lib/pupa/errors.rb in pupa-0.0.13 vs lib/pupa/errors.rb in pupa-0.1.0

@@ -18,9 +18,13 @@
     # This error is raised when attempting to get or set a property that does
     # not exist in an object.
     class MissingAttributeError < Error; end
 
     # This error is raised when saving an object to a database if the object
+    # produces an empty selector.
+    class EmptySelectorError < Error; end
+
+    # This error is raised when saving an object to a database if the object
     # matches more than one document in the database.
     class TooManyMatches < Error; end
 
     # This error is raised if an object's foreign keys or foreign objects cannot
     # be resolved.