gistfile1.txt

before_filter :iphone_redirect

  def iphone_redirect
    if request.env["HTTP_USER_AGENT"][/(Mobile\/.+Safari)/]
      redirect_to "http://itunes.apple.com/us/app/messageparty/id386579657?mt=8"
    end
  end

describe ApplicationController do
  it 'should redirect request from mobile safari to the app store' do
    request.env['HTTP_USER_AGENT'] = 'Mozilla/5.0 (iPhone; U; CPU iPhone OS 4_3_3 like Mac OS X; en-us) AppleWebKit/533.17.9 (KHTML, like Gecko) Version/5.0.2 Mobile/8J2 Safari/6533.18.5'
    get :controller => :messages, :action => :index
    response.should redirect_to "http://itunes.apple.com/us/app/messageparty/id386579657?mt=8"
  end
end