118 lines
4.8 KiB
Python
118 lines
4.8 KiB
Python
# ============================================================
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# MD-06 换型矩阵黄金测试
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# ============================================================
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from __future__ import annotations
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from server.aps_domain.changeover import (
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build_changeover_view,
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extra_setup_minutes,
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lookup_setup_minutes,
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product_family,
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)
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from server.engines.base import EngineParams
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from server.engines.rule_engine import RuleEngine
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from server.state.seed import seed_world
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def test_seed_families_and_matrix():
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world = seed_world()
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a = next(m for m in world["materials"] if m["code"] == "CTRL-A")
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c = next(m for m in world["materials"] if m["code"] == "CTRL-C")
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assert product_family(a) == "CTRL-STD"
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assert product_family(c) == "CTRL-HF"
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assert lookup_setup_minutes(world, "CTRL-STD", "CTRL-HF") == 45
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assert lookup_setup_minutes(world, "CTRL-STD", "CTRL-STD") == 0
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assert extra_setup_minutes(world, None, "CTRL-HF") == 0
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view = build_changeover_view(world)
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assert len(view["rows"]) >= 2
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assert any(f["code"] == "CTRL-STD" for f in view["families"])
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def test_missing_pair_uses_default_cross():
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world = seed_world()
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world["changeoverMatrix"] = []
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assert lookup_setup_minutes(world, "CTRL-STD", "CTRL-HF") == 30
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def test_rule_engine_applies_changeover_on_family_switch():
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world = seed_world()
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# 强制 STD 与 HF 只能进同一条线，保证出现跨族换型
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world["lineProducts"] = [
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{"id": 1, "lineId": 1, "productId": 1, "standardCapacity": 1000, "priority": 1, "setupTime": 30},
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{"id": 2, "lineId": 1, "productId": 2, "standardCapacity": 800, "priority": 1, "setupTime": 30},
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{"id": 3, "lineId": 1, "productId": 3, "standardCapacity": 600, "priority": 1, "setupTime": 30},
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]
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engine = RuleEngine("RULE")
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counter = {"n": 1000}
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def next_id(_k: str) -> int:
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counter["n"] += 1
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return counter["n"]
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params = EngineParams(
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strategyTemplate="FIFO",
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name="changeover-test",
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constraints={"materialKit": False, "changeover": True, "capacity": True, "dueDate": True,
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"equipment": True, "personnel": True, "tooling": True, "freeze": True},
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)
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result = engine.solve(world, params, next_id)
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assert result.versionId
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version = next(v for v in world["scheduleVersions"] if v["id"] == result.versionId)
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assert version.get("totalChangeoverMin", 0) > 0
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pos = [p for p in world["productionOrders"] if p.get("schedulingVersionId") == result.versionId]
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assert any((p.get("changeoverMin") or 0) > 0 for p in pos)
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def test_changeover_constraint_off_skips_matrix():
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world = seed_world()
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engine = RuleEngine("RULE")
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counter = {"n": 2000}
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def next_id(_k: str) -> int:
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counter["n"] += 1
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return counter["n"]
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params = EngineParams(
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strategyTemplate="FIFO",
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name="no-changeover",
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constraints={"materialKit": False, "changeover": False, "capacity": True, "dueDate": True,
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"equipment": True, "personnel": True, "tooling": True, "freeze": True},
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)
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result = engine.solve(world, params, next_id)
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version = next(v for v in world["scheduleVersions"] if v["id"] == result.versionId)
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assert version.get("totalChangeoverMin", 0) == 0
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def test_changeover_min_beats_fifo_on_shared_line():
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"""SC-07：同线多族时，CHANGEOVER_MIN 累计换型不应高于 FIFO。"""
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from server.engines.base import EngineParams
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from server.engines.rule_engine import RuleEngine
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def _run(strategy: str) -> float:
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world = seed_world()
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world["lineProducts"] = [
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{"id": 1, "lineId": 1, "productId": 1, "standardCapacity": 1000, "priority": 1, "setupTime": 30},
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{"id": 2, "lineId": 1, "productId": 2, "standardCapacity": 800, "priority": 1, "setupTime": 30},
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{"id": 3, "lineId": 1, "productId": 3, "standardCapacity": 600, "priority": 1, "setupTime": 30},
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]
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counter = {"n": 3000}
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def next_id(_k: str) -> int:
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counter["n"] += 1
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return counter["n"]
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params = EngineParams(
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strategyTemplate=strategy, name=f"sc07-{strategy}",
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constraints={"materialKit": False, "changeover": True, "capacity": True, "dueDate": True,
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"equipment": True, "personnel": True, "tooling": True, "freeze": True},
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)
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result = RuleEngine("RULE").solve(world, params, next_id)
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ver = next(v for v in world["scheduleVersions"] if v["id"] == result.versionId)
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return float(ver.get("totalChangeoverMin") or 0)
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fifo_co = _run("FIFO")
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min_co = _run("CHANGEOVER_MIN")
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assert min_co <= fifo_co
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# 同线多族场景下 FIFO 通常会跨族；最小化应显著压低（允许相等）
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assert min_co < fifo_co or fifo_co == 0
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