rspec/rspec-rails — pull request #709 by chrisyour (2013-03-05 06:49:16+00:00)
Title: Add patch to routing helpers

Using Rails 4 Beta, noticed that PATCH is the primary HTTP method for updates.

Adding PATCH to the route helpers for Rails 4 support.

http://weblog.rubyonrails.org/2012/2/25/edge-rails-patch-is-the-new-primary-http-method-for-updates/