Routes may be restricted to lists of HTTP methods instead of a single method or :any.

[#407 state:resolved]

Signed-off-by: Jeremy Kemper <jeremy@bitsweat.net>

actionpack/CHANGELOG

@@ -1,5 +1,9 @@
 *Edge*
 
+* Routes may be restricted to lists of HTTP methods instead of a single method or :any.  #407 [Brennan Dunn, Gaius Centus Novus]
+    map.resource :posts, :collection => { :search => [:get, :post] }
+    map.session 'session', :requirements => { :method => [:get, :post, :delete] }
+
 * Deprecated implicit local assignments when rendering partials [Josh Peek]
 
 * Introduce current_cycle helper method to return the current value without bumping the cycle.  #417 [Ken Collins]

actionpack/lib/action_controller/routing/builder.rb

@@ -187,12 +187,14 @@ module ActionController
       private
         def validate_route_conditions(conditions)
           if method = conditions[:method]
-            if method == :head
-              raise ArgumentError, "HTTP method HEAD is invalid in route conditions. Rails processes HEAD requests the same as GETs, returning just the response headers"
-            end
+            [method].flatten.each do |m|
+              if m == :head
+                raise ArgumentError, "HTTP method HEAD is invalid in route conditions. Rails processes HEAD requests the same as GETs, returning just the response headers"
+              end
 
-            unless HTTP_METHODS.include?(method.to_sym)
-              raise ArgumentError, "Invalid HTTP method specified in route conditions: #{conditions.inspect}"
+              unless HTTP_METHODS.include?(m.to_sym)
+                raise ArgumentError, "Invalid HTTP method specified in route conditions: #{conditions.inspect}"
+              end
             end
           end
         end

actionpack/lib/action_controller/routing/route.rb

@@ -201,7 +201,7 @@ module ActionController
         # recognition, not generation.
         def recognition_conditions
           result = ["(match = #{Regexp.new(recognition_pattern).inspect}.match(path))"]
-          result << "conditions[:method] === env[:method]" if conditions[:method]
+          result << "[conditions[:method]].flatten.include?(env[:method])" if conditions[:method]
           result
         end
 

actionpack/test/controller/routing_test.rb

@@ -1297,6 +1297,31 @@ uses_mocha 'LegacyRouteSet, Route, RouteSet and RouteLoading' do
       end
     end
 
+    def test_recognize_array_of_methods
+      begin
+        Object.const_set(:BooksController, Class.new(ActionController::Base))
+        rs.draw do |r|
+          r.connect '/match', :controller => 'books', :action => 'get_or_post', :conditions => { :method => [:get, :post] }
+          r.connect '/match', :controller => 'books', :action => 'not_get_or_post'
+        end
+
+        @request = ActionController::TestRequest.new
+        @request.env["REQUEST_METHOD"] = 'POST'
+        @request.request_uri = "/match"
+        assert_nothing_raised { rs.recognize(@request) }
+        assert_equal 'get_or_post', @request.path_parameters[:action]
+
+        # have to recreate or else the RouteSet uses a cached version:
+        @request = ActionController::TestRequest.new
+        @request.env["REQUEST_METHOD"] = 'PUT'
+        @request.request_uri = "/match"
+        assert_nothing_raised { rs.recognize(@request) }
+        assert_equal 'not_get_or_post', @request.path_parameters[:action]
+        ensure
+          Object.send(:remove_const, :BooksController) rescue nil
+        end
+      end
+
     def test_subpath_recognized
       Object.const_set(:SubpathBooksController, Class.new(ActionController::Base))