rspec configuration http://stackoverflow.com/questions/7706371/why-does-the-each-iterator-method-break-rspec

spec_helper.rb

require 'rubygems'
require 'spork'
require 'simplecov'
SimpleCov.start 'rails'

Spork.prefork do

  require "rails/application"
  # Prevent Devise from loading the User model super early with it's route hacks for Rails 3.1
  # see also: https://github.com/timcharper/spork/wiki/Spork.trap_method-Jujutsu
  Spork.trap_method(Rails::Application, :reload_routes!)
  Spork.trap_method(Rails::Application::RoutesReloader, :reload!)

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

  # 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.include(EmailSpec::Helpers)
    config.include(EmailSpec::Matchers)

    config.before(:suite) do
      DatabaseCleaner.strategy = :transaction
      DatabaseCleaner.clean_with(:truncation)
    end

    config.before(:each) do
      DatabaseCleaner.start
    end

    config.after(:each) do
      DatabaseCleaner.clean
    end

  end

end

Spork.each_run do
  load "#{Rails.root}/config/routes.rb"
  Dir["#{Rails.root}/app/**/*.rb"].each { |f| load f }
end