Question

I’m a little unsure as to how to write a test for a helper method which has output that is based on the given controller and action that are requested.

Given the following helper method in my application helper…

module ApplicationHelper
  def body_id
    [ controller.controller_name, controller.action_name ].join("_")
  end
end

… how would you write an application_helper_spec that tests this method?

Answer 1

Assign or mock the controller object. That will give you something to test against. (RSpec includes a very good mocking/stubbing library.)