uses new hash syntax by default

app/models/comment.rb

@@ -1,10 +1,10 @@
 class Comment < ActiveRecord::Base
-  acts_as_nested_set :scope => [:commentable_id, :commentable_type]
+  acts_as_nested_set scope: [:commentable_id, :commentable_type]
 
-  validates :body, :presence => true
+  validates :body, presence: true
-  validates :user, :presence => true
+  validates :user, presence: true
 
-  belongs_to :commentable, :polymorphic => true
+  belongs_to :commentable, polymorphic: true
   belongs_to :user
 
   def self.build(commentable, user, body)

app/views/devise/menu/_login_items.html.erb

@@ -1,9 +1,9 @@
 <% if user_signed_in? %>
   <li>
-    <%= link_to('Logout', destroy_user_session_path, :method => :delete) %>
+    <%= link_to('Logout', destroy_user_session_path, method: :delete) %>
   </li>
 <% else %>
   <li>
-    <%= link_to('Login', new_user_session_path)  %>  
+    <%= link_to('Login', new_user_session_path)  %>
   </li>
 <% end %>

config/routes.rb

@@ -1,6 +1,6 @@
 Rails.application.routes.draw do
-  devise_for :users, :controllers => { registrations: 'registrations' }
+  devise_for :users, controllers: { registrations: 'registrations' }
-  
+
   # The priority is based upon order of creation: first created -> highest priority.
   # See how all your routes lay out with "rake routes".
 

db/migrate/20150717180105_acts_as_votable_migration.rb

@@ -2,8 +2,8 @@ class ActsAsVotableMigration < ActiveRecord::Migration
   def self.up
     create_table :votes do |t|
 
-      t.references :votable, :polymorphic => true
+      t.references :votable, polymorphic: true
-      t.references :voter, :polymorphic => true
+      t.references :voter, polymorphic: true
 
       t.boolean :vote_flag
       t.string :vote_scope

db/migrate/20150718091702_acts_as_commentable_with_threading_migration.rb

@@ -1,6 +1,6 @@
 class ActsAsCommentableWithThreadingMigration < ActiveRecord::Migration
   def self.up
-    create_table :comments, :force => true do |t|
+    create_table :comments, force: true do |t|
       t.integer :commentable_id
       t.string :commentable_type
       t.string :title

spec/features/comments_spec.rb

@@ -10,7 +10,7 @@ feature 'Comments' do
     visit debate_path(debate)
 
     expect(page).to have_css('.comment', count: 3)
-    
+
     comment = Comment.first
     within first('.comment') do
       expect(page).to have_content comment.user.name
@@ -22,7 +22,7 @@ feature 'Comments' do
   scenario 'Create' do
     user = create(:user)
     debate = create(:debate)
-    
+
     login_as(user)
     visit debate_path(debate)
 
@@ -30,7 +30,7 @@ feature 'Comments' do
     click_button 'Publicar comentario'
 
     expect(page).to have_content 'Comentario guardado'
-    
+
     within "#comments" do
       expect(page).to have_content '¿Has pensado en esto...?'
     end
@@ -41,9 +41,9 @@ feature 'Comments' do
     manuela = create(:user, first_name: 'Manuela')
     debate  = create(:debate)
     comment = create(:comment, commentable: debate, user: citizen)
-    
+
-    visit debate_path(debate)
     login_as(manuela)
+    visit debate_path(debate)
 
     within "#comment-#{comment.id}" do
       fill_in 'comment_body', with: 'La semana que viene está hecho.'
@@ -60,7 +60,7 @@ feature 'Comments' do
     debate = create(:debate)
     parent = create(:comment, commentable: debate)
 
-    7.times do 
+    7.times do
      create(:comment, commentable: debate).
      move_to_child_of(parent)
      parent = parent.children.first
@@ -69,5 +69,5 @@ feature 'Comments' do
     visit debate_path(debate)
     expect(page).to have_css(".comment.comment.comment.comment.comment.comment.comment.comment")
   end
-  
+
 end