def test_create_index_interface_factory_method_with_empty_hosts(self):
     interface = create_index_interface()
 def test_create_index_interface_factory_method_with_no_index(self):
     interface = create_index_interface()
 def test_index_interface_factory_method_failed_without_required_info(self):
     interface = create_index_interface()
 def test_index_interface_factory_method_failed_with_no_hosts(self):
     interface = create_index_interface()
 def test_create_index_interface_factory_method_with_valid_arguments(self):
     interface = create_index_interface()
     self.assertIsInstance(interface, IndexInterface)
     self.assertEqual(interface._default_index, "index_name")