code: def test_encoder(self):
      self.assertEqual(
          (int, str, list), self.dispatcher.encode_args((1, "a", []))
      )
      with patch.object(self.dispatcher, "_encoder", str.upper):
          self.assertEqual(
              ("A", "B"), self.dispatcher.encode_args(("a", "b"))
          )
  
file_path: botorch/test/utils/test_dispatcher.py
imports: from __future__ import annotations
  from contextlib import redirect_stdout
  from inspect import getsource, getsourcefile
  from io import StringIO
  from itertools import product
  from unittest.mock import patch
  from botorch.utils.dispatcher import Dispatcher, MDNotImplementedError
  from botorch.utils.testing import BotorchTestCase
label_desc: Use image node_id 2 for calling the TestDispatcher obj's underlying member method code with example usage: obj.test_encoder() without return types