code: def test_protocol(self):
      f = mock.Mock()
      p = asyncio.Protocol()
      self.assertIsNone(p.connection_made(f))
      self.assertIsNone(p.connection_lost(f))
      self.assertIsNone(p.data_received(f))
      self.assertIsNone(p.eof_received())
      self.assertIsNone(p.pause_writing())
      self.assertIsNone(p.resume_writing())
      self.assertFalse(hasattr(p, "__dict__"))
  
file_path: cpython/Lib/test/test_asyncio/test_protocols.py
imports: import unittest
  from unittest import mock
  import asyncio
label_desc: Use image node_id 2 for calling the ProtocolsAbsTests obj's underlying member method code with example usage: obj.test_protocol() without return types