Update rails to version 4.2

Furthermore it was necessary to add the following gems:
- responders
- web-console

And additional it was necessary to update these gems manually:
- devise
- turbolinks
- delayed_job_active_record
- money-rails

And the corresponding dependencies.
http://edgeguides.rubyonrails.org/upgrading_ruby_on_rails.html#upgrading-from-rails-4-1-to-rails-4-2

Gemfile

@@ -1,7 +1,11 @@
 source 'https://rubygems.org'
 
 # as web framework
-gem 'rails', '~> 4.1'
+gem 'rails', '~> 4.2'
+
+# respond_to methods have been extracted to the responders gem
+# http://edgeguides.rubyonrails.org/upgrading_ruby_on_rails.html#responders
+gem 'responders', '~> 2.0'
 
 # as the database for Active Record
 gem 'mysql2'
@@ -138,6 +142,7 @@ group :development do
   gem 'letter_opener'
   # mina is a blazing fast deployment system
   gem 'mina'
+  gem 'web-console', '~> 2.0'
 end
 
 # Use rspec and capybara as testing framework

Gemfile.lock

@@ -8,35 +8,44 @@ GIT
 GEM
   remote: https://rubygems.org/
   specs:
-    actionmailer (4.1.14)
+    actionmailer (4.2.5.1)
-      actionpack (= 4.1.14)
+      actionpack (= 4.2.5.1)
-      actionview (= 4.1.14)
+      actionview (= 4.2.5.1)
+      activejob (= 4.2.5.1)
       mail (~> 2.5, >= 2.5.4)
-    actionpack (4.1.14)
+      rails-dom-testing (~> 1.0, >= 1.0.5)
-      actionview (= 4.1.14)
+    actionpack (4.2.5.1)
-      activesupport (= 4.1.14)
+      actionview (= 4.2.5.1)
-      rack (~> 1.5.2)
+      activesupport (= 4.2.5.1)
+      rack (~> 1.6)
       rack-test (~> 0.6.2)
-    actionview (4.1.14)
+      rails-dom-testing (~> 1.0, >= 1.0.5)
-      activesupport (= 4.1.14)
+      rails-html-sanitizer (~> 1.0, >= 1.0.2)
+    actionview (4.2.5.1)
+      activesupport (= 4.2.5.1)
       builder (~> 3.1)
       erubis (~> 2.7.0)
+      rails-dom-testing (~> 1.0, >= 1.0.5)
+      rails-html-sanitizer (~> 1.0, >= 1.0.2)
     active_model_serializers (0.8.1)
       activemodel (>= 3.0)
-    activemodel (4.1.14)
+    activejob (4.2.5.1)
-      activesupport (= 4.1.14)
+      activesupport (= 4.2.5.1)
+      globalid (>= 0.3.0)
+    activemodel (4.2.5.1)
+      activesupport (= 4.2.5.1)
       builder (~> 3.1)
-    activerecord (4.1.14)
+    activerecord (4.2.5.1)
-      activemodel (= 4.1.14)
+      activemodel (= 4.2.5.1)
-      activesupport (= 4.1.14)
+      activesupport (= 4.2.5.1)
-      arel (~> 5.0.0)
+      arel (~> 6.0)
-    activesupport (4.1.14)
+    activesupport (4.2.5.1)
-      i18n (~> 0.6, >= 0.6.9)
+      i18n (~> 0.7)
       json (~> 1.7, >= 1.7.7)
       minitest (~> 5.1)
-      thread_safe (~> 0.1)
+      thread_safe (~> 0.3, >= 0.3.4)
       tzinfo (~> 1.1)
-    activeuuid (0.5.0)
+    activeuuid (0.6.1)
       activerecord (>= 3.1)
       uuidtools
     acts_as_commentable_with_threading (1.2.0)
@@ -54,7 +63,7 @@ GEM
       request_store
       user_agent_parser
       uuidtools
-    arel (5.0.1.20140414130214)
+    arel (6.0.3)
     ast (2.0.0)
     autoprefixer-rails (5.1.9)
       execjs
@@ -69,6 +78,8 @@ GEM
       axlsx (>= 2.0.1)
       rails (>= 3.1)
