cara/cara/tests/test_predefined_distributions.py

47 lines
1.5 KiB
Python

import numpy as np
import numpy.testing as npt
import pytest
from cara.monte_carlo.data import activity_distributions, virus_distributions
# TODO: seed better the random number generators
np.random.seed(2000)
# mean & std deviations from CERN-OPEN-2021-04 (Table 4)
# NOTE: a mistake was corrected for the std deviation of the
# "Moderate exercise" case (0.37 in the report, but should be 0.34)
@pytest.mark.parametrize(
"distribution, mean, std",[
['Seated', 0.51, 0.053],
['Standing', 0.57, 0.053],
['Light activity', 1.24, 0.12],
['Moderate activity', 1.77, 0.34],
['Heavy exercise', 3.28, 0.72,],
]
)
def test_activity_distributions(distribution, mean, std):
activity = activity_distributions[distribution].build_model(size=1000000)
npt.assert_allclose(activity.inhalation_rate.mean(), mean, atol=0.01)
npt.assert_allclose(activity.inhalation_rate.std(), std, atol=0.01)
# mean & std deviations from CERN-OPEN-2021-04 (Table 4) - with a refined
# precision on the values
@pytest.mark.parametrize(
"distribution, mean, std",[
['SARS_CoV_2', 6.59, 1.74],
['SARS_CoV_2_B117', 6.59, 1.74],
['SARS_CoV_2_P1', 6.59, 1.74],
]
)
def test_viral_load_logdistribution(distribution, mean, std):
virus = virus_distributions[distribution].build_model(size=1000000)
npt.assert_allclose(np.log10(virus.viral_load_in_sputum).mean(), mean, atol=0.01)
npt.assert_allclose(np.log10(virus.viral_load_in_sputum).std(), std, atol=0.01)