fixing error on protected sanitize_sql - closes #111

lib/cancan/query.rb

@@ -71,7 +71,7 @@ module CanCan
     end
 
     def sanitize_sql(conditions)
-      @sanitizer.sanitize_sql(conditions)
+      @sanitizer.send(:sanitize_sql, conditions)
     end
 
     # Takes two hashes and does a deep merge.

spec/spec_helper.rb

@@ -19,9 +19,12 @@ class Ability
   end
 end
 
-# this class helps out in testing nesting and SQL conditions
+# this class helps out in testing SQL conditions
 class Person
-  def self.sanitize_sql(hash_cond)
+  class << self
+    protected
+
+    def sanitize_sql(hash_cond)
       case hash_cond
       when Hash
         sanitize_hash(hash_cond).join(' AND ')
@@ -31,7 +34,7 @@ class Person
       end
     end
 
-  def self.sanitize_hash(hash)
+    def sanitize_hash(hash)
       hash.map do |name, value|
         if Hash === value
           sanitize_hash(value).map{|cond| "#{name}.#{cond}"}
@@ -40,4 +43,5 @@ class Person
         end
       end.flatten
     end
+  end
 end