Update actionmailer with new hash syntax.

15 files changed, 169 insertions, 169 deletions

diff --git a/actionmailer/Rakefile b/actionmailer/Rakefile
index c1c4171cdf..45c238d302 100644
--- a/actionmailer/Rakefile
+++ b/actionmailer/Rakefile
@@ -3,7 +3,7 @@ require 'rake/packagetask'
 require 'rubygems/package_task'
 
 desc "Default Task"
-task :default => [ :test ]
+task default: [ :test ]
 
 # Run the unit tests
 Rake::TestTask.new { |t|
@@ -29,7 +29,7 @@ Gem::PackageTask.new(spec) do |p|
 end
 
 desc "Release to gemcutter"
-task :release => :package do
+task release: :package do
   require 'rake/gemcutter'
   Rake::Gemcutter::Tasks.new(spec).define
   Rake::Task['gem:push'].invoke
diff --git a/actionmailer/lib/action_mailer/base.rb b/actionmailer/lib/action_mailer/base.rb
index bd33f81f1e..fee4a64248 100644
--- a/actionmailer/lib/action_mailer/base.rb
+++ b/actionmailer/lib/action_mailer/base.rb
@@ -23,13 +23,13 @@ module ActionMailer
   # Examples:
   #
   #   class Notifier < ActionMailer::Base
-  #     default :from => 'no-reply@example.com',
-  #             :return_path => 'system@example.com'
+  #     default from: 'no-reply@example.com',
+  #             return_path: 'system@example.com'
   #
   #     def welcome(recipient)
   #       @account = recipient
-  #       mail(:to => recipient.email_address_with_name,
-  #            :bcc => ["bcc@example.com", "Order Watcher <watcher@example.com>"])
+  #       mail(to: recipient.email_address_with_name,
+  #            bcc: ["bcc@example.com", "Order Watcher <watcher@example.com>"])
   #     end
   #   end
   #
@@ -62,21 +62,21 @@ module ActionMailer
   #
   # If you want to explicitly render only certain templates, pass a block:
   #
-  #   mail(:to => user.email) do |format|
+  #   mail(to: user.email) do |format|
   #     format.text
   #     format.html
   #   end
   #
   # The block syntax is also useful in providing information specific to a part:
   #
-  #   mail(:to => user.email) do |format|
+  #   mail(to: user.email) do |format|
   #     format.text(:content_transfer_encoding => "base64")
   #     format.html
   #   end
   #
   # Or even to render a special view:
   #
-  #   mail(:to => user.email) do |format|
+  #   mail(to: user.email) do |format|
   #     format.text
   #     format.html { render "some_other_template" }
   #   end
@@ -100,12 +100,12 @@ module ActionMailer
   # You can even use Action Pack helpers in these views. For example:
   #
   #   You got a new note!
-  #   <%= truncate(@note.body, :length => 25) %>
+  #   <%= truncate(@note.body, length: 25) %>
   #
   # If you need to access the subject, from or the recipients in the view, you can do that through message object:
   #
   #   You got a new note from <%= message.from %>!
-  #   <%= truncate(@note.body, :length => 25) %>
+  #   <%= truncate(@note.body, length: 25) %>
   #
   #
   # = Generating URLs
@@ -116,11 +116,11 @@ module ActionMailer
   #
   # When using <tt>url_for</tt> you'll need to provide the <tt>:host</tt>, <tt>:controller</tt>, and <tt>:action</tt>:
   #
-  #   <%= url_for(:host => "example.com", :controller => "welcome", :action => "greeting") %>
+  #   <%= url_for(host: "example.com", controller: "welcome", action: "greeting") %>
   #
   # When using named routes you only need to supply the <tt>:host</tt>:
   #
-  #   <%= users_url(:host => "example.com") %>
+  #   <%= users_url(host: "example.com") %>
   #
   # You should use the <tt>named_route_url</tt> style (which generates absolute URLs) and avoid using the
   # <tt>named_route_path</tt> style (which generates relative URLs), since clients reading the mail will
@@ -176,7 +176,7 @@ module ActionMailer
   #   class ApplicationMailer < ActionMailer::Base
   #     def welcome(recipient)
   #       attachments['free_book.pdf'] = File.read('path/to/file.pdf')
-  #       mail(:to => recipient, :subject => "New account information")
+  #       mail(to: recipient, subject: "New account information")
   #     end
   #   end
   #
@@ -192,7 +192,7 @@ module ActionMailer
   #     class ApplicationMailer < ActionMailer::Base
   #       def welcome(recipient)
   #         attachments['free_book.pdf'] = File.read('path/to/file.pdf')
-  #         mail(:to => recipient, :subject => "New account information", :body => "")
+  #         mail(to: recipient, subject: "New account information", body: "")
   #       end
   #     end
   #
@@ -204,7 +204,7 @@ module ActionMailer
   #   class ApplicationMailer < ActionMailer::Base
   #     def welcome(recipient)
   #       attachments.inline['photo.png'] = File.read('path/to/photo.png')
-  #       mail(:to => recipient, :subject => "Here is what we look like")
+  #       mail(to: recipient, subject: "Here is what we look like")
   #     end
   #   end
   #
@@ -220,7 +220,7 @@ module ActionMailer
   #
   #   <h1>Please Don't Cringe</h1>
   #
-  #   <%= image_tag attachments['photo.png'].url, :alt => 'Our Photo', :class => 'photo' -%>
+  #   <%= image_tag attachments['photo.png'].url, alt: 'Our Photo', class: 'photo' -%>
   #
   # = Observing and Intercepting Mails
   #
@@ -241,7 +241,7 @@ module ActionMailer
   # default method inside the class definition:
   #
   #   class Notifier < ActionMailer::Base
-  #     default :sender => 'system@example.com'
+  #     default sender: 'system@example.com'
   #   end
   #
   # You can pass in any header value that a <tt>Mail::Message</tt> accepts. Out of the box,
@@ -260,7 +260,7 @@ module ActionMailer
   #
   #   class Notifier < ActionMailer::Base
   #     default 'Content-Transfer-Encoding' => '7bit',
-  #             :content_description => 'This is a description'
+  #             content_description: 'This is a description'
   #   end
   #
   # Finally, Action Mailer also supports passing <tt>Proc</tt> objects into the default hash, so you
@@ -386,10 +386,10 @@ module ActionMailer
 
