Fix fatal error in reports helper for orders without payments

app/helpers/spree/reports_helper.rb

@@ -11,10 +11,13 @@ module Spree
     end
 
     def report_payment_method_options(orders)
-      orders.map do |o|
+      orders.map do |order|
-        pm = o.payments.first.payment_method
+        payment_method = order.payments.first.andand.payment_method
-        [pm.andand.name, pm.andand.id]
+
-      end.uniq
+        next unless payment_method
+
+        [payment_method.name, payment_method.id]
+      end.compact.uniq
     end
 
     def report_shipping_method_options(orders)

spec/helpers/spree/admin/reports_helper_spec.rb

@@ -0,0 +1,25 @@
+# frozen_string_literal: true
+
+require 'spec_helper'
+
+
+describe Spree::ReportsHelper, type: :helper do
+  describe "#report_payment_method_options" do
+    let(:order_with_payments) { create(:order_ready_to_ship) }
+    let(:order_without_payments) { create(:order_with_line_items) }
+    let(:orders) { [order_with_payments, order_without_payments] }
+    let(:payment_method) { order_with_payments.payments.first.payment_method }
+
+    it "returns payment method select options for given orders" do
+      select_options = helper.report_payment_method_options([order_with_payments])
+
+      expect(select_options).to eq [[payment_method.name, payment_method.id]]
+    end
+
+    it "handles orders that don't have payments, without error" do
+      select_options = helper.report_payment_method_options(orders)
+
+      expect(select_options).to eq [[payment_method.name, payment_method.id]]
+    end
+  end
+end