require 'spec_helper' include Specinfra::Helper::RedHat describe port(80) do it { should be_listening } end describe port('invalid') do it { should_not be_listening } end describe port(80) do it { should be_listening.with("tcp") } end describe port(123) do it { should be_listening.with("udp") } end describe port(80) do it { expect { should be_listening.with('not implemented') }.to raise_error(ArgumentError, %r/\A`be_listening` matcher doesn\'t support/) } end