From 000d5936216f363a5b11013f664959019b7ebac2 Mon Sep 17 00:00:00 2001
From: Yehuda Katz <wycats@gmail.com>
Date: Mon, 26 Oct 2009 18:01:09 -0700
Subject: [PATCH] Clean up and update cookies

---
 .../lib/action_controller/metal/cookies.rb    | 44 ++++++++++++-------
 actionpack/test/controller/cookie_test.rb     | 11 +++--
 2 files changed, 32 insertions(+), 23 deletions(-)

diff --git a/actionpack/lib/action_controller/metal/cookies.rb b/actionpack/lib/action_controller/metal/cookies.rb
index c328db8beb..6855ca1478 100644
--- a/actionpack/lib/action_controller/metal/cookies.rb
+++ b/actionpack/lib/action_controller/metal/cookies.rb
@@ -44,24 +44,31 @@ module ActionController #:nodoc:
   # * <tt>:httponly</tt> - Whether this cookie is accessible via scripting or
   #   only HTTP. Defaults to +false+.
   module Cookies
-    def self.included(base)
-      base.helper_method :cookies
+    extend ActiveSupport::Concern
+
+    include RackConvenience
+
+    included do
+      helper_method :cookies
     end
 
-    protected
-      # Returns the cookie container, which operates as described above.
-      def cookies
-        @cookies ||= CookieJar.new(self)
-      end
+  protected
+    # Returns the cookie container, which operates as described above.
+    def cookies
+      @cookies ||= CookieJar.build(request, response)
+    end
   end
 
   class CookieJar < Hash #:nodoc:
-    def initialize(controller)
-      @controller, @cookies = controller, controller.request.cookies
-      super()
-      update(@cookies)
+    def self.build(request, response)
+      new.tap do |hash|
+        hash.update(request.cookies)
+        hash.response = response
+      end
     end
 
+    attr_accessor :response
+
     # Returns the value of the cookie by +name+, or +nil+ if no such cookie exists.
     def [](name)
       super(name.to_s)
@@ -72,13 +79,16 @@ module ActionController #:nodoc:
     def []=(key, options)
       if options.is_a?(Hash)
         options.symbolize_keys!
+        value = options[:value]
       else
-        options = { :value => options }
+        value = options
+        options = { :value => value }
       end
 
-      options[:path] = "/" unless options.has_key?(:path)
-      super(key.to_s, options[:value])
-      @controller.response.set_cookie(key, options)
+      super(key.to_s, value)
+      
+      options[:path] ||= "/"
+      response.set_cookie(key, options)
     end
 
     # Removes the cookie on the client machine by setting the value to an empty string
@@ -86,9 +96,9 @@ module ActionController #:nodoc:
     # an options hash to delete cookies with extra data such as a <tt>:path</tt>.
     def delete(key, options = {})
       options.symbolize_keys!
-      options[:path] = "/" unless options.has_key?(:path)
+      options[:path] ||= "/"
       value = super(key.to_s)
-      @controller.response.delete_cookie(key, options)
+      response.delete_cookie(key, options)
       value
     end
   end
diff --git a/actionpack/test/controller/cookie_test.rb b/actionpack/test/controller/cookie_test.rb
index b429cbf0e6..53d4364576 100644
--- a/actionpack/test/controller/cookie_test.rb
+++ b/actionpack/test/controller/cookie_test.rb
@@ -106,7 +106,7 @@ class CookieTest < ActionController::TestCase
   def test_cookiejar_accessor
     @request.cookies["user_name"] = "david"
     @controller.request = @request
-    jar = ActionController::CookieJar.new(@controller)
+    jar = ActionController::CookieJar.build(@controller.request, @controller.response)
     assert_equal "david", jar["user_name"]
     assert_equal nil, jar["something_else"]
   end
@@ -114,14 +114,14 @@ class CookieTest < ActionController::TestCase
   def test_cookiejar_accessor_with_array_value
     @request.cookies["pages"] = %w{1 2 3}
     @controller.request = @request
-    jar = ActionController::CookieJar.new(@controller)
+    jar = ActionController::CookieJar.build(@controller.request, @controller.response)
     assert_equal %w{1 2 3}, jar["pages"]
   end
 
   def test_cookiejar_delete_removes_item_and_returns_its_value
     @request.cookies["user_name"] = "david"
     @controller.response = @response
-    jar = ActionController::CookieJar.new(@controller)
+    jar = ActionController::CookieJar.build(@controller.request, @controller.response)
     assert_equal "david", jar.delete("user_name")
   end
 
@@ -131,9 +131,8 @@ class CookieTest < ActionController::TestCase
   end
 
   def test_cookies_persist_throughout_request
-    get :authenticate
-    cookies = @controller.send(:cookies)
-    assert_equal 'david', cookies['user_name']
+    response = get :authenticate
+    assert response.headers["Set-Cookie"] =~ /user_name=david/
   end
   
   private