move advance_to_payment on order's details page from edit to update

app/controllers/spree/admin/orders_controller.rb

@@ -44,8 +44,6 @@ module Spree
 
       def edit
         @order.shipments.map(&:refresh_rates)
-
-        OrderWorkflow.new(@order).advance_to_payment
         @order.errors.clear
       end
 
@@ -53,6 +51,7 @@ module Spree
         on_update
 
         if params[:set_distribution_step] && @order.update(order_params)
+          OrderWorkflow.new(@order).advance_to_payment if @order.state.in? ["cart", "address", "delivery"]
           return redirect_to spree.admin_order_customer_path(@order)
         end
 
@@ -65,6 +64,7 @@ module Spree
           return redirect_to spree.edit_admin_order_path(@order)
         end
 
+        OrderWorkflow.new(@order).advance_to_payment if @order.state.in? ["cart", "address", "delivery"]
         if @order.complete?
           redirect_to spree.edit_admin_order_path(@order)
         else

spec/controllers/spree/admin/orders_controller_spec.rb

@@ -8,12 +8,6 @@ describe Spree::Admin::OrdersController, type: :controller do
 
     before { controller_login_as_admin }
 
-    it "advances the order state" do
-      expect {
-        spree_get :edit, id: order
-      }.to change { order.reload.state }.from("cart").to("payment")
-    end
-
     describe "view" do
       render_views
 
@@ -229,9 +223,19 @@ describe Spree::Admin::OrdersController, type: :controller do
       end
 
       context "with line items" do
+        let!(:distributor){ create(:distributor_enterprise) }
+        let!(:shipment){ create(:shipment) }
+        let!(:order_cycle){ create(:simple_order_cycle, distributors: [distributor], variants: [line_item.variant]) }
+
         before do
+          line_item.product.supplier = distributor
+          order.shipments << shipment
           order.line_items << line_item
-          order.save
+          distributor.shipping_methods << shipment.shipping_method
+          order.select_shipping_method(shipment.shipping_method.id)
+          order.save!
+          params[:order][:distributor_id] = distributor.id
+          params[:order][:order_cycle_id] = order_cycle.id
           params[:order][:line_items_attributes] =
             [{ id: line_item.id, quantity: line_item.quantity }]
         end
@@ -239,9 +243,11 @@ describe Spree::Admin::OrdersController, type: :controller do
         context "and no errors" do
           it "updates distribution charges and redirects to payments  page" do
             expect_any_instance_of(Spree::Order).to receive(:recreate_all_fees!)
+            allow_any_instance_of(Spree::Order).to receive(:ensure_available_shipping_rates).and_return(true)
 
-            spree_put :update, params
-
+            expect {
+              spree_put :update, params
+            }.to change { order.reload.state }.from("cart").to("payment")
             expect(response).to redirect_to spree.admin_order_payments_path(order)
           end
         end