adding missing tests and followable concerns for controllers and routes

app/controllers/concerns/followable_controller.rb

@@ -5,12 +5,18 @@ module FollowableController
 
   included do
     before_action :set_followable, only: [:follow, :unfollow]
+    before_action :authenticate_user!, only: [:follow, :unfollow]
   end
 
   # POST /v1/users/1/follow
   # POST /v1/users/1/follow.json
   def follow
-    current_user.follow(@followable) unless current_user.following? @followable
+    if !current_user.following?(@followable)
+      current_user.follow(@followable)
+      render nothing: true, status: :created
+    else
+      render nothing: true, status: :forbidden
+    end
   end
 
   # DELETE /v1/users/1/unfollow

config/routes.rb

 Rails.application.routes.draw do
+  devise_for :users
   require 'sidekiq/web'
 
+  concern :followable do
+    member do
+      post :follow
+      delete :unfollow
+    end
+  end
+
   # devise_for :users, :controllers => { :omniauth_callbacks => "callbacks" }
   namespace :v1 do
     mount_devise_token_auth_for 'User', skip: [:omniauth_callbacks], at: :auth
 
-    resources :users
+    resources :users, concerns: :followable
   end
 
 end

test/controllers/v1/users_controller_test.rb

@@ -2,12 +2,10 @@ require 'test_helper'
 
 class V1::UsersControllerTest < ActionController::TestCase
   tests V1::UsersController
+  include Devise::TestHelpers
 
   test 'should get index' do
     skip('Unsolved issue: ArgumentError: wrong number of arguments (2 for 0)')
-    #get :index
-    #assert_response :success
-    #assert_not_nil assigns(:users)
   end
 
   test 'should post user to create and return :created code' do
@@ -32,7 +30,7 @@ class V1::UsersControllerTest < ActionController::TestCase
                         password: 'test123455',
                         password_confirmation: 'test123455',
                         terms_of_service: '1'
-               }, id: user.id
+    }, id: user.id
     assert_response :ok
   end
 
@@ -50,4 +48,11 @@ class V1::UsersControllerTest < ActionController::TestCase
     assert_response :ok
   end
 
+  test 'should user follow an user jack' do
+    user = users(:john)
+    auth_request user
+    post :follow, id: users(:jack).id
+    assert_response :created
+  end
+
 end