ykcheungab
42 lines
1.3 KiB
Python
42 lines
1.3 KiB
Python
import os
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import numpy as np
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import pytest
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@pytest.mark.slow
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def test_vnormal_longrun_no_outlier_jumps(sensor_factory, available_backends):
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preferred = os.getenv("ORISYS_LONGRUN_BACKEND", "cupy")
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backend = preferred if preferred in available_backends else "cpu"
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frames = int(os.getenv("ORISYS_LONGRUN_FRAMES", "1200"))
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ratio_limit = float(os.getenv("ORISYS_LONGRUN_MAX_P99_P95_RATIO", "6.0"))
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sensor = sensor_factory(backend=backend)
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deltas = []
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prev = None
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try:
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for _ in range(frames):
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img = sensor.get_img()
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assert img is not None
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sensor.compute_deformation(check_motion=False)
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(vnormal,) = sensor.read_info(sensor.info.VNORMAL)
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assert np.isfinite(vnormal).all()
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if prev is not None:
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deltas.append(float(np.mean(np.abs(vnormal - prev))))
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prev = vnormal.copy()
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finally:
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sensor.disconnect()
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if len(deltas) < 30:
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pytest.skip("Not enough frames to evaluate stability.")
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p95 = float(np.percentile(deltas, 95))
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p99 = float(np.percentile(deltas, 99))
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ratio = p99 / (p95 + 1e-9)
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assert ratio < ratio_limit, (
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f"Long-run jump risk detected on {backend}: p99/p95={ratio:.3f} "
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f"(limit={ratio_limit})."
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)
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