Unrescued ActiveRecord::RecordNotFound responds with 404 instead of 500.

git-svn-id: http://svn-commit.rubyonrails.org/rails/trunk@5706 5ecf4fe2-1ee6-0310-87b1-e25e094e27de

actionpack/CHANGELOG

@@ -1,5 +1,7 @@
 *SVN*
 
+* Unrescued ActiveRecord::RecordNotFound responds with 404 instead of 500.  [Jeremy Kemper]
+
 * Improved auto_link to match more valid urls correctly [Tobias Luetke]
 
 * Add singleton resources. [Rick Olson]

actionpack/lib/action_controller/rescue.rb

@@ -11,7 +11,8 @@ module ActionController #:nodoc:
     DEFAULT_RESCUE_RESPONSE = :internal_server_error
     DEFAULT_RESCUE_RESPONSES = {
       'ActionController::RoutingError'    => :not_found,
-      'ActionController::UnknownAction'   => :not_found
+      'ActionController::UnknownAction'   => :not_found,
+      'ActiveRecord::RecordNotFound'      => :not_found
     }
 
     DEFAULT_RESCUE_TEMPLATE = 'diagnostics'

actionpack/test/controller/rescue_test.rb

@@ -143,6 +143,7 @@ class RescueTest < Test::Unit::TestCase
 
     assert_equal :not_found, responses[ActionController::RoutingError.name]
     assert_equal :not_found, responses[ActionController::UnknownAction.name]
+    assert_equal :not_found, responses['ActiveRecord::RecordNotFound']
   end
 
   def test_rescue_templates