refraction_rules.rb

# http://github.com/pivotal/refraction
Refraction.configure do |req|
  winit_hosts = {
    'itw' => {
      'production'  => 'winit.intouchweekly.com',
      'staging'     => 'winit-stage.intouchweekly.com',
      'development' => 'winit.intouchweekly.local',
      'test'        => 'winit.intouchweekly.test'
    },
    'las' => {
      'production'  => 'winit.lifeandstylemag.com',
      'staging'     => 'winit-stage.lifeandstylemag.com',
      'development' => 'winit.lifeandstylemag.local',
      'test'        => 'winit.lifeandstylemag.test'
    },
    'mmm' => {
      'production'  => 'winit.mmm-mag.com',
      'staging'     => 'winit-stage.mmm-mag.com',
      'development' => 'winit.mmm-mag.local',
      'test'        => 'winit.mmm-mag.test'
    },
    'ww' => {
      'production'  => 'winit.womansworld.com',
      'staging'     => 'winit-stage.womansworld.com',
      'development' => 'winit.womansworld.local',
      'test'        => 'winit.womansworld.test'
    },
    'twist' => {
      'production'  => 'winit.twistmagazine.com',
      'staging'     => 'winit-stage.twistmagazine.com',
      'development' => 'winit.twistmagazine.local',
      'test'        => 'winit.twistmagazine.test'
    },
    'qf' => {
      'production'  => 'winit.quizfest.com',
      'staging'     => 'winit-stage.quizfest.com',
      'development' => 'winit.quizfest.local',
      'test'        => 'winit.quizfest.test'
    },
    'j14' => {
      'production'  => 'winit.j-14.com',
      'staging'     => 'winit-stage.j-14.com',
      'development' => 'winit.j-14.local',
      'test'        => 'winit.j-14.test'
    },
    'ag' => {
      'production'  => 'winit.astrogirlfreebies.com',
      'staging'     => 'winit-stage.astrogirlfreebies.com',
      'development' => 'winit.astrogirlfreebies.local',
      'test'        => 'winit.astrogirlfreebies.test'
    }
  }

  winit_codes = winit_hosts.keys.join('|')
  
  case req.path
  when %r{^/mb.*$}; req.permanent! "http://#{winit_hosts['itw'][RAILS_ENV]}/?origin=madberries"
  when %r{^/(#{winit_codes})(.*)$}; req.permanent! "http://#{winit_hosts[$1][RAILS_ENV]}#{$2}"
  end
  
  case req.host
  when %r{sweepon}; req.permanent! "http://#{winit_hosts['itw'][RAILS_ENV]}#{req.path}"
  when %r{madberries}; req.permanent! "http://#{winit_hosts['itw'][RAILS_ENV]}/?origin=madberries"
  when %r{quizfestwinit}; req.permanent! "http://#{winit_hosts['qf'][RAILS_ENV]}#{req.path}"
  when %r{twistfreebies}; req.permanent! "http://#{winit_hosts['twist'][RAILS_ENV]}#{req.path}"
  end
end

refraction_spec.rb

require 'spec_helper'

describe Refraction do
  include RewriteMacro
  
  # in touch weekly
  it_should_permanently_redirect('http://winit.intouchweekly.test/itw/something', 'http://winit.intouchweekly.test/something')
  it_should_permanently_redirect('http://winit.lifeandstylemag.test/itw/something', 'http://winit.intouchweekly.test/something')
  
  # life and style
  it_should_permanently_redirect('http://winit.lifeandstylemag.test/las/something', 'http://winit.lifeandstylemag.test/something')
  it_should_permanently_redirect('http://winit.intouchweekly.test/las/something', 'http://winit.lifeandstylemag.test/something')
  
  # m magazine
  it_should_permanently_redirect('http://winit.mmm-mag.test/mmm/something', 'http://winit.mmm-mag.test/something')
  it_should_permanently_redirect('http://winit.j-14.test/mmm/something', 'http://winit.mmm-mag.test/something')
  
  # woman's world
  it_should_permanently_redirect('http://winit.womansworld.test/ww/something', 'http://winit.womansworld.test/something')
  it_should_permanently_redirect('http://winit.j-14.test/ww/something', 'http://winit.womansworld.test/something')
  
  # twist magazine
  it_should_permanently_redirect('http://winit.twistmagazine.test/twist/something', 'http://winit.twistmagazine.test/something')
  it_should_permanently_redirect('http://winit.j-14.test/twist/something', 'http://winit.twistmagazine.test/something')
  
  # quizfest
  it_should_permanently_redirect('http://winit.quizfest.test/qf/something', 'http://winit.quizfest.test/something')
  it_should_permanently_redirect('http://winit.j-14.test/qf/something', 'http://winit.quizfest.test/something')
  
  # j-14
  it_should_permanently_redirect('http://winit.j-14.test/j14/something', 'http://winit.j-14.test/something')
  it_should_permanently_redirect('http://winit.intouchweekly.test/j14/something', 'http://winit.j-14.test/something')
  
  # astrogirl
  it_should_permanently_redirect('http://winit.astrogirlfreebies.test/ag/something', 'http://winit.astrogirlfreebies.test/something')
  it_should_permanently_redirect('http://winit.intouchweekly.test/ag/something', 'http://winit.astrogirlfreebies.test/something')
  
  # madberries
  it_should_permanently_redirect('http://winit.j-14.test/mb/something', 'http://winit.intouchweekly.test/?origin=madberries')
  it_should_permanently_redirect('http://madberries.test/something', 'http://winit.intouchweekly.test/?origin=madberries')
  
  # misc redirects
  it_should_permanently_redirect('http://sweepon.test/something', 'http://winit.intouchweekly.test/something')
  it_should_permanently_redirect('http://quizfestwinit.test/something', 'http://winit.quizfest.test/something')
  it_should_permanently_redirect('http://twistfreebies.test/something', 'http://winit.twistmagazine.test/something')
end

spec_helper.rb

# there is other stuff above this, but only this is applicable

module RewriteMacro
  module ExampleGroupMethods  
    def it_should_permanently_redirect(start_point, end_point)
      it "should permanently redirect #{start_point} to #{end_point}" do
        env = Rack::MockRequest.env_for(start_point, :method => 'get')
        app = mock('app')
        response = Refraction.new(app).call(env)
        response[0].should == 301
        response[1]['Location'].should == end_point
      end
    end
    
    def it_should_temporarily_redirect(start_point, end_point)
      it "should temporarily redirect #{start_point} to #{end_point}" do
        env = Rack::MockRequest.env_for(start_point, :method => 'get')
        app = mock('app')
        response = Refraction.new(app).call(env)
        response[0].should == 302
        response[1]['Location'].should == end_point
      end
    end
  end  

  def self.included(receiver)  
    receiver.extend ExampleGroupMethods
  end
end