solution for gist: 2932517

gistfile1.rb

class RoutesTest < ActionDispatch::IntegrationTest                                                      
  def setup                                                                                             
    @routes = Shim::Engine.routes                                                                       
  end                                                                                                   
                                                                                                        
  def test_index_route                                                                                  
    assert_routing "", { :controller => "shim/pages", :action => "show", :id => "index" }               
  end                                                                                                   
                                                                                                        
  def test_page_route                                                                                   
    assert_routing "some-page", { :controller => "shim/pages", :action => "show", :id => "some-page" }  
  end                                                                                                   
end