     class_attribute :default_params
     self.default_params = {
-      :mime_version => "1.0",
-      :charset      => "UTF-8",
-      :content_type => "text/plain",
-      :parts_order  => [ "text/plain", "text/enriched", "text/html" ]
+      mime_version: "1.0",
+      charset:      "UTF-8",
+      content_type: "text/plain",
+      parts_order:  [ "text/plain", "text/enriched", "text/html" ]
     }.freeze
 
     class_attribute :queue
@@ -549,17 +549,17 @@ module ActionMailer
     #
     # You can also specify overrides if you want by passing a hash instead of a string:
     #
-    #  mail.attachments['filename.jpg'] = {:mime_type => 'application/x-gzip',
-    #                                      :content => File.read('/path/to/filename.jpg')}
+    #  mail.attachments['filename.jpg'] = {mime_type: 'application/x-gzip',
+    #                                      content: File.read('/path/to/filename.jpg')}
     #
     # If you want to use a different encoding than Base64, you can pass an encoding in,
     # but then it is up to you to pass in the content pre-encoded, and don't expect
     # Mail to know how to decode this data:
     #
     #  file_content = SpecialEncode(File.read('/path/to/filename.jpg'))
-    #  mail.attachments['filename.jpg'] = {:mime_type => 'application/x-gzip',
-    #                                      :encoding => 'SpecialEncoding',
-    #                                      :content => file_content }
+    #  mail.attachments['filename.jpg'] = {mime_type: 'application/x-gzip',
+    #                                      encoding: 'SpecialEncoding',
+    #                                      content: file_content }
     #
     # You can also search for specific attachments:
     #
@@ -597,9 +597,9 @@ module ActionMailer
     # class method:
     #
     #  class Notifier < ActionMailer::Base
-    #    self.default :from => 'no-reply@test.lindsaar.net',
-    #                 :bcc => 'email_logger@test.lindsaar.net',
-    #                 :reply_to => 'bounces@test.lindsaar.net'
+    #    self.default from: 'no-reply@test.lindsaar.net',
+    #                 bcc: 'email_logger@test.lindsaar.net',
+    #                 reply_to: 'bounces@test.lindsaar.net'
     #  end
     #
     # If you need other headers not listed above, you can either pass them in
@@ -621,10 +621,10 @@ module ActionMailer
     # For example:
     #
     #   class Notifier < ActionMailer::Base
-    #     default :from => 'no-reply@test.lindsaar.net',
+    #     default from: 'no-reply@test.lindsaar.net',
     #
     #     def welcome
-    #       mail(:to => 'mikel@test.lindsaar.net')
+    #       mail(to: 'mikel@test.lindsaar.net')
     #     end
     #   end
     #
@@ -633,22 +633,22 @@ module ActionMailer
     #
     # However, those can be customized:
     #
-    #   mail(:template_path => 'notifications', :template_name => 'another')
+    #   mail(template_path: 'notifications', template_name: 'another')
     #
     # And now it will look for all templates at "app/views/notifications" with name "another".
     #
     # If you do pass a block, you can render specific templates of your choice:
     #
-    #   mail(:to => 'mikel@test.lindsaar.net') do |format|
+    #   mail(to: 'mikel@test.lindsaar.net') do |format|
     #     format.text
     #     format.html
     #   end
     #
     # You can even render text directly without using a template:
     #
-    #   mail(:to => 'mikel@test.lindsaar.net') do |format|
-    #     format.text { render :text => "Hello Mikel!" }
-    #     format.html { render :text => "<h1>Hello Mikel!</h1>" }
+    #   mail(to: 'mikel@test.lindsaar.net') do |format|
+    #     format.text { render text: "Hello Mikel!" }
+    #     format.html { render text: "<h1>Hello Mikel!</h1>" }
     #   end
     #
     # Which will render a <tt>multipart/alternative</tt> email with <tt>text/plain</tt> and
@@ -657,7 +657,7 @@ module ActionMailer
     # The block syntax also allows you to customize the part headers if desired:
     #
     #   mail(:to => 'mikel@test.lindsaar.net') do |format|
-    #     format.text(:content_transfer_encoding => "base64")
+    #     format.text(content_transfer_encoding: "base64")
     #     format.html
     #   end
     #
@@ -730,7 +730,7 @@ module ActionMailer
     # humanized version of the <tt>action_name</tt>.
     def default_i18n_subject #:nodoc:
       mailer_scope = self.class.mailer_name.tr('/', '.')
-      I18n.t(:subject, :scope => [mailer_scope, action_name], :default => action_name.humanize)
+      I18n.t(:subject, scope: [mailer_scope, action_name], default: action_name.humanize)
     end
 
