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Added a test for the LatinHypercubeSampler class #10

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Merged
ZedThree merged 1 commit into from
Mar 10, 2025
Merged

Added a test for the LatinHypercubeSampler class #10

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32 changes: 31 additions & 1 deletion tests/test_epyscan.py
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Original file line number Diff line number Diff line change
@@ -1,6 +1,6 @@
import epydeck

import epyscan
import numpy as np


def test_make_run_dirs(tmp_path):
Expand Down Expand Up @@ -66,6 +66,36 @@ def test_gridscan():
assert samples == expected


def test_latin_hypercube():
parameters = {
"block:var1": {"min": 1.0e1, "max": 1.0e4, "log": True},
"block:var2": {"min": 2.0, "max": 5.0},
}

lhc = epyscan.LatinHypercubeSampler(parameters)
n_samples = 5
samples = lhc.sample(n_samples)

for k, v in parameters.items():
intervals = np.linspace(v["min"], v["max"], n_samples + 1)
if v.get("log", False):
intervals = np.logspace(
np.log10(v["min"]), np.log10(v["max"]), n_samples + 1
)
samples_for_k = np.array([sample[k] for sample in samples])
interval_counts = np.array(
[
np.sum(
np.logical_and(
samples_for_k >= intervals[i], samples_for_k < intervals[i + 1]
)
)
for i in range(n_samples)
]
)
assert np.all(interval_counts == 1)


def test_campaign(tmp_path):
parameters = {
"block:var1": {"min": 1.0e1, "max": 1.0e4, "log": True},
Expand Down