new_contents: from __future__ import absolute_import
  
  from nydus.db.backends.base import BaseConnection
  from mock import patch
  from mock import Mock
  
  import unittest2
  
  
  class TestBaseConnection(unittest2.TestCase):
      def test_getattr_break_recursion(self):
  
          with patch.object(BaseConnection, 'connection') as mock_connection:
              b = BaseConnection(0)
              mock_connection.__get__ = Mock(return_value=b)
  
              with self.assertRaises(AttributeError):
                  print b.foo
  
subject: test for breaking recursion