text: import pytest
  
  import sys, os
  sys.path.append(os.path.realpath(os.path.dirname(__file__)+"/.."))
  
  import numpy as np
  
  
  # from psm.cellulose import sensor as cs
  
  def test_cellulose():
      pass
  
       
  # t = np.linspace(0,100)
  # T = 100
  # P = 5
  # RH = 80
  # d18Os = 1
  # d18Op = 0.6
  # d18Ov = 0.1
  
  
  # def test_cellulose_sensor_default_initialize():
      
  #     sensor = cs.CelluloseSensor(t, T, P, RH, d18Os, d18Op, d18Ov)
  
  #     # here we just want to check that it initializes with the defaults.
  #     pass
  
  
  # def test_cellulose_sensor_run_with_defaults():
      
  #     sensor = cs.CelluloseSensor(t, T, P, RH, d18Os, d18Op, d18Ov)
  
  #     sensor.run_sensor()
  
  #     assert not np.isnan(sensor.dcell)
  
  
  # def test_cellulose_sensor_run_with_model_options():
      
  #     sensor1 = cs.CelluloseSensor(t, T, P, RH, d18Os, d18Op, d18Ov, model_flag='roden')
  #     sensor2 = cs.CelluloseSensor(t, T, P, RH, d18Os, d18Op, d18Ov, model_flag='evans')
  
  #     sensor1.run_sensor()
  #     sensor2.run_sensor()
  
  #     assert not np.isnan(sensor1.dcell)
  #     assert not np.isnan(sensor2.dcell)
  
  
  # def test_cellulose_sensor_run_model_option_capital_letters():
      
  
  #     sensor1 = cs.CelluloseSensor(t, T, P, RH, d18Os, d18Op, d18Ov, model_flag='roden')
  #     sensor2 = cs.CelluloseSensor(t, T, P, RH, d18Os, d18Op, d18Ov, model_flag='evans')
  
  #     sensor3 = cs.CelluloseSensor(t, T, P, RH, d18Os, d18Op, d18Ov, model_flag='Roden')
  #     sensor4 = cs.CelluloseSensor(t, T, P, RH, d18Os, d18Op, d18Ov, model_flag='EvAnS')
  
  #     sensor1.run_sensor()
  #     sensor2.run_sensor()
  #     sensor3.run_sensor()
  #     sensor4.run_sensor()
  
  #     assert sensor1.dcell == sensor3.dcell
  #     assert sensor2.dcell == sensor4.dcell
  
  # def test_cellulose_sensor_change_run_roden():
      
  #     sensor1 = cs.CelluloseSensor(t, T, P, RH, d18Os, d18Op, d18Ov, model_flag='roden')
  
  #     newval = 100000
  #     sensor1.set_RH(newval)
  
  #     assert sensor1._model.RH == newval
  #     assert sensor1._model.RH == sensor1._RH
  
  #     sensor1.run_sensor()
  
  #     assert not np.isnan(sensor1.dcell)
  
  
  
  
  # # this is of course not an exhaustive list of tests, you should test all sorts
  # # of things, including realistic scenarios, and making sure answers are
  # # realistic.
  