Use Ruby 1.9 Hash syntax in railties

94 files changed, 447 insertions, 447 deletions

diff --git a/railties/lib/rails.rb b/railties/lib/rails.rb
index d7e22cc839..dd51a6fb01 100644
--- a/railties/lib/rails.rb
+++ b/railties/lib/rails.rb
@@ -106,7 +106,7 @@ module Rails
     # * The environment variable RAILS_GROUPS;
     # * The optional envs given as argument and the hash with group dependencies;
     #
-    #   groups :assets => [:development, :test]
+    #   groups assets: [:development, :test]
     #
     #   # Returns
     #   # => [:default, :development, :assets] for Rails.env == "development"
diff --git a/railties/lib/rails/application.rb b/railties/lib/rails/application.rb
index 0a717c76b3..eff5bbbdd6 100644
--- a/railties/lib/rails/application.rb
+++ b/railties/lib/rails/application.rb
@@ -71,7 +71,7 @@ module Rails
     attr_reader :reloaders
     attr_writer :queue
 
-    delegate :default_url_options, :default_url_options=, :to => :routes
+    delegate :default_url_options, :default_url_options=, to: :routes
 
     def initialize
       super
@@ -106,7 +106,7 @@ module Rails
     def key_generator
       # number of iterations selected based on consultation with the google security
       # team. Details at https://github.com/rails/rails/pull/6952#issuecomment-7661220
-      @key_generator ||= ActiveSupport::KeyGenerator.new(config.secret_token, :iterations=>1000)
+      @key_generator ||= ActiveSupport::KeyGenerator.new(config.secret_token, iterations: 1000)
     end
 
     # Stores some of the Rails initial environment parameters which
@@ -296,9 +296,9 @@ module Rails
 
           if rack_cache == true
             rack_cache = {
-              :metastore => "rails:/",
-              :entitystore => "rails:/",
-              :verbose => false
+              metastore: "rails:/",
+              entitystore: "rails:/",
+              verbose: false
             }
           end
 
diff --git a/railties/lib/rails/application/bootstrap.rb b/railties/lib/rails/application/bootstrap.rb
index a1bc95550b..62d57c0cc6 100644
--- a/railties/lib/rails/application/bootstrap.rb
+++ b/railties/lib/rails/application/bootstrap.rb
@@ -7,13 +7,13 @@ module Rails
     module Bootstrap
       include Initializable
 
-      initializer :load_environment_hook, :group => :all do end
+      initializer :load_environment_hook, group: :all do end
 
-      initializer :load_active_support, :group => :all do
+      initializer :load_active_support, group: :all do
         require "active_support/all" unless config.active_support.bare
       end
 
-      initializer :set_eager_load, :group => :all do
+      initializer :set_eager_load, group: :all do
         if config.eager_load.nil?
           warn <<-INFO
 config.eager_load is set to nil. Please update your config/environments/*.rb files accordingly:
@@ -28,7 +28,7 @@ INFO
       end
 
       # Initialize the logger early in the stack in case we need to log some deprecation.
-      initializer :initialize_logger, :group => :all do
+      initializer :initialize_logger, group: :all do
         Rails.logger ||= config.logger || begin
           path = config.paths["log"].first
           unless File.exist? File.dirname path
@@ -56,7 +56,7 @@ INFO
       end
 
       # Initialize cache early in the stack so railties can make use of it.
-      initializer :initialize_cache, :group => :all do
+      initializer :initialize_cache, group: :all do
         unless Rails.cache
           Rails.cache = ActiveSupport::Cache.lookup_store(config.cache_store)
 
@@ -67,11 +67,11 @@ INFO
       end
 
       # Sets the dependency loading mechanism.
-      initializer :initialize_dependency_mechanism, :group => :all do
+      initializer :initialize_dependency_mechanism, group: :all do
         ActiveSupport::Dependencies.mechanism = config.cache_classes ? :require : :load
       end
 
-      initializer :bootstrap_hook, :group => :all do |app|
+      initializer :bootstrap_hook, group: :all do |app|
         ActiveSupport.run_load_hooks(:before_initialize, app)
       end
     end
diff --git a/railties/lib/rails/application/configuration.rb b/railties/lib/rails/application/configuration.rb
index 9b89d7094c..c3e75a643b 100644
--- a/railties/lib/rails/application/configuration.rb
+++ b/railties/lib/rails/application/configuration.rb
@@ -79,10 +79,10 @@ module Rails
       def paths
         @paths ||= begin
           paths = super
-          paths.add "config/database",    :with => "config/database.yml"
-          paths.add "config/environment", :with => "config/environment.rb"
+          paths.add "config/database",    with: "config/database.yml"
+          paths.add "config/environment", with: "config/environment.rb"
           paths.add "lib/templates"
-          paths.add "log",                :with => "log/#{Rails.env}.log"
+          paths.add "log",                with: "log/#{Rails.env}.log"
           paths.add "public"
           paths.add "public/javascripts"
           paths.add "public/stylesheets"
diff --git a/railties/lib/rails/application/finisher.rb b/railties/lib/rails/application/finisher.rb
index 4a15a36ba9..c520f7af9d 100644
--- a/railties/lib/rails/application/finisher.rb
+++ b/railties/lib/rails/application/finisher.rb
@@ -72,7 +72,7 @@ module Rails
 
       # Set app reload just after the finisher hook to ensure
       # paths added in the hook are still loaded.
-      initializer :set_clear_dependencies_hook, :group => :all do
+      initializer :set_clear_dependencies_hook, group: :all do
         callback = lambda do
           ActiveSupport::DescendantsTracker.clear
           ActiveSupport::Dependencies.clear
@@ -83,7 +83,7 @@ module Rails
           self.reloaders << reloader
           # We need to set a to_prepare callback regardless of the reloader result, i.e.
           # models should be reloaded if any of the reloaders (i18n, routes) were updated.
-          ActionDispatch::Reloader.to_prepare(:prepend => true){ reloader.execute }
+          ActionDispatch::Reloader.to_prepare(prepend: true){ reloader.execute }
         else
           ActionDispatch::Reloader.to_cleanup(&callback)
         end
diff --git a/railties/lib/rails/application/routes_reloader.rb b/railties/lib/rails/application/routes_reloader.rb
index 6f9a200aa9..737977adf9 100644
--- a/railties/lib/rails/application/routes_reloader.rb
+++ b/railties/lib/rails/application/routes_reloader.rb
@@ -4,7 +4,7 @@ module Rails
   class Application
     class RoutesReloader
       attr_reader :route_sets, :paths
-      delegate :execute_if_updated, :execute, :updated?, :to => :updater
+      delegate :execute_if_updated, :execute, :updated?, to: :updater
 
       def initialize
         @paths      = []
diff --git a/railties/lib/rails/commands/destroy.rb b/railties/lib/rails/commands/destroy.rb
index 9023c61bf2..5479da86a0 100644
--- a/railties/lib/rails/commands/destroy.rb
+++ b/railties/lib/rails/commands/destroy.rb
@@ -6,4 +6,4 @@ if [nil, "-h", "--help"].include?(ARGV.first)
 end
 
 name = ARGV.shift
-Rails::Generators.invoke name, ARGV, :behavior => :revoke, :destination_root => Rails.root
+Rails::Generators.invoke name, ARGV, behavior: :revoke, destination_root: Rails.root
diff --git a/railties/lib/rails/commands/generate.rb b/railties/lib/rails/commands/generate.rb
index 9f13cb0513..351c59c645 100644
--- a/railties/lib/rails/commands/generate.rb
+++ b/railties/lib/rails/commands/generate.rb
@@ -8,4 +8,4 @@ end
 name = ARGV.shift
 
 root = defined?(ENGINE_ROOT) ? ENGINE_ROOT : Rails.root
-Rails::Generators.invoke name, ARGV, :behavior => :invoke, :destination_root => root
+Rails::Generators.invoke name, ARGV, behavior: :invoke, destination_root: root
diff --git a/railties/lib/rails/commands/runner.rb b/railties/lib/rails/commands/runner.rb
index a672258aa6..0cc672e01c 100644
--- a/railties/lib/rails/commands/runner.rb
+++ b/railties/lib/rails/commands/runner.rb
@@ -1,7 +1,7 @@
 require 'optparse'
 require 'rbconfig'
 
-options = { :environment => (ENV['RAILS_ENV'] || "development").dup }
+options = { environment: (ENV['RAILS_ENV'] || "development").dup }
 code_or_file = nil
 
 if ARGV.first.nil?
diff --git a/railties/lib/rails/commands/server.rb b/railties/lib/rails/commands/server.rb
index a684129353..80fdc06cd2 100644
--- a/railties/lib/rails/commands/server.rb
+++ b/railties/lib/rails/commands/server.rb
@@ -105,13 +105,13 @@ module Rails
 
     def default_options
       super.merge({
-        :Port        => 3000,
-        :DoNotReverseLookup => true,
-        :environment => (ENV['RAILS_ENV'] || "development").dup,
-        :daemonize   => false,
-        :debugger    => false,
-        :pid         => File.expand_path("tmp/pids/server.pid"),
-        :config      => File.expand_path("config.ru")
+        Port:         3000,
+        DoNotReverseLookup:  true,
+        environment:  (ENV['RAILS_ENV'] || "development").dup,
+        daemonize:    false,
+        debugger:     false,
+        pid:          File.expand_path("tmp/pids/server.pid"),
+        config:       File.expand_path("config.ru")
       })
     end
   end
diff --git a/railties/lib/rails/commands/update.rb b/railties/lib/rails/commands/update.rb
index 85a81cddf0..59fae5c337 100644
--- a/railties/lib/rails/commands/update.rb
+++ b/railties/lib/rails/commands/update.rb
@@ -6,4 +6,4 @@ if ARGV.size == 0
 end
 
 name = ARGV.shift
-Rails::Generators.invoke name, ARGV, :behavior => :skip
+Rails::Generators.invoke name, ARGV, behavior: :skip
diff --git a/railties/lib/rails/engine.rb b/railties/lib/rails/engine.rb
index 7afb599910..2c2bb1c714 100644
--- a/railties/lib/rails/engine.rb
+++ b/railties/lib/rails/engine.rb
@@ -251,7 +251,7 @@ module Rails
   #
   #   # config/routes.rb
   #   MyApplication::Application.routes.draw do
-  #     mount MyEngine::Engine => "/my_engine", :as => "my_engine"
+  #     mount MyEngine::Engine => "/my_engine", as: "my_engine"
   #     get "/foo" => "foo#index"
   #   end
   #
@@ -368,7 +368,7 @@ module Rails
       def isolate_namespace(mod)
         engine_name(generate_railtie_name(mod))
 
-        self.routes.default_scope = { :module => ActiveSupport::Inflector.underscore(mod.name) }
+        self.routes.default_scope = { module: ActiveSupport::Inflector.underscore(mod.name) }
         self.isolated = true
 
         unless mod.respond_to?(:railtie_namespace)
@@ -407,8 +407,8 @@ module Rails
       end
     end
 
-    delegate :middleware, :root, :paths, :to => :config
-    delegate :engine_name, :isolated?, :to => "self.class"
+    delegate :middleware, :root, :paths, to: :config
+    delegate :engine_name, :isolated?, to: "self.class"
 
     def initialize
       @_all_autoload_paths = nil
@@ -536,7 +536,7 @@ module Rails
     end
 
     # Add configured load paths to ruby load paths and remove duplicates.
-    initializer :set_load_path, :before => :bootstrap_hook do
+    initializer :set_load_path, before: :bootstrap_hook do
       _all_load_paths.reverse_each do |path|
         $LOAD_PATH.unshift(path) if File.directory?(path)
       end
@@ -548,7 +548,7 @@ module Rails
     #
     # This needs to be an initializer, since it needs to run once
     # per engine and get the engine as a block parameter
-    initializer :set_autoload_paths, :before => :bootstrap_hook do |app|
+    initializer :set_autoload_paths, before: :bootstrap_hook do |app|
       ActiveSupport::Dependencies.autoload_paths.unshift(*_all_autoload_paths)
       ActiveSupport::Dependencies.autoload_once_paths.unshift(*_all_autoload_once_paths)
 
@@ -581,13 +581,13 @@ module Rails
       end
     end
 
-    initializer :load_environment_config, :before => :load_environment_hook, :group => :all do
+    initializer :load_environment_config, before: :load_environment_hook, group: :all do
       paths["config/environments"].existent.each do |environment|
         require environment
       end
     end
 
-    initializer :append_assets_path, :group => :all do |app|
+    initializer :append_assets_path, group: :all do |app|
       app.config.assets.paths.unshift(*paths["vendor/assets"].existent_directories)
       app.config.assets.paths.unshift(*paths["lib/assets"].existent_directories)
       app.config.assets.paths.unshift(*paths["app/assets"].existent_directories)
diff --git a/railties/lib/rails/engine/configuration.rb b/railties/lib/rails/engine/configuration.rb
index 6b18b1e249..22e885a3a6 100644
--- a/railties/lib/rails/engine/configuration.rb
+++ b/railties/lib/rails/engine/configuration.rb
@@ -20,7 +20,7 @@ module Rails
       # Holds generators configuration:
       #
       #   config.generators do |g|
-      #     g.orm             :data_mapper, :migration => true
+      #     g.orm             :data_mapper, migration: true
       #     g.template_engine :haml
       #     g.test_framework  :rspec
       #   end
@@ -38,26 +38,26 @@ module Rails
       def paths
         @paths ||= begin
           paths = Rails::Paths::Root.new(@root)
-          paths.add "app",                 :eager_load => true, :glob => "*"
-          paths.add "app/assets",          :glob => "*"
-          paths.add "app/controllers",     :eager_load => true
-          paths.add "app/helpers",         :eager_load => true
-          paths.add "app/models",          :eager_load => true
-          paths.add "app/mailers",         :eager_load => true
+          paths.add "app",                 eager_load: true, glob: "*"
+          paths.add "app/assets",          glob: "*"
+          paths.add "app/controllers",     eager_load: true
+          paths.add "app/helpers",         eager_load: true
+          paths.add "app/models",          eager_load: true
+          paths.add "app/mailers",         eager_load: true
           paths.add "app/views"
-          paths.add "lib",                 :load_path => true
-          paths.add "lib/assets",          :glob => "*"
-          paths.add "lib/tasks",           :glob => "**/*.rake"
+          paths.add "lib",                 load_path: true
+          paths.add "lib/assets",          glob: "*"
+          paths.add "lib/tasks",           glob: "**/*.rake"
           paths.add "config"
-          paths.add "config/environments", :glob => "#{Rails.env}.rb"
-          paths.add "config/initializers", :glob => "**/*.rb"
-          paths.add "config/locales",      :glob => "*.{rb,yml}"
+          paths.add "config/environments", glob: "#{Rails.env}.rb"
+          paths.add "config/initializers", glob: "**/*.rb"
+          paths.add "config/locales",      glob: "*.{rb,yml}"
           paths.add "config/routes.rb"
           paths.add "db"
           paths.add "db/migrate"
           paths.add "db/seeds.rb"
-          paths.add "vendor",              :load_path => true
-          paths.add "vendor/assets",       :glob => "*"
+          paths.add "vendor",              load_path: true
+          paths.add "vendor/assets",       glob: "*"
           paths
         end
       end
diff --git a/railties/lib/rails/generators.rb b/railties/lib/rails/generators.rb
index a8c0626a41..367f9288b8 100644
--- a/railties/lib/rails/generators.rb
+++ b/railties/lib/rails/generators.rb
@@ -23,41 +23,41 @@ module Rails
     mattr_accessor :namespace
 
     DEFAULT_ALIASES = {
-      :rails => {
-        :actions => '-a',
-        :orm => '-o',
-        :javascripts => '-j',
-        :javascript_engine => '-je',
-        :resource_controller => '-c',
-        :scaffold_controller => '-c',
-        :stylesheets => '-y',
-        :stylesheet_engine => '-se',
-        :template_engine => '-e',
-        :test_framework => '-t'
+      rails: {
+        actions: '-a',
+        orm: '-o',
+        javascripts: '-j',
+        javascript_engine: '-je',
+        resource_controller: '-c',
+        scaffold_controller: '-c',
+        stylesheets: '-y',
+        stylesheet_engine: '-se',
+        template_engine: '-e',
+        test_framework: '-t'
       },
 
-      :test_unit => {
-        :fixture_replacement => '-r',
+      test_unit: {
+        fixture_replacement: '-r',
       }
     }
 
     DEFAULT_OPTIONS = {
-      :rails => {
-        :assets => true,
-        :force_plural => false,
-        :helper => true,
-        :integration_tool => nil,
-        :javascripts => true,
-        :javascript_engine => :js,
-        :orm => false,
-        :performance_tool => nil,
-        :resource_controller => :controller,
-        :resource_route => true,
-        :scaffold_controller => :scaffold_controller,
-        :stylesheets => true,
-        :stylesheet_engine => :css,
-        :test_framework => false,
-        :template_engine => :erb
+      rails: {
+        assets: true,
+        force_plural: false,
+        helper: true,
+        integration_tool: nil,
+        javascripts: true,
+        javascript_engine: :js,
+        orm: false,
+        performance_tool: nil,
+        resource_controller: :controller,
+        resource_route: true,
+        scaffold_controller: :scaffold_controller,
+        stylesheets: true,
+        stylesheet_engine: :css,
+        test_framework: false,
+        template_engine: :erb
       }
     }
 
diff --git a/railties/lib/rails/generators/actions.rb b/railties/lib/rails/generators/actions.rb
index c41acc7841..5c4e81431c 100644
--- a/railties/lib/rails/generators/actions.rb
+++ b/railties/lib/rails/generators/actions.rb
@@ -7,9 +7,9 @@ module Rails
 
