text: # coding=utf-8
  # Copyright 2018-2020 EVA
  #
  # Licensed under the Apache License, Version 2.0 (the "License");
  # you may not use this file except in compliance with the License.
  # You may obtain a copy of the License at
  #
  #     http://www.apache.org/licenses/LICENSE-2.0
  #
  # Unless required by applicable law or agreed to in writing, software
  # distributed under the License is distributed on an "AS IS" BASIS,
  # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  # See the License for the specific language governing permissions and
  # limitations under the License.
  import unittest
  import mock
  import asyncio
  
  from unittest.mock import MagicMock
  
  from eva.server.command_handler import handle_request
  
  
  class CommandHandlerTests(unittest.TestCase):
  
      def setUp(self):
          self.loop = asyncio.new_event_loop()
          self.stop_server_future = self.loop.create_future()
          asyncio.set_event_loop(None)
  
      def __init__(self, *args, **kwargs):
          super().__init__(*args, **kwargs)
  
      def test_command_handler(self):
          transport = mock.Mock()
          transport.write = MagicMock(return_value="response_message")
          request_message = "query"
  
          asyncio.run(handle_request(transport, request_message))
  