text: """Test serialize/deserialize messages with buffers"""
  import os
  
  from jupyter_client.session import Session
  
  from jupyter_server.base.zmqhandlers import deserialize_binary_message
  from jupyter_server.base.zmqhandlers import serialize_binary_message
  
  
  def test_serialize_binary():
      s = Session()
      msg = s.msg("data_pub", content={"a": "b"})
      msg["buffers"] = [memoryview(os.urandom(3)) for i in range(3)]
      bmsg = serialize_binary_message(msg)
      assert isinstance(bmsg, bytes)
  
  
  def test_deserialize_binary():
      s = Session()
      msg = s.msg("data_pub", content={"a": "b"})
      msg["buffers"] = [memoryview(os.urandom(2)) for i in range(3)]
      bmsg = serialize_binary_message(msg)
      msg2 = deserialize_binary_message(bmsg)
      assert msg2 == msg
  