       # Adds an entry into Gemfile for the supplied gem.
       #
-      #   gem "rspec", :group => :test
-      #   gem "technoweenie-restful-authentication", :lib => "restful-authentication", :source => "http://gems.github.com/"
-      #   gem "rails", "3.0", :git => "git://github.com/rails/rails"
+      #   gem "rspec", group: :test
+      #   gem "technoweenie-restful-authentication", lib: "restful-authentication", source: "http://gems.github.com/"
+      #   gem "rails", "3.0", git: "git://github.com/rails/rails"
       def gem(*args)
         options = args.extract_options!
         name, version = args
@@ -33,7 +33,7 @@ module Rails
           str = "gem #{parts.join(", ")}"
           str = "  " + str if @in_group
           str = "\n" + str
-          append_file "Gemfile", str, :verbose => false
+          append_file "Gemfile", str, verbose: false
         end
       end
 
@@ -47,13 +47,13 @@ module Rails
         log :gemfile, "group #{name}"
 
         in_root do
-          append_file "Gemfile", "\ngroup #{name} do", :force => true
+          append_file "Gemfile", "\ngroup #{name} do", force: true
 
           @in_group = true
           instance_eval(&block)
           @in_group = false
 
-          append_file "Gemfile", "\nend\n", :force => true
+          append_file "Gemfile", "\nend\n", force: true
         end
       end
 
@@ -64,7 +64,7 @@ module Rails
         log :source, source
 
         in_root do
-          prepend_file "Gemfile", "source #{source.inspect}\n", :verbose => false
+          prepend_file "Gemfile", "source #{source.inspect}\n", verbose: false
         end
       end
 
@@ -77,7 +77,7 @@ module Rails
       #     "config.autoload_paths += %W(#{config.root}/extras)"
       #   end
       #
-      #   environment(nil, :env => "development") do
+      #   environment(nil, env: "development") do
       #     "config.active_record.observers = :cacher"
       #   end
       def environment(data=nil, options={}, &block)
@@ -87,10 +87,10 @@ module Rails
 
         in_root do
           if options[:env].nil?
-            inject_into_file 'config/application.rb', "\n    #{data}", :after => sentinel, :verbose => false
+            inject_into_file 'config/application.rb', "\n    #{data}", after: sentinel, verbose: false
           else
             Array(options[:env]).each do |env|
-              inject_into_file "config/environments/#{env}.rb", "\n  #{data}", :after => env_file_sentinel, :verbose => false
+              inject_into_file "config/environments/#{env}.rb", "\n  #{data}", after: env_file_sentinel, verbose: false
             end
           end
         end
@@ -100,8 +100,8 @@ module Rails
       # Run a command in git.
       #
       #   git :init
-      #   git :add => "this.file that.rb"
-      #   git :add => "onefile.rb", :rm => "badfile.cxx"
+      #   git add: "this.file that.rb"
+      #   git add: "onefile.rb", rm: "badfile.cxx"
       def git(commands={})
         if commands.is_a?(Symbol)
           run "git #{commands}"
@@ -123,7 +123,7 @@ module Rails
       #   vendor("foreign.rb", "# Foreign code is fun")
       def vendor(filename, data=nil, &block)
         log :vendor, filename
-        create_file("vendor/#{filename}", data, :verbose => false, &block)
+        create_file("vendor/#{filename}", data, verbose: false, &block)
       end
 
       # Create a new file in the lib/ directory. Code can be specified
@@ -136,7 +136,7 @@ module Rails
       #   lib("foreign.rb", "# Foreign code is fun")
       def lib(filename, data=nil, &block)
         log :lib, filename
-        create_file("lib/#{filename}", data, :verbose => false, &block)
+        create_file("lib/#{filename}", data, verbose: false, &block)
       end
 
       # Create a new Rakefile with the provided code (either in a block or a string).
@@ -156,7 +156,7 @@ module Rails
       #   rakefile('seed.rake', 'puts "Planting seeds"')
       def rakefile(filename, data=nil, &block)
         log :rakefile, filename
-        create_file("lib/tasks/#{filename}", data, :verbose => false, &block)
+        create_file("lib/tasks/#{filename}", data, verbose: false, &block)
       end
 
       # Create a new initializer with the provided code (either in a block or a string).
@@ -174,7 +174,7 @@ module Rails
       #   initializer("api.rb", "API_KEY = '123456'")
       def initializer(filename, data=nil, &block)
         log :initializer, filename
-        create_file("config/initializers/#{filename}", data, :verbose => false, &block)
+        create_file("config/initializers/#{filename}", data, verbose: false, &block)
       end
 
       # Generate something using a generator from Rails or a plugin.
@@ -186,19 +186,19 @@ module Rails
         log :generate, what
         argument = args.map {|arg| arg.to_s }.flatten.join(" ")
 
-        in_root { run_ruby_script("script/rails generate #{what} #{argument}", :verbose => false) }
+        in_root { run_ruby_script("script/rails generate #{what} #{argument}", verbose: false) }
       end
 
       # Runs the supplied rake task
       #
       #   rake("db:migrate")
-      #   rake("db:migrate", :env => "production")
-      #   rake("gems:install", :sudo => true)
+      #   rake("db:migrate", env: "production")
+      #   rake("gems:install", sudo: true)
       def rake(command, options={})
         log :rake, command
         env  = options[:env] || ENV["RAILS_ENV"] || 'development'
         sudo = options[:sudo] && RbConfig::CONFIG['host_os'] !~ /mswin|mingw/ ? 'sudo ' : ''
-        in_root { run("#{sudo}#{extify(:rake)} #{command} RAILS_ENV=#{env}", :verbose => false) }
+        in_root { run("#{sudo}#{extify(:rake)} #{command} RAILS_ENV=#{env}", verbose: false) }
       end
 
       # Just run the capify command in root
@@ -206,7 +206,7 @@ module Rails
       #   capify!
       def capify!
         log :capify, ""
-        in_root { run("#{extify(:capify)} .", :verbose => false) }
+        in_root { run("#{extify(:capify)} .", verbose: false) }
       end
 
       # Make an entry in Rails routing file config/routes.rb
@@ -217,7 +217,7 @@ module Rails
         sentinel = /\.routes\.draw do\s*$/
 
         in_root do
-          inject_into_file 'config/routes.rb', "\n  #{routing_code}", { :after => sentinel, :verbose => false }
+          inject_into_file 'config/routes.rb', "\n  #{routing_code}", { after: sentinel, verbose: false }
         end
       end
 
diff --git a/railties/lib/rails/generators/base.rb b/railties/lib/rails/generators/base.rb
index 5ca1bfc20f..7e938fab47 100644
--- a/railties/lib/rails/generators/base.rb
+++ b/railties/lib/rails/generators/base.rb
@@ -61,7 +61,7 @@ module Rails
       #
       #   module Rails::Generators
       #     class ControllerGenerator < Base
-      #       hook_for :test_framework, :aliases => "-t"
+      #       hook_for :test_framework, aliases: "-t"
       #     end
       #   end
       #
@@ -102,7 +102,7 @@ module Rails
       # :as option:
       #
       #   class AwesomeGenerator < Rails::Generators::Base
-      #     hook_for :test_framework, :as => :controller
+      #     hook_for :test_framework, as: :controller
       #   end
       #
       # And now it will lookup at:
@@ -113,7 +113,7 @@ module Rails
       # need to provide the :base value:
       #
       #   class AwesomeGenerator < Rails::Generators::Base
-      #     hook_for :test_framework, :in => :rails, :as => :controller
+      #     hook_for :test_framework, in: :rails, as: :controller
       #   end
       #
       # And the lookup is exactly the same as previously:
@@ -137,7 +137,7 @@ module Rails
       # developers might want to have webrat available on controller generator.
       # This can be achieved as:
       #
-      #   Rails::Generators::ControllerGenerator.hook_for :webrat, :type => :boolean
+      #   Rails::Generators::ControllerGenerator.hook_for :webrat, type: :boolean
       #
       # Then, if you want webrat to be invoked, just supply:
       #
@@ -171,9 +171,9 @@ module Rails
           defaults = if options[:type] == :boolean
             { }
           elsif [true, false].include?(default_value_for_option(name, options))
-            { :banner => "" }
+            { banner: "" }
           else
-            { :desc => "#{name.to_s.humanize} to be invoked", :banner => "NAME" }
+            { desc: "#{name.to_s.humanize} to be invoked", banner: "NAME" }
           end
 
           unless class_options.key?(name)
@@ -343,8 +343,8 @@ module Rails
         # Small macro to add ruby as an option to the generator with proper
         # default value plus an instance helper method called shebang.
         def self.add_shebang_option!
-          class_option :ruby, :type => :string, :aliases => "-r", :default => Thor::Util.ruby_command,
-                              :desc => "Path to the Ruby binary of your choice", :banner => "PATH"
+          class_option :ruby, type: :string, aliases: "-r", default: Thor::Util.ruby_command,
+                              desc: "Path to the Ruby binary of your choice", banner: "PATH"
 
           no_tasks {
             define_method :shebang do
diff --git a/railties/lib/rails/generators/erb/controller/controller_generator.rb b/railties/lib/rails/generators/erb/controller/controller_generator.rb
index 89e6361f93..5f06734ab8 100644
--- a/railties/lib/rails/generators/erb/controller/controller_generator.rb
+++ b/railties/lib/rails/generators/erb/controller/controller_generator.rb
@@ -3,7 +3,7 @@ require 'rails/generators/erb'
 module Erb # :nodoc:
   module Generators # :nodoc:
     class ControllerGenerator < Base # :nodoc:
-      argument :actions, :type => :array, :default => [], :banner => "action action"
+      argument :actions, type: :array, default: [], banner: "action action"
 
       def copy_view_files
         base_path = File.join("app/views", class_path, file_name)
diff --git a/railties/lib/rails/generators/erb/scaffold/scaffold_generator.rb b/railties/lib/rails/generators/erb/scaffold/scaffold_generator.rb
index 54ed648df4..bacbc2d280 100644
--- a/railties/lib/rails/generators/erb/scaffold/scaffold_generator.rb
+++ b/railties/lib/rails/generators/erb/scaffold/scaffold_generator.rb
@@ -6,7 +6,7 @@ module Erb # :nodoc:
     class ScaffoldGenerator < Base # :nodoc:
       include Rails::Generators::ResourceHelpers
 
-      argument :attributes, :type => :array, :default => [], :banner => "field:type field:type"
+      argument :attributes, type: :array, default: [], banner: "field:type field:type"
 
       def create_root_folder
         empty_directory File.join("app/views", controller_file_path)
diff --git a/railties/lib/rails/generators/generated_attribute.rb b/railties/lib/rails/generators/generated_attribute.rb
index 231813f774..d8a4f15b4b 100644
--- a/railties/lib/rails/generators/generated_attribute.rb
+++ b/railties/lib/rails/generators/generated_attribute.rb
@@ -23,7 +23,7 @@ module Rails
           type = type.to_sym if type
 
           if type && reference?(type)
-            references_index = UNIQ_INDEX_OPTIONS.include?(has_index) ? { :unique => true } : true
+            references_index = UNIQ_INDEX_OPTIONS.include?(has_index) ? { unique: true } : true
             attr_options[:index] = references_index
           end
 
@@ -41,11 +41,11 @@ module Rails
         def parse_type_and_options(type)
           case type
           when /(string|text|binary|integer)\{(\d+)\}/
-            return $1, :limit => $2.to_i
+            return $1, limit: $2.to_i
           when /decimal\{(\d+)[,.-](\d+)\}/
-            return :decimal, :precision => $1.to_i, :scale => $2.to_i
+            return :decimal, precision: $1.to_i, scale: $2.to_i
           when /(references|belongs_to)\{polymorphic\}/
-            return $1, :polymorphic => true
+            return $1, polymorphic: true
           else
             return type, {}
           end
diff --git a/railties/lib/rails/generators/named_base.rb b/railties/lib/rails/generators/named_base.rb
index b61a5fc69d..84f8f76838 100644
--- a/railties/lib/rails/generators/named_base.rb
+++ b/railties/lib/rails/generators/named_base.rb
@@ -5,9 +5,9 @@ require 'rails/generators/generated_attribute'
 module Rails
   module Generators
     class NamedBase < Base
-      argument :name, :type => :string
-      class_option :skip_namespace, :type => :boolean, :default => false,
-                                    :desc => "Skip namespace (affects only isolated applications)"
+      argument :name, type: :string
+      class_option :skip_namespace, type: :boolean, default: false,
+                                    desc: "Skip namespace (affects only isolated applications)"
 
       def initialize(args, *options) #:nodoc:
         @inside_template = nil
@@ -169,7 +169,7 @@ module Rails
         #
         # ==== Examples
         #
-        #   check_class_collision :suffix => "Observer"
+        #   check_class_collision suffix: "Observer"
         #
         # If the generator is invoked with class name Admin, it will check for
         # the presence of "AdminObserver".
diff --git a/railties/lib/rails/generators/rails/app/app_generator.rb b/railties/lib/rails/generators/rails/app/app_generator.rb
index 67e7c4d54f..18637451ac 100644
--- a/railties/lib/rails/generators/rails/app/app_generator.rb
+++ b/railties/lib/rails/generators/rails/app/app_generator.rb
@@ -96,7 +96,7 @@ module Rails
     end
 
     def public_directory
-      directory "public", "public", :recursive => false
+      directory "public", "public", recursive: false
       if options[:skip_index_html]
         remove_file "public/index.html"
         remove_file 'app/assets/images/rails.png'
@@ -108,7 +108,7 @@ module Rails
       directory "script" do |content|
         "#{shebang}\n" + content
       end
-      chmod "script", 0755, :verbose => false
+      chmod "script", 0755, verbose: false
     end
 
     def test
@@ -152,8 +152,8 @@ module Rails
       add_shared_options_for "application"
 
       # Add bin/rails options
-      class_option :version, :type => :boolean, :aliases => "-v", :group => :rails,
-                             :desc => "Show Rails version number and quit"
+      class_option :version, type: :boolean, aliases: "-v", group: :rails,
+                             desc: "Show Rails version number and quit"
 
       def initialize(*args)
         raise Error, "Options should be given after the application name. For details run: rails --help" if args[0].blank?
diff --git a/railties/lib/rails/generators/rails/assets/assets_generator.rb b/railties/lib/rails/generators/rails/assets/assets_generator.rb
index e4f07bba2e..6f4b86e708 100644
--- a/railties/lib/rails/generators/rails/assets/assets_generator.rb
+++ b/railties/lib/rails/generators/rails/assets/assets_generator.rb
@@ -1,11 +1,11 @@
 module Rails
   module Generators
     class AssetsGenerator < NamedBase # :nodoc:
-      class_option :javascripts, :type => :boolean, :desc => "Generate JavaScripts"
-      class_option :stylesheets, :type => :boolean, :desc => "Generate Stylesheets"
+      class_option :javascripts, type: :boolean, desc: "Generate JavaScripts"
+      class_option :stylesheets, type: :boolean, desc: "Generate Stylesheets"
 
-      class_option :javascript_engine, :desc => "Engine for JavaScripts"
-      class_option :stylesheet_engine, :desc => "Engine for Stylesheets"
+      class_option :javascript_engine, desc: "Engine for JavaScripts"
+      class_option :stylesheet_engine, desc: "Engine for Stylesheets"
 
       protected
 
diff --git a/railties/lib/rails/generators/rails/controller/controller_generator.rb b/railties/lib/rails/generators/rails/controller/controller_generator.rb
index 1482fc28d4..bae54623c6 100644
--- a/railties/lib/rails/generators/rails/controller/controller_generator.rb
+++ b/railties/lib/rails/generators/rails/controller/controller_generator.rb
@@ -1,8 +1,8 @@
 module Rails
   module Generators
     class ControllerGenerator < NamedBase # :nodoc:
-      argument :actions, :type => :array, :default => [], :banner => "action action"
-      check_class_collision :suffix => "Controller"
+      argument :actions, type: :array, default: [], banner: "action action"
+      check_class_collision suffix: "Controller"
 
       def create_controller_files
         template 'controller.rb', File.join('app/controllers', class_path, "#{file_name}_controller.rb")
diff --git a/railties/lib/rails/generators/rails/generator/generator_generator.rb b/railties/lib/rails/generators/rails/generator/generator_generator.rb
index 8a0fdbf2fb..9a7a516b5b 100644
--- a/railties/lib/rails/generators/rails/generator/generator_generator.rb
+++ b/railties/lib/rails/generators/rails/generator/generator_generator.rb
@@ -1,10 +1,10 @@
 module Rails
   module Generators
     class GeneratorGenerator < NamedBase # :nodoc:
-      check_class_collision :suffix => "Generator"
+      check_class_collision suffix: "Generator"
 
