Improve ActionCaching's format-handling

Make ActionCaching more aware of different mimetype formats.
It will now use request.format to look up the cache type, in addition to the path extension.
When expiring caches, the request format no longer affects which cache is expired.

Signed-off-by: Pratik Naik <pratiknaik@gmail.com>

1 files changed, 48 insertions, 5 deletions

diff --git a/actionpack/test/controller/caching_test.rb b/actionpack/test/controller/caching_test.rb
index 4fb2397e5b..89e12ddae3 100644
--- a/actionpack/test/controller/caching_test.rb
+++ b/actionpack/test/controller/caching_test.rb
@@ -189,6 +189,10 @@ class ActionCachingTestController < ActionController::Base
     expire_action :controller => 'action_caching_test', :action => 'index'
     render :nothing => true
   end
+  def expire_xml
+    expire_action :controller => 'action_caching_test', :action => 'index', :format => 'xml'
+    render :nothing => true
+  end
 end
 
 class MockTime < Time
@@ -214,6 +218,7 @@ class ActionCachingMockController
     mocked_path = @mock_path
     Object.new.instance_eval(<<-EVAL)
       def path; '#{@mock_path}' end
+      def format; 'all' end
       self
     EVAL
   end
@@ -327,6 +332,20 @@ class ActionCacheTest < Test::Unit::TestCase
     assert_equal new_cached_time, @response.body
   end
 
+  def test_cache_expiration_isnt_affected_by_request_format
+    get :index
+    cached_time = content_to_cache
+    reset!
+
+    @request.set_REQUEST_URI "/action_caching_test/expire.xml"
+    get :expire, :format => :xml
+    reset!
+
+    get :index
+    new_cached_time = content_to_cache
+    assert_not_equal cached_time, @response.body
+  end
+
   def test_cache_is_scoped_by_subdomain
     @request.host = 'jamis.hostname.com'
     get :index
@@ -371,11 +390,35 @@ class ActionCacheTest < Test::Unit::TestCase
   end
 
   def test_xml_version_of_resource_is_treated_as_different_cache
-    @mock_controller.mock_url_for = 'http://example.org/posts/'
-    @mock_controller.mock_path    = '/posts/index.xml'
-    path_object = @path_class.new(@mock_controller, {})
-    assert_equal 'xml', path_object.extension
-    assert_equal 'example.org/posts/index.xml', path_object.path
+    with_routing do |set|
+      ActionController::Routing::Routes.draw do |map|
+        map.connect ':controller/:action.:format'
+        map.connect ':controller/:action'
+      end
+
+      get :index, :format => 'xml'
+      cached_time = content_to_cache
+      assert_equal cached_time, @response.body
+      assert fragment_exist?('hostname.com/action_caching_test/index.xml')
+      reset!
+
+      get :index, :format => 'xml'
+      assert_equal cached_time, @response.body
+      assert_equal 'application/xml', @response.content_type
+      reset!
+
+      @request.env['HTTP_ACCEPT'] = "application/xml"
+      get :index
+      assert_equal cached_time, @response.body
+      assert_equal 'application/xml', @response.content_type
+      reset!
+
+      get :expire_xml
+      reset!
+
+      get :index, :format => 'xml'
+      assert_not_equal cached_time, @response.body
+    end
   end
 
   def test_correct_content_type_is_returned_for_cache_hit