text: async def test_on_open(monkeypatch, async_junos_driver):
      _input_counter = 0
  
      async def _get_prompt(cls):
          return "scrapli>"
  
      async def _send_input(cls, channel_input, **kwargs):
          nonlocal _input_counter
  
          if _input_counter == 0:
              assert channel_input == "set cli screen-length 0"
          elif _input_counter == 1:
              assert channel_input == "set cli screen-width 511"
          else:
              assert channel_input == "set cli complete-on-space off"
  
          _input_counter += 1
  
          return b"", b""
  
      monkeypatch.setattr("scrapli.channel.async_channel.AsyncChannel.get_prompt", _get_prompt)
      monkeypatch.setattr("scrapli.channel.async_channel.AsyncChannel.send_input", _send_input)
  
      async_junos_driver._current_priv_level = async_junos_driver.privilege_levels["exec"]
      await async_junos_driver.on_open(async_junos_driver)
  
  
  async def test_on_close(monkeypatch, async_junos_driver):
      async def _get_prompt(cls):
          return "scrapli>"
  
      def _write(cls, channel_input, **kwargs):
          assert channel_input == "exit"
  
      def _send_return(cls):
          pass
  
      monkeypatch.setattr("scrapli.channel.async_channel.AsyncChannel.get_prompt", _get_prompt)
      monkeypatch.setattr("scrapli.channel.async_channel.AsyncChannel.write", _write)
      monkeypatch.setattr("scrapli.channel.async_channel.AsyncChannel.send_return", _send_return)
  
      async_junos_driver._current_priv_level = async_junos_driver.privilege_levels["exec"]
      await async_junos_driver.on_close(async_junos_driver)
  