lib/transitions/machine.rb in transitions-0.1.3 vs lib/transitions/machine.rb in transitions-0.1.4

@@ -97,10 +97,12 @@
     end
 
     def include_scopes
       @states.each do |state|
         state_name = state.name.to_s
-        raise InvalidMethodOverride if @klass.respond_to?(state_name)
+        if @klass.respond_to?(state_name)
+          raise InvalidMethodOverride, "Transitions: Can not define scope `#{state_name}` because there is already an equally named method defined - either rename the existing method or the state."
+        end
         @klass.scope state_name, @klass.where(:state => state_name)
       end
     end
   end
 end