-      class_option :namespace, :type => :boolean, :default => true,
-                               :desc => "Namespace generator under lib/generators/name"
+      class_option :namespace, type: :boolean, default: true,
+                               desc: "Namespace generator under lib/generators/name"
 
       def create_generator_files
         directory '.', generator_dir
diff --git a/railties/lib/rails/generators/rails/helper/helper_generator.rb b/railties/lib/rails/generators/rails/helper/helper_generator.rb
index a1f83ac3e4..5ff38e4111 100644
--- a/railties/lib/rails/generators/rails/helper/helper_generator.rb
+++ b/railties/lib/rails/generators/rails/helper/helper_generator.rb
@@ -1,7 +1,7 @@
 module Rails
   module Generators
     class HelperGenerator < NamedBase # :nodoc:
-      check_class_collision :suffix => "Helper"
+      check_class_collision suffix: "Helper"
 
       def create_helper_files
         template 'helper.rb', File.join('app/helpers', class_path, "#{file_name}_helper.rb")
diff --git a/railties/lib/rails/generators/rails/integration_test/integration_test_generator.rb b/railties/lib/rails/generators/rails/integration_test/integration_test_generator.rb
index 9258ae1ee8..70770ddcb8 100644
--- a/railties/lib/rails/generators/rails/integration_test/integration_test_generator.rb
+++ b/railties/lib/rails/generators/rails/integration_test/integration_test_generator.rb
@@ -1,7 +1,7 @@
 module Rails
   module Generators
     class IntegrationTestGenerator < NamedBase # :nodoc:
-      hook_for :integration_tool, :as => :integration
+      hook_for :integration_tool, as: :integration
     end
   end
 end
diff --git a/railties/lib/rails/generators/rails/migration/migration_generator.rb b/railties/lib/rails/generators/rails/migration/migration_generator.rb
index 2e1b6a27d8..965c42db36 100644
--- a/railties/lib/rails/generators/rails/migration/migration_generator.rb
+++ b/railties/lib/rails/generators/rails/migration/migration_generator.rb
@@ -1,8 +1,8 @@
 module Rails
   module Generators
     class MigrationGenerator < NamedBase # :nodoc:
-      argument :attributes, :type => :array, :default => [], :banner => "field[:type][:index] field[:type][:index]"
-      hook_for :orm, :required => true
+      argument :attributes, type: :array, default: [], banner: "field[:type][:index] field[:type][:index]"
+      hook_for :orm, required: true
     end
   end
 end
diff --git a/railties/lib/rails/generators/rails/model/model_generator.rb b/railties/lib/rails/generators/rails/model/model_generator.rb
index af1617fadf..ea3d69d7c9 100644
--- a/railties/lib/rails/generators/rails/model/model_generator.rb
+++ b/railties/lib/rails/generators/rails/model/model_generator.rb
@@ -1,8 +1,8 @@
 module Rails
   module Generators
     class ModelGenerator < NamedBase # :nodoc:
-      argument :attributes, :type => :array, :default => [], :banner => "field[:type][:index] field[:type][:index]"
-      hook_for :orm, :required => true
+      argument :attributes, type: :array, default: [], banner: "field[:type][:index] field[:type][:index]"
+      hook_for :orm, required: true
     end
   end
 end
diff --git a/railties/lib/rails/generators/rails/observer/observer_generator.rb b/railties/lib/rails/generators/rails/observer/observer_generator.rb
index a11085eb0f..7a4d701ac6 100644
--- a/railties/lib/rails/generators/rails/observer/observer_generator.rb
+++ b/railties/lib/rails/generators/rails/observer/observer_generator.rb
@@ -1,7 +1,7 @@
 module Rails
   module Generators
     class ObserverGenerator < NamedBase # :nodoc:
-      hook_for :orm, :required => true
+      hook_for :orm, required: true
     end
   end
 end
diff --git a/railties/lib/rails/generators/rails/performance_test/performance_test_generator.rb b/railties/lib/rails/generators/rails/performance_test/performance_test_generator.rb
index 83771c3dd7..56cd562f3d 100644
--- a/railties/lib/rails/generators/rails/performance_test/performance_test_generator.rb
+++ b/railties/lib/rails/generators/rails/performance_test/performance_test_generator.rb
@@ -1,7 +1,7 @@
 module Rails
   module Generators
     class PerformanceTestGenerator < NamedBase # :nodoc:
-      hook_for :performance_tool, :as => :performance
+      hook_for :performance_tool, as: :performance
     end
   end
 end
diff --git a/railties/lib/rails/generators/rails/plugin_new/plugin_new_generator.rb b/railties/lib/rails/generators/rails/plugin_new/plugin_new_generator.rb
index 42e0246f76..4a0bcc35a4 100644
--- a/railties/lib/rails/generators/rails/plugin_new/plugin_new_generator.rb
+++ b/railties/lib/rails/generators/rails/plugin_new/plugin_new_generator.rb
@@ -68,7 +68,7 @@ module Rails
       append_file "Rakefile", <<-EOF
 #{rakefile_test_tasks}
 
-task :default => :test
+task default: :test
       EOF
       if full?
         template "test/integration/navigation_test.rb"
@@ -89,10 +89,10 @@ task :default => :test
     end
 
     def test_dummy_config
-      template "rails/boot.rb", "#{dummy_path}/config/boot.rb", :force => true
-      template "rails/application.rb", "#{dummy_path}/config/application.rb", :force => true
+      template "rails/boot.rb", "#{dummy_path}/config/boot.rb", force: true
+      template "rails/application.rb", "#{dummy_path}/config/application.rb", force: true
       if mountable?
-        template "rails/routes.rb", "#{dummy_path}/config/routes.rb", :force => true
+        template "rails/routes.rb", "#{dummy_path}/config/routes.rb", force: true
       end
     end
 
@@ -135,10 +135,10 @@ task :default => :test
     def script(force = false)
       return unless full?
 
-      directory "script", :force => force do |content|
+      directory "script", force: force do |content|
         "#{shebang}\n" + content
       end
-      chmod "script", 0755, :verbose => false
+      chmod "script", 0755, verbose: false
     end
 
     def gemfile_entry
@@ -158,20 +158,20 @@ task :default => :test
 
       alias_method :plugin_path, :app_path
 
-      class_option :dummy_path,   :type => :string, :default => "test/dummy",
-                                  :desc => "Create dummy application at given path"
+      class_option :dummy_path,   type: :string, default: "test/dummy",
+                                  desc: "Create dummy application at given path"
 
-      class_option :full,         :type => :boolean, :default => false,
-                                  :desc => "Generate a rails engine with bundled Rails application for testing"
+      class_option :full,         type: :boolean, default: false,
+                                  desc: "Generate a rails engine with bundled Rails application for testing"
 
-      class_option :mountable,    :type => :boolean, :default => false,
-                                  :desc => "Generate mountable isolated application"
+      class_option :mountable,    type: :boolean, default: false,
+                                  desc: "Generate mountable isolated application"
 
-      class_option :skip_gemspec, :type => :boolean, :default => false,
-                                  :desc => "Skip gemspec file"
+      class_option :skip_gemspec, type: :boolean, default: false,
+                                  desc: "Skip gemspec file"
 
-      class_option :skip_gemfile_entry, :type => :boolean, :default => false,
-                                        :desc => "If creating plugin in application's directory " +
+      class_option :skip_gemfile_entry, type: :boolean, default: false,
+                                        desc: "If creating plugin in application's directory " +
                                                  "skip adding entry to Gemfile"
 
       def initialize(*args)
diff --git a/railties/lib/rails/generators/rails/plugin_new/templates/app/views/layouts/%name%/application.html.erb.tt b/railties/lib/rails/generators/rails/plugin_new/templates/app/views/layouts/%name%/application.html.erb.tt
index bd983fb90f..1d380420b4 100644
--- a/railties/lib/rails/generators/rails/plugin_new/templates/app/views/layouts/%name%/application.html.erb.tt
+++ b/railties/lib/rails/generators/rails/plugin_new/templates/app/views/layouts/%name%/application.html.erb.tt
@@ -2,7 +2,7 @@
 <html>
 <head>
   <title><%= camelized %></title>
-  <%%= stylesheet_link_tag    "<%= name %>/application", :media => "all" %>
+  <%%= stylesheet_link_tag    "<%= name %>/application", media: "all" %>
   <%%= javascript_include_tag "<%= name %>/application" %>
   <%%= csrf_meta_tags %>
 </head>
diff --git a/railties/lib/rails/generators/rails/resource/resource_generator.rb b/railties/lib/rails/generators/rails/resource/resource_generator.rb
index d3ba597dbd..8014feb75f 100644
--- a/railties/lib/rails/generators/rails/resource/resource_generator.rb
+++ b/railties/lib/rails/generators/rails/resource/resource_generator.rb
@@ -7,14 +7,14 @@ module Rails
     class ResourceGenerator < ModelGenerator # :nodoc:
       include ResourceHelpers
 
-      hook_for :resource_controller, :required => true do |controller|
+      hook_for :resource_controller, required: true do |controller|
         invoke controller, [ controller_name, options[:actions] ]
       end
 
-      class_option :actions, :type => :array, :banner => "ACTION ACTION", :default => [],
-                             :desc => "Actions for the resource controller"
+      class_option :actions, type: :array, banner: "ACTION ACTION", default: [],
+                             desc: "Actions for the resource controller"
 
-      hook_for :resource_route, :required => true
+      hook_for :resource_route, required: true
     end
   end
 end
diff --git a/railties/lib/rails/generators/rails/scaffold/scaffold_generator.rb b/railties/lib/rails/generators/rails/scaffold/scaffold_generator.rb
index c33c99e989..b4f466fbd8 100644
--- a/railties/lib/rails/generators/rails/scaffold/scaffold_generator.rb
+++ b/railties/lib/rails/generators/rails/scaffold/scaffold_generator.rb
@@ -6,10 +6,10 @@ module Rails
       remove_hook_for :resource_controller
       remove_class_option :actions
 
-      class_option :stylesheets, :type => :boolean, :desc => "Generate Stylesheets"
-      class_option :stylesheet_engine, :desc => "Engine for Stylesheets"
+      class_option :stylesheets, type: :boolean, desc: "Generate Stylesheets"
+      class_option :stylesheet_engine, desc: "Engine for Stylesheets"
 
-      hook_for :scaffold_controller, :required => true
+      hook_for :scaffold_controller, required: true
 
       hook_for :assets do |assets|
         invoke assets, [controller_name]
diff --git a/railties/lib/rails/generators/rails/scaffold_controller/scaffold_controller_generator.rb b/railties/lib/rails/generators/rails/scaffold_controller/scaffold_controller_generator.rb
index df069ca937..4f36b612ae 100644
--- a/railties/lib/rails/generators/rails/scaffold_controller/scaffold_controller_generator.rb
+++ b/railties/lib/rails/generators/rails/scaffold_controller/scaffold_controller_generator.rb
@@ -5,21 +5,21 @@ module Rails
     class ScaffoldControllerGenerator < NamedBase # :nodoc:
       include ResourceHelpers
 
-      check_class_collision :suffix => "Controller"
+      check_class_collision suffix: "Controller"
 
-      class_option :orm, :banner => "NAME", :type => :string, :required => true,
-                         :desc => "ORM to generate the controller for"
+      class_option :orm, banner: "NAME", type: :string, required: true,
+                         desc: "ORM to generate the controller for"
 
-      argument :attributes, :type => :array, :default => [], :banner => "field:type field:type"
+      argument :attributes, type: :array, default: [], banner: "field:type field:type"
 
       def create_controller_files
         template "controller.rb", File.join('app/controllers', class_path, "#{controller_file_name}_controller.rb")
       end
 
-      hook_for :template_engine, :test_framework, :as => :scaffold
+      hook_for :template_engine, :test_framework, as: :scaffold
 
       # Invoke the helper using the controller name (pluralized)
-      hook_for :helper, :as => :scaffold do |invoked|
+      hook_for :helper, as: :scaffold do |invoked|
         invoke invoked, [ controller_name ]
       end
     end
diff --git a/railties/lib/rails/generators/rails/task/task_generator.rb b/railties/lib/rails/generators/rails/task/task_generator.rb
index cf3d1182ea..754824ca0c 100644
--- a/railties/lib/rails/generators/rails/task/task_generator.rb
+++ b/railties/lib/rails/generators/rails/task/task_generator.rb
@@ -1,7 +1,7 @@
 module Rails
   module Generators
     class TaskGenerator < NamedBase # :nodoc:
-      argument :actions, :type => :array, :default => [], :banner => "action action"
+      argument :actions, type: :array, default: [], banner: "action action"
 
       def create_task_files
         template 'task.rb', File.join('lib/tasks', "#{file_name}.rake")
diff --git a/railties/lib/rails/generators/rails/task/templates/task.rb b/railties/lib/rails/generators/rails/task/templates/task.rb
index b7407bd6dc..1e3ed5f158 100644
--- a/railties/lib/rails/generators/rails/task/templates/task.rb
+++ b/railties/lib/rails/generators/rails/task/templates/task.rb
@@ -1,7 +1,7 @@
 namespace :<%= file_name %> do
 <% actions.each do |action| -%>
   desc "TODO"
-  task :<%= action %> => :environment do
+  task <%= action %>: :environment do
   end
 
 <% end -%>
diff --git a/railties/lib/rails/generators/resource_helpers.rb b/railties/lib/rails/generators/resource_helpers.rb
index 3df25219ab..7fd5c00768 100644
--- a/railties/lib/rails/generators/resource_helpers.rb
+++ b/railties/lib/rails/generators/resource_helpers.rb
@@ -8,7 +8,7 @@ module Rails
       mattr_accessor :skip_warn
 
       def self.included(base) #:nodoc:
-        base.class_option :force_plural, :type => :boolean, :desc => "Forces the use of a plural ModelName"
+        base.class_option :force_plural, type: :boolean, desc: "Forces the use of a plural ModelName"
       end
 
       # Set controller variables on initialization.
diff --git a/railties/lib/rails/generators/test_case.rb b/railties/lib/rails/generators/test_case.rb
index 30ae805348..24308dcf6c 100644
--- a/railties/lib/rails/generators/test_case.rb
+++ b/railties/lib/rails/generators/test_case.rb
@@ -200,12 +200,12 @@ module Rails
       # You can provide a configuration hash as second argument. This method returns the output
       # printed by the generator.
       def run_generator(args=self.default_arguments, config={})
-        capture(:stdout) { self.generator_class.start(args, config.reverse_merge(:destination_root => destination_root)) }
+        capture(:stdout) { self.generator_class.start(args, config.reverse_merge(destination_root: destination_root)) }
       end
 
       # Instantiate the generator.
       def generator(args=self.default_arguments, options={}, config={})
-        @generator ||= self.generator_class.new(args, options, config.reverse_merge(:destination_root => destination_root))
+        @generator ||= self.generator_class.new(args, options, config.reverse_merge(destination_root: destination_root))
       end
 
       # Create a Rails::Generators::GeneratedAttribute by supplying the
diff --git a/railties/lib/rails/generators/test_unit/controller/controller_generator.rb b/railties/lib/rails/generators/test_unit/controller/controller_generator.rb
index c53930f994..b5aa581769 100644
--- a/railties/lib/rails/generators/test_unit/controller/controller_generator.rb
+++ b/railties/lib/rails/generators/test_unit/controller/controller_generator.rb
@@ -3,8 +3,8 @@ require 'rails/generators/test_unit'
 module TestUnit # :nodoc:
   module Generators # :nodoc:
     class ControllerGenerator < Base # :nodoc:
-      argument :actions, :type => :array, :default => [], :banner => "action action"
-      check_class_collision :suffix => "ControllerTest"
+      argument :actions, type: :array, default: [], banner: "action action"
+      check_class_collision suffix: "ControllerTest"
 
       def create_test_files
         template 'functional_test.rb',
diff --git a/railties/lib/rails/generators/test_unit/helper/helper_generator.rb b/railties/lib/rails/generators/test_unit/helper/helper_generator.rb
index bcd370098e..0db76f9eaf 100644
--- a/railties/lib/rails/generators/test_unit/helper/helper_generator.rb
+++ b/railties/lib/rails/generators/test_unit/helper/helper_generator.rb
@@ -3,7 +3,7 @@ require 'rails/generators/test_unit'
 module TestUnit # :nodoc:
   module Generators # :nodoc:
     class HelperGenerator < Base # :nodoc:
-      check_class_collision :suffix => "HelperTest"
+      check_class_collision suffix: "HelperTest"
 
       def create_helper_files
         template 'helper_test.rb', File.join('test/helpers', class_path, "#{file_name}_helper_test.rb")
diff --git a/railties/lib/rails/generators/test_unit/integration/integration_generator.rb b/railties/lib/rails/generators/test_unit/integration/integration_generator.rb
index 427d128275..e004835bd5 100644
--- a/railties/lib/rails/generators/test_unit/integration/integration_generator.rb
+++ b/railties/lib/rails/generators/test_unit/integration/integration_generator.rb
@@ -3,7 +3,7 @@ require 'rails/generators/test_unit'
 module TestUnit # :nodoc:
   module Generators # :nodoc:
     class IntegrationGenerator < Base # :nodoc:
-      check_class_collision :suffix => "Test"
+      check_class_collision suffix: "Test"
 
       def create_test_files
         template 'integration_test.rb', File.join('test/integration', class_path, "#{file_name}_test.rb")
diff --git a/railties/lib/rails/generators/test_unit/mailer/mailer_generator.rb b/railties/lib/rails/generators/test_unit/mailer/mailer_generator.rb
index 570a733227..3334b189bf 100644
--- a/railties/lib/rails/generators/test_unit/mailer/mailer_generator.rb
+++ b/railties/lib/rails/generators/test_unit/mailer/mailer_generator.rb
@@ -3,8 +3,8 @@ require 'rails/generators/test_unit'
 module TestUnit # :nodoc:
   module Generators # :nodoc:
     class MailerGenerator < Base # :nodoc:
-      argument :actions, :type => :array, :default => [], :banner => "method method"
-      check_class_collision :suffix => "Test"
+      argument :actions, type: :array, default: [], banner: "method method"
+      check_class_collision suffix: "Test"
 
       def create_test_files
         template "functional_test.rb", File.join('test/mailers', class_path, "#{file_name}_test.rb")
diff --git a/railties/lib/rails/generators/test_unit/model/model_generator.rb b/railties/lib/rails/generators/test_unit/model/model_generator.rb
index 9b73f3561f..2801749ffe 100644
--- a/railties/lib/rails/generators/test_unit/model/model_generator.rb
+++ b/railties/lib/rails/generators/test_unit/model/model_generator.rb
@@ -3,10 +3,10 @@ require 'rails/generators/test_unit'
 module TestUnit # :nodoc:
   module Generators # :nodoc:
     class ModelGenerator < Base # :nodoc:
-      argument :attributes, :type => :array, :default => [], :banner => "field:type field:type"
-      class_option :fixture, :type => :boolean
+      argument :attributes, type: :array, default: [], banner: "field:type field:type"
+      class_option :fixture, type: :boolean
 