     def collect_responses_and_parts_order(headers) #:nodoc:
@@ -743,8 +743,8 @@ module ActionMailer
         responses  = collector.responses
       elsif headers[:body]
         responses << {
-          :body => headers.delete(:body),
-          :content_type => self.class.default[:content_type] || "text/plain"
+          body: headers.delete(:body),
+          content_type: self.class.default[:content_type] || "text/plain"
         }
       else
         templates_path = headers.delete(:template_path) || self.class.mailer_name
@@ -754,8 +754,8 @@ module ActionMailer
           self.formats = template.formats
 
           responses << {
-            :body => render(:template => template),
-            :content_type => template.type.to_s
+            body: render(template: template),
+            content_type: template.type.to_s
           }
         end
       end
diff --git a/actionmailer/lib/action_mailer/collector.rb b/actionmailer/lib/action_mailer/collector.rb
index 569a09bd2a..cbb2778fae 100644
--- a/actionmailer/lib/action_mailer/collector.rb
+++ b/actionmailer/lib/action_mailer/collector.rb
@@ -21,7 +21,7 @@ module ActionMailer
     alias :all :any
 
     def custom(mime, options={})
-      options.reverse_merge!(:content_type => mime.to_s)
+      options.reverse_merge!(content_type: mime.to_s)
       @context.formats = [mime.to_sym]
       options[:body] = block_given? ? yield : @default_render.call
       @responses << options
diff --git a/actionmailer/lib/action_mailer/delivery_methods.rb b/actionmailer/lib/action_mailer/delivery_methods.rb
index 110f6769e6..caea3d7535 100644
--- a/actionmailer/lib/action_mailer/delivery_methods.rb
+++ b/actionmailer/lib/action_mailer/delivery_methods.rb
@@ -20,27 +20,27 @@ module ActionMailer
       self.delivery_method  = :smtp
 
       add_delivery_method :smtp, Mail::SMTP,
-        :address              => "localhost",
-        :port                 => 25,
-        :domain               => 'localhost.localdomain',
-        :user_name            => nil,
-        :password             => nil,
-        :authentication       => nil,
-        :enable_starttls_auto => true
+        address:              "localhost",
+        port:                 25,
+        domain:               'localhost.localdomain',
+        user_name:            nil,
+        password:             nil,
+        authentication:       nil,
+        enable_starttls_auto: true
 
       add_delivery_method :file, Mail::FileDelivery,
-        :location => defined?(Rails.root) ? "#{Rails.root}/tmp/mails" : "#{Dir.tmpdir}/mails"
+        location: defined?(Rails.root) ? "#{Rails.root}/tmp/mails" : "#{Dir.tmpdir}/mails"
 
       add_delivery_method :sendmail, Mail::Sendmail,
-        :location   => '/usr/sbin/sendmail',
-        :arguments  => '-i -t'
+        location:  '/usr/sbin/sendmail',
+        arguments: '-i -t'
 
       add_delivery_method :test, Mail::TestMailer
     end
 
     module ClassMethods
       # Provides a list of emails that have been delivered by Mail::TestMailer
-      delegate :deliveries, :deliveries=, :to => Mail::TestMailer
+      delegate :deliveries, :deliveries=, to: Mail::TestMailer
 
       # Adds a new delivery method through the given class using the given
       # symbol as alias and the default options supplied.
diff --git a/actionmailer/lib/rails/generators/mailer/mailer_generator.rb b/actionmailer/lib/rails/generators/mailer/mailer_generator.rb
index dd7fa640c9..d5bf864595 100644
--- a/actionmailer/lib/rails/generators/mailer/mailer_generator.rb
+++ b/actionmailer/lib/rails/generators/mailer/mailer_generator.rb
@@ -3,7 +3,7 @@ module Rails
     class MailerGenerator < NamedBase
       source_root File.expand_path("../templates", __FILE__)
 
-      argument :actions, :type => :array, :default => [], :banner => "method method"
+      argument :actions, type: :array, default: [], banner: "method method"
       check_class_collision
 
       def create_mailer_file
diff --git a/actionmailer/test/asset_host_test.rb b/actionmailer/test/asset_host_test.rb
index 696a9f1174..32ae76a7c5 100644
--- a/actionmailer/test/asset_host_test.rb
+++ b/actionmailer/test/asset_host_test.rb
@@ -3,9 +3,9 @@ require 'action_controller'
 
 class AssetHostMailer < ActionMailer::Base
   def email_with_asset
-    mail :to => 'test@localhost',
-      :subject => 'testing email containing asset path while asset_host is set',
-      :from => 'tester@example.com'
+    mail to: 'test@localhost',
+      subject: 'testing email containing asset path while asset_host is set',
+      from: 'tester@example.com'
   end
 end
 
diff --git a/actionmailer/test/base_test.rb b/actionmailer/test/base_test.rb
index 17ce8b7072..1cb3ce63fe 100644
--- a/actionmailer/test/base_test.rb
+++ b/actionmailer/test/base_test.rb
@@ -30,21 +30,21 @@ class BaseTest < ActiveSupport::TestCase
   end
 
