describe "brew ruby", :integration_test do it "executes ruby code with Homebrew's libraries loaded" do expect { brew "ruby", "-e", "exit 0" } .to be_a_success .and not_to_output.to_stdout .and not_to_output.to_stderr expect { brew "ruby", "-e", "exit 1" } .to be_a_failure .and not_to_output.to_stdout .and not_to_output.to_stderr end end