-      check_class_collision :suffix => "Test"
+      check_class_collision suffix: "Test"
 
       def create_test_file
         template 'unit_test.rb', File.join('test/models', class_path, "#{file_name}_test.rb")
diff --git a/railties/lib/rails/generators/test_unit/observer/observer_generator.rb b/railties/lib/rails/generators/test_unit/observer/observer_generator.rb
index 8bfb749743..64fe694a8b 100644
--- a/railties/lib/rails/generators/test_unit/observer/observer_generator.rb
+++ b/railties/lib/rails/generators/test_unit/observer/observer_generator.rb
@@ -3,7 +3,7 @@ require 'rails/generators/test_unit'
 module TestUnit # :nodoc:
   module Generators # :nodoc:
     class ObserverGenerator < Base # :nodoc:
-      check_class_collision :suffix => "ObserverTest"
+      check_class_collision suffix: "ObserverTest"
 
       def create_test_files
         template 'unit_test.rb',  File.join('test/models', class_path, "#{file_name}_observer_test.rb")
diff --git a/railties/lib/rails/generators/test_unit/performance/performance_generator.rb b/railties/lib/rails/generators/test_unit/performance/performance_generator.rb
index 9a80d1ea54..5552edeee4 100644
--- a/railties/lib/rails/generators/test_unit/performance/performance_generator.rb
+++ b/railties/lib/rails/generators/test_unit/performance/performance_generator.rb
@@ -3,7 +3,7 @@ require 'rails/generators/test_unit'
 module TestUnit # :nodoc:
   module Generators # :nodoc:
     class PerformanceGenerator < Base # :nodoc:
-      check_class_collision :suffix => "Test"
+      check_class_collision suffix: "Test"
 
       def create_test_files
         template 'performance_test.rb', File.join('test/performance', class_path, "#{file_name}_test.rb")
diff --git a/railties/lib/rails/generators/test_unit/performance/templates/performance_test.rb b/railties/lib/rails/generators/test_unit/performance/templates/performance_test.rb
index 2f25dcf832..2bcb482d68 100644
--- a/railties/lib/rails/generators/test_unit/performance/templates/performance_test.rb
+++ b/railties/lib/rails/generators/test_unit/performance/templates/performance_test.rb
@@ -3,8 +3,8 @@ require 'rails/performance_test_help'
 
 class <%= class_name %>Test < ActionDispatch::PerformanceTest
   # Refer to the documentation for all available options
-  # self.profile_options = { :runs => 5, :metrics => [:wall_time, :memory],
-  #                          :output => 'tmp/performance', :formats => [:flat] }
+  # self.profile_options = { runs: 5, metrics: [:wall_time, :memory],
+  #                          output: 'tmp/performance', formats: [:flat] }
 
   test "homepage" do
     get '/'
diff --git a/railties/lib/rails/generators/test_unit/plugin/plugin_generator.rb b/railties/lib/rails/generators/test_unit/plugin/plugin_generator.rb
index 41e8873783..b5d4f38444 100644
--- a/railties/lib/rails/generators/test_unit/plugin/plugin_generator.rb
+++ b/railties/lib/rails/generators/test_unit/plugin/plugin_generator.rb
@@ -3,7 +3,7 @@ require 'rails/generators/test_unit'
 module TestUnit # :nodoc:
   module Generators # :nodoc:
     class PluginGenerator < Base # :nodoc:
-      check_class_collision :suffix => "Test"
+      check_class_collision suffix: "Test"
 
       def create_test_files
         directory '.', 'test'
diff --git a/railties/lib/rails/generators/test_unit/scaffold/scaffold_generator.rb b/railties/lib/rails/generators/test_unit/scaffold/scaffold_generator.rb
index 0462c15224..3b4fec2e83 100644
--- a/railties/lib/rails/generators/test_unit/scaffold/scaffold_generator.rb
+++ b/railties/lib/rails/generators/test_unit/scaffold/scaffold_generator.rb
@@ -6,9 +6,9 @@ module TestUnit # :nodoc:
     class ScaffoldGenerator < Base # :nodoc:
       include Rails::Generators::ResourceHelpers
 
-      check_class_collision :suffix => "ControllerTest"
+      check_class_collision suffix: "ControllerTest"
 
-      argument :attributes, :type => :array, :default => [], :banner => "field:type field:type"
+      argument :attributes, type: :array, default: [], banner: "field:type field:type"
 
       def create_test_files
         template "functional_test.rb",
diff --git a/railties/lib/rails/info_controller.rb b/railties/lib/rails/info_controller.rb
index 512803aeac..e94c6a2030 100644
--- a/railties/lib/rails/info_controller.rb
+++ b/railties/lib/rails/info_controller.rb
@@ -23,7 +23,7 @@ class Rails::InfoController < ActionController::Base
 
   def require_local!
     unless local_request?
-      render :text => '<p>For security purposes, this information is only available to local requests.</p>', :status => :forbidden
+      render text: '<p>For security purposes, this information is only available to local requests.</p>', status: :forbidden
     end
   end
 
diff --git a/railties/lib/rails/paths.rb b/railties/lib/rails/paths.rb
index 9826aecb54..8af4130e87 100644
--- a/railties/lib/rails/paths.rb
+++ b/railties/lib/rails/paths.rb
@@ -5,7 +5,7 @@ module Rails
     # paths by a Hash like API. It requires you to give a physical path on initialization.
     #
     #   root = Root.new "/rails"
-    #   root.add "app/controllers", :eager_load => true
+    #   root.add "app/controllers", eager_load: true
     #
     # The command above creates a new root object and add "app/controllers" as a path.
     # This means we can get a <tt>Rails::Paths::Path</tt> object back like below:
@@ -26,7 +26,7 @@ module Rails
     # contains the path with the same path value given to +add+. In some situations,
     # you may not want this behavior, so you can give :with as option.
     #
-    #   root.add "config/routes", :with => "config/routes.rb"
+    #   root.add "config/routes", with: "config/routes.rb"
     #   root["config/routes"].inspect # => ["config/routes.rb"]
     #
     # The +add+ method accepts the following options as arguments:
@@ -52,7 +52,7 @@ module Rails
 
       def []=(path, value)
         glob = self[path] ? self[path].glob : nil
-        add(path, :with => value, :glob => glob)
+        add(path, with: value, glob: glob)
       end
 
       def add(path, options={})
diff --git a/railties/lib/rails/railtie.rb b/railties/lib/rails/railtie.rb
index fba685c769..5b454e7f20 100644
--- a/railties/lib/rails/railtie.rb
+++ b/railties/lib/rails/railtie.rb
@@ -172,7 +172,7 @@ module Rails
         end
     end
 
-    delegate :railtie_name, :to => "self.class"
+    delegate :railtie_name, to: "self.class"
 
     def config
       @config ||= Railtie::Configuration.new
diff --git a/railties/lib/rails/railtie/configurable.rb b/railties/lib/rails/railtie/configurable.rb
index 53796c74cf..1572af0b2a 100644
--- a/railties/lib/rails/railtie/configurable.rb
+++ b/railties/lib/rails/railtie/configurable.rb
@@ -6,7 +6,7 @@ module Rails
       extend ActiveSupport::Concern
 
       module ClassMethods
-        delegate :config, :to => :instance
+        delegate :config, to: :instance
 
         def inherited(base)
           raise "You cannot inherit from a #{self.superclass.name} child"
diff --git a/railties/lib/rails/railtie/configuration.rb b/railties/lib/rails/railtie/configuration.rb
index 9dc8843887..0cbbf04da2 100644
--- a/railties/lib/rails/railtie/configuration.rb
+++ b/railties/lib/rails/railtie/configuration.rb
@@ -50,23 +50,23 @@ module Rails
 
       # First configurable block to run. Called before any initializers are run.
       def before_configuration(&block)
-        ActiveSupport.on_load(:before_configuration, :yield => true, &block)
+        ActiveSupport.on_load(:before_configuration, yield: true, &block)
       end
 
       # Third configurable block to run. Does not run if +config.cache_classes+
       # set to false.
       def before_eager_load(&block)
-        ActiveSupport.on_load(:before_eager_load, :yield => true, &block)
+        ActiveSupport.on_load(:before_eager_load, yield: true, &block)
       end
 
       # Second configurable block to run. Called before frameworks initialize.
       def before_initialize(&block)
-        ActiveSupport.on_load(:before_initialize, :yield => true, &block)
+        ActiveSupport.on_load(:before_initialize, yield: true, &block)
       end
 
       # Last configurable block to run. Called after frameworks initialize.
       def after_initialize(&block)
-        ActiveSupport.on_load(:after_initialize, :yield => true, &block)
+        ActiveSupport.on_load(:after_initialize, yield: true, &block)
       end
 
       # Array of callbacks defined by #to_prepare.
diff --git a/railties/lib/rails/tasks/annotations.rake b/railties/lib/rails/tasks/annotations.rake
index 9067b03d00..386ecf44be 100644
--- a/railties/lib/rails/tasks/annotations.rake
+++ b/railties/lib/rails/tasks/annotations.rake
@@ -2,7 +2,7 @@ require 'rails/source_annotation_extractor'
 
 desc "Enumerate all annotations (use notes:optimize, :fixme, :todo for focus)"
 task :notes do
-  SourceAnnotationExtractor.enumerate "OPTIMIZE|FIXME|TODO", :tag => true
+  SourceAnnotationExtractor.enumerate "OPTIMIZE|FIXME|TODO", tag: true
 end
 
 namespace :notes do
diff --git a/railties/lib/rails/tasks/framework.rake b/railties/lib/rails/tasks/framework.rake
index f9cff5b627..50499304cb 100644
--- a/railties/lib/rails/tasks/framework.rake
+++ b/railties/lib/rails/tasks/framework.rake
@@ -1,6 +1,6 @@
 namespace :rails do
   desc "Update configs and some other initially generated files (or use just update:configs, update:scripts, or update:application_controller)"
-  task :update => [ "update:configs", "update:scripts", "update:application_controller" ]
+  task update: [ "update:configs", "update:scripts", "update:application_controller" ]
 
   desc "Applies the template supplied by LOCATION=(/path/to/template) or URL"
   task :template do
@@ -9,8 +9,8 @@ namespace :rails do
     template = File.expand_path(template) if template !~ %r{\A[A-Za-z][A-Za-z0-9+\-\.]*://}
     require 'rails/generators'
     require 'rails/generators/rails/app/app_generator'
-    generator = Rails::Generators::AppGenerator.new [Rails.root], {}, :destination_root => Rails.root
-    generator.apply template, :verbose => false
+    generator = Rails::Generators::AppGenerator.new [Rails.root], {}, destination_root: Rails.root
+    generator.apply template, verbose: false
   end
 
   namespace :templates do
@@ -44,8 +44,8 @@ namespace :rails do
       @app_generator ||= begin
         require 'rails/generators'
         require 'rails/generators/rails/app/app_generator'
-        gen = Rails::Generators::AppGenerator.new ["rails"], { :with_dispatchers => true },
-                                                             :destination_root => Rails.root
+        gen = Rails::Generators::AppGenerator.new ["rails"], { with_dispatchers: true },
+                                                             destination_root: Rails.root
         File.exists?(Rails.root.join("config", "application.rb")) ?
           gen.send(:app_const) : gen.send(:valid_app_const?)
         gen
diff --git a/railties/lib/rails/tasks/middleware.rake b/railties/lib/rails/tasks/middleware.rake
index cd35ffb19a..31e961b483 100644
--- a/railties/lib/rails/tasks/middleware.rake
+++ b/railties/lib/rails/tasks/middleware.rake
@@ -1,5 +1,5 @@
 desc 'Prints out your Rack middleware stack'
-task :middleware => :environment do
+task middleware: :environment do
   Rails.configuration.middleware.each do |middleware|
     puts "use #{middleware.inspect}"
   end
diff --git a/railties/lib/rails/tasks/misc.rake b/railties/lib/rails/tasks/misc.rake
index 0a9b9ff4ff..4195106961 100644
--- a/railties/lib/rails/tasks/misc.rake
+++ b/railties/lib/rails/tasks/misc.rake
@@ -5,7 +5,7 @@ task :secret do
 end
 
 desc 'List versions of all Rails frameworks and the environment'
-task :about => :environment do
+task about: :environment do
   puts Rails::Info
 end
 
@@ -26,7 +26,7 @@ namespace :time do
       require 'active_support'
       require 'active_support/time'
       jan_offset = Time.now.beginning_of_year.utc_offset
-      jul_offset = Time.now.beginning_of_year.change(:month => 7).utc_offset
+      jul_offset = Time.now.beginning_of_year.change(month: 7).utc_offset
       offset = jan_offset < jul_offset ? jan_offset : jul_offset
       build_time_zone_list(:all, offset)
     end
diff --git a/railties/lib/rails/tasks/routes.rake b/railties/lib/rails/tasks/routes.rake
index 95f47566ef..676b475640 100644
--- a/railties/lib/rails/tasks/routes.rake
+++ b/railties/lib/rails/tasks/routes.rake
@@ -1,5 +1,5 @@
 desc 'Print out all defined routes in match order, with names. Target specific controller with CONTROLLER=x.'
-task :routes => :environment do
+task routes: :environment do
   all_routes = Rails.application.routes.routes
   require 'action_dispatch/routing/inspector'
   inspector = ActionDispatch::Routing::RoutesInspector.new
diff --git a/railties/lib/rails/tasks/tmp.rake b/railties/lib/rails/tasks/tmp.rake
index 0bb64ced95..116988665f 100644
--- a/railties/lib/rails/tasks/tmp.rake
+++ b/railties/lib/rails/tasks/tmp.rake
@@ -1,6 +1,6 @@
 namespace :tmp do
   desc "Clear session, cache, and socket files from tmp/ (narrow w/ tmp:sessions:clear, tmp:cache:clear, tmp:sockets:clear)"
-  task :clear => [ "tmp:sessions:clear",  "tmp:cache:clear", "tmp:sockets:clear"]
+  task clear: [ "tmp:sessions:clear",  "tmp:cache:clear", "tmp:sockets:clear"]
 
   tmp_dirs = [ 'tmp/sessions',
                'tmp/cache',
@@ -13,7 +13,7 @@ namespace :tmp do
   tmp_dirs.each { |d| directory d }
 
   desc "Creates tmp directories for sessions, cache, sockets, and pids"
-  task :create => tmp_dirs
+  task create: tmp_dirs
 
   namespace :sessions do
     # desc "Clears all files in tmp/sessions"
diff --git a/railties/lib/rails/test_unit/railtie.rb b/railties/lib/rails/test_unit/railtie.rb
index 2b6170ebfb..ed89ce4128 100644
--- a/railties/lib/rails/test_unit/railtie.rb
+++ b/railties/lib/rails/test_unit/railtie.rb
@@ -1,8 +1,8 @@
 module Rails
   class TestUnitRailtie < Rails::Railtie
     config.app_generators do |c|
-      c.test_framework :test_unit, :fixture => true,
-                                   :fixture_replacement => nil
+      c.test_framework :test_unit, fixture: true,
+                                   fixture_replacement: nil
 
       c.integration_tool :test_unit
       c.performance_tool :test_unit
diff --git a/railties/lib/rails/test_unit/testing.rake b/railties/lib/rails/test_unit/testing.rake
index 63cb955d44..cd59fbe599 100644
--- a/railties/lib/rails/test_unit/testing.rake
+++ b/railties/lib/rails/test_unit/testing.rake
@@ -43,7 +43,7 @@ module Kernel
   end
 end
 
-task :default => :test
+task default: :test
 
 desc 'Runs test:units, test:functionals, test:integration together (also available: test:benchmark, test:profile)'
 task :test do
@@ -61,7 +61,7 @@ namespace :test do
         Rake::Task[task].invoke
         nil
       rescue => e
-        { :task => task, :exception => e }
+        { task: task, exception: e }
       end
     end.compact
 
@@ -71,7 +71,7 @@ namespace :test do
     end
   end
 
-  Rake::TestTask.new(:recent => "test:prepare") do |t|
+  Rake::TestTask.new(recent: "test:prepare") do |t|
     since = TEST_CHANGES_SINCE
     touched = FileList['test/**/*_test.rb'].select { |path| File.mtime(path) > since } +
       recent_tests('app/models/**/*.rb', 'test/models', since) +
@@ -84,7 +84,7 @@ namespace :test do
   end
   Rake::Task['test:recent'].comment = "Test recent changes"
 
-  Rake::TestTask.new(:uncommitted => "test:prepare") do |t|
+  Rake::TestTask.new(uncommitted: "test:prepare") do |t|
     def t.file_list
       if File.directory?(".svn")
         changed_since_checkin = silence_stderr { `svn status` }.split.map { |path| path.chomp[7 .. -1] }
@@ -108,52 +108,52 @@ namespace :test do
   end
   Rake::Task['test:uncommitted'].comment = "Test changes since last checkin (only Subversion and Git)"
 
-  Rake::TestTask.new(:single => "test:prepare") do |t|
+  Rake::TestTask.new(single: "test:prepare") do |t|
     t.libs << "test"
   end
 