   test "mail() with from overwrites the class level default" do
-    email = BaseMailer.welcome(:from => 'someone@example.com',
-                               :to   => 'another@example.org')
+    email = BaseMailer.welcome(from: 'someone@example.com',
+                               to:   'another@example.org')
     assert_equal(['someone@example.com'], email.from)
     assert_equal(['another@example.org'], email.to)
   end
 
   test "mail() with bcc, cc, content_type, charset, mime_version, reply_to and date" do
     time  = Time.now.beginning_of_day.to_datetime
-    email = BaseMailer.welcome(:bcc => 'bcc@test.lindsaar.net',
-                               :cc  => 'cc@test.lindsaar.net',
-                               :content_type => 'multipart/mixed',
-                               :charset => 'iso-8559-1',
-                               :mime_version => '2.0',
-                               :reply_to => 'reply-to@test.lindsaar.net',
-                               :date => time)
+    email = BaseMailer.welcome(bcc: 'bcc@test.lindsaar.net',
+                               cc: 'cc@test.lindsaar.net',
+                               content_type: 'multipart/mixed',
+                               charset: 'iso-8559-1',
+                               mime_version: '2.0',
+                               reply_to: 'reply-to@test.lindsaar.net',
+                               date: time)
     assert_equal(['bcc@test.lindsaar.net'],             email.bcc)
     assert_equal(['cc@test.lindsaar.net'],              email.cc)
     assert_equal('multipart/mixed; charset=iso-8559-1', email.content_type)
@@ -60,7 +60,7 @@ class BaseTest < ActiveSupport::TestCase
   end
 
   test "can pass in :body to the mail method hash" do
-    email = BaseMailer.welcome(:body => "Hello there")
+    email = BaseMailer.welcome(body: "Hello there")
     assert_equal("text/plain", email.mime_type)
     assert_equal("Hello there", email.body.encoded)
   end
@@ -142,7 +142,7 @@ class BaseTest < ActiveSupport::TestCase
   end
 
   test "adds the given :body as part" do
-    email = BaseMailer.attachment_with_content(:body => "I'm the eggman")
+    email = BaseMailer.attachment_with_content(body: "I'm the eggman")
     assert_equal(2, email.parts.length)
     assert_equal("multipart/mixed", email.mime_type)
     assert_equal("text/plain", email.parts[0].mime_type)
@@ -165,31 +165,31 @@ class BaseTest < ActiveSupport::TestCase
 
   # Defaults values
   test "uses default charset from class" do
-    with_default BaseMailer, :charset => "US-ASCII" do
+    with_default BaseMailer, charset: "US-ASCII" do
       email = BaseMailer.welcome
       assert_equal("US-ASCII", email.charset)
 
-      email = BaseMailer.welcome(:charset => "iso-8559-1")
+      email = BaseMailer.welcome(charset: "iso-8559-1")
       assert_equal("iso-8559-1", email.charset)
     end
   end
 
   test "uses default content type from class" do
-    with_default BaseMailer, :content_type => "text/html" do
+    with_default BaseMailer, content_type: "text/html" do
       email = BaseMailer.welcome
       assert_equal("text/html", email.mime_type)
 
-      email = BaseMailer.welcome(:content_type => "text/plain")
+      email = BaseMailer.welcome(content_type: "text/plain")
       assert_equal("text/plain", email.mime_type)
     end
   end
 
   test "uses default mime version from class" do
-    with_default BaseMailer, :mime_version => "2.0" do
+    with_default BaseMailer, mime_version: "2.0" do
       email = BaseMailer.welcome
       assert_equal("2.0", email.mime_version)
 
-      email = BaseMailer.welcome(:mime_version => "1.0")
+      email = BaseMailer.welcome(mime_version: "1.0")
       assert_equal("1.0", email.mime_version)
     end
   end
@@ -202,17 +202,17 @@ class BaseTest < ActiveSupport::TestCase
   end
 
   test "subject gets default from I18n" do
-    BaseMailer.default :subject => nil
-    email = BaseMailer.welcome(:subject => nil)
+    BaseMailer.default subject: nil
+    email = BaseMailer.welcome(subject: nil)
     assert_equal "Welcome", email.subject
 
-    I18n.backend.store_translations('en', :base_mailer => {:welcome => {:subject => "New Subject!"}})
-    email = BaseMailer.welcome(:subject => nil)
+    I18n.backend.store_translations('en', base_mailer: {welcome: {subject: "New Subject!"}})
+    email = BaseMailer.welcome(subject: nil)
     assert_equal "New Subject!", email.subject
   end
 
   test "translations are scoped properly" do
-    I18n.backend.store_translations('en', :base_mailer => {:email_with_translations => {:greet_user => "Hello %{name}!"}})
+    I18n.backend.store_translations('en', base_mailer: {email_with_translations: {greet_user: "Hello %{name}!"}})
     email = BaseMailer.email_with_translations
     assert_equal 'Hello lifo!', email.body.encoded
   end
@@ -230,19 +230,19 @@ class BaseTest < ActiveSupport::TestCase
 
   test "implicit multipart with sort order" do
     order = ["text/html", "text/plain"]
-    with_default BaseMailer, :parts_order => order do
+    with_default BaseMailer, parts_order: order do
       email = BaseMailer.implicit_multipart
       assert_equal("text/html",  email.parts[0].mime_type)
       assert_equal("text/plain", email.parts[1].mime_type)
 
