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impakt/tests/test_protocol/test_iihs_usncap.py
2026-04-10 17:28:29 -04:00

69 lines
2.3 KiB
Python

"""Tests for IIHS and US NCAP scoring."""
import pytest
from impakt.criteria.base import CriterionResult
from impakt.protocol.iihs import IIHS, evaluate as iihs_evaluate
from impakt.protocol.us_ncap import USNCAP, evaluate as us_evaluate
@pytest.fixture
def sample_criteria():
return {
"HIC15": CriterionResult(criterion="HIC15", value=400, body_region="Head"),
"Nij": CriterionResult(criterion="Nij", value=0.4, body_region="Neck"),
"Chest Deflection": CriterionResult(
criterion="Chest Deflection", value=35, unit="mm", body_region="Chest"
),
"Femur Load Left": CriterionResult(
criterion="Femur Load Left", value=4.0, unit="kN", body_region="Femur Left"
),
"Femur Load Right": CriterionResult(
criterion="Femur Load Right", value=4.5, unit="kN", body_region="Femur Right"
),
}
class TestIIHS:
def test_good_results(self, sample_criteria):
result = iihs_evaluate(sample_criteria)
assert result.protocol == "IIHS"
assert result.overall_rating in ("GOOD", "ACCEPTABLE", "MARGINAL", "POOR")
def test_region_scores(self, sample_criteria):
result = iihs_evaluate(sample_criteria)
assert len(result.region_scores) > 0
for rs in result.region_scores:
assert rs.rating is not None
def test_poor_hic(self):
result = iihs_evaluate(
{
"HIC15": CriterionResult(criterion="HIC15", value=1500, body_region="Head"),
}
)
assert result.overall_rating == "POOR"
def test_summary(self, sample_criteria):
result = iihs_evaluate(sample_criteria)
summary = result.summary()
assert "IIHS" in summary
class TestUSNCAP:
def test_basic(self, sample_criteria):
result = us_evaluate(sample_criteria)
assert result.protocol == "US NCAP"
assert result.stars is not None
assert 1 <= result.stars <= 5
def test_injury_probabilities(self, sample_criteria):
result = us_evaluate(sample_criteria)
assert "combined_injury_probability" in result.details
p = result.details["combined_injury_probability"]
assert 0.0 <= p <= 1.0
def test_region_scores(self, sample_criteria):
result = us_evaluate(sample_criteria)
assert len(result.region_scores) > 0