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tests: enumerate CUDA devices for GPU-only system checks #2916

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Merged
isVoid merged 1 commit into from
Sep 18, 2026
+12 −6
Merged

tests: enumerate CUDA devices for GPU-only system checks #2916

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9 changes: 6 additions & 3 deletions cuda_core/tests/system/test_system_device.py
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Original file line number Diff line number Diff line change
Expand Up @@ -167,7 +167,8 @@ def test_device_name():


def test_device_pci_info(subtests):
for device in system.Device.get_all_devices():
for cuda_device in CudaDevice.get_all_devices():
device = cuda_device.to_system_device()
with subtests.test(device_index=device.index):
pci_info = device.pci_info
assert isinstance(pci_info, _device.PciInfo)
Expand Down Expand Up @@ -684,7 +685,8 @@ def test_clock_event_reasons(subtests):


def test_fan(subtests):
for device in system.Device.get_all_devices():
for cuda_device in CudaDevice.get_all_devices():
device = cuda_device.to_system_device()
device_index = device.index
num_fans = None
# The fan APIs are only supported on discrete devices with fans,
Expand Down Expand Up @@ -734,7 +736,8 @@ def test_fan(subtests):


def test_cooler(subtests):
for device in system.Device.get_all_devices():
for cuda_device in CudaDevice.get_all_devices():
device = cuda_device.to_system_device()
with subtests.test(device_index=device.index):
# The cooler APIs are only supported on discrete devices with fans,
# but when they are not available `device.num_fans` returns 0.
Expand Down
9 changes: 6 additions & 3 deletions cuda_core/tests/system/test_system_events.py
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Original file line number Diff line number Diff line change
Expand Up @@ -10,6 +10,7 @@
import helpers
import pytest

from cuda.core import Device as CudaDevice
from cuda.core import system
from cuda.core.system import typing

Expand Down Expand Up @@ -54,10 +55,12 @@ def test_pci_bus_id_from_gpu_id(gpu_id, expected):
def test_system_event_device_resolves_pci_bus_id():
# Round-trip: pack pci_info with the inverse of _pci_bus_id_from_gpu_id,
# then resolve Device through SystemEvent.device.
if system.get_num_devices() == 0:
pytest.skip("No GPUs available")
cuda_devices = list(CudaDevice.get_all_devices())
if not cuda_devices:
pytest.skip("No CUDA devices available")

for device in system.Device.get_all_devices():
for cuda_device in cuda_devices:
device = cuda_device.to_system_device()
pci = device.pci_info
if pci.domain > 0xFFFF:
pytest.skip(f"PCI domain {pci.domain:#x} does not fit in a packed gpu_id")
Expand Down
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