-      email = BaseMailer.implicit_multipart(:parts_order => order.reverse)
+      email = BaseMailer.implicit_multipart(parts_order: order.reverse)
       assert_equal("text/plain", email.parts[0].mime_type)
       assert_equal("text/html",  email.parts[1].mime_type)
     end
   end
 
   test "implicit multipart with attachments creates nested parts" do
-    email = BaseMailer.implicit_multipart(:attachments => true)
+    email = BaseMailer.implicit_multipart(attachments: true)
     assert_equal("application/pdf", email.parts[0].mime_type)
     assert_equal("multipart/alternative", email.parts[1].mime_type)
     assert_equal("text/plain", email.parts[1].parts[0].mime_type)
@@ -253,8 +253,8 @@ class BaseTest < ActiveSupport::TestCase
 
   test "implicit multipart with attachments and sort order" do
     order = ["text/html", "text/plain"]
-    with_default BaseMailer, :parts_order => order do
-      email = BaseMailer.implicit_multipart(:attachments => true)
+    with_default BaseMailer, parts_order: order do
+      email = BaseMailer.implicit_multipart(attachments: true)
       assert_equal("application/pdf", email.parts[0].mime_type)
       assert_equal("multipart/alternative", email.parts[1].mime_type)
       assert_equal("text/plain", email.parts[1].parts[1].mime_type)
@@ -273,7 +273,7 @@ class BaseTest < ActiveSupport::TestCase
   end
 
   test "implicit multipart with other locale" do
-    swap I18n, :locale => :pl do
+    swap I18n, locale: :pl do
       email = BaseMailer.implicit_with_locale
       assert_equal(2, email.parts.size)
       assert_equal("multipart/alternative", email.mime_type)
@@ -324,19 +324,19 @@ class BaseTest < ActiveSupport::TestCase
 
   test "explicit multipart does not sort order" do
     order = ["text/html", "text/plain"]
-    with_default BaseMailer, :parts_order => order do
+    with_default BaseMailer, parts_order: order do
       email = BaseMailer.explicit_multipart
       assert_equal("text/plain", email.parts[0].mime_type)
       assert_equal("text/html",  email.parts[1].mime_type)
 
-      email = BaseMailer.explicit_multipart(:parts_order => order.reverse)
+      email = BaseMailer.explicit_multipart(parts_order: order.reverse)
       assert_equal("text/plain", email.parts[0].mime_type)
       assert_equal("text/html",  email.parts[1].mime_type)
     end
   end
 
   test "explicit multipart with attachments creates nested parts" do
-    email = BaseMailer.explicit_multipart(:attachments => true)
+    email = BaseMailer.explicit_multipart(attachments: true)
     assert_equal("application/pdf", email.parts[0].mime_type)
     assert_equal("multipart/alternative", email.parts[1].mime_type)
     assert_equal("text/plain", email.parts[1].parts[0].mime_type)
@@ -651,7 +651,7 @@ class BaseTest < ActiveSupport::TestCase
 
   test "default_from can be set" do
     class DefaultFromMailer < ActionMailer::Base
-      default :to => 'system@test.lindsaar.net'
+      default to: 'system@test.lindsaar.net'
       self.default_options = {from: "robert.pankowecki@gmail.com"}
 
       def welcome
diff --git a/actionmailer/test/delivery_methods_test.rb b/actionmailer/test/delivery_methods_test.rb
index 7109f23e4c..61a037ea18 100644
--- a/actionmailer/test/delivery_methods_test.rb
+++ b/actionmailer/test/delivery_methods_test.rb
@@ -22,24 +22,24 @@ end
 
 class DefaultsDeliveryMethodsTest < ActiveSupport::TestCase
   test "default smtp settings" do
-    settings = { :address              => "localhost",
-                 :port                 => 25,
-                 :domain               => 'localhost.localdomain',
-                 :user_name            => nil,
-                 :password             => nil,
-                 :authentication       => nil,
-                 :enable_starttls_auto => true }
+    settings = { address:              "localhost",
+                 port:                 25,
+                 domain:               'localhost.localdomain',
+                 user_name:            nil,
+                 password:             nil,
+                 authentication:       nil,
+                 enable_starttls_auto: true }
     assert_equal settings, ActionMailer::Base.smtp_settings
   end
 
   test "default file delivery settings" do
-    settings = {:location => "#{Dir.tmpdir}/mails"}
+    settings = {location: "#{Dir.tmpdir}/mails"}
     assert_equal settings, ActionMailer::Base.file_settings
   end
 
   test "default sendmail settings" do
-    settings = {:location       => '/usr/sbin/sendmail',
-                :arguments      => '-i -t'}
+    settings = {location:  '/usr/sbin/sendmail',
+                arguments: '-i -t'}
     assert_equal settings, ActionMailer::Base.sendmail_settings
   end
 end
@@ -63,8 +63,8 @@ class CustomDeliveryMethodsTest < ActiveSupport::TestCase
   end
 
