test :method option of link_to_remote, and ensure rel='nofollow' is a…

…dded when :method => 'delete'

actionpack/lib/action_view/helpers/ajax_helper.rb

@@ -291,6 +291,7 @@ def form_remote_tag(options = {}, &block)
       #     :href => url_for(:action => "destroy", :id => post.id)
       def link_to_remote(name, options, html_options = {})
         attributes = {}
+        attributes.merge!(:rel => "nofollow") if options[:method] && options[:method].downcase == "delete"
         attributes.merge!(extract_remote_attributes!(options))
         attributes.merge!(html_options)
 

actionpack/test/template/ajax_helper_test.rb

@@ -86,6 +86,11 @@ def setup
       link_to_remote("Remote outauthor", :url => { :action => "whatnot" }, :position => :bottom)
   end
 
+  test "link_to_remote with method delete" do
+    assert_dom_equal %(<a class=\"fine\" href=\"#\" data-remote=\"true\" data-url=\"http://www.example.com/whatnot\" data-method=\"delete\" rel=\"nofollow\">Remote outauthor</a>),
+      link_to_remote("Remote outauthor", { :url => { :action => "whatnot" }, :method => "delete"}, { :class => "fine"  })
+  end
+
   test "link_to_remote html options" do
     assert_dom_equal %(<a class=\"fine\" href=\"#\" data-remote=\"true\" data-url=\"http://www.example.com/whatnot\">Remote outauthor</a>),
       link_to_remote("Remote outauthor", { :url => { :action => "whatnot"  }, :html => { :class => "fine" } })