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hms-mediaengine/tests/unit/test_capabilities.py
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"""Unit-Tests Capability-Probe (PLAN.md §5, §5.2).
Regel: kein Fake-Ergebnis (§33). Ein Report ohne GPU-Messung darf kein
DESKTOP-Tier vergeben; HEADLESS nur ohne Display.
"""
from __future__ import annotations
from hms_capabilities import CapabilityReport, CapabilityTier
def test_report_starts_with_unknown_tier_and_gpu() -> None:
report = CapabilityReport()
assert report.tier is None
assert report.gpu is None
d = report.as_dict()
assert d["tier"] is None # ungeprüft = ungeeignet für Gate-Aussagen
def test_full_gpu_with_8gb_vram_is_desktop_full() -> None:
report = CapabilityReport()
tier = report.conclude_tier(has_gpu=True, vram_gb=12.0, decode_ok=True, has_display=True)
assert tier is CapabilityTier.DESKTOP_FULL
def test_igpu_with_low_vram_is_desktop_lite() -> None:
report = CapabilityReport()
tier = report.conclude_tier(has_gpu=True, vram_gb=2.0, decode_ok=True, has_display=True)
assert tier is CapabilityTier.DESKTOP_LITE
def test_no_display_is_headless_control() -> None:
report = CapabilityReport()
tier = report.conclude_tier(has_gpu=False, vram_gb=None, decode_ok=False, has_display=False)
assert tier is CapabilityTier.HEADLESS_CONTROL
def test_unmeasured_gpu_yields_no_tier() -> None:
"""Ohne GPU-Messung darf kein DESKTOP-Tier vergeben werden (§33)."""
report = CapabilityReport()
tier = report.conclude_tier(has_gpu=True, vram_gb=None, decode_ok=True, has_display=True)
assert tier is CapabilityTier.DESKTOP_LITE
# Aber: ohne verifizierten Decode → None
tier = report.conclude_tier(has_gpu=True, vram_gb=None, decode_ok=False, has_display=True)
assert tier is None
def test_failed_decode_on_display_machine_is_none_not_lite() -> None:
"""Display vorhanden, aber Decode unbestätigt → kein stiller Lite-Status."""
report = CapabilityReport()
tier = report.conclude_tier(has_gpu=True, vram_gb=16.0, decode_ok=False, has_display=True)
assert tier is None