fixing broken spec and minor improvements to tableized_conditions method

lib/cancan/can_definition.rb

@@ -34,22 +34,17 @@ module CanCan
       end
     end
 
-    def tableized_conditions(c=nil)
-      conditions = c || @conditions
-      if conditions
-        conditions.inject({}) do |tableized_conditions, (name, value)|
-          if value.kind_of? Hash
-            name = name.to_s.tableize.to_sym 
-            value = tableized_conditions(value)
-          end 
-        tableized_conditions[name] = value
-        tableized_conditions
+    def tableized_conditions(conditions = @conditions)
+      conditions.inject({}) do |result_hash, (name, value)|
+        if value.kind_of? Hash
+          name = name.to_s.tableize.to_sym
+          value = tableized_conditions(value)
         end
+        result_hash[name] = value
+        result_hash
       end
     end
 
-
-
     def only_block?
       conditions_empty? && !@block.nil?
     end

spec/cancan/active_record_additions_spec.rb

@@ -31,8 +31,8 @@ describe CanCan::ActiveRecordAdditions do
     @ability.can :read, @model_class, :too => {:car => 1, :far => {:bar => 1}}
 
     condition_variants = [
-        '(toos.far.bar=1 AND toos.car=1) OR (foos.bar=1)', # faked sql sanitizer is stupid ;-)
-        '(toos.car=1 AND toos.far.bar=1) OR (foos.bar=1)'
+        '(toos.fars.bar=1 AND toos.car=1) OR (foos.bar=1)', # faked sql sanitizer is stupid ;-)
+        '(toos.car=1 AND toos.fars.bar=1) OR (foos.bar=1)'
     ]
     joins_variants = [
         [:foo, {:too => [:far]}],

spec/cancan/can_definition_spec.rb

@@ -30,11 +30,13 @@ describe CanCan::CanDefinition do
     @conditions[:foo] = {:bar => {1 => 2}}
     @can.associations_hash.should == {:foo => {:bar => {}}}
   end
+
   it "should tableize correctly for absurdly complex permissions" do
     @conditions[:unit] = {:property=>{:landlord=>{:weasle_id=>560}}}
     @conditions[:test] = 1
     @can.tableized_conditions.should == {:units => {:properties => {:landlords=>{:weasle_id=>560}}}, :test => 1}
   end
+
   it "should tableize correctly for complex permissions" do
     @conditions[:unit] = {:property=>{:landlord_id=>560}}
     @conditions[:test] = 1