gistfile1.rb

  context 'Benchmarking' do
    setup do
      100000.times { |i| Artist.make! }
    end
  
    should 'do lots of work' do
      require 'benchmark'
      Benchmark.bm do |x|
        x.report { Artist.random }
        x.report { Artist.random(5) }
        x.report { Artist.random(rand(1000)) }
      end
    end
  end