spec added

spec/factories/gift_cards.rb

@@ -46,4 +46,11 @@
     amount             { 100.00 }
     authorization_code { "#{gift_card.id}-SC-20140602164814476128" }
   end
+
+  factory :gift_card_capture_transaction, class: Spree::GiftCardTransaction do
+    gift_card
+    action             { Spree::GiftCard::CAPTURE_ACTION }
+    amount             { 100.00 }
+    authorization_code { "#{gift_card.id}-SC-20140602164814476128" }
+  end
 end

spec/models/spree/gift_card_transaction_spec.rb

@@ -1,8 +1,23 @@
 require 'spec_helper'
 
 describe Spree::GiftCardTransaction do
+  let(:gift_card_authorize_transaction) { FactoryBot.create(:gift_card_transaction) }
+  let(:gift_card_capture_transaction) { FactoryBot.create(:gift_card_capture_transaction) }
+
   it { is_expected.to belong_to(:gift_card) }
   it { is_expected.to belong_to(:order) }
   it { is_expected.to validate_presence_of(:amount) }
   it { is_expected.to validate_presence_of(:gift_card) }
+
+  describe 'scope' do
+    describe 'authorize' do
+      it 'is expected to include gift card authorize transactions' do
+        expect(Spree::GiftCardTransaction.authorize).to include(gift_card_authorize_transaction)
+      end
+
+      it 'is expect to not include gift card capture transactions' do
+        expect(Spree::GiftCardTransaction.authorize).not_to include(gift_card_capture_transaction)
+      end
+    end
+  end
 end