old_contents: #!/usr/bin/env python
  # -*- coding: utf-8 -*-
  
  ##
  # hack for loading modules
  #
  import _path
  _path.fix()
  
  ##
  # python standard library
  #
  from functools import partial
  import unittest
  
  ##
  # pygrapes modules
  #
  from pygrapes.serializer import Base
  
  
  class BaseSerializerTestCase(unittest.TestCase):
  
      def test_method_dumps_exists(self):
          self.assertTrue(hasattr(Base(), 'dumps'))
  
      def test_method_dumps_expects_one_arg(self):
          self.assertRaises(TypeError, Base().dumps)
  
      def test_dumps_method_must_be_implemented(self):
          self.assertRaises(NotImplementedError, partial(Base().dumps, 1))
  
      def test_method_loads_exists(self):
          self.assertTrue(hasattr(Base(), 'loads'))
  
      def test_method_loads_expects_one_arg(self):
          self.assertRaises(TypeError, Base().loads)
  
      def test_loads_method_must_be_implemented(self):
          self.assertRaises(NotImplementedError, partial(Base().loads, 1))
  
  
  if "__main__" == __name__:
      unittest.main()
  
new_contents: #!/usr/bin/env python
  # -*- coding: utf-8 -*-
  
  ##
  # hack for loading modules
  #
  import _path
  _path.fix()
  
  ##
  # python standard library
  #
  from functools import partial
  import unittest
  
  ##
  # pygrapes modules
  #
  from pygrapes.serializer.abstract import Abstract
  
  
  class AbstractSerializerTestCase(unittest.TestCase):
  
      def test_method_dumps_exists(self):
          self.assertTrue(hasattr(Abstract(), 'dumps'))
  
      def test_method_dumps_expects_one_arg(self):
          self.assertRaises(TypeError, Abstract().dumps)
  
      def test_dumps_method_must_be_implemented(self):
          self.assertRaises(NotImplementedError, partial(Abstract().dumps, 1))
  
      def test_method_loads_exists(self):
          self.assertTrue(hasattr(Abstract(), 'loads'))
  
      def test_method_loads_expects_one_arg(self):
          self.assertRaises(TypeError, Abstract().loads)
  
      def test_loads_method_must_be_implemented(self):
          self.assertRaises(NotImplementedError, partial(Abstract().loads, 1))
  
  
  if "__main__" == __name__:
      unittest.main()
  
subject: Use abstract.Abstract instead of Base alias when testing pygrapes.serializer.abstract.Abstract class