-  Rails::SubTestTask.new(:models => "test:prepare") do |t|
+  Rails::SubTestTask.new(models: "test:prepare") do |t|
     t.libs << "test"
     t.pattern = 'test/models/**/*_test.rb'
   end
 
-  Rails::SubTestTask.new(:helpers => "test:prepare") do |t|
+  Rails::SubTestTask.new(helpers: "test:prepare") do |t|
     t.libs << "test"
     t.pattern = 'test/helpers/**/*_test.rb'
   end
 
-  Rails::SubTestTask.new(:units => "test:prepare") do |t|
+  Rails::SubTestTask.new(units: "test:prepare") do |t|
     t.libs << "test"
     t.pattern = 'test/{models,helpers,unit}/**/*_test.rb'
   end
 
-  Rails::SubTestTask.new(:controllers => "test:prepare") do |t|
+  Rails::SubTestTask.new(controllers: "test:prepare") do |t|
     t.libs << "test"
     t.pattern = 'test/controllers/**/*_test.rb'
   end
 
-  Rails::SubTestTask.new(:mailers => "test:prepare") do |t|
+  Rails::SubTestTask.new(mailers: "test:prepare") do |t|
     t.libs << "test"
     t.pattern = 'test/mailers/**/*_test.rb'
   end
 
-  Rails::SubTestTask.new(:functionals => "test:prepare") do |t|
+  Rails::SubTestTask.new(functionals: "test:prepare") do |t|
     t.libs << "test"
     t.pattern = 'test/{controllers,mailers,functional}/**/*_test.rb'
   end
 
-  Rails::SubTestTask.new(:integration => "test:prepare") do |t|
+  Rails::SubTestTask.new(integration: "test:prepare") do |t|
     t.libs << "test"
     t.pattern = 'test/integration/**/*_test.rb'
   end
 
-  Rails::SubTestTask.new(:benchmark => 'test:prepare') do |t|
+  Rails::SubTestTask.new(benchmark: 'test:prepare') do |t|
     t.libs << 'test'
     t.pattern = 'test/performance/**/*_test.rb'
     t.options = '-- --benchmark'
   end
 
-  Rails::SubTestTask.new(:profile => 'test:prepare') do |t|
+  Rails::SubTestTask.new(profile: 'test:prepare') do |t|
     t.libs << 'test'
     t.pattern = 'test/performance/**/*_test.rb'
   end
diff --git a/railties/test/application/asset_debugging_test.rb b/railties/test/application/asset_debugging_test.rb
index a7b3ae1e9a..1eddfac664 100644
--- a/railties/test/application/asset_debugging_test.rb
+++ b/railties/test/application/asset_debugging_test.rb
@@ -7,7 +7,7 @@ module ApplicationTests
     include Rack::Test::Methods
 
     def setup
-      build_app(:initializers => true)
+      build_app(initializers: true)
 
       app_file "app/assets/javascripts/application.js", "//= require_tree ."
       app_file "app/assets/javascripts/xmlhr.js", "function f1() { alert(); }"
@@ -15,7 +15,7 @@ module ApplicationTests
 
       app_file "config/routes.rb", <<-RUBY
         AppTemplate::Application.routes.draw do
-          get '/posts', :to => "posts#index"
+          get '/posts', to: "posts#index"
         end
       RUBY
 
diff --git a/railties/test/application/assets_test.rb b/railties/test/application/assets_test.rb
index 8a76b2f614..2506d19e6d 100644
--- a/railties/test/application/assets_test.rb
+++ b/railties/test/application/assets_test.rb
@@ -8,7 +8,7 @@ module ApplicationTests
     include Rack::Test::Methods
 
     def setup
-      build_app(:initializers => true)
+      build_app(initializers: true)
       boot_rails
     end
 
@@ -44,7 +44,7 @@ module ApplicationTests
 
       app_file 'config/routes.rb', <<-RUBY
         AppTemplate::Application.routes.draw do
-          get '*path', :to => lambda { |env| [200, { "Content-Type" => "text/html" }, "Not an asset"] }
+          get '*path', to: lambda { |env| [200, { "Content-Type" => "text/html" }, "Not an asset"] }
         end
       RUBY
 
@@ -353,7 +353,7 @@ module ApplicationTests
       class ::OmgController < ActionController::Base
         def index
           flash[:cool_story] = true
-          render :text => "ok"
+          render text: "ok"
         end
       end
 
diff --git a/railties/test/application/configuration_test.rb b/railties/test/application/configuration_test.rb
index 3691c5e3d5..7a120410ba 100644
--- a/railties/test/application/configuration_test.rb
+++ b/railties/test/application/configuration_test.rb
@@ -239,7 +239,7 @@ module ApplicationTests
       class ::OmgController < ActionController::Base
         def index
           cookies.signed[:some_key] = "some_value"
-          render :text => env["action_dispatch.secret_token"]
+          render text: env["action_dispatch.secret_token"]
         end
       end
 
@@ -252,7 +252,7 @@ module ApplicationTests
 
       class ::OmgController < ActionController::Base
         def index
-          render :inline => "<%= csrf_meta_tags %>"
+          render inline: "<%= csrf_meta_tags %>"
         end
       end
 
@@ -272,11 +272,11 @@ module ApplicationTests
       app_file 'app/controllers/posts_controller.rb', <<-RUBY
       class PostsController < ApplicationController
         def show
-          render :inline => "<%= begin; form_for(Post.new) {}; rescue => e; e.to_s; end %>"
+          render inline: "<%= begin; form_for(Post.new) {}; rescue => e; e.to_s; end %>"
         end
 
         def update
-          render :text => "update"
+          render text: "update"
         end
       end
       RUBY
@@ -291,7 +291,7 @@ module ApplicationTests
 
       token = "cf50faa3fe97702ca1ae"
       PostsController.any_instance.stubs(:form_authenticity_token).returns(token)
-      params = {:authenticity_token => token}
+      params = {authenticity_token: token}
 
       get "/posts/1"
       assert_match(/patch/, last_response.body)
@@ -316,7 +316,7 @@ module ApplicationTests
 
       class ::OmgController < ActionController::Base
         def index
-          render :inline => "<%= csrf_meta_tags %>"
+          render inline: "<%= csrf_meta_tags %>"
         end
       end
 
@@ -440,7 +440,7 @@ module ApplicationTests
 
       class ::OmgController < ActionController::Base
         def index
-          render :inline => "<%= image_path('foo.jpg') %>"
+          render inline: "<%= image_path('foo.jpg') %>"
         end
       end
 
@@ -493,7 +493,7 @@ module ApplicationTests
 
       class ::OmgController < ActionController::Base
         def index
-          render :text => env["action_dispatch.show_exceptions"]
+          render text: env["action_dispatch.show_exceptions"]
         end
       end
 
@@ -503,7 +503,7 @@ module ApplicationTests
 
     test "config.action_controller.wrap_parameters is set in ActionController::Base" do
       app_file 'config/initializers/wrap_parameters.rb', <<-RUBY
-        ActionController::Base.wrap_parameters :format => [:json]
+        ActionController::Base.wrap_parameters format: [:json]
       RUBY
 
       app_file 'app/models/post.rb', <<-RUBY
@@ -523,7 +523,7 @@ module ApplicationTests
       app_file 'app/controllers/posts_controller.rb', <<-RUBY
       class PostsController < ApplicationController
         def create
-          render :text => params[:post].inspect
+          render text: params[:post].inspect
         end
       end
       RUBY
@@ -544,7 +544,7 @@ module ApplicationTests
       app_file 'app/controllers/posts_controller.rb', <<-RUBY
       class PostsController < ActionController::Base
         def create
-          render :text => params[:post].permitted? ? "permitted" : "forbidden"
+          render text: params[:post].permitted? ? "permitted" : "forbidden"
         end
       end
       RUBY
@@ -558,7 +558,7 @@ module ApplicationTests
 
       require "#{app_path}/config/environment"
 
-      post "/posts", {:post => {"title" =>"zomg"}}
+      post "/posts", {post: {"title" =>"zomg"}}
       assert_equal 'permitted', last_response.body
     end
 
@@ -570,8 +570,8 @@ module ApplicationTests
       class ::OmgController < ActionController::Base
         def index
           respond_to do |format|
-            format.html { render :text => "HTML" }
-            format.xml { render :text => "XML" }
+            format.html { render text: "HTML" }
+            format.xml { render text: "XML" }
           end
         end
       end
@@ -579,7 +579,7 @@ module ApplicationTests
       get "/", {}, "HTTP_ACCEPT" => "application/xml"
       assert_equal 'HTML', last_response.body
 
-      get "/", { :format => :xml }, "HTTP_ACCEPT" => "application/xml"
+      get "/", { format: :xml }, "HTTP_ACCEPT" => "application/xml"
       assert_equal 'XML', last_response.body
     end
 
diff --git a/railties/test/application/generators_test.rb b/railties/test/application/generators_test.rb
index b80244f1d2..bc0af499c1 100644
--- a/railties/test/application/generators_test.rb
+++ b/railties/test/application/generators_test.rb
@@ -48,22 +48,22 @@ module ApplicationTests
         c.generators.orm            = :data_mapper
         c.generators.test_framework = :rspec
         c.generators.helper         = false
-        expected = { :rails => { :orm => :data_mapper, :test_framework => :rspec, :helper => false } }
+        expected = { rails: { orm: :data_mapper, test_framework: :rspec, helper: false } }
         assert_equal(expected, c.generators.options)
       end
     end
 
     test "generators set rails aliases" do
       with_config do |c|
-        c.generators.aliases = { :rails => { :test_framework => "-w" } }
-        expected = { :rails => { :test_framework => "-w" } }
+        c.generators.aliases = { rails: { test_framework: "-w" } }
+        expected = { rails: { test_framework: "-w" } }
         assert_equal expected, c.generators.aliases
       end
     end
 
     test "generators aliases, options, templates and fallbacks on initialization" do
       add_to_config <<-RUBY
-        config.generators.rails :aliases => { :test_framework => "-w" }
+        config.generators.rails aliases: { test_framework: "-w" }
         config.generators.orm :data_mapper
         config.generators.test_framework :rspec
         config.generators.fallbacks[:shoulda] = :test_unit
@@ -76,7 +76,7 @@ module ApplicationTests
 
       assert_equal :rspec, Rails::Generators.options[:rails][:test_framework]
       assert_equal "-w", Rails::Generators.aliases[:rails][:test_framework]
-      assert_equal Hash[:shoulda => :test_unit], Rails::Generators.fallbacks
+      assert_equal Hash[shoulda: :test_unit], Rails::Generators.fallbacks
       assert_equal ["some/where"], Rails::Generators.templates_path
     end
 
@@ -95,31 +95,31 @@ module ApplicationTests
     test "generators with hashes for options and aliases" do
       with_bare_config do |c|
         c.generators do |g|
-          g.orm    :data_mapper, :migration => false
-          g.plugin :aliases => { :generator => "-g" },
-                   :generator => true
+          g.orm    :data_mapper, migration: false
+          g.plugin aliases: { generator: "-g" },
+                   generator: true
         end
 
         expected = {
-          :rails => { :orm => :data_mapper },
-          :plugin => { :generator => true },
-          :data_mapper => { :migration => false }
+          rails: { orm: :data_mapper },
+          plugin: { generator: true },
+          data_mapper: { migration: false }
         }
 
         assert_equal expected, c.generators.options
-        assert_equal({ :plugin => { :generator => "-g" } }, c.generators.aliases)
+        assert_equal({ plugin: { generator: "-g" } }, c.generators.aliases)
       end
     end
 
     test "generators with string and hash for options should generate symbol keys" do
       with_bare_config do |c|
         c.generators do |g|
-          g.orm    'data_mapper', :migration => false
+          g.orm    'data_mapper', migration: false
         end
 
         expected = {
-          :rails => { :orm => :data_mapper },
-          :data_mapper => { :migration => false }
+          rails: { orm: :data_mapper },
+          data_mapper: { migration: false }
         }
 
         assert_equal expected, c.generators.options
diff --git a/railties/test/application/initializers/i18n_test.rb b/railties/test/application/initializers/i18n_test.rb
index 02d20bc150..489b7ddb92 100644
--- a/railties/test/application/initializers/i18n_test.rb
+++ b/railties/test/application/initializers/i18n_test.rb
@@ -143,7 +143,7 @@ en:
       I18n::Railtie.config.i18n.fallbacks = true
       load_app
       assert I18n.backend.class.included_modules.include?(I18n::Backend::Fallbacks)
-      assert_fallbacks :de => [:de, :en]
+      assert_fallbacks de: [:de, :en]
     end
 
     test "config.i18n.fallbacks = true initializes I18n.fallbacks with default settings even when backend changes" do
@@ -151,37 +151,37 @@ en:
       I18n::Railtie.config.i18n.backend = Class.new(I18n::Backend::Simple).new
       load_app
       assert I18n.backend.class.included_modules.include?(I18n::Backend::Fallbacks)
-      assert_fallbacks :de => [:de, :en]
+      assert_fallbacks de: [:de, :en]
     end
 
     test "config.i18n.fallbacks.defaults = [:'en-US'] initializes fallbacks with en-US as a fallback default" do
       I18n::Railtie.config.i18n.fallbacks.defaults = [:'en-US']
       load_app
-      assert_fallbacks :de => [:de, :'en-US', :en]
+      assert_fallbacks de: [:de, :'en-US', :en]
     end
 
     test "config.i18n.fallbacks.map = { :ca => :'es-ES' } initializes fallbacks with a mapping ca => es-ES" do
       I18n::Railtie.config.i18n.fallbacks.map = { :ca => :'es-ES' }
       load_app
-      assert_fallbacks :ca => [:ca, :"es-ES", :es, :en]
+      assert_fallbacks ca: [:ca, :"es-ES", :es, :en]
     end
 
     test "[shortcut] config.i18n.fallbacks = [:'en-US'] initializes fallbacks with en-US as a fallback default" do
       I18n::Railtie.config.i18n.fallbacks = [:'en-US']
       load_app
-      assert_fallbacks :de => [:de, :'en-US', :en]
+      assert_fallbacks de: [:de, :'en-US', :en]
     end
 
     test "[shortcut] config.i18n.fallbacks = [{ :ca => :'es-ES' }] initializes fallbacks with a mapping de-AT => de-DE" do
       I18n::Railtie.config.i18n.fallbacks.map = { :ca => :'es-ES' }
       load_app
-      assert_fallbacks :ca => [:ca, :"es-ES", :es, :en]
+      assert_fallbacks ca: [:ca, :"es-ES", :es, :en]
     end
 
     test "[shortcut] config.i18n.fallbacks = [:'en-US', { :ca => :'es-ES' }] initializes fallbacks with the given arguments" do
       I18n::Railtie.config.i18n.fallbacks = [:'en-US', { :ca => :'es-ES' }]
       load_app
-      assert_fallbacks :ca => [:ca, :"es-ES", :es, :'en-US', :en]
+      assert_fallbacks ca: [:ca, :"es-ES", :es, :'en-US', :en]
     end
   end
 end
diff --git a/railties/test/application/initializers/notifications_test.rb b/railties/test/application/initializers/notifications_test.rb
index d866a63fe0..baae6fd928 100644
--- a/railties/test/application/initializers/notifications_test.rb
+++ b/railties/test/application/initializers/notifications_test.rb
@@ -33,7 +33,7 @@ module ApplicationTests
       ActiveRecord::Base.logger = logger
 
       # Mimic Active Record notifications
-      instrument "sql.active_record", :name => "SQL", :sql => "SHOW tables"
+      instrument "sql.active_record", name: "SQL", sql: "SHOW tables"
       wait
 
       assert_equal 1, logger.logged(:debug).size
diff --git a/railties/test/application/loading_test.rb b/railties/test/application/loading_test.rb
index fcbc3c048c..ad7172c514 100644
--- a/railties/test/application/loading_test.rb
+++ b/railties/test/application/loading_test.rb
@@ -19,14 +19,14 @@ class LoadingTest < ActiveSupport::TestCase
   test "constants in app are autoloaded" do
     app_file "app/models/post.rb", <<-MODEL
       class Post < ActiveRecord::Base
-        validates_acceptance_of :title, :accept => "omg"
+        validates_acceptance_of :title, accept: "omg"
       end
     MODEL
 
     require "#{rails_root}/config/environment"
     setup_ar!
 
