Add magic comment to freeze String literals (#907)

* Add magic comment to frozen String literals

lib/capybara/poltergeist.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 if RUBY_VERSION < "1.9.2"
   raise "This version of Capybara/Poltergeist does not support Ruby versions " \
         "less than 1.9.2."

lib/capybara/poltergeist/browser.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require "capybara/poltergeist/errors"
 require "capybara/poltergeist/command"
 require 'json'

lib/capybara/poltergeist/client.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require "timeout"
 require "capybara/poltergeist/utility"
 require 'cliver'

lib/capybara/poltergeist/command.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'securerandom'
 
 module Capybara::Poltergeist
@@ -16,4 +18,4 @@ module Capybara::Poltergeist
       JSON.dump({ 'id' => @id, 'name' => @name, 'args' => @args })
     end
   end
-end
+end

lib/capybara/poltergeist/cookie.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module Capybara::Poltergeist
   class Cookie
     def initialize(attributes)

lib/capybara/poltergeist/driver.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'uri'
 
 module Capybara::Poltergeist

lib/capybara/poltergeist/errors.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module Capybara
   module Poltergeist
     class Error < StandardError; end

lib/capybara/poltergeist/inspector.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module Capybara::Poltergeist
   class Inspector
     BROWSERS     = %w(chromium chromium-browser google-chrome open)

lib/capybara/poltergeist/network_traffic.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module Capybara::Poltergeist
   module NetworkTraffic
     require 'capybara/poltergeist/network_traffic/request'

lib/capybara/poltergeist/network_traffic/error.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module Capybara::Poltergeist::NetworkTraffic
   class Error
     def initialize(data)

lib/capybara/poltergeist/network_traffic/request.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module Capybara::Poltergeist::NetworkTraffic
   class Request
     attr_reader :response_parts, :error

lib/capybara/poltergeist/network_traffic/response.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module Capybara::Poltergeist::NetworkTraffic
   class Response
     def initialize(data)

lib/capybara/poltergeist/node.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module Capybara::Poltergeist
   class Node < Capybara::Driver::Node
     attr_reader :page_id, :id

lib/capybara/poltergeist/server.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module Capybara::Poltergeist
   class Server
     attr_reader :socket, :fixed_port, :timeout, :custom_host

lib/capybara/poltergeist/utility.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module Capybara
   module Poltergeist
     class << self

lib/capybara/poltergeist/version.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module Capybara
   module Poltergeist
     VERSION = "1.16.0"

lib/capybara/poltergeist/web_socket_server.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'socket'
 require 'websocket/driver'
 

spec/integration/driver_spec.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 require 'image_size'
 require 'pdf/reader'

spec/integration/session_spec.rb

@@ -1,4 +1,6 @@
 # coding: utf-8
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 skip = []

spec/spec_helper.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 POLTERGEIST_ROOT = File.expand_path('../..', __FILE__)
 $:.unshift(POLTERGEIST_ROOT + '/lib')
 

spec/support/spec_logger.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 class SpecLogger
   attr_reader :messages
 

spec/support/test_app.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'capybara/spec/test_app'
 
 class TestApp

spec/support/views/long_page.erb

@@ -38,4 +38,4 @@
   <p id="penultimate">Praesent viverra, augue vel vestibulum gravida, diam mauris sodales massa, eget cursus nisi sem in libero. Sed convallis molestie pellentesque. Ut vel ipsum massa, sit amet cursus quam. Nullam dapibus, elit eu lobortis malesuada, tellus ante consectetur diam, eget dignissim mi ante in nisl. Mauris egestas bibendum laoreet. Morbi tincidunt feugiat magna, et rutrum lectus laoreet eget. Ut ac tortor ante. In odio tortor, rhoncus a rhoncus sed, viverra ultrices metus. Quisque mollis massa velit, cursus auctor ligula. Quisque egestas arcu erat.</p>
 
   <p><a href="/">Phasellus blandit velit</a> non dolor bibendum eleifend. In lobortis metus vel lorem auctor fermentum nec pulvinar nisl. Vestibulum urna mauris, malesuada quis viverra sit amet, convallis vel arcu. Mauris quis tortor ipsum, ac cursus erat. Cras laoreet accumsan elit, sed convallis nibh scelerisque vel. Praesent nec nunc dolor, et rutrum sem. Integer sagittis imperdiet arcu, et dictum nisl mattis eget. In sapien tellus, eleifend ut accumsan id, aliquam quis risus. Cras viverra neque et augue fringilla eu malesuada felis tincidunt. Pellentesque habitant morbi tristique senectus et netus et malesuada fames ac turpis egestas. Integer a magna non tellus fringilla gravida sed quis justo. Cras pulvinar ultricies tincidunt. Nullam hendrerit risus id massa feugiat iaculis. Duis rhoncus ipsum dolor, ut semper dolor. Pellentesque habitant morbi tristique senectus et netus et malesuada fames ac turpis egestas. </p>
-</div>
+</div>

spec/support/views/unwanted.erb

@@ -3,4 +3,4 @@
   <body>
     We shouldn't see this.
   </body>
-</html>
+</html>

spec/support/views/url_blacklist.erb

@@ -6,4 +6,4 @@
     <img src="/poltergeist/unwanted" style="height:100px;width:100px;" />
     <script src="/poltergeist/unwanted" />
   </body>
-</html>
+</html>

spec/support/views/with_ajax_fail.erb

@@ -13,4 +13,4 @@
       });
     </script>
   </body>
-</html>
+</html>

spec/support/views/with_different_resources.erb

@@ -12,4 +12,4 @@
     <a href="/poltergeist/status/402">Go to 402</a>
     <a href="/poltergeist/status/500">Go to 500</a>
   </body>
-</html>
+</html>

spec/unit/browser_spec.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 require 'stringio'
 

spec/unit/client_spec.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 module Capybara::Poltergeist

spec/unit/driver_spec.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 module Capybara::Poltergeist

spec/unit/inspector_spec.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 module Capybara::Poltergeist