CookieJar is enumerable. fixes #2795

actionpack/CHANGELOG

@@ -30,6 +30,8 @@
 
 *Rails 3.1.1 (unreleased)*
 
+* CookieJar is now Enumerable. Fixes #2795
+
 * Fixed AssetNotPrecompiled error raised when rake assets:precompile is compiling certain .erb files. [Guillermo Iguaran]
 
 * Manifest is correctly placed in assets path when default assets prefix is changed. [Guillermo Iguaran]

actionpack/lib/action_dispatch/middleware/cookies.rb

@@ -85,6 +85,7 @@ class Cookies
     class CookieOverflow < StandardError; end
 
     class CookieJar #:nodoc:
+      include Enumerable
 
       # This regular expression is used to split the levels of a domain.
       # The top level domain can be any string without a period or
@@ -124,6 +125,10 @@ def initialize(secret = nil, host = nil, secure = false)
       alias :closed? :closed
       def close!; @closed = true end
 
+      def each(&block)
+        @cookies.each(&block)
+      end
+
       # Returns the value of the cookie by +name+, or +nil+ if no such cookie exists.
       def [](name)
         @cookies[name.to_s]

actionpack/test/dispatch/cookies_test.rb

@@ -148,6 +148,22 @@ def setup
     @request.host = "www.nextangle.com"
   end
 
+  def test_each
+    request.cookie_jar['foo'] = :bar
+    list = []
+    request.cookie_jar.each do |k,v|
+      list << [k, v]
+    end
+
+    assert_equal [['foo', :bar]], list
+  end
+
+  def test_enumerable
+    request.cookie_jar['foo'] = :bar
+    actual = request.cookie_jar.map { |k,v| [k.to_s, v.to_s] }
+    assert_equal [['foo', 'bar']], actual
+  end
+
   def test_key_methods
     assert !request.cookie_jar.key?(:foo)
     assert !request.cookie_jar.has_key?("foo")