-    p = Post.create(:title => 'omg')
+    p = Post.create(title: 'omg')
     assert_equal 1, Post.count
     assert_equal 'omg', p.title
     p = Post.first
@@ -36,7 +36,7 @@ class LoadingTest < ActiveSupport::TestCase
   test "models without table do not panic on scope definitions when loaded" do
     app_file "app/models/user.rb", <<-MODEL
       class User < ActiveRecord::Base
-        default_scope where(:published => true)
+        default_scope where(published: true)
       end
     MODEL
 
@@ -76,8 +76,8 @@ class LoadingTest < ActiveSupport::TestCase
 
     app_file 'config/routes.rb', <<-RUBY
       AppTemplate::Application.routes.draw do
-        get '/load',   :to => lambda { |env| [200, {}, Post.all] }
-        get '/unload', :to => lambda { |env| [200, {}, []] }
+        get '/load',   to: lambda { |env| [200, {}, Post.all] }
+        get '/unload', to: lambda { |env| [200, {}, []] }
       end
     RUBY
 
@@ -106,7 +106,7 @@ class LoadingTest < ActiveSupport::TestCase
 
     app_file 'config/routes.rb', <<-RUBY
       AppTemplate::Application.routes.draw do
-        get '/c', :to => lambda { |env| [200, {"Content-Type" => "text/plain"}, [User.counter.to_s]] }
+        get '/c', to: lambda { |env| [200, {"Content-Type" => "text/plain"}, [User.counter.to_s]] }
       end
     RUBY
 
@@ -145,7 +145,7 @@ class LoadingTest < ActiveSupport::TestCase
 
     app_file 'config/routes.rb', <<-RUBY
       AppTemplate::Application.routes.draw do
-        get '/c', :to => lambda { |env| [200, {"Content-Type" => "text/plain"}, [User.counter.to_s]] }
+        get '/c', to: lambda { |env| [200, {"Content-Type" => "text/plain"}, [User.counter.to_s]] }
       end
     RUBY
 
@@ -181,7 +181,7 @@ class LoadingTest < ActiveSupport::TestCase
     app_file 'config/routes.rb', <<-RUBY
       $counter = 0
       AppTemplate::Application.routes.draw do
-        get '/c', :to => lambda { |env| User; [200, {"Content-Type" => "text/plain"}, [$counter.to_s]] }
+        get '/c', to: lambda { |env| User; [200, {"Content-Type" => "text/plain"}, [$counter.to_s]] }
       end
     RUBY
 
@@ -212,8 +212,8 @@ class LoadingTest < ActiveSupport::TestCase
 
     app_file 'config/routes.rb', <<-RUBY
       AppTemplate::Application.routes.draw do
-        get '/title', :to => lambda { |env| [200, {"Content-Type" => "text/plain"}, [Post.new.title]] }
-        get '/body',  :to => lambda { |env| [200, {"Content-Type" => "text/plain"}, [Post.new.body]] }
+        get '/title', to: lambda { |env| [200, {"Content-Type" => "text/plain"}, [Post.new.title]] }
+        get '/body',  to: lambda { |env| [200, {"Content-Type" => "text/plain"}, [Post.new.body]] }
       end
     RUBY
 
@@ -229,7 +229,7 @@ class LoadingTest < ActiveSupport::TestCase
       class CreatePosts < ActiveRecord::Migration
         def change
           create_table :posts do |t|
-            t.string :title, :default => "TITLE"
+            t.string :title, default: "TITLE"
           end
         end
       end
@@ -244,7 +244,7 @@ class LoadingTest < ActiveSupport::TestCase
     app_file "db/migrate/2_add_body_to_posts.rb", <<-MIGRATION
       class AddBodyToPosts < ActiveRecord::Migration
         def change
-          add_column :posts, :body, :text, :default => "BODY"
+          add_column :posts, :body, :text, default: "BODY"
         end
       end
     MIGRATION
@@ -297,9 +297,9 @@ class LoadingTest < ActiveSupport::TestCase
   protected
 
   def setup_ar!
-    ActiveRecord::Base.establish_connection(:adapter => "sqlite3", :database => ":memory:")
+    ActiveRecord::Base.establish_connection(adapter: "sqlite3", database: ":memory:")
     ActiveRecord::Migration.verbose = false
-    ActiveRecord::Schema.define(:version => 1) do
+    ActiveRecord::Schema.define(version: 1) do
       create_table :posts do |t|
         t.string :title
       end
diff --git a/railties/test/application/middleware/cache_test.rb b/railties/test/application/middleware/cache_test.rb
index fffe79f9cc..9b6c76e7aa 100644
--- a/railties/test/application/middleware/cache_test.rb
+++ b/railties/test/application/middleware/cache_test.rb
@@ -19,17 +19,17 @@ module ApplicationTests
       controller :expires, <<-RUBY
         class ExpiresController < ApplicationController
           def expires_header
-            expires_in 10, :public => !params[:private]
-            render :text => SecureRandom.hex(16)
+            expires_in 10, public: !params[:private]
+            render text: SecureRandom.hex(16)
           end
 
           def expires_etag
-            render_conditionally(:etag => "1")
+            render_conditionally(etag: "1")
           end
 
           def expires_last_modified
             $last_modified ||= Time.now.utc
-            render_conditionally(:last_modified => $last_modified)
+            render_conditionally(last_modified: $last_modified)
           end
 
           def keeps_if_modified_since
@@ -37,8 +37,8 @@ module ApplicationTests
           end
         private
           def render_conditionally(headers)
-            if stale?(headers.merge(:public => !params[:private]))
-              render :text => SecureRandom.hex(16)
+            if stale?(headers.merge(public: !params[:private]))
+              render text: SecureRandom.hex(16)
             end
           end
         end
@@ -96,13 +96,13 @@ module ApplicationTests
     def test_cache_works_with_expires_private
       simple_controller
 
-      get "/expires/expires_header", :private => true
+      get "/expires/expires_header", private: true
       assert_equal "miss",                last_response.headers["X-Rack-Cache"]
       assert_equal "private, max-age=10", last_response.headers["Cache-Control"]
 
       body = last_response.body
 
-      get "/expires/expires_header", :private => true
+      get "/expires/expires_header", private: true
       assert_equal "miss",           last_response.headers["X-Rack-Cache"]
       assert_not_equal body,         last_response.body
     end
@@ -125,14 +125,14 @@ module ApplicationTests
     def test_cache_works_with_etags_private
       simple_controller
 
-      get "/expires/expires_etag", :private => true
+      get "/expires/expires_etag", private: true
       assert_equal "miss",                                last_response.headers["X-Rack-Cache"]
       assert_equal "must-revalidate, private, max-age=0", last_response.headers["Cache-Control"]
 
       body = last_response.body
       etag = last_response.headers["ETag"]
 
-      get "/expires/expires_etag", {:private => true}, "If-None-Match" => etag
+      get "/expires/expires_etag", {private: true}, "If-None-Match" => etag
       assert_equal     "miss", last_response.headers["X-Rack-Cache"]
       assert_not_equal body,   last_response.body
     end
@@ -155,14 +155,14 @@ module ApplicationTests
     def test_cache_works_with_last_modified_private
       simple_controller
 
-      get "/expires/expires_last_modified", :private => true
+      get "/expires/expires_last_modified", private: true
       assert_equal "miss",                                last_response.headers["X-Rack-Cache"]
       assert_equal "must-revalidate, private, max-age=0", last_response.headers["Cache-Control"]
 
       body = last_response.body
       last = last_response.headers["Last-Modified"]
 
-      get "/expires/expires_last_modified", {:private => true}, "If-Modified-Since" => last
+      get "/expires/expires_last_modified", {private: true}, "If-Modified-Since" => last
       assert_equal     "miss", last_response.headers["X-Rack-Cache"]
       assert_not_equal body,   last_response.body
     end
diff --git a/railties/test/application/middleware/session_test.rb b/railties/test/application/middleware/session_test.rb
index 06dec81d40..5ce41caf61 100644
--- a/railties/test/application/middleware/session_test.rb
+++ b/railties/test/application/middleware/session_test.rb
@@ -36,7 +36,7 @@ module ApplicationTests
             flash[:notice] = "notice"
           end
 
-          render :nothing => true
+          render nothing: true
         end
       end
 
diff --git a/railties/test/application/middleware_test.rb b/railties/test/application/middleware_test.rb
index b2443e6503..c03d35e926 100644
--- a/railties/test/application/middleware_test.rb
+++ b/railties/test/application/middleware_test.rb
@@ -81,10 +81,10 @@ module ApplicationTests
 
     test "ActionDispatch::SSL is configured with options when given" do
       add_to_config "config.force_ssl = true"
-      add_to_config "config.ssl_options = { :host => 'example.com' }"
+      add_to_config "config.ssl_options = { host: 'example.com' }"
       boot!
 
-      assert_equal AppTemplate::Application.middleware.first.args, [{:host => 'example.com'}]
+      assert_equal AppTemplate::Application.middleware.first.args, [{host: 'example.com'}]
     end
 
     test "removing Active Record omits its middleware" do
@@ -169,9 +169,9 @@ module ApplicationTests
       class ::OmgController < ActionController::Base
         def index
           if params[:nothing]
-            render :text => ""
+            render text: ""
           else
-            render :text => "OMG"
+            render text: "OMG"
           end
         end
       end
diff --git a/railties/test/application/rake_test.rb b/railties/test/application/rake_test.rb
index 2e7426150c..c5a68a5152 100644
--- a/railties/test/application/rake_test.rb
+++ b/railties/test/application/rake_test.rb
@@ -46,7 +46,7 @@ module ApplicationTests
         end
 
         rake_tasks do
-          task :do_nothing => :environment do
+          task do_nothing: :environment do
           end
         end
       RUBY
@@ -60,7 +60,7 @@ module ApplicationTests
         config.eager_load = true
 
         rake_tasks do
-          task :do_nothing => :environment do
+          task do_nothing: :environment do
             Hello.new.world
           end
         end
@@ -109,7 +109,7 @@ module ApplicationTests
     def test_rake_routes_calls_the_route_inspector
       app_file "config/routes.rb", <<-RUBY
         AppTemplate::Application.routes.draw do
-          get '/cart', :to => 'cart#show'
+          get '/cart', to: 'cart#show'
         end
       RUBY
       assert_equal "cart GET /cart(.:format) cart#show\n", Dir.chdir(app_path){ `rake routes` }
@@ -118,7 +118,7 @@ module ApplicationTests
     def test_logger_is_flushed_when_exiting_production_rake_tasks
       add_to_config <<-RUBY
         rake_tasks do
-          task :log_something => :environment do
+          task log_something: :environment do
             Rails.logger.error("Sample log message")
           end
         end
@@ -233,7 +233,7 @@ module ApplicationTests
 
         app_file "lib/tasks/count_user.rake", <<-RUBY
           namespace :user do
-            task :count => :environment do
+            task count: :environment do
               puts User.count
             end
           end
diff --git a/railties/test/application/routing_test.rb b/railties/test/application/routing_test.rb
index 396b1849d8..ffcdeac7f0 100644
--- a/railties/test/application/routing_test.rb
+++ b/railties/test/application/routing_test.rb
@@ -50,7 +50,7 @@ module ApplicationTests
       controller :foo, <<-RUBY
         class FooController < ApplicationController
           def index
-            render :inline => "<%= foo_or_bar? %>"
+            render inline: "<%= foo_or_bar? %>"
           end
         end
       RUBY
@@ -76,7 +76,7 @@ module ApplicationTests
     test "mount rack app" do
       app_file 'config/routes.rb', <<-RUBY
         AppTemplate::Application.routes.draw do
-          mount lambda { |env| [200, {}, [env["PATH_INFO"]]] }, :at => "/blog"
+          mount lambda { |env| [200, {}, [env["PATH_INFO"]]] }, at: "/blog"
           # The line below is required because mount sometimes
           # fails when a resource route is added.
           resource :user
@@ -91,7 +91,7 @@ module ApplicationTests
       controller :foo, <<-RUBY
         class FooController < ApplicationController
           def index
-            render :text => "foo"
+            render text: "foo"
           end
         end
       RUBY
@@ -99,7 +99,7 @@ module ApplicationTests
       controller :bar, <<-RUBY
         class BarController < ActionController::Base
           def index
-            render :text => "bar"
+            render text: "bar"
           end
         end
       RUBY
@@ -121,7 +121,7 @@ module ApplicationTests
       controller 'foo', <<-RUBY
         class FooController < ApplicationController
           def index
-            render :text => "foo"
+            render text: "foo"
           end
         end
       RUBY
@@ -130,7 +130,7 @@ module ApplicationTests
         module Admin
           class FooController < ApplicationController
             def index
-              render :text => "admin::foo"
+              render text: "admin::foo"
             end
           end
         end
@@ -138,8 +138,8 @@ module ApplicationTests
 
       app_file 'config/routes.rb', <<-RUBY
         AppTemplate::Application.routes.draw do
-          get 'admin/foo', :to => 'admin/foo#index'
-          get 'foo', :to => 'foo#index'
+          get 'admin/foo', to: 'admin/foo#index'
+          get 'foo', to: 'foo#index'
         end
       RUBY
 
@@ -183,18 +183,18 @@ module ApplicationTests
         controller :foo, <<-RUBY
           class FooController < ApplicationController
             def bar
-              render :text => "bar"
+              render text: "bar"
             end
 
             def baz
-              render :text => "baz"
+              render text: "baz"
             end
           end
         RUBY
 
         app_file 'config/routes.rb', <<-RUBY
           AppTemplate::Application.routes.draw do
-            get 'foo', :to => 'foo#bar'
+            get 'foo', to: 'foo#bar'
           end
         RUBY
 
@@ -205,7 +205,7 @@ module ApplicationTests
 
         app_file 'config/routes.rb', <<-RUBY
           AppTemplate::Application.routes.draw do
-            get 'foo', :to => 'foo#baz'
+            get 'foo', to: 'foo#baz'
           end
         RUBY
 
@@ -226,7 +226,7 @@ module ApplicationTests
 
       app_file 'config/routes.rb', <<-RUBY
         AppTemplate::Application.routes.draw do
-          get 'foo', :to => ::InitializeRackApp
+          get 'foo', to: ::InitializeRackApp
         end
       RUBY
 
@@ -257,7 +257,7 @@ module ApplicationTests
       controller 'yazilar', <<-RUBY
         class YazilarController < ApplicationController
           def index
-            render :text => 'yazilar#index'
+            render text: 'yazilar#index'
           end
         end
       RUBY
diff --git a/railties/test/application/url_generation_test.rb b/railties/test/application/url_generation_test.rb
index f7e60749a7..4ecb94b65e 100644
--- a/railties/test/application/url_generation_test.rb
+++ b/railties/test/application/url_generation_test.rb
@@ -15,7 +15,7 @@ module ApplicationTests
 
       class MyApp < Rails::Application
         config.secret_token = "3b7cd727ee24e8444053437c36cc66c4"
-        config.session_store :cookie_store, :key => "_myapp_session"
+        config.session_store :cookie_store, key: "_myapp_session"
         config.active_support.deprecation = :log
       end
 
@@ -26,12 +26,12 @@ module ApplicationTests
 
       class ::OmgController < ::ApplicationController
         def index
-          render :text => omg_path
+          render text: omg_path
         end
       end
 
       MyApp.routes.draw do
-        get "/" => "omg#index", :as => :omg
+        get "/" => "omg#index", as: :omg
       end
 
       require 'rack/test'
diff --git a/railties/test/commands/console_test.rb b/railties/test/commands/console_test.rb
index 69e89d87ae..e047d4882d 100644
--- a/railties/test/commands/console_test.rb
+++ b/railties/test/commands/console_test.rb
@@ -58,8 +58,8 @@ class Rails::ConsoleTest < ActiveSupport::TestCase
   end
 
   def test_console_defaults_to_IRB
-    config = mock("config", :console => nil)
-    app = mock("app", :config => config)
+    config = mock("config", console: nil)
+    app = mock("app", config: config)
     app.expects(:load_console).returns(nil)
 
     assert_equal IRB, Rails::Console.new(app).console
@@ -115,8 +115,8 @@ class Rails::ConsoleTest < ActiveSupport::TestCase
 
   def app
     @app ||= begin
-      config = mock("config", :console => FakeConsole)
-      app = mock("app", :config => config)
+      config = mock("config", console: FakeConsole)
+      app = mock("app", config: config)
       app.stubs(:sandbox=).returns(nil)
       app.expects(:load_console)
       app
diff --git a/railties/test/fixtures/lib/plugin_builders/spec_builder.rb b/railties/test/fixtures/lib/plugin_builders/spec_builder.rb
index aa18c7ddaa..2721429599 100644
--- a/railties/test/fixtures/lib/plugin_builders/spec_builder.rb
+++ b/railties/test/fixtures/lib/plugin_builders/spec_builder.rb
@@ -4,7 +4,7 @@ class PluginBuilder < Rails::PluginBuilder
     append_file "Rakefile", <<-EOF
 # spec tasks in rakefile
 
-task :default => :spec
+task default: :spec
     EOF
   end
 
diff --git a/railties/test/generators/actions_test.rb b/railties/test/generators/actions_test.rb
index bc086c5986..8af92479c3 100644
--- a/railties/test/generators/actions_test.rb
+++ b/railties/test/generators/actions_test.rb
@@ -99,7 +99,7 @@ class ActionsTest < Rails::Generators::TestCase
   def test_environment_should_include_data_in_environment_initializer_block_with_env_option
     run_generator
     autoload_paths = 'config.autoload_paths += %w["#{Rails.root}/app/extras"]'
-    action :environment, autoload_paths, :env => 'development'
+    action :environment, autoload_paths, env: 'development'
     assert_file "config/environments/development.rb", /Application\.configure do\n  #{Regexp.escape(autoload_paths)}/
   end
 
