otko/tests/integration/test_ex2a_canti2d_elastic_element.py
smill f361fee969 feat: named case-result load combinations with full GUI support
Snapshots the current development tree, headlined by proper load
combinations (user request): a reusable LoadCombination entity of
weighted completed static-case results (e.g. 1.2xDead + 1.6xLive).

- core: LoadCombination/LoadCombinationItem entities, Project
  integration (lookup, unique ids, reference validation)
- services: combinations.py (linear superposition + envelope),
  exported via services __init__
- commands: undoable Add/Delete/Update for combinations
- GUI: Load Combinations manager dialog, Run-dialog evaluation,
  envelope display in Results panel, Combinations tab in Table dock
- tests: unit coverage (validation, math, error paths) + integration
  superposition check vs a single factored run
2026-09-11 13:19:59 -04:00

74 lines
2.4 KiB
Python

"""Integration tests for OpenSees Example 2a variable-driven cantilever."""
from __future__ import annotations
import tempfile
from pathlib import Path
import pytest
pytest.importorskip("openseespy")
from otko.core import PushoverCase, TransientCase # noqa: E402
from otko.services import load_project, save_project # noqa: E402
from otko.services.opensees_runner import OpenSeesRunner # noqa: E402
pytestmark = pytest.mark.slow
def _reload(proj, tmp_path): # type: ignore[no-untyped-def]
path = tmp_path / "ex2a_canti2d_elastic_element.osmodel"
save_project(proj, path)
reloaded = load_project(path)
reloaded.validate_references()
return reloaded
def test_ex2a_canti2d_pushover_reaches_target(tmp_path) -> None: # type: ignore[no-untyped-def]
from examples.ex2a_canti2d_elastic_element import (
PUSH_STEP,
PUSH_TARGET,
build_ex2a_canti2d_elastic_element,
)
proj = _reload(build_ex2a_canti2d_elastic_element(), tmp_path)
push_case = next(c for c in proj.analyses if isinstance(c, PushoverCase))
result = OpenSeesRunner(proj).run(push_case)
expected_pts = int(PUSH_TARGET / PUSH_STEP) + 1
assert len(result.control_disp) == expected_pts
assert result.control_disp[-1] == pytest.approx(PUSH_TARGET, rel=1e-6)
assert result.base_shear[-1] > 0.0
slope_early = (result.base_shear[5] - result.base_shear[0]) / (
result.control_disp[5] - result.control_disp[0]
)
slope_late = (result.base_shear[-1] - result.base_shear[-3]) / (
result.control_disp[-1] - result.control_disp[-3]
)
assert slope_early == pytest.approx(slope_late, rel=0.02)
def test_ex2a_canti2d_earthquake_runs_and_oscillates(tmp_path) -> None: # type: ignore[no-untyped-def]
from examples.ex2a_canti2d_elastic_element import (
ANALYSIS_DT,
ANALYSIS_STEPS,
build_ex2a_canti2d_elastic_element,
)
proj = _reload(build_ex2a_canti2d_elastic_element(), tmp_path)
eq_case = next(c for c in proj.analyses if isinstance(c, TransientCase))
results_dir = Path(tempfile.mkdtemp(prefix="ex2a_canti2d_eq_"))
result = OpenSeesRunner(proj).run(eq_case, results_dir=results_dir)
time = result.time()
top = result.node_disp_history(2)
ux = top[:, 0]
uy = top[:, 1]
assert len(time) == ANALYSIS_STEPS
assert result.dt == pytest.approx(ANALYSIS_DT)
assert ux.max() > 1e-4
assert ux.min() < -1e-4
assert max(abs(uy)) < 1.0