text: from unittest.mock import MagicMock
  from aas_timeseries.data import Data
  from aas_timeseries.layers import Markers
  
  
  def test_tooltip_options():
  
      fig = MagicMock()
      time_series = MagicMock()
      time_series.colnames = ['the_time', 'the_flux', 'the_other']
      data = Data(time_series)
  
      marker = Markers(parent=fig)
      marker.data = data
      marker.time_column = 'the_time'
      marker.column = 'the_flux'
  
      tooltip = marker.to_vega()[0]['encode']['hover']['tooltip']
      assert tooltip == {'signal': "{'the_time': datum.the_time, 'the_flux': datum.the_flux}"}
  
      marker.tooltip = False
  
      assert 'hover' not in marker.to_vega()[0]['encode']
  
      marker.tooltip = ('the_time', 'the_other')
      tooltip = marker.to_vega()[0]['encode']['hover']['tooltip']
      assert tooltip == {'signal': "{'the_time': datum.the_time, 'the_other': datum.the_other}"}
  
      marker.tooltip = ['the_flux']
      tooltip = marker.to_vega()[0]['encode']['hover']['tooltip']
      assert tooltip == {'signal': "{'the_flux': datum.the_flux}"}
  
      marker.tooltip = {'the_time': 'Time', 'the_flux': 'Flux'}
      tooltip = marker.to_vega()[0]['encode']['hover']['tooltip']
      assert tooltip == {'signal': "{'Time': datum.the_time, 'Flux': datum.the_flux}"}
  