@@ -124,7 +124,7 @@ class ActionsTest < Rails::Generators::TestCase
 
   def test_git_with_hash_should_run_each_command_using_git_scm
     generator.expects(:run).times(2)
-    action :git, :rm => 'README', :add => '.'
+    action :git, rm: 'README', add: '.'
   end
 
   def test_vendor_should_write_data_to_file_in_vendor
@@ -138,8 +138,8 @@ class ActionsTest < Rails::Generators::TestCase
   end
 
   def test_rakefile_should_write_date_to_file_in_lib_tasks
-    action :rakefile, 'myapp.rake', 'task :run => [:environment]'
-    assert_file 'lib/tasks/myapp.rake', 'task :run => [:environment]'
+    action :rakefile, 'myapp.rake', 'task run: [:environment]'
+    assert_file 'lib/tasks/myapp.rake', 'task run: [:environment]'
   end
 
   def test_initializer_should_write_date_to_file_in_config_initializers
@@ -148,12 +148,12 @@ class ActionsTest < Rails::Generators::TestCase
   end
 
   def test_generate_should_run_script_generate_with_argument_and_options
-    generator.expects(:run_ruby_script).once.with('script/rails generate model MyModel', :verbose => false)
+    generator.expects(:run_ruby_script).once.with('script/rails generate model MyModel', verbose: false)
     action :generate, 'model', 'MyModel'
   end
 
   def test_rake_should_run_rake_command_with_default_env
-    generator.expects(:run).once.with("rake log:clear RAILS_ENV=development", :verbose => false)
+    generator.expects(:run).once.with("rake log:clear RAILS_ENV=development", verbose: false)
     old_env, ENV['RAILS_ENV'] = ENV["RAILS_ENV"], nil
     action :rake, 'log:clear'
   ensure
@@ -161,12 +161,12 @@ class ActionsTest < Rails::Generators::TestCase
   end
 
   def test_rake_with_env_option_should_run_rake_command_in_env
-    generator.expects(:run).once.with('rake log:clear RAILS_ENV=production', :verbose => false)
-    action :rake, 'log:clear', :env => 'production'
+    generator.expects(:run).once.with('rake log:clear RAILS_ENV=production', verbose: false)
+    action :rake, 'log:clear', env: 'production'
   end
 
   def test_rake_with_rails_env_variable_should_run_rake_command_in_env
-    generator.expects(:run).once.with('rake log:clear RAILS_ENV=production', :verbose => false)
+    generator.expects(:run).once.with('rake log:clear RAILS_ENV=production', verbose: false)
     old_env, ENV["RAILS_ENV"] = ENV["RAILS_ENV"], "production"
     action :rake, 'log:clear'
   ensure
@@ -174,29 +174,29 @@ class ActionsTest < Rails::Generators::TestCase
   end
 
   def test_env_option_should_win_over_rails_env_variable_when_running_rake
-    generator.expects(:run).once.with('rake log:clear RAILS_ENV=production', :verbose => false)
+    generator.expects(:run).once.with('rake log:clear RAILS_ENV=production', verbose: false)
     old_env, ENV["RAILS_ENV"] = ENV["RAILS_ENV"], "staging"
-    action :rake, 'log:clear', :env => 'production'
+    action :rake, 'log:clear', env: 'production'
   ensure
     ENV["RAILS_ENV"] = old_env
   end
 
   def test_rake_with_sudo_option_should_run_rake_command_with_sudo
-    generator.expects(:run).once.with("sudo rake log:clear RAILS_ENV=development", :verbose => false)
+    generator.expects(:run).once.with("sudo rake log:clear RAILS_ENV=development", verbose: false)
     old_env, ENV['RAILS_ENV'] = ENV["RAILS_ENV"], nil
-    action :rake, 'log:clear', :sudo => true
+    action :rake, 'log:clear', sudo: true
   ensure
     ENV["RAILS_ENV"] = old_env
   end
 
   def test_capify_should_run_the_capify_command
-    generator.expects(:run).once.with('capify .', :verbose => false)
+    generator.expects(:run).once.with('capify .', verbose: false)
     action :capify!
   end
 
   def test_route_should_add_data_to_the_routes_block_in_config_routes
     run_generator
-    route_command = "route '/login', :controller => 'sessions', :action => 'new'"
+    route_command = "route '/login', controller: 'sessions', action: 'new'"
     action :route, route_command
     assert_file 'config/routes.rb', /#{Regexp.escape(route_command)}/
   end
@@ -208,7 +208,7 @@ class ActionsTest < Rails::Generators::TestCase
   end
 
   def test_readme_with_quiet
-    generator(default_arguments, :quiet => true)
+    generator(default_arguments, quiet: true)
     run_generator
     Rails::Generators::AppGenerator.expects(:source_root).times(2).returns(destination_root)
     assert_no_match(/Welcome to Rails/, action(:readme, "README.rdoc"))
@@ -223,12 +223,12 @@ class ActionsTest < Rails::Generators::TestCase
   end
 
   def test_log_with_quiet
-    generator(default_arguments, :quiet => true)
+    generator(default_arguments, quiet: true)
     assert_equal("", action(:log, "YES"))
   end
 
   def test_log_with_status_with_quiet
-    generator(default_arguments, :quiet => true)
+    generator(default_arguments, quiet: true)
     assert_equal("", action(:log, :yes, "YES"))
   end
 
diff --git a/railties/test/generators/app_generator_test.rb b/railties/test/generators/app_generator_test.rb
index 6b6a6b6099..e5397bf4f3 100644
--- a/railties/test/generators/app_generator_test.rb
+++ b/railties/test/generators/app_generator_test.rb
@@ -107,8 +107,8 @@ class AppGeneratorTest < Rails::Generators::TestCase
 
     FileUtils.mv(app_root, app_moved_root)
 
-    generator = Rails::Generators::AppGenerator.new ["rails"], { :with_dispatchers => true },
-                                                               :destination_root => app_moved_root, :shell => @shell
+    generator = Rails::Generators::AppGenerator.new ["rails"], { with_dispatchers: true },
+                                                               destination_root: app_moved_root, shell: @shell
     generator.send(:app_const)
     quietly { generator.send(:create_config_files) }
     assert_file "myapp_moved/config/environment.rb", /Myapp::Application\.initialize!/
@@ -123,7 +123,7 @@ class AppGeneratorTest < Rails::Generators::TestCase
     Rails.application.class.stubs(:name).returns("Myapp")
     Rails.application.stubs(:is_a?).returns(Rails::Application)
 
-    generator = Rails::Generators::AppGenerator.new ["rails"], { :with_dispatchers => true }, :destination_root => app_root, :shell => @shell
+    generator = Rails::Generators::AppGenerator.new ["rails"], { with_dispatchers: true }, destination_root: app_root, shell: @shell
     generator.send(:app_const)
     quietly { generator.send(:create_config_files) }
     assert_file "myapp/config/initializers/session_store.rb", /_myapp_session/
diff --git a/railties/test/generators/model_generator_test.rb b/railties/test/generators/model_generator_test.rb
index a90ad5cde0..0c7ff0ebe7 100644
--- a/railties/test/generators/model_generator_test.rb
+++ b/railties/test/generators/model_generator_test.rb
@@ -242,19 +242,19 @@ class ModelGeneratorTest < Rails::Generators::TestCase
 
   def test_migration_is_skipped_on_skip_behavior
     run_generator
-    output = run_generator ["Account"], :behavior => :skip
+    output = run_generator ["Account"], behavior: :skip
     assert_match %r{skip\s+db/migrate/\d+_create_accounts.rb}, output
   end
 
   def test_migration_error_is_not_shown_on_revoke
     run_generator
-    error = capture(:stderr){ run_generator ["Account"], :behavior => :revoke }
+    error = capture(:stderr){ run_generator ["Account"], behavior: :revoke }
     assert_no_match(/Another migration is already named create_accounts/, error)
   end
 
   def test_migration_is_removed_on_revoke
     run_generator
-    run_generator ["Account"], :behavior => :revoke
+    run_generator ["Account"], behavior: :revoke
     assert_no_migration "db/migrate/create_accounts.rb"
   end
 
diff --git a/railties/test/generators/namespaced_generators_test.rb b/railties/test/generators/namespaced_generators_test.rb
index d48712e51f..4b168ae110 100644
--- a/railties/test/generators/namespaced_generators_test.rb
+++ b/railties/test/generators/namespaced_generators_test.rb
@@ -263,7 +263,7 @@ class NamespacedScaffoldGeneratorTest < NamespacedGeneratorTestCase
 
   def test_scaffold_on_revoke
     run_generator
-    run_generator ["product_line"], :behavior => :revoke
+    run_generator ["product_line"], behavior: :revoke
 
     # Model
     assert_no_file "app/models/test_app/product_line.rb"
@@ -335,7 +335,7 @@ class NamespacedScaffoldGeneratorTest < NamespacedGeneratorTestCase
 
   def test_scaffold_with_namespace_on_revoke
     run_generator [ "admin/role", "name:string", "description:string" ]
-    run_generator [ "admin/role" ], :behavior => :revoke
+    run_generator [ "admin/role" ], behavior: :revoke
 
     # Model
     assert_file "app/models/test_app/admin.rb"	# ( should not be remove )
@@ -408,7 +408,7 @@ class NamespacedScaffoldGeneratorTest < NamespacedGeneratorTestCase
 
   def test_scaffold_with_nested_namespace_on_revoke
     run_generator [ "admin/user/special/role", "name:string", "description:string" ]
-    run_generator [ "admin/user/special/role" ], :behavior => :revoke
+    run_generator [ "admin/user/special/role" ], behavior: :revoke
 
     # Model
     assert_file "app/models/test_app/admin/user/special.rb"	# ( should not be remove )
diff --git a/railties/test/generators/orm_test.rb b/railties/test/generators/orm_test.rb
index 9dd3d3e0ec..88ae930554 100644
--- a/railties/test/generators/orm_test.rb
+++ b/railties/test/generators/orm_test.rb
@@ -20,12 +20,12 @@ class OrmTest < Rails::Generators::TestCase
   tests Rails::Generators::ScaffoldControllerGenerator
 
   def test_orm_class_returns_custom_generator_if_supported_custom_orm_set
-    g = generator ["Foo"], :orm => "ORMWithGenerators"
+    g = generator ["Foo"], orm: "ORMWithGenerators"
     assert_equal ORMWithGenerators::Generators::ActiveModel, g.send(:orm_class)
   end
 
   def test_orm_class_returns_rails_generator_if_unsupported_custom_orm_set
-    g = generator ["Foo"], :orm => "ORMWithoutGenerators"
+    g = generator ["Foo"], orm: "ORMWithoutGenerators"
     assert_equal Rails::Generators::ActiveModel, g.send(:orm_class)
   end
 
diff --git a/railties/test/generators/plugin_new_generator_test.rb b/railties/test/generators/plugin_new_generator_test.rb
index dddbfa64b6..6974db5751 100644
--- a/railties/test/generators/plugin_new_generator_test.rb
+++ b/railties/test/generators/plugin_new_generator_test.rb
@@ -379,7 +379,7 @@ class CustomPluginGeneratorTest < Rails::Generators::TestCase
     run_generator([destination_root, "-b", "#{Rails.root}/lib/plugin_builders/spec_builder.rb"])
     assert_file 'spec/spec_helper.rb'
     assert_file 'spec/dummy'
-    assert_file 'Rakefile', /task :default => :spec/
+    assert_file 'Rakefile', /task default: :spec/
     assert_file 'Rakefile', /# spec tasks in rakefile/
   end
 
diff --git a/railties/test/generators/resource_generator_test.rb b/railties/test/generators/resource_generator_test.rb
index 0ae0841442..3d4e694361 100644
--- a/railties/test/generators/resource_generator_test.rb
+++ b/railties/test/generators/resource_generator_test.rb
@@ -80,7 +80,7 @@ class ResourceGeneratorTest < Rails::Generators::TestCase
 
   def test_route_is_removed_on_revoke
     run_generator
-    run_generator ["account"], :behavior => :revoke
+    run_generator ["account"], behavior: :revoke
 
     assert_file "config/routes.rb" do |route|
       assert_no_match(/resources :accounts$/, route)
diff --git a/railties/test/generators/scaffold_generator_test.rb b/railties/test/generators/scaffold_generator_test.rb
index dc825c7c99..efe47cdfcb 100644
--- a/railties/test/generators/scaffold_generator_test.rb
+++ b/railties/test/generators/scaffold_generator_test.rb
@@ -99,7 +99,7 @@ class ScaffoldGeneratorTest < Rails::Generators::TestCase
 
   def test_scaffold_on_revoke
     run_generator
-    run_generator ["product_line"], :behavior => :revoke
+    run_generator ["product_line"], behavior: :revoke
 
     # Model
     assert_no_file "app/models/product_line.rb"
diff --git a/railties/test/generators/shared_generator_tests.rb b/railties/test/generators/shared_generator_tests.rb
index a4bdfcf438..1e5a4545a1 100644
--- a/railties/test/generators/shared_generator_tests.rb
+++ b/railties/test/generators/shared_generator_tests.rb
@@ -87,7 +87,7 @@ module SharedGeneratorTests
     template = %{ say "It works!" }
     template.instance_eval "def read; self; end" # Make the string respond to read
 
-    generator([destination_root], :template => path).expects(:open).with(path, 'Accept' => 'application/x-thor-template').returns(template)
+    generator([destination_root], template: path).expects(:open).with(path, 'Accept' => 'application/x-thor-template').returns(template)
     assert_match(/It works!/, capture(:stdout) { generator.invoke_all })
   end
 
@@ -96,31 +96,31 @@ module SharedGeneratorTests
     template = %{ say "It works!" }
     template.instance_eval "def read; self; end" # Make the string respond to read
 
-    generator([destination_root], :template => path).expects(:open).with(path, 'Accept' => 'application/x-thor-template').returns(template)
+    generator([destination_root], template: path).expects(:open).with(path, 'Accept' => 'application/x-thor-template').returns(template)
     assert_match(/It works!/, capture(:stdout) { generator.invoke_all })
   end
 
   def test_dev_option
-    generator([destination_root], :dev => true).expects(:bundle_command).with('install').once
+    generator([destination_root], dev: true).expects(:bundle_command).with('install').once
     quietly { generator.invoke_all }
     rails_path = File.expand_path('../../..', Rails.root)
     assert_file 'Gemfile', /^gem\s+["']rails["'],\s+path:\s+["']#{Regexp.escape(rails_path)}["']$/
   end
 
   def test_edge_option
-    generator([destination_root], :edge => true).expects(:bundle_command).with('install').once
+    generator([destination_root], edge: true).expects(:bundle_command).with('install').once
     quietly { generator.invoke_all }
     assert_file 'Gemfile', %r{^gem\s+["']rails["'],\s+github:\s+["']#{Regexp.escape("rails/rails")}["']$}
   end
 
   def test_skip_gemfile
-    generator([destination_root], :skip_gemfile => true).expects(:bundle_command).never
+    generator([destination_root], skip_gemfile: true).expects(:bundle_command).never
     quietly { generator.invoke_all }
     assert_no_file 'Gemfile'
   end
 
   def test_skip_bundle
-    generator([destination_root], :skip_bundle => true).expects(:bundle_command).never
+    generator([destination_root], skip_bundle: true).expects(:bundle_command).never
     quietly { generator.invoke_all }
 
     # skip_bundle is only about running bundle install, ensure the Gemfile is still
@@ -192,7 +192,7 @@ module SharedCustomGeneratorTests
     template = "class #{builder_class}; end"
     template.instance_eval "def read; self; end" # Make the string respond to read
 
-    generator([destination_root], :builder => url).expects(:open).with(url, 'Accept' => 'application/x-thor-template').returns(template)
+    generator([destination_root], builder: url).expects(:open).with(url, 'Accept' => 'application/x-thor-template').returns(template)
     quietly { generator.invoke_all }
 
     default_files.each{ |path| assert_no_file(path) }
diff --git a/railties/test/generators_test.rb b/railties/test/generators_test.rb
index 027d8eb9b7..9953aa929b 100644
--- a/railties/test/generators_test.rb
+++ b/railties/test/generators_test.rb
@@ -43,8 +43,8 @@ class GeneratorsTest < Rails::Generators::TestCase
   end
 
   def test_invoke_with_config_values
-    Rails::Generators::ModelGenerator.expects(:start).with(["Account"], :behavior => :skip)
-    Rails::Generators.invoke :model, ["Account"], :behavior => :skip
+    Rails::Generators::ModelGenerator.expects(:start).with(["Account"], behavior: :skip)
+    Rails::Generators.invoke :model, ["Account"], behavior: :skip
   end
 
   def test_find_by_namespace
@@ -165,7 +165,7 @@ class GeneratorsTest < Rails::Generators::TestCase
   end
 
   def test_developer_options_are_overwriten_by_user_options
-    Rails::Generators.options[:with_options] = { :generate => false }
+    Rails::Generators.options[:with_options] = { generate: false }
 
     self.class.class_eval(<<-end_eval, __FILE__, __LINE__ + 1)
       class WithOptionsGenerator < Rails::Generators::Base
@@ -186,7 +186,7 @@ class GeneratorsTest < Rails::Generators::TestCase
     File.open(template, 'w'){ |f| f.write "empty" }
 
     capture(:stdout) do
-      Rails::Generators.invoke :model, ["user"], :destination_root => destination_root
+      Rails::Generators.invoke :model, ["user"], destination_root: destination_root
     end
 
     assert_file "app/models/user.rb" do |content|
diff --git a/railties/test/initializable_test.rb b/railties/test/initializable_test.rb
index c84c7f204c..16e259be5d 100644
--- a/railties/test/initializable_test.rb
+++ b/railties/test/initializable_test.rb
@@ -43,17 +43,17 @@ module InitializableTests
   class Child < Parent
     include Rails::Initializable
 
-    initializer :three, :before => :one do
+    initializer :three, before: :one do
       $arr << 3
     end
 
-    initializer :four, :after => :one, :before => :two do
+    initializer :four, after: :one, before: :two do
       $arr << 4
     end
   end
 
   class Parent
-    initializer :five, :before => :one do
+    initializer :five, before: :one do
       $arr << 5
     end
   end
@@ -61,7 +61,7 @@ module InitializableTests
   class Instance
     include Rails::Initializable
 
-    initializer :one, :group => :assets do
+    initializer :one, group: :assets do
       $arr << 1
     end
 
@@ -69,7 +69,7 @@ module InitializableTests
       $arr << 2
     end
 
-    initializer :three, :group => :all do
+    initializer :three, group: :all do
       $arr << 3
     end
 
@@ -90,11 +90,11 @@ module InitializableTests
     class MoreInitializers
       include Rails::Initializable
 
-      initializer :startup, :before => :last do
+      initializer :startup, before: :last do
         $arr << 3
       end
 
