fixed up rails-3 verb routing. convert 'method' into 'via' [mchung]

lib/routes_upgrader.rb

@@ -252,6 +252,10 @@ module Rails
             @options[:via] = @options.delete(:conditions).delete(:method)
           end
 
+          if @options[:method]
+            @options[:via] = @options.delete(:method).to_s
+          end
+
           @options ||= {}
           base = (base % [@path, @options.delete(:controller), (@options.delete(:action) || "index")])
           opts = opts_to_string(@options)

test/routes_upgrader_test.rb

@@ -145,6 +145,7 @@ end
     assert_equal new_routes_code, result
   end
 
+
   def test_preserves_resources_except_option
     route = Rails::Upgrading::FakeResourceRoute.new("hats", :except => [:index])
     assert_equal "resources :hats, :except => [:index]", route.to_route_code
@@ -154,4 +155,22 @@ end
     route = Rails::Upgrading::FakeResourceRoute.new("hats", :only => :show)
     assert_equal "resources :hats, :only => :show", route.to_route_code
   end
+
+  def test_generates_code_for_delete_route
+    routes_code = %Q{
+      ActionController::Routing::Routes.draw do |map|
+        map.sign_out '/sign_out', :controller => 'sessions', :action => 'destroy', :method => :delete
+      end
+    }
+
+    new_routes_code = %Q{
+      MyApplication::Application.routes.draw do
+        match '/sign_out' => 'sessions#destroy', :as => :sign_out, :via => 'delete'
+      end
+    }
+
+    upgrader = Rails::Upgrading::RoutesUpgrader.new
+    upgrader.routes_code = routes_code
+    assert_equal new_routes_code, upgrader.generate_new_routes
+  end
 end