gistfile1.rb

context "#domain" do
  should "return correct domain from given host" do
    examples = {
      "foo.bar.mydomain.com" => "mydomain.com",
      "foo.bar.www.mydomain.com" => "www.mydomain.com",
      "foo.bar.www.mydomain.co.uk" => "www.mydomain.co.uk",
      "www.mydomain.com" => "www.mydomain.com",
      "foo.mydomain.co.uk" => "mydomain.co.uk",
      "foo.bar.www.my-domain.com" => "www.my-domain.com",
      "foo.m.net" => "m.net",
      "foo-bar.mydomain.www.mydomain.co.uk" => "www.mydomain.co.uk",
      "www.www.mydomain.com" => "www.mydomain.com"
    }
    examples.each do |host, domain| 
      @request.host = host
      get :index
      assert_equal domain, @controller.send(:domain)
    end
  end
end