   test "allow to customize custom settings" do
-    ActionMailer::Base.custom_settings = { :foo => :bar }
-    assert_equal Hash[:foo => :bar], ActionMailer::Base.custom_settings
+    ActionMailer::Base.custom_settings = { foo: :bar }
+    assert_equal Hash[foo: :bar], ActionMailer::Base.custom_settings
   end
 
   test "respond to custom settings" do
@@ -82,8 +82,8 @@ end
 class MailDeliveryTest < ActiveSupport::TestCase
   class DeliveryMailer < ActionMailer::Base
     DEFAULT_HEADERS = {
-      :to => 'mikel@test.lindsaar.net',
-      :from => 'jose@test.plataformatec.com'
+      to: 'mikel@test.lindsaar.net',
+      from: 'jose@test.plataformatec.com'
     }
 
     def welcome(hash={})
@@ -110,7 +110,7 @@ class MailDeliveryTest < ActiveSupport::TestCase
   test "delivery method can be customized per instance" do
     email = DeliveryMailer.welcome.deliver
     assert_instance_of Mail::SMTP, email.delivery_method
-    email = DeliveryMailer.welcome(:delivery_method => :test).deliver
+    email = DeliveryMailer.welcome(delivery_method: :test).deliver
     assert_instance_of Mail::TestMailer, email.delivery_method
   end
 
@@ -125,7 +125,7 @@ class MailDeliveryTest < ActiveSupport::TestCase
   test "delivery method options default to class level options" do
     default_options = {a: "b"}
     ActionMailer::Base.add_delivery_method :optioned, MyOptionedDelivery, default_options
-    mail_instance = DeliveryMailer.welcome(:delivery_method => :optioned)
+    mail_instance = DeliveryMailer.welcome(delivery_method: :optioned)
     assert_equal default_options, mail_instance.delivery_method.options
   end
 
@@ -133,21 +133,21 @@ class MailDeliveryTest < ActiveSupport::TestCase
     default_options = {a: "b"}
     ActionMailer::Base.add_delivery_method :optioned, MyOptionedDelivery, default_options
     overridden_options = {a: "a"}
-    mail_instance = DeliveryMailer.welcome(:delivery_method => :optioned, :delivery_method_options => overridden_options)
+    mail_instance = DeliveryMailer.welcome(delivery_method: :optioned, delivery_method_options: overridden_options)
     assert_equal overridden_options, mail_instance.delivery_method.options
   end
 
   test "default delivery options can be overridden per mail instance" do
-    settings = { :address              => "localhost",
-                 :port                 => 25,
-                 :domain               => 'localhost.localdomain',
-                 :user_name            => nil,
-                 :password             => nil,
-                 :authentication       => nil,
-                 :enable_starttls_auto => true }
+    settings = { address:              "localhost",
+                 port:                 25,
+                 domain:               'localhost.localdomain',
+                 user_name:            nil,
+                 password:             nil,
+                 authentication:       nil,
+                 enable_starttls_auto: true }
     assert_equal settings, ActionMailer::Base.smtp_settings
-    overridden_options = {user_name: "overridden", :password => "somethingobtuse"}
-    mail_instance = DeliveryMailer.welcome(:delivery_method_options => overridden_options)
+    overridden_options = {user_name: "overridden", password: "somethingobtuse"}
+    mail_instance = DeliveryMailer.welcome(delivery_method_options: overridden_options)
     delivery_method_instance = mail_instance.delivery_method
     assert_equal "overridden", delivery_method_instance.settings[:user_name]
     assert_equal "somethingobtuse", delivery_method_instance.settings[:password]
diff --git a/actionmailer/test/i18n_with_controller_test.rb b/actionmailer/test/i18n_with_controller_test.rb
index 68ed86e0d4..a3e93c9c31 100644
--- a/actionmailer/test/i18n_with_controller_test.rb
+++ b/actionmailer/test/i18n_with_controller_test.rb
@@ -9,15 +9,15 @@ class I18nTestMailer < ActionMailer::Base
   def mail_with_i18n_subject(recipient)
     @recipient  = recipient
     I18n.locale = :de
-    mail(:to => recipient, :subject => "#{I18n.t :email_subject} #{recipient}",
-      :from => "system@loudthinking.com", :date => Time.local(2004, 12, 12))
+    mail(to: recipient, subject: "#{I18n.t :email_subject} #{recipient}",
+      from: "system@loudthinking.com", date: Time.local(2004, 12, 12))
   end
 end
 
 class TestController < ActionController::Base
   def send_mail
     I18nTestMailer.mail_with_i18n_subject("test@localhost").deliver
-    render :text => 'Mail sent'
+    render text: 'Mail sent'
   end
 end
 
@@ -32,7 +32,7 @@ class ActionMailerI18nWithControllerTest < ActionDispatch::IntegrationTest
   end
 
   def setup
-    I18n.backend.store_translations('de', :email_subject => '[Signed up] Welcome')
+    I18n.backend.store_translations('de', email_subject: '[Signed up] Welcome')
   end
 
   def teardown
diff --git a/actionmailer/test/mail_helper_test.rb b/actionmailer/test/mail_helper_test.rb
index d8a73e6c46..24ccaab8df 100644
--- a/actionmailer/test/mail_helper_test.rb
+++ b/actionmailer/test/mail_helper_test.rb
@@ -10,7 +10,7 @@ class HelperMailer < ActionMailer::Base
             "it off!"
 
