lib/jan/validator.rb in jan-0.0.1 vs lib/jan/validator.rb in jan-0.0.2

@@ -4,11 +4,17 @@
 class Jan
   module Validator
     module_function
 
     def validate(code)
-      code = code.to_s
-      return false unless [8,13].include?(code.size)
+      validate_size(code.to_s) && validate_check_digit(code.to_s)
+    end
+
+    def validate_size(code)
+      [8,13].include?(code.to_s.size)
+    end
+
+    def validate_check_digit(code)
       Parser.check_digit(code) == CheckDigitCalculator.calculate(Parser.body(code))
     end
   end
 end