search for: hash_with

I''m wanting to write a spec that a model is applying an :order option to a find call, but I don''t want to completely specify all of the find parameters. So I want to write something like this, say in a controller spec User.should_receive(:find).with(:all, hash_with_at_least(:order => ''user.name ASC'')) get ''index'', :sort => ''up'' This ability to partially specify the contents of a hash argument seems to be generally useful, particularly for Rails, and was wondering if anyone had done this. I don...