Update Rails to 4.2.0

config/application.rb

@@ -20,5 +20,8 @@ module Projekteuler
     config.i18n.load_path += Dir[Rails.root.join('config', 'locales', '**', '*.{rb,yml}').to_s]
     config.i18n.available_locales = :de
     config.i18n.default_locale = :de
+
+    # Do not swallow errors in after_commit/after_rollback callbacks.
+    config.active_record.raise_in_transactional_callbacks = true
   end
 end

config/boot.rb

@@ -1,4 +1,3 @@
-# Set up gems listed in the Gemfile.
 ENV['BUNDLE_GEMFILE'] ||= File.expand_path('../../Gemfile', __FILE__)
 
-require 'bundler/setup' if File.exist?(ENV['BUNDLE_GEMFILE'])
+require 'bundler/setup' # Set up gems listed in the Gemfile.

config/environments/development.rb

@@ -27,6 +27,10 @@ Rails.application.configure do
   # number of complex assets.
   config.assets.debug = true
 
+  # Asset digests allow you to set far-future HTTP expiration dates on all assets,
+  # yet still be able to expire them through the digest params.
+  config.assets.digest = true
+
   # Adds additional error checking when serving assets at runtime.
   # Checks for improperly declared sprockets dependencies.
   # Raises helpful error messages.

config/environments/production.rb

@@ -16,11 +16,13 @@ Rails.application.configure do
 
   # Enable Rack::Cache to put a simple HTTP cache in front of your application
   # Add `rack-cache` to your Gemfile before enabling this.
-  # For large-scale production use, consider using a caching reverse proxy like nginx, varnish or squid.
+  # For large-scale production use, consider using a caching reverse proxy like
+  # NGINX, varnish or squid.
   # config.action_dispatch.rack_cache = true
 
-  # Disable Rails's static asset server (Apache or nginx will already do this).
-  config.serve_static_assets = false
+  # Disable serving static files from the `/public` folder by default since
+  # Apache or NGINX already handles this.
+  config.serve_static_files = ENV['RAILS_SERVE_STATIC_FILES'].present?
 
   # Compress JavaScripts and CSS.
   config.assets.js_compressor = :uglifier
@@ -29,20 +31,22 @@ Rails.application.configure do
   # Do not fallback to assets pipeline if a precompiled asset is missed.
   config.assets.compile = false
 
-  # Generate digests for assets URLs.
+  # Asset digests allow you to set far-future HTTP expiration dates on all assets,
+  # yet still be able to expire them through the digest params.
   config.assets.digest = true
 
   # `config.assets.precompile` and `config.assets.version` have moved to config/initializers/assets.rb
 
   # Specifies the header that your server uses for sending files.
-  # config.action_dispatch.x_sendfile_header = "X-Sendfile" # for apache
-  # config.action_dispatch.x_sendfile_header = 'X-Accel-Redirect' # for nginx
+  # config.action_dispatch.x_sendfile_header = 'X-Sendfile' # for Apache
+  # config.action_dispatch.x_sendfile_header = 'X-Accel-Redirect' # for NGINX
 
   # Force all access to the app over SSL, use Strict-Transport-Security, and use secure cookies.
   # config.force_ssl = true
 
-  # Set to :debug to see everything in the log.
-  config.log_level = :info
+  # Use the lowest log level to ensure availability of diagnostic information
+  # when problems arise.
+  config.log_level = :debug
 
   # Prepend all log lines with the following tags.
   # config.log_tags = [ :subdomain, :uuid ]
@@ -54,7 +58,7 @@ Rails.application.configure do
   # config.cache_store = :mem_cache_store
 
   # Enable serving of images, stylesheets, and JavaScripts from an asset server.
-  # config.action_controller.asset_host = "http://assets.example.com"
+  # config.action_controller.asset_host = 'http://assets.example.com'
 
   # Ignore bad email addresses and do not raise email delivery errors.
   # Set this to true and configure the email server for immediate delivery to raise delivery errors.
@@ -67,9 +71,6 @@ Rails.application.configure do
   # Send deprecation notices to registered listeners.
   config.active_support.deprecation = :notify
 
-  # Disable automatic flushing of the log to improve performance.
-  # config.autoflush_log = false
-
   # Use default logging formatter so that PID and timestamp are not suppressed.
   config.log_formatter = ::Logger::Formatter.new
 

config/environments/test.rb

@@ -12,8 +12,8 @@ Rails.application.configure do
   # preloads Rails for running tests, you may have to set it to true.
   config.eager_load = false
 
-  # Configure static asset server for tests with Cache-Control for performance.
-  config.serve_static_assets  = true
+  # Configure static file server for tests with Cache-Control for performance.
+  config.serve_static_files   = true
   config.static_cache_control = 'public, max-age=3600'
 
   # Show full error reports and disable caching.
@@ -31,6 +31,9 @@ Rails.application.configure do
   # ActionMailer::Base.deliveries array.
   config.action_mailer.delivery_method = :test
 
+  # Randomize the order test cases are executed.
+  config.active_support.test_order = :random
+
   # Print deprecation notices to the stderr.
   config.active_support.deprecation = :stderr
 

config/initializers/assets.rb

@@ -3,6 +3,9 @@
 # Version of your assets, change this if you want to expire all your assets.
 Rails.application.config.assets.version = '1.0'
 
+# Add additional assets to the asset load path
+# Rails.application.config.assets.paths << Emoji.images_path
+
 # Precompile additional assets.
-# application.js, application.css.scss, and all non-JS/CSS in app/assets folder are already added.
+# application.js, application.css, and all non-JS/CSS in app/assets folder are already added.
 # Rails.application.config.assets.precompile += %w( search.js )

config/initializers/cookies_serializer.rb

@@ -1,3 +1,3 @@
 # Be sure to restart your server when you modify this file.
 
-Rails.application.config.action_dispatch.cookies_serializer = :json
+Rails.application.config.action_dispatch.cookies_serializer = :json

config/secrets.yml

@@ -11,10 +11,10 @@
 # if you're sharing your code publicly.
 
 development:
-  secret_key_base: a606d611cb230fcdc6ac0303f10c554435bc887b57795abbad145aadfa445b3389aab91de996998246d9e1f7959211df3805a58c27a047a0a80fcfc761593520
+  secret_key_base: 6c2640a4cd5352d96caea5bfb073ec7b827ad609f5a5a99680dbd56f2506dc0aecfe568404a0a63fc19529f7c7a38ac403635f83497580b3dec2afc16b7972b4
 
 test:
-  secret_key_base: 2cd2c891cb21f0f3c32ae91f2bb6108760491b68fa7f07e89772daf5835f1c19e0aed4eaf48d16c9befc0f86fb9cb14e0adc68ac665926ad4ff6f1fcdd94281d
+  secret_key_base: 1b2d1b8c35dc3bcc8327819d95a1e635c64ae5038d25c4630463514a945c710da4923f2b8489f81021511fb59ee258e19735e50fb0df3c7efc3f06dc294c748f
 
 # Do not keep production secrets in the repository,
 # instead read values from the environment.