     mail_with_defaults do |format|
-      format.html { render(:inline => "<%= block_format @text %>") }
+      format.html { render(inline: "<%= block_format @text %>") }
     end
   end
 
@@ -18,7 +18,7 @@ class HelperMailer < ActionMailer::Base
     @text = "But soft! What light through yonder window breaks?"
 
     mail_with_defaults do |format|
-      format.html { render(:inline => "<%= format_paragraph @text, 15, 1 %>") }
+      format.html { render(inline: "<%= format_paragraph @text, 15, 1 %>") }
     end
   end
 
@@ -26,19 +26,19 @@ class HelperMailer < ActionMailer::Base
     @text = "Antidisestablishmentarianism is very long."
 
     mail_with_defaults do |format|
-      format.html { render(:inline => "<%= format_paragraph @text, 10, 1 %>") }
+      format.html { render(inline: "<%= format_paragraph @text, 10, 1 %>") }
     end
   end
 
   def use_mailer
     mail_with_defaults do |format|
-      format.html { render(:inline => "<%= mailer.message.subject %>") }
+      format.html { render(inline: "<%= mailer.message.subject %>") }
     end
   end
 
   def use_message
     mail_with_defaults do |format|
-      format.html { render(:inline => "<%= message.subject %>") }
+      format.html { render(inline: "<%= message.subject %>") }
     end
   end
 
@@ -55,15 +55,15 @@ The second
     TEXT
 
     mail_with_defaults do |format|
-      format.html { render(:inline => "<%= block_format @text %>") }
+      format.html { render(inline: "<%= block_format @text %>") }
     end
   end
 
   protected
 
   def mail_with_defaults(&block)
-    mail(:to => "test@localhost", :from => "tester@example.com",
-          :subject => "using helpers", &block)
+    mail(to: "test@localhost", from: "tester@example.com",
+          subject: "using helpers", &block)
   end
 end
 
diff --git a/actionmailer/test/mail_layout_test.rb b/actionmailer/test/mail_layout_test.rb
index 71e93c29f1..7f959282cb 100644
--- a/actionmailer/test/mail_layout_test.rb
+++ b/actionmailer/test/mail_layout_test.rb
@@ -1,9 +1,9 @@
 require 'abstract_unit'
 
 class AutoLayoutMailer < ActionMailer::Base
-  default :to => 'test@localhost',
-    :subject => "You have a mail",
-    :from => "tester@example.com"
+  default to: 'test@localhost',
+    subject: "You have a mail",
+    from: "tester@example.com"
 
   def hello
     mail()
@@ -11,16 +11,16 @@ class AutoLayoutMailer < ActionMailer::Base
 
   def spam
     @world = "Earth"
-    mail(:body => render(:inline => "Hello, <%= @world %>", :layout => 'spam'))
+    mail(body: render(inline: "Hello, <%= @world %>", layout: 'spam'))
   end
 
   def nolayout
     @world = "Earth"
-    mail(:body => render(:inline => "Hello, <%= @world %>", :layout => false))
+    mail(body: render(inline: "Hello, <%= @world %>", layout: false))
   end
 
   def multipart(type = nil)
-    mail(:content_type => type) do |format|
+    mail(content_type: type) do |format|
       format.text { render }
       format.html { render }
     end
@@ -28,11 +28,11 @@ class AutoLayoutMailer < ActionMailer::Base
 end
 
 class ExplicitLayoutMailer < ActionMailer::Base
-  layout 'spam', :except => [:logout]
+  layout 'spam', except: [:logout]
 
-  default :to => 'test@localhost',
-    :subject => "You have a mail",
-    :from => "tester@example.com"
+  default to: 'test@localhost',
+    subject: "You have a mail",
+    from: "tester@example.com"
 
   def signup
     mail()
diff --git a/actionmailer/test/mailers/base_mailer.rb b/actionmailer/test/mailers/base_mailer.rb
index e55d72fdb4..f25d9b9aff 100644
--- a/actionmailer/test/mailers/base_mailer.rb
+++ b/actionmailer/test/mailers/base_mailer.rb
@@ -1,13 +1,13 @@
 class BaseMailer < ActionMailer::Base
   self.mailer_name = "base_mailer"
 
-  default :to => 'system@test.lindsaar.net',
-          :from => 'jose@test.plataformatec.com',
-          :reply_to => 'mikel@test.lindsaar.net'
+  default to: 'system@test.lindsaar.net',
+          from: 'jose@test.plataformatec.com',
+          reply_to: 'mikel@test.lindsaar.net'
 
   def welcome(hash = {})
     headers['X-SPAM'] = "Not SPAM"
-    mail({:subject => "The first email on new API!"}.merge!(hash))
+    mail({subject: "The first email on new API!"}.merge!(hash))
   end
 
   def welcome_with_headers(hash = {})
@@ -16,7 +16,7 @@ class BaseMailer < ActionMailer::Base
   end
 
   def welcome_from_another_path(path)
-    mail(:template_name => "welcome", :template_path => path)
+    mail(template_name: "welcome", template_path: path)
   end
 
   def html_only(hash = {})
@@ -38,15 +38,15 @@ class BaseMailer < ActionMailer::Base
   end
 
   def attachment_with_hash
-    attachments['invoice.jpg'] = { :data => "\312\213\254\232)b",
-                                   :mime_type => "image/x-jpg",
-                                   :transfer_encoding => "base64" }
+    attachments['invoice.jpg'] = { data: "\312\213\254\232)b",
+                                   mime_type: "image/x-jpg",
+                                   transfer_encoding: "base64" }
     mail
   end
 
   def attachment_with_hash_default_encoding
-    attachments['invoice.jpg'] = { :data => "\312\213\254\232)b",
-                                   :mime_type => "image/x-jpg" }
+    attachments['invoice.jpg'] = { data: "\312\213\254\232)b",
+                                   mime_type: "image/x-jpg" }
     mail
   end
 
