cara/caimira/tests/test_predefined_distributions.py
2023-12-14 15:34:08 +01:00

45 lines
1.6 KiB
Python

import numpy as np
import numpy.testing as npt
import pytest
from caimira.monte_carlo.data import activity_distributions, virus_distributions
from caimira.store import data_registry
# Mean & std deviations from https://doi.org/10.1101/2021.10.14.21264988 (Table 3)
# 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(data_registry, distribution, mean, std):
activity = activity_distributions(data_registry)[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 https://doi.org/10.1101/2021.10.14.21264988 (Table 3)
# - with a refined precision on the values
@pytest.mark.parametrize(
"distribution, mean, std",[
['SARS_CoV_2', 6.22, 1.80],
['SARS_CoV_2_ALPHA', 6.22, 1.80],
['SARS_CoV_2_GAMMA', 6.22, 1.80],
]
)
def test_viral_load_logdistribution(data_registry, distribution, mean, std):
virus = virus_distributions(data_registry)[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)