     bcrypt (3.1.10)
+    binding_of_caller (0.7.2)
+      debug_inspector (>= 0.0.1)
     bootstrap-sass (3.3.4.1)
       autoprefixer-rails (>= 5.0.0.1)
       sass (>= 3.2.19)
@@ -102,13 +113,13 @@ GEM
       climate_control (>= 0.0.3, < 1.0)
     cocoon (1.2.6)
     coderay (1.1.0)
-    coffee-rails (4.0.1)
+    coffee-rails (4.1.1)
       coffee-script (>= 2.2.0)
-      railties (>= 4.0.0, < 5.0)
+      railties (>= 4.0.0, < 5.1.x)
-    coffee-script (2.2.0)
+    coffee-script (2.4.1)
       coffee-script-source
       execjs
-    coffee-script-source (1.7.0)
+    coffee-script-source (1.10.0)
     columnize (0.8.9)
     countries (0.9.3)
       currencies (~> 0.4.2)
@@ -123,13 +134,14 @@ GEM
       railties (>= 3.1.0)
     daemons (1.1.9)
     database_cleaner (1.3.0)
+    debug_inspector (0.0.2)
     debugger-linecache (1.2.0)
-    delayed_job (4.0.2)
+    delayed_job (4.1.1)
-      activesupport (>= 3.0, < 4.2)
+      activesupport (>= 3.0, < 5.0)
-    delayed_job_active_record (4.0.1)
+    delayed_job_active_record (4.1.0)
-      activerecord (>= 3.0, < 4.2)
+      activerecord (>= 3.0, < 5)
-      delayed_job (>= 3.0, < 4.1)
+      delayed_job (>= 3.0, < 5)
-    devise (3.5.4)
+    devise (3.5.5)
       bcrypt (~> 3.0)
       orm_adapter (~> 0.1)
       railties (>= 3.2.6, < 5)
@@ -141,7 +153,7 @@ GEM
     diff-lcs (1.2.5)
     docile (1.1.3)
     erubis (2.7.0)
-    execjs (2.5.2)
+    execjs (2.6.0)
     factory_girl (4.4.0)
       activesupport (>= 3.0.0)
     factory_girl_rails (4.4.1)
@@ -158,6 +170,8 @@ GEM
     formtastic-bootstrap (3.0.0)
       formtastic (>= 2.2)
     geocoder (1.2.2)
+    globalid (0.3.6)
+      activesupport (>= 4.1.0)
     gravtastic (3.2.6)
     guard (2.6.0)
       formatador (>= 0.2.4)
@@ -181,7 +195,7 @@ GEM
       activesupport
       builder
     htmlentities (4.3.1)
-    i18n (0.6.11)
+    i18n (0.7.0)
     inversion (0.12.3)
       loggability (~> 0.4)
     jquery-datatables-rails (2.2.3)
@@ -203,6 +217,8 @@ GEM
       rb-fsevent (>= 0.9.3)
       rb-inotify (>= 0.9)
     loggability (0.11.0)
+    loofah (2.0.3)
+      nokogiri (>= 1.5.9)
     lumberjack (1.0.5)
     mail (2.6.3)
       mime-types (>= 1.16, < 3)
@@ -212,18 +228,19 @@ GEM
     mina (0.3.0)
       open4
       rake
-    mini_portile (0.6.0)
+    mini_portile2 (2.0.0)
-    minitest (5.8.3)
+    minitest (5.8.4)
     momentjs-rails (2.8.1)
       railties (>= 3.1)
-    monetize (0.3.0)
+    monetize (1.4.0)
-      money (~> 6.1.0.beta1)
+      money (~> 6.7)
-    money (6.1.1)
+    money (6.7.0)
-      i18n (~> 0.6.4)
+      i18n (>= 0.6.4, <= 0.7.0)
-    money-rails (0.12.0)
+      sixarm_ruby_unaccent (>= 1.1.1, < 2)
+    money-rails (1.6.0)
       activesupport (>= 3.0)
-      monetize (~> 0.3.0)
+      monetize (~> 1.4.0)
-      money (~> 6.1.1)
+      money (~> 6.7)
       railties (>= 3.0)
     multi_json (1.11.2)
     multi_xml (0.5.5)
@@ -231,8 +248,8 @@ GEM
     mysql2 (0.3.16)
     netrc (0.10.3)
     nio4r (1.1.0)
-    nokogiri (1.6.2.1)
+    nokogiri (1.6.7.2)
-      mini_portile (= 0.6.0)
