lib/cucumber/wire_support/wire_packet.rb in cucumber-0.5.2 vs lib/cucumber/wire_support/wire_packet.rb in cucumber-0.5.3

@@ -12,15 +12,17 @@
         end
       end
       
       attr_reader :message, :params
       
-      def initialize(message, params)
+      def initialize(message, params = nil)
         @message, @params = message, params
       end
       
       def to_json
-        [@message, @params].to_json
+        packet = [@message]
+        packet << @params if @params
+        packet.to_json
       end
       
       def handle_with(handler)
         handler.send("handle_#{@message}", @params)
       end