require 'rails_helper' describe Recipient do describe "Save" do it "should convert the recipient_id_array into the recipient_ids attribute" do recipient_list = RecipientList.create(name: 'Name', recipient_id_array: ['', '1', '2', '3']) expect(recipient_list).to be_a(RecipientList) expect(recipient_list).to be_persisted expect(recipient_list.recipient_ids).to eq('1,2,3') recipient_list.update(recipient_id_array: ['3', '', '4', '5', '6']) expect(recipient_list.reload.recipient_ids).to eq('3,4,5,6') end end end