+      mini_portile2 (~> 2.0.0.rc2)
     oauth2 (0.9.4)
       faraday (>= 0.8, < 0.10)
       jwt (~> 1.0)
@@ -296,27 +313,36 @@ GEM
       slop (~> 3.4)
     quiet_assets (1.0.2)
       railties (>= 3.1, < 5.0)
-    rack (1.5.5)
+    rack (1.6.4)
     rack-openid (1.3.1)
       rack (>= 1.1.0)
       ruby-openid (>= 2.1.8)
     rack-test (0.6.3)
       rack (>= 1.0)
-    rails (4.1.14)
+    rails (4.2.5.1)
-      actionmailer (= 4.1.14)
+      actionmailer (= 4.2.5.1)
-      actionpack (= 4.1.14)
+      actionpack (= 4.2.5.1)
-      actionview (= 4.1.14)
+      actionview (= 4.2.5.1)
-      activemodel (= 4.1.14)
+      activejob (= 4.2.5.1)
-      activerecord (= 4.1.14)
+      activemodel (= 4.2.5.1)
-      activesupport (= 4.1.14)
+      activerecord (= 4.2.5.1)
+      activesupport (= 4.2.5.1)
       bundler (>= 1.3.0, < 2.0)
-      railties (= 4.1.14)
+      railties (= 4.2.5.1)
-      sprockets-rails (~> 2.0)
+      sprockets-rails
+    rails-deprecated_sanitizer (1.0.3)
+      activesupport (>= 4.2.0.alpha)
+    rails-dom-testing (1.0.7)
+      activesupport (>= 4.2.0.beta, < 5.0)
+      nokogiri (~> 1.6.0)
+      rails-deprecated_sanitizer (>= 1.0.1)
+    rails-html-sanitizer (1.0.3)
+      loofah (~> 2.0)
     rails-observers (0.1.2)
       activemodel (~> 4.0)
-    railties (4.1.14)
+    railties (4.2.5.1)
-      actionpack (= 4.1.14)
+      actionpack (= 4.2.5.1)
-      activesupport (= 4.1.14)
+      activesupport (= 4.2.5.1)
       rake (>= 0.8.7)
       thor (>= 0.18.1, < 2.0)
     rainbow (2.0.0)
@@ -334,8 +360,8 @@ GEM
     redcarpet (3.2.3)
     referer-parser (0.2.1)
     request_store (1.0.6)
-    responders (1.1.2)
+    responders (2.1.1)
-      railties (>= 3.2, < 4.2)
+      railties (>= 4.2.0, < 5.1)
     rest-client (1.7.3)
       mime-types (>= 1.16, < 3.0)
       netrc (~> 0.7)
@@ -387,6 +413,7 @@ GEM
       multi_json
       simplecov-html (~> 0.8.0)
     simplecov-html (0.8.0)
+    sixarm_ruby_unaccent (1.1.1)
     slop (3.6.0)
     spring (1.1.2)
     spring-commands-rspec (1.0.2)
@@ -411,7 +438,7 @@ GEM
     tins (1.1.0)
     transitions (0.1.12)
     ttfunk (1.1.1)
-    turbolinks (2.2.2)
+    turbolinks (2.5.3)
       coffee-rails
     tzinfo (1.2.2)
       thread_safe (~> 0.1)
@@ -419,9 +446,14 @@ GEM
       execjs (>= 0.3.0)
       json (>= 1.8.0)
     user_agent_parser (2.1.5)
-    uuidtools (2.1.4)
+    uuidtools (2.1.5)
     warden (1.2.4)
       rack (>= 1.0)
+    web-console (2.2.1)
+      activemodel (>= 4.0)
+      binding_of_caller (>= 0.7.2)
+      railties (>= 4.0)
+      sprockets-rails (>= 2.0, < 4.0)
     websocket-driver (0.3.3)
     whenever (0.9.2)
       activesupport (>= 2.3.4)
@@ -486,10 +518,11 @@ DEPENDENCIES
   poltergeist
   prawn_rails
   quiet_assets
-  rails (~> 4.1)
+  rails (~> 4.2)
   rails-observers
   rdoc-generator-fivefish
   redcarpet
+  responders (~> 2.0)
   rolify
   rspec-activemodel-mocks
   rspec-rails
@@ -503,6 +536,7 @@ DEPENDENCIES
   transitions
   turbolinks
   uglifier (>= 1.3.0)
+  web-console (~> 2.0)
   whenever
 
