75 lines
2.3 KiB
Python
75 lines
2.3 KiB
Python
|
"""Unit-Tests Adaptive Quality (PLAN.md §5.2)."""
|
||
|
|
|
||
|
|
from __future__ import annotations
|
||
|
|
|
||
|
|
from hms_adaptive import AdaptiveQualityController, QualityLevel
|
||
|
|
|
||
|
|
|
||
|
|
def _fast_controller() -> AdaptiveQualityController:
|
||
|
|
"""Regler ohne echte Wartezeiten für deterministische Tests."""
|
||
|
|
return AdaptiveQualityController(min_hold_ms=0, downgrade_intervals=2, upgrade_intervals=6)
|
||
|
|
|
||
|
|
|
||
|
|
def test_starts_at_high() -> None:
|
||
|
|
assert _fast_controller().level is QualityLevel.HIGH
|
||
|
|
|
||
|
|
|
||
|
|
def test_single_bad_interval_does_not_downgrade() -> None:
|
||
|
|
c = _fast_controller()
|
||
|
|
assert c.step(30.0) is QualityLevel.HIGH # 1 schlechtes Intervall genügt nicht
|
||
|
|
|
||
|
|
|
||
|
|
def test_downgrades_one_level_per_interval_not_more() -> None:
|
||
|
|
c = _fast_controller()
|
||
|
|
c.step(30.0)
|
||
|
|
c.step(30.0)
|
||
|
|
assert c.level is QualityLevel.MEDIUM # genau eine Stufe (Hysterese, §5.2)
|
||
|
|
c.step(30.0)
|
||
|
|
c.step(30.0)
|
||
|
|
assert c.level is QualityLevel.LOW
|
||
|
|
assert c.step(30.0) is QualityLevel.LOW # Untergrenze
|
||
|
|
|
||
|
|
|
||
|
|
def test_upgrade_needs_sustained_reserve() -> None:
|
||
|
|
c = _fast_controller()
|
||
|
|
for _ in range(4):
|
||
|
|
c.step(30.0)
|
||
|
|
assert c.level is QualityLevel.LOW
|
||
|
|
for _ in range(5): # 5 gute Intervalle genügen nicht (Upgrade träger)
|
||
|
|
c.step(1.0)
|
||
|
|
assert c.level is QualityLevel.LOW
|
||
|
|
c.step(1.0) # 6. gutes Intervall → eine Stufe hoch
|
||
|
|
assert c.level is QualityLevel.MEDIUM
|
||
|
|
|
||
|
|
|
||
|
|
def test_upgrade_slower_than_downgrade() -> None:
|
||
|
|
c = _fast_controller()
|
||
|
|
assert c.downgrade_intervals < c.upgrade_intervals
|
||
|
|
|
||
|
|
|
||
|
|
def test_no_pumping_on_alternating_load() -> None:
|
||
|
|
c = _fast_controller()
|
||
|
|
levels = []
|
||
|
|
for _ in range(60):
|
||
|
|
levels.append(c.step(30.0)) # Dauerlast → LOW
|
||
|
|
assert c.level is QualityLevel.LOW
|
||
|
|
for _ in range(3):
|
||
|
|
c.step(1.0) # kurze Erholung darf kein Pumpen erzeugen
|
||
|
|
c.step(30.0)
|
||
|
|
assert c.level is QualityLevel.LOW # keine Aufwertung bei alternierender Last
|
||
|
|
|
||
|
|
|
||
|
|
def test_reason_is_recorded() -> None:
|
||
|
|
c = _fast_controller()
|
||
|
|
c.step(30.0)
|
||
|
|
c.step(30.0)
|
||
|
|
assert "p99" in c.last_reason and "budget" in c.last_reason
|
||
|
|
|
||
|
|
|
||
|
|
def test_default_min_hold_prevents_rapid_changes(monkeypatch) -> None:
|
||
|
|
|
||
|
|
c = AdaptiveQualityController() # min_hold_ms=2000 (Produktionswert)
|
||
|
|
c.step(30.0)
|
||
|
|
c.step(30.0)
|
||
|
|
assert c.level is QualityLevel.HIGH # Mindesthaltezeit noch nicht vergangen
|