Testing @current_user method using RSpec

Question

I've been trying to do this for a couple of days now, but I can't figure it out. I have the following code in my controller:

@some_object = @current_user.some_method

In my spec, I want to attach a should_receive hook on that method, but I can't make it work. I've tried all of these, but none of them work:

assigns[:current_user].should_receive(:some_method).at_least(:once) # expected 1, got 0
User.should_receive(:some_method).at_least(:once) # expected 1, got 0

How is the correct way of testing this? I'm running this in my spec, and login is working:

setup :activate_authlogic
...
UserSession.create(users(:rune))

Thanks!

Michelle Tilley · Accepted Answer · 2011-04-01 21:00:22Z

5

One example comes from the Ruby on Rails Tutorial. Rather than setting and reading @current_user directly, it defines two helper methods:

def current_user=(user)
  @current_user = user
end

def current_user
  @current_user
end

Later, they access this method in the tests using the controller method:

def test_sign_in(user)
  controller.current_user = user
end

Using this methodology, you should be able to use

controller.current_user.should_receive(:some_method).at_least(:once)

answered Apr 1, 2011 at 21:00

Michelle Tilley

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2 Comments

Ronze Over a year ago

Hmmm. I have defined that method, but it's defined in ApplicationController as a :helper_method, so it's accessible in all controllers and views. But it's not available for RSpec: private method current_user' called for #<IdeasController:0x103c87180>`

Michelle Tilley Over a year ago

For those particular helpers they included them into ApplicationController via include SessionsHelper. You could also probably use controller.send(:current_user) to get the object.

Sankalp Singha · Accepted Answer · 2014-07-31 17:04:51Z

2

You can’t call something like in the controllers:

expect(current_user).to be_present
expect(user_signed_in?).to be_true

So to do so, you can do this :

module ControllerMacros
  def current_user
    user_session_info = response.request.env['rack.session']['warden.user.user.key']
    if user_session_info
      user_id = user_session_info[0][0]
      User.find(user_id)
    else
      nil
    end
  end

  def user_signed_in?
    !!current_user
  end
end

You can either include the ControllerMacros in the top of the controller spec or include it in the spec_helper.rb like so :

RSpec.configure do |config|
  config.include ControllerMacros, type: :controller
end

answered Jul 31, 2014 at 17:04

Sankalp Singha

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