

config/locales/en.yml

@@ -2455,6 +2455,7 @@ en:
   order_back_to_store: Back To Store
   order_back_to_cart: Back To Cart
   order_back_to_website: Back To Website
+  order_voucher_label: "Voucher: %{code}"
   checkout_details_title: Checkout Details
   checkout_payment_title: Checkout Payment
   checkout_summary_title: Checkout Summary

spec/views/spree/orders/edit.html.haml_spec.rb

@@ -31,4 +31,28 @@ RSpec.describe "spree/orders/edit.html.haml" do
       expect(rendered).to have_selector(".unit-price")
     end
   end
+
+  describe "display adjustments" do
+    let(:voucher) { create(:voucher, enterprise: order.distributor) }
+
+    before do
+      voucher.create_adjustment(voucher.code, order)
+      OrderManagement::Order::Updater.new(order).update_voucher
+      render
+    end
+
+    it "includes Voucher text with label" do
+      expect(rendered).to include("Voucher: #{voucher.code}")
+    end
+
+    # shipping fee is derived from 'completed_order_with_fees' factory, it applies when using shipping method such as Home Delivery.
+    it "includes Shipping label" do
+      expect(rendered).to include("Shipping")
+    end
+
+    # transaction fee is derived from 'completed_order_with_fees' factory, it applies when using payment methods such as Check & Stripe.
+    it "includes Transaction fee label" do
+      expect(rendered).to include("Transaction fee")
+    end
+  end
 end