old_contents: import pytest
  import numpy as np
  #from .. import pyrho
  #from pyrho import utilities
  from pyrho.utilities import *
  from pyrho.utilities import texIt
  
  
  def test_tex_it():
      assert texIt(r'\phi_\lambda') == r'$\phi_\lambda$'
      assert texIt(r'\phi_0') == r'$\phi_0$'
  
  
  def test_calc_v1():
      assert np.isclose(calcV1(E=50, v0=-2.5), -120)
      # == (-70-50)/(1-np.exp(-(-70-50)/-2.5))
  
  
  def test_get_index_list_None():
      assert getIndex([3.14, 7, None], None) == 2
  
  
  def test_get_index_list_float():
      assert getIndex([5, 3.14, 7], 3.14) == 1
  
  
  def test_get_index_array_float():
      assert getIndex(np.array([5, 3.14, 7]), 3.14) == 1
  
  
  def test_flux2irrad():
      assert np.isclose(flux2irrad(1e16, 540), 3.678603)
  
  
  def test_irrad2flux():
      assert np.isclose(irrad2flux(7.5, 650), 2.454132e16)
  
  
  def test_times_to_cycles():
      times = [[25, 30], [50, 150]]
      t_end = 200
      cycles, Dt_delay = times2cycles(times, t_end)
      assert np.allclose(cycles, [[5,  20], [100,  50]])
      assert Dt_delay == 25
  
  
  def test_cycles_to_times():
      cycles = [[50, 200], [150, 25]]
      Dt_delay = 50
      times, t_end = cycles2times(cycles, Dt_delay)
      assert np.allclose(times, [[50, 100], [300, 450]])
      assert t_end == 475
  
  
  def test_round_sig_3():
      assert np.isclose(round_sig(8.348925e12, n=3), 8.35e12)
  
new_contents: # import pytest
  import numpy as np
  #from .. import pyrho
  #from pyrho import utilities
  from pyrho.utilities import (texIt, calcV1, getIndex, flux2irrad, irrad2flux,
                              times2cycles, cycles2times, round_sig)
  
  
  def test_tex_it():
      assert texIt(r'\phi_\lambda') == r'$\phi_\lambda$'
      assert texIt(r'\phi_0') == r'$\phi_0$'
  
  
  def test_calc_v1():
      assert np.isclose(calcV1(E=50, v0=-2.5), -120)
      # == (-70-50)/(1-np.exp(-(-70-50)/-2.5))
  
  
  def test_get_index_list_None():
      assert getIndex([3.14, 7, None], None) == 2
  
  
  def test_get_index_list_float():
      assert getIndex([5, 3.14, 7], 3.14) == 1
  
  
  def test_get_index_array_float():
      assert getIndex(np.array([5, 3.14, 7]), 3.14) == 1
  
  
  def test_flux2irrad():
      assert np.isclose(flux2irrad(1e16, 540), 3.678603)
  
  
  def test_irrad2flux():
      assert np.isclose(irrad2flux(7.5, 650), 2.454132e16)
  
  
  def test_times_to_cycles():
      times = [[25, 30], [50, 150]]
      t_end = 200
      cycles, Dt_delay = times2cycles(times, t_end)
      assert np.allclose(cycles, [[5,  20], [100,  50]])
      assert Dt_delay == 25
  
  
  def test_cycles_to_times():
      cycles = [[50, 200], [150, 25]]
      Dt_delay = 50
      times, t_end = cycles2times(cycles, Dt_delay)
      assert np.allclose(times, [[50, 100], [300, 450]])
      assert t_end == 475
  
  
  def test_round_sig_3():
      assert np.isclose(round_sig(8.348925e12, n=3), 8.35e12)
  
subject: Tidy imports