gistfile1.rb

class MyTestController < ApplicationController
  def test_stuff
    # bla
  end
end

# Add to config/routes.rb...
# 
# if Rails.env.test?
#   map.connect '/:controller/:action/:id'
# end

describe "my test" do
  controller_name :my_test
  
  it "bla" do
    get :test_stuff
  end
end