 BUNDLED WITH

INSTALL.md

@@ -29,7 +29,7 @@ We are using [Vagrant](https://www.vagrantup.com/) to create our development env
 7. Start your OSEM rails app:
 
     ```
-    vagrant exec rails s
+    vagrant exec rails server -b 0.0.0.0
     ```
 
 8. Check out your OSEM rails app:

spec/features/tickets_spec.rb

@@ -52,7 +52,8 @@ feature Ticket do
         click_button 'Update Ticket'
 
         ticket.reload
-        expect(ticket.price).to eq(50)
+        # It's necessary to multiply by 100 because the price is in cents
+        expect(ticket.price).to eq(Money.new(50 * 100, 'USD'))
         expect(ticket.title).to eq('Free Ticket')
         expect(flash).to eq('Ticket successfully updated.')
         expect(Ticket.count).to eq(1)
@@ -68,7 +69,8 @@ feature Ticket do
         click_button 'Update Ticket'
 
         ticket.reload
-        expect(ticket.price).to eq(100)
+        # It's necessary to multiply by 100 because the price is in cents
+        expect(ticket.price).to eq(Money.new(100 * 100, 'USD'))
         expect(ticket.title).to eq('Business Ticket')
         expect(flash).to eq("Ticket update failed: Title can't be blank. Price cents must be greater than 0.")
         expect(Ticket.count).to eq(1)

spec/models/ticket_spec.rb

@@ -68,11 +68,11 @@ describe Ticket do
              user: user,
              ticket: ticket,
              quantity: 20)
-      expect(ticket.total_price(user)).to eq(20 * 50)
+      expect(ticket.total_price(user)).to eq(Money.new(20 * ticket.price_cents, 'USD'))
     end
 
     it 'returns zero if the user has not bought this ticket' do
-      expect(ticket.total_price(user)).to eq(0)
+      expect(ticket.total_price(user)).to eq(Money.new(0, 'USD'))
     end
   end
 
@@ -82,11 +82,11 @@ describe Ticket do
              user: user,
              ticket: ticket,
              quantity: 20)
-      expect(Ticket.total_price(conference, user)).to eq(20 * 50)
+      expect(Ticket.total_price(conference, user)).to eq(Money.new(20 * ticket.price_cents, 'USD'))
     end
 
     it 'returns zero if the user has not bought this ticket' do
-      expect(Ticket.total_price(conference, user)).to eq(0)
+      expect(Ticket.total_price(conference, user)).to eq(Money.new(0, 'USD'))
     end
   end
 end