example_feature.rb

feature "Main page" do

  background do
    create_user :login => "jdoe"
    login_as "jdoe"
  end

  scenario "should show existing quotes" do
    create_quote :text => "The language of friendship is not words, but meanings",
                 :author => "Henry David Thoreau"

    visit "/"

    page.should have_css(".quote", :count => 1)
    within(:css, ".quote") do
      page.should have_css(".text", :text => "The language of friendship is not words, but meanings")
      page.should have_css(".author", :text => "Henry David Thoreau")
    end
  end
end

test_helper.rb

module ActionController
  class IntegrationTest
    include Capybara
    
    class << self
      alias :background :setup
      alias :scenario :test
    end
  end
end

def feature(name, &block)
  klazz_name = "#{name.titleize.gsub(/[^a-zA-Z0-9]+/, '')}FeatureTest"
  klazz = Class.new(ActionController::IntegrationTest)
  Object.const_set(klazz_name, klazz)
  klazz.class_eval(&block) if block_given?
end