require 'spec_helper' describe Aerosol::Env do describe '#deploy' do let(:name) { "unique_name_#{Time.now.to_i}".to_sym } let!(:deploy) { Aerosol.deploy(name) { } } it 'adds a deploy to the list of deploys' do expect { subject.deploy(name) } .to change { subject.deploy } .from(nil) .to([deploy]) end end end