@@ -62,8 +62,8 @@ class BaseMailer < ActionMailer::Base
   def explicit_multipart(hash = {})
     attachments['invoice.pdf'] = 'This is test File content' if hash.delete(:attachments)
     mail(hash) do |format|
-      format.text { render :text => "TEXT Explicit Multipart" }
-      format.html { render :text => "HTML Explicit Multipart" }
+      format.text { render text: "TEXT Explicit Multipart" }
+      format.html { render text: "HTML Explicit Multipart" }
     end
   end
 
@@ -76,13 +76,13 @@ class BaseMailer < ActionMailer::Base
 
   def explicit_multipart_with_any(hash = {})
     mail(hash) do |format|
-      format.any(:text, :html){ render :text => "Format with any!" }
+      format.any(:text, :html){ render text: "Format with any!" }
     end
   end
 
   def explicit_multipart_with_options(include_html = false)
     mail do |format|
-      format.text(:content_transfer_encoding => "base64"){ render "welcome" }
+      format.text(content_transfer_encoding: "base64"){ render "welcome" }
       format.html{ render "welcome" } if include_html
     end
   end
@@ -95,24 +95,24 @@ class BaseMailer < ActionMailer::Base
   end
 
   def implicit_different_template(template_name='')
-    mail(:template_name => template_name)
+    mail(template_name: template_name)
   end
 
   def explicit_different_template(template_name='')
     mail do |format|
-      format.text { render :template => "#{mailer_name}/#{template_name}" }
-      format.html { render :template => "#{mailer_name}/#{template_name}" }
+      format.text { render template: "#{mailer_name}/#{template_name}" }
+      format.html { render template: "#{mailer_name}/#{template_name}" }
     end
   end
 
   def different_layout(layout_name='')
     mail do |format|
-      format.text { render :layout => layout_name }
-      format.html { render :layout => layout_name }
+      format.text { render layout: layout_name }
+      format.html { render layout: layout_name }
     end
   end
 
   def email_with_translations
-    mail :body => render("email_with_translations", :formats => [:html])
+    mail body: render("email_with_translations", formats: [:html])
   end
 end
diff --git a/actionmailer/test/mailers/proc_mailer.rb b/actionmailer/test/mailers/proc_mailer.rb
index 43916e1421..733633b575 100644
--- a/actionmailer/test/mailers/proc_mailer.rb
+++ b/actionmailer/test/mailers/proc_mailer.rb
@@ -1,7 +1,7 @@
 class ProcMailer < ActionMailer::Base
-  default :to => 'system@test.lindsaar.net',
+  default to: 'system@test.lindsaar.net',
           'X-Proc-Method' => Proc.new { Time.now.to_i.to_s },
-          :subject => Proc.new { give_a_greeting }
+          subject: Proc.new { give_a_greeting }
 
   def welcome
     mail
diff --git a/actionmailer/test/test_helper_test.rb b/actionmailer/test/test_helper_test.rb
index dd62164176..7c7f0b6fdc 100644
--- a/actionmailer/test/test_helper_test.rb
+++ b/actionmailer/test/test_helper_test.rb
@@ -3,9 +3,9 @@ require 'abstract_unit'
 class TestHelperMailer < ActionMailer::Base
   def test
     @world = "Earth"
-    mail :body => render(:inline => "Hello, <%= @world %>"),
-      :to => "test@example.com",
-      :from => "tester@example.com"
+    mail body: render(inline: "Hello, <%= @world %>"),
+      to: "test@example.com",
+      from: "tester@example.com"
   end
 end
 
diff --git a/actionmailer/test/url_test.rb b/actionmailer/test/url_test.rb
index 2ea1723434..dcd80f46b5 100644
--- a/actionmailer/test/url_test.rb
+++ b/actionmailer/test/url_test.rb
@@ -19,9 +19,9 @@ class UrlTestMailer < ActionMailer::Base
 
   def signed_up_with_url(recipient)
     @recipient   = recipient
-    @welcome_url = url_for :host => "example.com", :controller => "welcome", :action => "greeting"
-    mail(:to => recipient, :subject => "[Signed up] Welcome #{recipient}",
-      :from => "system@loudthinking.com", :date => Time.local(2004, 12, 12))
+    @welcome_url = url_for host: "example.com", controller: "welcome", action: "greeting"
+    mail(to: recipient, subject: "[Signed up] Welcome #{recipient}",
+      from: "system@loudthinking.com", date: Time.local(2004, 12, 12))
   end
 end
 
@@ -58,7 +58,7 @@ class ActionMailerUrlTest < ActionMailer::TestCase
 
     AppRoutes.draw do
       get ':controller(/:action(/:id))'
-      get '/welcome' => "foo#bar", :as => "welcome"
+      get '/welcome' => "foo#bar", as: "welcome"
     end
 
     expected = new_mail