def test_get_npv(self):
"""Ensures correct output from get_npv; input values are non-zero."""
this_npv = model_eval.get_npv(CONTINGENCY_TABLE_THRESHOLD_HALF)
self.assertTrue(numpy.isclose(
this_npv, NPV_THRESHOLD_HALF, atol=TOLERANCE
))
def test_get_npv_all_zeros(self):
"""Ensures correct output from get_npv; input values are all zero."""
this_npv = model_eval.get_npv(CONTINGENCY_TABLE_ALL_ZEROS)
self.assertTrue(numpy.isnan(this_npv))