setup bare minimum devise authentication in tests

app/controllers/application_controller.rb

@@ -50,17 +50,20 @@ private
   end
   
   def authenticated?
+    return nil if warden.nil? #rspec tests
     current_user
   end
     
   def admin?
-    current_user && current_user.admin
+    authenticated? && current_user.admin
   end
 
   def get_invite_link
+    unless warden.nil? # rspec tests
       unsafe_uri = request.env["REQUEST_URI"]
       valid_url = /^https?:\/\/([\w\.-]+)(:\d{1,5})?\/?$/
-    safe_uri = unsafe_uri.try(:match, valid_url) ? unsafe_uri : "http://metamaps.cc/"
+      safe_uri = (unsafe_uri.match(valid_url)) ? unsafe_uri : "http://metamaps.cc/"
       @invite_link = "#{safe_uri}join" + (current_user ? "?code=#{current_user.code}" : "")
     end
   end
+end

app/controllers/metacodes_controller.rb

@@ -1,5 +1,4 @@
 class MetacodesController < ApplicationController
-  
   before_filter :require_admin, except: [:index]
     
   # GET /metacodes

spec/controllers/metacodes_controller_spec.rb

@@ -19,6 +19,10 @@ require 'rails_helper'
 # that an instance is receiving a specific message.
 
 RSpec.describe MetacodesController, :type => :controller do
+  before :each do
+    @user = User.new(admin: true)
+    sign_in @user
+  end
 
   # This should return the minimal set of attributes required to create a valid
   # Metacode. As you add validations to Metacode, be sure to

spec/rails_helper.rb

@@ -45,4 +45,7 @@ RSpec.configure do |config|
   # The different available types are documented in the features, such as in
   # https://relishapp.com/rspec/rspec-rails/docs
   config.infer_spec_type_from_file_location!
+
+  config.include Devise::TestHelpers, type: :controller
+
 end