A MiniTest version of API on Rails Chapter 5, listing 5.11

authable_test.rb

require 'test_helper'

class DummyController < ApplicationController
  include Authable
end

class AuthableTest < ActionController::TestCase
  setup do
    include_default_request_headers
    @dummy = DummyController.new
  end

  test "#current_user returns the use from the authorization header" do
    user = create(:user)
    request.headers['Authorization'] = user.auth_token

    @dummy.stub(:request, request) do
      assert_equal user.auth_token, @dummy.current_user.auth_token
    end
  end

  test "#authenticate_with_token!" do
    response.stub :response_code, 401 do
      response.stub :body, { errors: "Not authenticated" }.to_json do
        @dummy.stub :current_user, nil do
          @dummy.stub :response, response do
            assert_equal json_response_body[:errors], "Not authenticated"
          end
        end
      end
    end
  end
end