calcs/concrete-beam/test_concrete_beam.py
smillmorel d5ac3fca7e Add structural calculation worksheets
Collection of engineering calculation projects (Python + Typst), each with
input, calc script, tests, results, and generated PDF where available.
2026-09-21 12:19:20 -04:00

46 lines
1.4 KiB
Python

from pathlib import Path
import importlib.util
import pytest
HERE = Path(__file__).resolve().parent
spec = importlib.util.spec_from_file_location("concrete_beam_calc", HERE / "calc.py")
assert spec is not None and spec.loader is not None
calc_module = importlib.util.module_from_spec(spec)
spec.loader.exec_module(calc_module)
compute = calc_module.compute
@pytest.fixture
def result():
import yaml
with (HERE / "input.yaml").open(encoding="utf-8") as handle:
return compute(yaml.safe_load(handle))
def test_example_demands(result):
v = result["values"]
assert v["self_weight_klf"] == pytest.approx(0.1)
assert v["wu_klf"] == pytest.approx(0.7325)
assert v["Mu_kipft"] == pytest.approx(23.44)
assert v["Vu_kip"] == pytest.approx(5.86)
def test_example_flexure(result):
v = result["values"]
assert v["a_in"] == pytest.approx(1.823529, rel=1e-5)
assert v["et"] == pytest.approx(0.010283, rel=1e-3)
assert v["phi"] == pytest.approx(0.9)
assert v["phiMn_kipft"] == pytest.approx(23.961176, rel=1e-5)
assert result["checks"]["flexure"]["ok"] is True
def test_example_min_steel_and_shear(result):
v = result["values"]
assert v["As_min_in2"] == pytest.approx(0.253333, rel=1e-4)
assert v["phiVc_kip"] == pytest.approx(6.244016, rel=1e-4)
assert result["checks"]["minimum_steel"]["ok"] is True
assert result["checks"]["shear"]["ok"] is True