vllm/tests/config/test_config_generation.py

39 lines
1.5 KiB
Python

# SPDX-License-Identifier: Apache-2.0
# SPDX-FileCopyrightText: Copyright contributors to the vLLM project
import pytest
from vllm.engine.arg_utils import EngineArgs
from vllm.model_executor.layers.quantization.quark.utils import deep_compare
def test_cuda_empty_vs_unset_configs(monkeypatch: pytest.MonkeyPatch):
"""Test that configs created with normal (untouched) CUDA_VISIBLE_DEVICES
and CUDA_VISIBLE_DEVICES="" are equivalent. This ensures consistent
behavior regardless of whether GPU visibility is disabled via empty string
or left in its normal state.
"""
def create_config():
engine_args = EngineArgs(model="deepseek-ai/DeepSeek-V2-Lite",
trust_remote_code=True)
return engine_args.create_engine_config()
# Create config with CUDA_VISIBLE_DEVICES set normally
normal_config = create_config()
# Create config with CUDA_VISIBLE_DEVICES=""
with monkeypatch.context() as m:
m.setenv("CUDA_VISIBLE_DEVICES", "")
empty_config = create_config()
normal_config_dict = vars(normal_config)
empty_config_dict = vars(empty_config)
# Remove instance_id before comparison as it's expected to be different
normal_config_dict.pop("instance_id", None)
empty_config_dict.pop("instance_id", None)
assert deep_compare(normal_config_dict, empty_config_dict), (
"Configs with normal CUDA_VISIBLE_DEVICES and CUDA_VISIBLE_DEVICES=\"\""
" should be equivalent")