text: import logging
  
  import pytest
  from ophyd.sim import make_fake_device
  
  from ..spectrometer import Kmono, VonHamos4Crystal, VonHamosFE, VonHamosFER
  
  logger = logging.getLogger(__name__)
  
  
  @pytest.mark.timeout(5)
  def test_vh_init():
      logger.debug('test_vh_init')
      FakeVH = make_fake_device(VonHamosFE)
      FakeVH(name='test', prefix_focus='zoom', prefix_energy='buzz')
      FakeVH('TST', name='test', prefix_focus='zoom', prefix_energy='buzz')
      FakeVH = make_fake_device(VonHamosFER)
      FakeVH(name='test', prefix_focus='zoom', prefix_energy='buzz',
             prefix_rot='whirl')
      FakeVH('TST', name='test', prefix_focus='zoom', prefix_energy='buzz',
             prefix_rot='whirl')
      FakeVH = make_fake_device(VonHamos4Crystal)
      FakeVH('TST', name='test', prefix_focus='zoom', prefix_energy='buzz')
  
  
  @pytest.mark.timeout(5)
  def test_spectrometer_disconnected():
      logger.debug('test_spectrometer_disconnected')
      Kmono('TST', name='test')
      VonHamosFE('TST2', name='test2', prefix_focus='zoom', prefix_energy='buzz')
      VonHamosFER('TST3', name='test3', prefix_focus='zoom',
                  prefix_energy='buzz', prefix_rot='whirl')
      VonHamos4Crystal('TST4', name='test4', prefix_focus='zoom',
                       prefix_energy='buzz')
  