fixes caching error

lib/enumerated_attribute/attribute.rb

@@ -72,6 +72,7 @@ def create_enumerated_attribute(*args, &block)
           write_enumerated_attribute(config.attr_symbol, z[index > 0 ? index-1 : z.size-1])
         end
       end
+      refresh_enumerated_attributes
     end
   end
 

lib/enumerated_attribute/attribute/class_methods.rb

@@ -1,6 +1,9 @@
 module EnumeratedAttribute
   module Attribute
     module ClassMethods
+      def refresh_enumerated_attributes
+        @all_enumerated_attributes_cache = nil
+      end
       def enumerated_attributes(all=true)
         return @enumerated_attributes unless all
         return @all_enumerated_attributes_cache if @all_enumerated_attributes_cache

spec/poro_spec.rb

@@ -12,6 +12,17 @@
   end
 end
 
+describe "enumerated_attributes caching" do
+  class Impl1
+    enum_attr :enum1, %w(e1 e2)
+    enumerated_attributes
+    enum_attr :enum2, %w(e3 e4)
+  end
+  it "should have enum2 described even though enumerated_attributes cached state" do
+    obj = Impl1.new
+    lambda { obj.enum2 = :e3 }.should_not raise_exception
+  end
+end
 describe "Plural" do
 	it "should have plural accessor :boxes for :box" do
 		p=Plural.new