text: from ..thread_decorator import ThreadDecorator
  
  from unittest import TestCase
  
  
  class TestThreadDecorator(TestCase):
  
      thread_id = "tid-001"
      parent_id = "tid-000"
      sender_order = 1
      received_orders = {"did": 2}
  
      def test_init(self):
  
          decorator = ThreadDecorator(
              thid=self.thread_id,
              pthid=self.parent_id,
              sender_order=self.sender_order,
              received_orders=self.received_orders,
          )
          assert decorator.thid == self.thread_id
          assert decorator.pthid == self.parent_id
          assert decorator.sender_order == self.sender_order
          assert decorator.received_orders == self.received_orders
  
      def test_serialize_load(self):
  
          decorator = ThreadDecorator(
              thid=self.thread_id,
              pthid=self.parent_id,
              sender_order=self.sender_order,
              received_orders=self.received_orders,
          )
  
          dumped = decorator.serialize()
          loaded = ThreadDecorator.deserialize(dumped)
  
          assert loaded.thid == self.thread_id
          assert loaded.pthid == self.parent_id
          assert loaded.sender_order == self.sender_order
          assert loaded.received_orders == self.received_orders
  