-      initializer :terminate, :after => :first, :before => :startup do
+      initializer :terminate, after: :first, before: :startup do
         $arr << two
       end
 
@@ -134,11 +134,11 @@ module InitializableTests
     class PluginB
       include Rails::Initializable
 
-      initializer "plugin_b.startup", :after => "plugin_a.startup" do
+      initializer "plugin_b.startup", after: "plugin_a.startup" do
         $arr << 2
       end
 
-      initializer "plugin_b.terminate", :before => "plugin_a.terminate" do
+      initializer "plugin_b.terminate", before: "plugin_a.terminate" do
         $arr << 3
       end
     end
diff --git a/railties/test/isolation/abstract_unit.rb b/railties/test/isolation/abstract_unit.rb
index 0f36eb67e5..e59488f97d 100644
--- a/railties/test/isolation/abstract_unit.rb
+++ b/railties/test/isolation/abstract_unit.rb
@@ -113,14 +113,14 @@ module TestHelpers
       routes = File.read("#{app_path}/config/routes.rb")
       if routes =~ /(\n\s*end\s*)\Z/
         File.open("#{app_path}/config/routes.rb", 'w') do |f|
-          f.puts $` + "\nmatch ':controller(/:action(/:id))(.:format)', :via => :all\n" + $1
+          f.puts $` + "\nmatch ':controller(/:action(/:id))(.:format)', via: :all\n" + $1
         end
       end
 
       add_to_config <<-RUBY
         config.eager_load = false
         config.secret_token = "3b7cd727ee24e8444053437c36cc66c4"
-        config.session_store :cookie_store, :key => "_myapp_session"
+        config.session_store :cookie_store, key: "_myapp_session"
         config.active_support.deprecation = :log
         config.action_controller.allow_forgery_protection = false
       RUBY
@@ -139,7 +139,7 @@ module TestHelpers
       app = Class.new(Rails::Application)
       app.config.eager_load = false
       app.config.secret_token = "3b7cd727ee24e8444053437c36cc66c4"
-      app.config.session_store :cookie_store, :key => "_myapp_session"
+      app.config.session_store :cookie_store, key: "_myapp_session"
       app.config.active_support.deprecation = :log
 
       yield app if block_given?
@@ -157,7 +157,7 @@ module TestHelpers
       controller :foo, <<-RUBY
         class FooController < ApplicationController
           def index
-            render :text => "foo"
+            render text: "foo"
           end
         end
       RUBY
diff --git a/railties/test/paths_test.rb b/railties/test/paths_test.rb
index 76ff3ec3e4..12f18b9dbf 100644
--- a/railties/test/paths_test.rb
+++ b/railties/test/paths_test.rb
@@ -32,7 +32,7 @@ class PathsTest < ActiveSupport::TestCase
   end
 
   test "creating a root level path with options" do
-    @root.add "app", :with => "/foo/bar"
+    @root.add "app", with: "/foo/bar"
     assert_equal ["/foo/bar"], @root["app"].to_a
   end
 
@@ -52,18 +52,18 @@ class PathsTest < ActiveSupport::TestCase
 
   test "creating a child level path with option" do
     @root.add "app"
-    @root.add "app/models", :with => "/foo/bar/baz"
+    @root.add "app/models", with: "/foo/bar/baz"
     assert_equal ["/foo/bar/baz"], @root["app/models"].to_a
   end
 
   test "child level paths are relative from the root" do
     @root.add "app"
-    @root.add "app/models", :with => "baz"
+    @root.add "app/models", with: "baz"
     assert_equal ["/foo/bar/baz"], @root["app/models"].to_a
   end
 
   test "adding multiple physical paths as an array" do
-    @root.add "app", :with => ["/app", "/app2"]
+    @root.add "app", with: ["/app", "/app2"]
     assert_equal ["/app", "/app2"], @root["app"].to_a
   end
 
@@ -92,7 +92,7 @@ class PathsTest < ActiveSupport::TestCase
   end
 
   test "it is possible to add a path that should be autoloaded only once" do
-    @root.add "app", :with => "/app"
+    @root.add "app", with: "/app"
     @root["app"].autoload_once!
     assert @root["app"].autoload_once?
     assert @root.autoload_once.include?(@root["app"].expanded.first)
@@ -109,13 +109,13 @@ class PathsTest < ActiveSupport::TestCase
   end
 
   test "it is possible to add a path without assignment and specify it should be loaded only once" do
-    @root.add "app", :with => "/app", :autoload_once => true
+    @root.add "app", with: "/app", autoload_once: true
     assert @root["app"].autoload_once?
     assert @root.autoload_once.include?("/app")
   end
 
   test "it is possible to add multiple paths without assignment and specify it should be loaded only once" do
-    @root.add "app", :with => ["/app", "/app2"], :autoload_once => true
+    @root.add "app", with: ["/app", "/app2"], autoload_once: true
     assert @root["app"].autoload_once?
     assert @root.autoload_once.include?("/app")
     assert @root.autoload_once.include?("/app2")
@@ -153,20 +153,20 @@ class PathsTest < ActiveSupport::TestCase
   end
 
   test "it is possible to add a path without assignment and mark it as eager" do
-    @root.add "app", :with => "/app", :eager_load => true
+    @root.add "app", with: "/app", eager_load: true
     assert @root["app"].eager_load?
     assert @root.eager_load.include?("/app")
   end
 
   test "it is possible to add multiple paths without assignment and mark them as eager" do
-    @root.add "app", :with => ["/app", "/app2"], :eager_load => true
+    @root.add "app", with: ["/app", "/app2"], eager_load: true
     assert @root["app"].eager_load?
     assert @root.eager_load.include?("/app")
     assert @root.eager_load.include?("/app2")
   end
 
   test "it is possible to create a path without assignment and mark it both as eager and load once" do
-    @root.add "app", :with => "/app", :eager_load => true, :autoload_once => true
+    @root.add "app", with: "/app", eager_load: true, autoload_once: true
     assert @root["app"].eager_load?
     assert @root["app"].autoload_once?
     assert @root.eager_load.include?("/app")
@@ -194,12 +194,12 @@ class PathsTest < ActiveSupport::TestCase
   end
 
   test "it should be possible to override a path's default glob without assignment" do
-    @root.add "app", :with => "/app", :glob => "*.rb"
+    @root.add "app", with: "/app", glob: "*.rb"
     assert_equal "*.rb", @root["app"].glob
   end
 
   test "it should be possible to replace a path and persist the original paths glob" do
-    @root.add "app", :glob => "*.rb"
+    @root.add "app", glob: "*.rb"
     @root["app"] = "app2"
     assert_equal ["/foo/bar/app2"], @root["app"].to_a
     assert_equal "*.rb", @root["app"].glob
@@ -213,7 +213,7 @@ class PathsTest < ActiveSupport::TestCase
   end
 
   test "a path can be added to the load path on creation" do
-    @root.add "app", :with => "/app", :load_path => true
+    @root.add "app", with: "/app", load_path: true
     assert @root["app"].load_path?
     assert_equal ["/app"], @root.load_paths
   end
@@ -226,7 +226,7 @@ class PathsTest < ActiveSupport::TestCase
   end
 
   test "a path can be marked as autoload on creation" do
-    @root.add "app", :with => "/app", :autoload => true
+    @root.add "app", with: "/app", autoload: true
     assert @root["app"].autoload?
     assert_equal ["/app"], @root.autoload_paths
   end
diff --git a/railties/test/rails_info_controller_test.rb b/railties/test/rails_info_controller_test.rb
index cfb32b7d35..08fcddd4bf 100644
--- a/railties/test/rails_info_controller_test.rb
+++ b/railties/test/rails_info_controller_test.rb
@@ -21,19 +21,19 @@ class InfoControllerTest < ActionController::TestCase
   end
 
   test "info controller does not allow remote requests" do
-    @controller.stubs(:local_request? => false)
+    @controller.stubs(local_request?: false)
     get :properties
     assert_response :forbidden
   end
 
   test "info controller renders an error message when request was forbidden" do
-    @controller.stubs(:local_request? => false)
+    @controller.stubs(local_request?: false)
     get :properties
     assert_select 'p'
   end
 
   test "info controller allows requests when all requests are considered local" do
-    @controller.stubs(:local_request? => true)
+    @controller.stubs(local_request?: true)
     get :properties
     assert_response :success
   end
diff --git a/railties/test/railties/engine_test.rb b/railties/test/railties/engine_test.rb
index e52b3efdab..71bb34faf5 100644
--- a/railties/test/railties/engine_test.rb
+++ b/railties/test/railties/engine_test.rb
@@ -285,8 +285,8 @@ module RailtiesTest
 
       @plugin.write "config/routes.rb", <<-RUBY
         Rails.application.routes.draw do
-          get 'foo', :to => 'bar#index'
-          get 'bar', :to => 'bar#index'
+          get 'foo', to: 'bar#index'
+          get 'bar', to: 'bar#index'
         end
       RUBY
 
@@ -366,7 +366,7 @@ YAML
         Rails.application.routes.draw do
           namespace :admin do
             namespace :foo do
-              get "bar", :to => "bar#index"
+              get "bar", to: "bar#index"
             end
           end
         end
@@ -375,7 +375,7 @@ YAML
       @plugin.write "app/controllers/admin/foo/bar_controller.rb", <<-RUBY
         class Admin::Foo::BarController < ApplicationController
           def index
-            render :text => "Rendered from namespace"
+            render text: "Rendered from namespace"
           end
         end
       RUBY
@@ -487,14 +487,14 @@ YAML
       controller "foo", <<-RUBY
         class FooController < ActionController::Base
           def index
-            render :text => params[:username]
+            render text: params[:username]
           end
         end
       RUBY
 
       @plugin.write "config/routes.rb", <<-RUBY
         Bukkits::Engine.routes.draw do
-          root :to => "foo#index"
+          root to: "foo#index"
         end
       RUBY
 
@@ -608,14 +608,14 @@ YAML
 
       app_file "config/routes.rb", <<-RUBY
         AppTemplate::Application.routes.draw do
-          get "/bar" => "bar#index", :as => "bar"
-          mount Bukkits::Engine => "/bukkits", :as => "bukkits"
+          get "/bar" => "bar#index", as: "bar"
+          mount Bukkits::Engine => "/bukkits", as: "bukkits"
         end
       RUBY
 
       @plugin.write "config/routes.rb", <<-RUBY
         Bukkits::Engine.routes.draw do
-          get "/foo" => "foo#index", :as => "foo"
+          get "/foo" => "foo#index", as: "foo"
           get "/foo/show" => "foo#show"
           get "/from_app" => "foo#from_app"
           get "/routes_helpers_in_view" => "foo#routes_helpers_in_view"
@@ -643,23 +643,23 @@ YAML
       @plugin.write "app/controllers/bukkits/foo_controller.rb", <<-RUBY
         class Bukkits::FooController < ActionController::Base
           def index
-            render :inline => "<%= help_the_engine %>"
+            render inline: "<%= help_the_engine %>"
           end
 
           def show
-            render :text => foo_path
+            render text: foo_path
           end
 
           def from_app
-            render :inline => "<%= (self.respond_to?(:bar_path) || self.respond_to?(:something)) %>"
+            render inline: "<%= (self.respond_to?(:bar_path) || self.respond_to?(:something)) %>"
           end
 
           def routes_helpers_in_view
-            render :inline => "<%= foo_path %>, <%= main_app.bar_path %>"
+            render :inline "<%= foo_path %>, <%= main_app.bar_path %>"
           end
 
           def polymorphic_path_without_namespace
-            render :text => polymorphic_path(Post.new)
+            render text: polymorphic_path(Post.new)
           end
         end
       RUBY
@@ -726,7 +726,7 @@ YAML
 
       app_file "config/routes.rb", <<-RUBY
         AppTemplate::Application.routes.draw do
-          mount Bukkits::Engine => "/bukkits", :as => "bukkits"
+          mount Bukkits::Engine => "/bukkits", as: "bukkits"
         end
       RUBY
 
@@ -1033,11 +1033,11 @@ YAML
       controller "main", <<-RUBY
         class MainController < ActionController::Base
           def foo
-            render :inline => '<%= render :partial => "shared/foo" %>'
+            render inline: '<%= render :partial => "shared/foo" %>'
           end
 
           def bar
-            render :inline => '<%= render :partial => "shared/bar" %>'
+            render inline: '<%= render :partial => "shared/bar" %>'
           end
         end
       RUBY
@@ -1113,7 +1113,7 @@ YAML
       controller "main", <<-RUBY
         class MainController < ActionController::Base
           def foo
-            render :inline => '<%= render :partial => "shared/foo" %>'
+            render inline: '<%= render :partial => "shared/foo" %>'
           end
         end
       RUBY
@@ -1167,7 +1167,7 @@ YAML
                 fullpath: \#{request.fullpath}
                 path: \#{request.path}
               TEXT
-              render :text => text
+              render text: text
             end
           end
         end
@@ -1205,7 +1205,7 @@ YAML
       app_file "app/controllers/bar_controller.rb", <<-RUBY
         class BarController < ApplicationController
           def index
-            render :text => bukkits.bukkit_path
+            render text: bukkits.bukkit_path
           end
         end
       RUBY
@@ -1227,7 +1227,7 @@ YAML
       @plugin.write "app/controllers/bukkits/bukkit_controller.rb", <<-RUBY
         class Bukkits::BukkitController < ActionController::Base
           def index
-            render :text => main_app.bar_path
+            render text: main_app.bar_path
           end
         end
       RUBY
diff --git a/railties/test/railties/generators_test.rb b/railties/test/railties/generators_test.rb
index c90b795d59..0abb2b7578 100644
--- a/railties/test/railties/generators_test.rb
+++ b/railties/test/railties/generators_test.rb
@@ -46,7 +46,7 @@ module RailtiesTests
           f.write <<-GEMFILE.gsub(/^ {12}/, '')
             source "http://rubygems.org"
 
-            gem 'rails', :path => '#{RAILS_FRAMEWORK_ROOT}'
+            gem 'rails', path: '#{RAILS_FRAMEWORK_ROOT}'
             gem 'sqlite3'
           GEMFILE
         end
diff --git a/railties/test/railties/mounted_engine_test.rb b/railties/test/railties/mounted_engine_test.rb
index bd13c3aba3..a1c52f01dc 100644
--- a/railties/test/railties/mounted_engine_test.rb
+++ b/railties/test/railties/mounted_engine_test.rb
@@ -42,14 +42,14 @@ module ApplicationTests
 
       @simple_plugin.write "config/routes.rb", <<-RUBY
         Weblog::Engine.routes.draw do
-          get '/weblog' => "weblogs#index", :as => 'weblogs'
+          get '/weblog' => "weblogs#index", as: 'weblogs'
         end
       RUBY
 
       @simple_plugin.write "app/controllers/weblogs_controller.rb", <<-RUBY
         class WeblogsController < ActionController::Base
           def index
-            render :text => request.url
+            render text: request.url
           end
         end
       RUBY
@@ -86,9 +86,9 @@ module ApplicationTests
       @plugin.write "config/routes.rb", <<-RUBY
         Blog::Engine.routes.draw do
           resources :posts
-          get '/generate_application_route', :to => 'posts#generate_application_route'
-          get '/application_route_in_view', :to => 'posts#application_route_in_view'
-          get '/engine_polymorphic_path', :to => 'posts#engine_polymorphic_path'
+          get '/generate_application_route', to: 'posts#generate_application_route'
+          get '/application_route_in_view', to: 'posts#application_route_in_view'
+          get '/engine_polymorphic_path', to: 'posts#engine_polymorphic_path'
         end
       RUBY
 
@@ -96,22 +96,22 @@ module ApplicationTests
         module Blog
           class PostsController < ActionController::Base
             def index
-              render :text => blog.post_path(1)
+              render text: blog.post_path(1)
             end
 
             def generate_application_route
-              path = main_app.url_for(:controller => "/main",
-                                 :action => "index",
-                                 :only_path => true)
-              render :text => path
+              path = main_app.url_for(controller: "/main",
+                                 action: "index",
+                                 only_path: true)
+              render text: path
             end
 
             def application_route_in_view
-              render :inline => "<%= main_app.root_path %>"
+              render inline: "<%= main_app.root_path %>"
             end
 
             def engine_polymorphic_path
-              render :text => polymorphic_path(Post.new)
+              render text: polymorphic_path(Post.new)
             end
           end
         end
@@ -120,31 +120,31 @@ module ApplicationTests
       app_file "app/controllers/application_generating_controller.rb", <<-RUBY
         class ApplicationGeneratingController < ActionController::Base
           def engine_route
-            render :text => blog.posts_path
+            render text: blog.posts_path
           end
 
           def engine_route_in_view
-            render :inline => "<%= blog.posts_path %>"
+            render inline: "<%= blog.posts_path %>"
           end
 
           def weblog_engine_route
-            render :text => weblog.weblogs_path
+            render text: weblog.weblogs_path
           end
 
           def weblog_engine_route_in_view
-            render :inline => "<%= weblog.weblogs_path %>"
+            render inline: "<%= weblog.weblogs_path %>"
           end
 
           def url_for_engine_route
-            render :text => blog.url_for(:controller => "blog/posts", :action => "index", :user => "john", :only_path => true)
+            render text: blog.url_for(controller: "blog/posts", action: "index", user: "john", only_path: true)
           end
 
           def polymorphic_route
-            render :text => polymorphic_url([blog, Blog::Post.new])
+            render text: polymorphic_url([blog, Blog::Post.new])
           end
 
           def application_polymorphic_path
-            render :text => polymorphic_path(Blog::Post.new)
+            render text: polymorphic_path(Blog::Post.new)
           end
         end
       RUBY