39 lines
1.6 KiB
Python
39 lines
1.6 KiB
Python
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# ============================================================
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# SC-06 敏感性分析黄金测试
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# ============================================================
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from __future__ import annotations
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import json
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from server.aps_domain.sensitivity import run_sensitivity
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from server.state.seed import seed_world
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def test_sensitivity_does_not_mutate_world():
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world = seed_world()
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before = json.dumps(world, ensure_ascii=False, sort_keys=True)
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report = run_sensitivity(world, strategy="COMPREHENSIVE")
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after = json.dumps(world, ensure_ascii=False, sort_keys=True)
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assert before == after
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assert report["baseline"]["poCount"] >= 1
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assert len(report["rows"]) >= 4
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assert report["rows"][0]["swing"] >= report["rows"][-1]["swing"]
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assert "Tornado" in report["markdown"]
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def test_sensitivity_buffer_affects_tardiness_direction():
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"""更紧的交期缓冲（0.85）相对 1.0 不应减少延期（通常升高或持平）。"""
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world = seed_world()
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report = run_sensitivity(world, strategy="COMPREHENSIVE")
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buf = next(r for r in report["rows"] if r["factorId"] == "deliveryBufferRatio")
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# low=0.85（更紧）, high=1.00（更松）
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assert buf["low"]["tardiness"] >= buf["high"]["tardiness"] - 1e-6
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def test_sensitivity_efficiency_low_worsens_or_equals():
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world = seed_world()
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report = run_sensitivity(world, strategy="FIFO")
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eff = next(r for r in report["rows"] if r["factorId"] == "lineEfficiency")
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# 效率×0.8 相对 ×1.2：延期不应更低
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assert eff["low"]["tardiness"] >= eff["high"]["tardiness"] - 1e-6
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