cheald

## Decorating 
chris@luna /var/www/rails3-follow git:(master*) ruby-1.9.3 % rails r bench.rb
{:count=>39, :heap_used=>2169, :heap_length=>2444, :heap_increment=>0, :heap_live_num=>498236, :heap_free_num=>378418, :heap_final_num=>9986}
       user     system      total        real
Extend  0.820000   0.040000   0.860000 (  0.868023)
{:count=>39, :heap_used=>6147, :heap_length=>7027, :heap_increment=>880, :heap_live_num=>498236, :heap_free_num=>2004679, :heap_final_num=>0}

## Extending
chris@luna /var/www/rails3-follow git:(master*) ruby-1.9.3 % rails r bench.rb
{:count=>39, :heap_used=>2169, :heap_length=>2444, :heap_increment=>0, :heap_live_num=>498514, :heap_free_num=>378128, :heap_final_num=>9986}

cheald

module ActiveSupport
  module FastSafeBuffer
    [
      :capitalize, :chomp, :chop, :delete, :downcase, :gsub, :lstrip,
      :next, :reverse, :rstrip, :slice, :squeeze, :strip, :sub,
      :succ, :swapcase, :tr, :tr_s, :upcase, :prepend
    ].each do |unsafe_method|
      if String.new.respond_to? unsafe_method
        module_eval <<-EVAL
          def #{unsafe_method}!(*)

cheald

require 'active_support/core_ext/array'

class FactoryGirl
  attr_accessor :options

  def self.create(model, options = {})
    new(model, options)
  end

  def initialize(model, options)

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        def let(name, &block)
          define_method(name) do
            __memoized.fetch(name) {|k| __memoized[k] = instance_eval(&block) }
          end
        end

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require 'active_support/core_ext/array'

class FactoryGirl
  attr_accessor :options

  def self.create(model, options = {})
    new(model, options)
  end

  def initialize(model, options)

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describe "let behavior" do
  foo = "original recipe"
  let(:foo) { "extra crispy" }

  specify { foo.should == "extra crispy" }
end

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class Foo
  def value
    "Value"
  end

  def eval_stuff
    instance_eval &(Proc.new { puts value })
    instance_eval &(Proc.new {|foo| puts foo.value })
    instance_eval &(lambda   {|x| puts x.value })
    instance_eval &(lambda   {|x| puts value })

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 % rspec spec.rb --format doc

Foo
  when logged in as a user
    should == "TEST VALUE"

Finished in 0.00047 seconds
1 example, 0 failures

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module AuthenticationHelpers
  def authenticated_as(roles, options=nil)
    options = instance_eval(&options) if options.is_a? Proc

    Array(roles).each do |role|
      context "when logged in as a #{role}" do      
        before(:all) { @user = FactoryGirl.create role, *Array(options) }
        after(:all)  { DatabaseCleaner.clean }

        before(:each) { sign_in @user }

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  # Renders the given content or block in a CDATA section if necessary. If CDATA is not necessary, the raw data is returend.
  # @param data [String] The data to render. Nil if passing a block.
  # @yield Template fragment to encode as CDATA if necessary.
  def cdata(data = nil)
    data = data.dup if data.present? and data.frozen?
    if data
      data.strip!
      data.gsub!(/\]\]>/, "]]>")
      if match = data.match(/([<>&]|[^\x20-\x7f])/)
        data = "\n%s" % data if data.match(/\n/)