require "open3" RSpec.describe "ARGV-check" do it 'given 9, return "smaller\n"' do workshop = "#{ENV['HOME']}/ruby_learner/workshop" stdout, stderr, status = Open3.capture3("ruby #{workshop}/lib/workplace.rb 9") expect { puts stdout }.to output("smaller\n").to_stdout end it 'given 10, return "greater\n"' do workshop = "#{ENV['HOME']}/ruby_learner/workshop" stdout, stderr, status = Open3.capture3("ruby #{workshop}/lib/workplace.rb 10") expect { puts stdout }.to output("greater\n").to_stdout end end