gistfile1.rb

require "rubygems"                  
require "test/unit"
require "webrat"                    
require "webrat/sinatra"            
require "app"
  
Webrat.configure do |config|        
  config.mode = :rack               
end
  
class AppTest < Test::Unit::TestCase
  include Webrat::Methods           
  include Webrat::Matchers          
     
  def test_it_works
     visit "/"                      
     assert_contain("Hello World")  
   end                              
end