write_fragment returns content if caching is disabled [#846 state:res…

…olved]

actionpack/lib/action_controller/caching/fragments.rb

@@ -10,23 +10,23 @@ module Caching
     #     <%= render :partial => "topic", :collection => Topic.find(:all) %>
     #   <% end %>
     #
-    # This cache will bind to the name of the action that called it, so if this code was part of the view for the topics/list action, you would 
-    # be able to invalidate it using <tt>expire_fragment(:controller => "topics", :action => "list")</tt>. 
-    # 
-    # This default behavior is of limited use if you need to cache multiple fragments per action or if the action itself is cached using 
+    # This cache will bind to the name of the action that called it, so if this code was part of the view for the topics/list action, you would
+    # be able to invalidate it using <tt>expire_fragment(:controller => "topics", :action => "list")</tt>.
+    #
+    # This default behavior is of limited use if you need to cache multiple fragments per action or if the action itself is cached using
     # <tt>caches_action</tt>, so we also have the option to qualify the name of the cached fragment with something like:
     #
     #   <% cache(:action => "list", :action_suffix => "all_topics") do %>
     #
-    # That would result in a name such as "/topics/list/all_topics", avoiding conflicts with the action cache and with any fragments that use a 
-    # different suffix. Note that the URL doesn't have to really exist or be callable - the url_for system is just used to generate unique 
-    # cache names that we can refer to when we need to expire the cache. 
-    # 
+    # That would result in a name such as "/topics/list/all_topics", avoiding conflicts with the action cache and with any fragments that use a
+    # different suffix. Note that the URL doesn't have to really exist or be callable - the url_for system is just used to generate unique
+    # cache names that we can refer to when we need to expire the cache.
+    #
     # The expiration call for this example is:
-    # 
+    #
     #   expire_fragment(:controller => "topics", :action => "list", :action_suffix => "all_topics")
     module Fragments
-      # Given a key (as described in <tt>expire_fragment</tt>), returns a key suitable for use in reading, 
+      # Given a key (as described in <tt>expire_fragment</tt>), returns a key suitable for use in reading,
       # writing, or expiring a cached fragment. If the key is a hash, the generated key is the return
       # value of url_for on that hash (without the protocol). All keys are prefixed with "views/" and uses
       # ActiveSupport::Cache.expand_cache_key for the expansion.
@@ -50,7 +50,7 @@ def fragment_for(buffer, name = {}, options = nil, &block) #:nodoc:
 
       # Writes <tt>content</tt> to the location signified by <tt>key</tt> (see <tt>expire_fragment</tt> for acceptable formats)
       def write_fragment(key, content, options = nil)
-        return unless cache_configured?
+        return content unless cache_configured?
 
         key = fragment_cache_key(key)
 

actionpack/test/controller/caching_test.rb

@@ -527,7 +527,7 @@ def test_write_fragment_with_caching_enabled
   def test_write_fragment_with_caching_disabled
     assert_nil @store.read('views/name')
     ActionController::Base.perform_caching = false
-    assert_equal nil, @controller.write_fragment('name', 'value')
+    assert_equal 'value', @controller.write_fragment('name', 'value')
     assert_nil @store.read('views/name')
   end