65 lines
2.2 KiB
Python
65 lines
2.2 KiB
Python
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from pathlib import Path
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import importlib.util
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import json
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import subprocess
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import sys
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import pytest
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import yaml
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HERE = Path(__file__).resolve().parent
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spec = importlib.util.spec_from_file_location("wood_stud_column_calc", HERE / "calc.py")
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assert spec is not None and spec.loader is not None
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module = importlib.util.module_from_spec(spec)
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spec.loader.exec_module(module)
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def result():
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with (HERE / "input.yaml").open(encoding="utf-8") as handle:
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return module.compute(yaml.safe_load(handle))
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def test_typst_loads_match_checked_inputs():
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subprocess.run([sys.executable, str(HERE / "calc.py")], check=True, cwd=HERE.parents[1])
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query = subprocess.run(
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[
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"typst", "eval", "query(<wood-stud-column-loads>)", "--root", ".",
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"--in", "calcs/wood-stud-column/beam.typ", "--format", "json",
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],
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check=True,
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capture_output=True,
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text=True,
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cwd=HERE.parents[1],
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)
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published = json.loads(query.stdout)
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assert len(published) == 1
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derived = published[0]["value"]
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values = result()["values"]
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assert derived["P_lbf"] == pytest.approx(values["P_lbf"], abs=0.001)
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assert derived["A_in2"] == pytest.approx(values["A_in2"], abs=0.001)
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def test_ground_truth_column_stability():
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output = result()
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values = output["values"]
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assert values["A_in2"] == pytest.approx(5.25)
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assert values["Le_in"] == pytest.approx(72.0)
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assert values["Le_d_weak"] == pytest.approx(48.0, abs=0.01)
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assert values["FcE_weak_psi"] == pytest.approx(181.9, abs=0.5)
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assert values["Cp_weak"] == pytest.approx(0.107, abs=0.003)
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assert values["Cp_strong"] == pytest.approx(0.497, abs=0.005)
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assert values["Fc_prime_psi"] == pytest.approx(177.6, abs=0.5)
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assert values["Pa_lbf"] == pytest.approx(932.0, abs=3.0)
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assert output["checks"]["axial"]["ok"] is True
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def test_cli_can_write_json_to_stdout():
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completed = subprocess.run(
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[sys.executable, str(HERE / "calc.py"), "--input", str(HERE / "input.yaml"), "--stdout"],
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check=True,
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capture_output=True,
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text=True,
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)
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output = json.loads(completed.stdout)
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assert output["values"]["P_lbf"] == pytest.approx(400)
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assert completed.stderr == ""
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