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19f5313 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 | import copy
import json
import unittest
from pathlib import Path
from run_eval import diagnose_failure
from src.solver_bridge import TrussSolver
class DiagnoseFailureSelfTest(unittest.TestCase):
@classmethod
def setUpClass(cls):
model_path = Path("data/raw_models/frame_010.json")
with model_path.open("r", encoding="utf-8") as f:
cls.gt_model = json.load(f)
cls.solver = TrussSolver("bin/framecalc.wasm")
def _run_case(self, mutate_fn):
candidate = copy.deepcopy(self.gt_model)
mutate_fn(candidate)
partial, msg = diagnose_failure(self.solver, candidate, self.gt_model)
return partial, msg
def test_supports_rotate_90_should_be_025(self):
def mutate(m):
# Rotate all support directions by +90 degrees.
for s in m["supports"]:
s["angleDeg"] = (float(s.get("angleDeg", 0)) + 90.0) % 360.0
partial, msg = self._run_case(mutate)
self.assertAlmostEqual(partial, 0.25)
self.assertIn("boundary conditions", msg.lower())
def test_loads_double_should_be_075(self):
def mutate(m):
# Double all load magnitudes.
for ld in m["loads"]:
kind = ld.get("kind")
if kind == "pointLoad" and "value" in ld:
ld["value"] = float(ld["value"]) * 2
elif kind == "distributedLoad":
if "wStart" in ld:
ld["wStart"] = float(ld["wStart"]) * 2
if "wEnd" in ld:
ld["wEnd"] = float(ld["wEnd"]) * 2
elif kind == "bendingMoment" and "value" in ld:
ld["value"] = float(ld["value"]) * 2
partial, msg = self._run_case(mutate)
self.assertAlmostEqual(partial, 0.75)
self.assertIn("loads are incorrect", msg.lower())
if __name__ == "__main__":
unittest.main(verbosity=2)
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