session_enabled? works with session :off. Closes #6680.

git-svn-id: http://svn-commit.rubyonrails.org/rails/trunk@6253 5ecf4fe2-1ee6-0310-87b1-e25e094e27de

actionpack/CHANGELOG

 *SVN*
 
+* session_enabled? works with session :off.  #6680 [Catfish]
+
 * Added :port and :host handling to UrlRewriter (which unified url_for usage, regardless of whether it's called in view or controller) #7616 [alancfrancis]
 
 * Allow send_file/send_data to use a registered mime type as the :type parameter #7620 [jonathan]

actionpack/lib/action_controller/base.rb

@@ -585,7 +585,7 @@ def controller_path
       end
       
       def session_enabled?
-        request.session_options[:disabled] != false
+        request.session_options && request.session_options[:disabled] != false
       end
       
       # View load paths for controller.

actionpack/test/controller/session_management_test.rb

@@ -142,4 +142,15 @@ def test_process_cleanup_with_session_management_support
     get :tell
     assert_equal "does not have cached associations", @response.body
   end
+  
+  def test_session_is_enabled
+    @controller = TestController.new
+    get :show
+    assert_nothing_raised do
+      assert_equal false, @controller.session_enabled?
+    end
+    
+    get :tell
+    assert @controller.session_enabled?
+  end
 end