The Gherkin Builder API

builder.rb

require 'gherkin'
require 'gherkin/builder'

gherkin = Gherkin::Builder.new do
  feature "Addition" do
    description "In order to avoid silly mistakes..."

    scenario_outline "Add two numbers" do
      step :given, "I have entered <input_1> into the calculator"
      step :and,   "I have entered <input_2> into the calculator"
      step :when,  "I press <button>"
      step :then,  "the result should be <output> on the screen"

      examples "Needs a default" do
        row ["input_1", "input_2", "button", "output"]
        row ["20", "30", "add", "50"]
        row ["2", "5", "add", "7"]
        row ["0", "40", "add", "40"]
      end
    end
  end
end

puts gherkin.to_gherkin