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test: Improve settings.py #500

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Merged
ValerianRey merged 1 commit into from
Dec 21, 2025
Merged

test: Improve settings.py #500

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13 changes: 8 additions & 5 deletions tests/settings.py
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Original file line number Diff line number Diff line change
Expand Up @@ -2,22 +2,25 @@

import torch

_POSSIBLE_TEST_DEVICES = {"cpu", "cuda:0"}
_POSSIBLE_TEST_DTYPES = {"float32", "float64"}

try:
_device_str = os.environ["PYTEST_TORCH_DEVICE"]
except KeyError:
_device_str = "cpu" # Default to cpu if environment variable not set

if _device_str != "cuda:0" and _device_str != "cpu":
raise ValueError(f"Invalid value of environment variable PYTEST_TORCH_DEVICE: {_device_str}")
if _device_str not in _POSSIBLE_TEST_DEVICES:
raise ValueError(
f"Invalid value of environment variable PYTEST_TORCH_DEVICE: {_device_str}.\n"
f"Possible values: {_POSSIBLE_TEST_DEVICES}."
)

if _device_str == "cuda:0" and not torch.cuda.is_available():
raise ValueError('Requested device "cuda:0" but cuda is not available.')

DEVICE = torch.device(_device_str)


_POSSIBLE_TEST_DTYPES = {"float32", "float64"}

try:
_dtype_str = os.environ["PYTEST_TORCH_DTYPE"]
except KeyError:
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