Make optimized named routes respect all reserved options and tie it into UrlRewriter::RESERVED_OPTIONS so it's DRY

Signed-off-by: Michael Koziarski <michael@koziarski.com>

actionpack/lib/action_controller/routing/optimisations.rb

@@ -106,12 +106,8 @@ module ActionController
       # argument
       class PositionalArgumentsWithAdditionalParams < PositionalArguments
         def guard_conditions
-          [
-            "args.size == #{route.segment_keys.size + 1}",
-            "!args.last.has_key?(:anchor)",
-            "!args.last.has_key?(:port)",
-            "!args.last.has_key?(:host)"
-          ]
+          ["args.size == #{route.segment_keys.size + 1}"] +
+          UrlRewriter::RESERVED_OPTIONS.collect{ |key| "!args.last.has_key?(:#{key})" }
         end
 
         # This case uses almost the same code as positional arguments,

actionpack/lib/action_controller/routing/route_set.rb

@@ -168,6 +168,7 @@ module ActionController
             #
             @module.module_eval <<-end_eval # We use module_eval to avoid leaks
               def #{selector}(*args)
+
                 #{generate_optimisation_block(route, kind)}
 
                 opts = if args.empty? || Hash === args.first

actionpack/test/controller/routing_test.rb

@@ -706,12 +706,13 @@ uses_mocha 'LegacyRouteSet, Route, RouteSet and RouteLoading' do
       port        = options.delete(:port) || 80
       port_string = port == 80 ? '' : ":#{port}"
 
-      host   = options.delete(:host) || "named.route.test"
-      anchor = "##{options.delete(:anchor)}" if options.key?(:anchor)
+      protocol = options.delete(:protocol) || "http"
+      host     = options.delete(:host) || "named.route.test"
+      anchor   = "##{options.delete(:anchor)}" if options.key?(:anchor)
 
       path = routes.generate(options)
 
-      only_path ? "#{path}#{anchor}" : "http://#{host}#{port_string}#{path}#{anchor}"
+      only_path ? "#{path}#{anchor}" : "#{protocol}://#{host}#{port_string}#{path}#{anchor}"
     end
 
     def request
@@ -1726,6 +1727,11 @@ uses_mocha 'LegacyRouteSet, Route, RouteSet and RouteLoading' do
       assert_equal "http://some.example.com/people/5", controller.send(:show_url, 5, :host=>"some.example.com")
     end
 
+    def test_named_route_url_method_with_protocol
+      controller = setup_named_route_test
+      assert_equal "https://named.route.test/people/5", controller.send(:show_url, 5, :protocol => "https")
+    end
+
     def test_named_route_url_method_with_ordered_parameters
       controller = setup_named_route_test
       assert_equal "http://named.route.test/people/go/7/hello/joe/5",