require 'rails_helper' RSpec.describe ApplicationMailbox, type: :mailbox do include ActionMailbox::TestHelper describe 'route the inbound mail to appropriate mailbox' do let(:welcome_mail) { create_inbound_email_from_fixture('welcome.eml') } let(:reply_mail) { create_inbound_email_from_fixture('reply.eml') } it 'catchall mails route to default inbox' do dbl = double expect(DefaultMailbox).to receive(:new).and_return(dbl) expect(dbl).to receive(:perform_processing).and_return(true) described_class.route welcome_mail end it 'routes reply emails to Conversation Mailbox' do dbl = double expect(ConversationMailbox).to receive(:new).and_return(dbl) expect(dbl).to receive(:perform_processing).and_return(true) described_class.route reply_mail end end end