def test_probability_ratio():
     sel = SpringShootingSelector(delta_max=1, k_spring=1)
     sel._acceptable_snapshot = True
     ratio = sel.probability_ratio(None, None, None)
     assert ratio == 1.0
     sel._acceptable_snapshot = False
     ratio = sel.probability_ratio(None, None, None)
     assert ratio == 0.0
 def test_probability_ratio():
     sel = SpringShootingSelector(delta_max=1, k_spring=1)
     sel._acceptable_snapshot = True
     # TODO OPS 2.0:  Last value here is not None to silence deprecation
     # warnings, should be set to None after the completion
     ratio = sel.probability_ratio(None, None, None, 1)
     assert ratio == 1.0
     sel._acceptable_snapshot = False
     # TODO OPS 2.0:  Last value here is not None to silence deprecation
     # warnings, should be set to None after the completion
     ratio = sel.probability_ratio(None, None, None, 1)
     assert ratio == 0.0