gistfile1.rb

# the steps:

When /^I go to the website$/ do
  get '/'
end

Then /^there should be a link to the vote page$/ do
  response.body.should include("layout")
end

# views/layout.haml
!!!
%html

  %body
    layout
    = yield

# sinatra_app.rb:
require 'rubygems'
require 'sinatra'

configure :production do
  # Configure stuff here you'll want to
  # only be run at Heroku at boot

  # TIP:  You can get you database information
  #       from ENV['DATABASE_URI'] (see /env route below)
end

get '/' do
  haml "%p Hello !"
end

# the result:
  Scenario: I go voting                          # features/vote.feature:3
    When I go to the website                     # features/steps/website_steps.rb:12
    Then there should be a link to the vote page # features/steps/website_steps.rb:16
      expected "<p>Hello !</p>\n" to include "layout" (Spec::Expectations::ExpectationNotMetError)
      features/vote.feature:5:in `Then there should be a link to the vote page'