Make deep clone of default property values

lib/couchrest/model/property.rb

@@ -58,8 +58,8 @@ module CouchRest::Model
       if default.class == Proc
         default.call
       else
-        # Marshal.load(Marshal.dump(default)) # Removed as there are no failing tests and caused mutex errors
-        default
+        # TODO identify cause of mutex errors
+        Marshal.load(Marshal.dump(default))
       end
     end
 

spec/couchrest/base_spec.rb

@@ -185,6 +185,14 @@ describe "Model Base" do
       obj.preset = 'test'
     end
 
+    it "should keep default values for new instances" do
+      obj = WithDefaultValues.new
+      obj.preset[:alpha] = 123
+      obj.preset.should == {:right => 10, :top_align => false, :alpha => 123}
+      another = WithDefaultValues.new
+      another.preset.should == {:right => 10, :top_align => false}
+    end
+    
     it "should work with a default empty array" do
       obj = WithDefaultValues.new(:tags => ['spec'])
       obj.tags.should == ['spec']