def test_create_cdf(self):
values = [0.01, 0.3, 0.58, 0.1, 0.01]
self.assertListAlmostEqual(create_cdf(values), [0.01, 0.31, 0.89, 0.99, 1])
def test_create_cdf_bad_probabilities(self):
values = [0.2]
with self.assertRaises(InvalidProbabilityTotalException):
create_cdf(values)
