RSpec + Cucumber + Spork

.rspec

--colour --drb

cucumber.yml

# config/cucumber.yml
<%
rerun = File.file?('rerun.txt') ? IO.read('rerun.txt') : ""
rerun_opts = rerun.to_s.strip.empty? ? "--format #{ENV['CUCUMBER_FORMAT'] || 'progress'} features" : "--format #{ENV['CUCUMBER_FORMAT'] || 'pretty'} #{rerun}"
std_opts = "--format #{ENV['CUCUMBER_FORMAT'] || 'pretty'} --drb --strict --tags ~@wip"
%>
default: <%= std_opts %> features
wip: --tags @wip:3 --wip features
rerun: <%= rerun_opts %> --format rerun --out rerun.txt --strict --tags ~@wip

env.rb

# features/support/env.rb

require "rubygems"
require "spork"

Spork.prefork do
  require 'cucumber/rails'

  Capybara.default_selector = :css
  ActionController::Base.allow_rescue = false

  begin
    DatabaseCleaner.strategy = :transaction
  rescue NameError
    raise "You need to add database_cleaner to your Gemfile (in the :test group) if you wish to use it."
  end

  Cucumber::Rails::Database.javascript_strategy = :truncation
end

Spork.each_run { }

spec_helper.rb

# spec/spec_helper.rb

require 'rubygems'
require 'spork'

Spork.prefork do
  ENV["RAILS_ENV"] ||= 'test'
  require File.expand_path("../../config/environment", __FILE__)
  require 'rspec/rails'
  require 'rspec/autorun'

  RSpec.configure do |config|
    config.use_transactional_fixtures = true
    config.infer_base_class_for_anonymous_controllers = false

    config.include FactoryGirl::Syntax::Methods
  end
end

Spork.each_run do
  Dir[Rails.root.join("spec/support/**/*.rb")].each {|f| require f }
end

spork.rake

# lib/tasks/spork.rake
desc "Run spork for rspec and cucumber; press Ctrl+C to stop"
task :spork do
  puts "Running Spork for RSpec and Cucumber"
  puts "Press Ctrl+C to stop"

  spork_pids = [Process.spawn("spork rspec"), Process.spawn("spork cucumber")]

  trap("INT") do
    spork_pids.each { |pid| Process.kill(9, pid) rescue Errno::ESRCH }
    puts "Shutting down..."
    exit 0
  end

  spork_pids.each { |pid| Process.wait(pid) }
end