Interactive irb Selenium Session

selenium.rb

# load 'selenium.rb', true
require 'rubygems'
require 'capybara'
require 'capybara/dsl'

include Capybara::DSL
Capybara.default_driver = :selenium
visit "http://localhost:3000"
fill_in "Email", :with => 'username@example.com'
fill_in "Password", :with => 'some_pass'

click_button 'Sign in'

# page.some_method, etc., etc.