Guard + spork

Gemfile

group :test do
  gem 'guard-spork'
  gem 'guard-rspec'
  gem 'growl'
  gem 'rb-fsevent'
end

Guardfile

guard 'spork', :rspec_env => { 'RAILS_ENV' => 'test' }, :cucumber => false do
  watch('config/application.rb')
  watch('config/environment.rb')
  watch(%r{^config/environments/.+\.rb$})
  watch(%r{^config/initializers/.+\.rb$})
  watch('spec/spec_helper.rb')
end

guard 'rspec', :cli => '--drb' do
  watch(%r{^spec/.+_spec\.rb})
  watch(%r{^app/(.+)\.rb})                           { |m| "spec/#{m[1]}_spec.rb" }
  watch(%r{^lib/(.+)\.rb})                           { |m| "spec/lib/#{m[1]}_spec.rb" }
  watch(%r{^app/controllers/(.+)_(controller)\.rb})  { |m| "spec/requests/#{m[1]}_spec.rb" }
  watch(%r{^app/views/(.+)/.*\.erb})                 { |m| "spec/requests/#{m[1]}_spec.rb" }
end

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 'capybara/rspec'

  # Requires supporting ruby files with custom matchers and macros, etc,
  # in spec/support/ and its subdirectories.
  Dir[Rails.root.join("spec/support/**/*.rb")].each {|f| require f}

  RSpec.configure do |config|
    config.mock_with :rspec
    config.fixture_path = "#{::Rails.root}/spec/fixtures"
    config.include LoginHelper
    config.use_transactional_fixtures = true

    REDIS_PID = "#{Rails.root}/tmp/pids/redis-test.pid"
    REDIS_CACHE_PATH = "#{Rails.root}/tmp/cache/"

    # Melhorar essa parada
    config.before(:suite) do
      redis_options = {
        "daemonize"     => 'yes',
        "pidfile"       => REDIS_PID,
        "port"          => 9736,
        "timeout"       => 300,
        "save 900"      => 1,
        "save 300"      => 1,
        "save 60"       => 10000,
        "dbfilename"    => "dump.rdb",
        "dir"           => REDIS_CACHE_PATH,
        "loglevel"      => "debug",
        "logfile"       => "stdout",
        "databases"     => 16
      }.map { |k, v| "#{k} #{v}" }.join('\n')
      `echo '#{redis_options}' | redis-server -`
      Resque.redis = 'localhost:9736'
    end

    config.after(:suite) do
      %x{
      cat #{REDIS_PID} | xargs kill -QUIT
      rm -f #{REDIS_CACHE_PATH}dump.rdb
      }
    end
  end
end

Spork.each_run do
end