Running Capybara and RSpec without Rails

Gemfile

source 'http://rubygems.org'
gem 'rspec'
gem 'capybara', :git => 'https://github.com/jnicklas/capybara.git'
gem 'launchy'
gem 'ruby-debug19'

sign_in_spec.rb

require File.dirname(__FILE__) + '/../spec_helper'
  
describe "sign in", :type => :request do
  it "should sign me in" do  
    # Sign in and make assertions
  end  
end  

spec_helper.rb

require 'rubygems'
require 'bundler/setup'
require 'ruby-debug'
require 'rspec'
require 'capybara/rspec'
Dir.glob(File.dirname(__FILE__) + '/factories/*', &method(:require))

# Capybara configuration
Capybara.default_driver = :selenium
Capybara.save_and_open_page_path = File.dirname(__FILE__) + '/../snapshots'

# RSpec configuration
RSpec.configure do |config|
  config.before(:all) do
    # Create fixtures
  end
  config.after(:all) do
    # Destroy fixtures
  end
  config.around(:each) do |example|
    begin
      example.run
    rescue Exception => ex
      save_and_open_page
      raise ex
    end
  end
end