vllm/tests/plugins_tests/test_scheduler_plugins.py
Yannick Schnider 423330263b
[Feature] Pluggable platform-specific scheduler (#13161)
Signed-off-by: Yannick Schnider <yannick.schnider1@ibm.com>
Signed-off-by: Yannick Schnider <Yannick.Schnider1@ibm.com>
2025-02-19 17:16:38 +08:00

34 lines
918 B
Python

# SPDX-License-Identifier: Apache-2.0
from vllm.core.scheduler import Scheduler
class DummyScheduler(Scheduler):
def schedule(self):
raise Exception("Exception raised by DummyScheduler")
def test_scheduler_plugins():
import pytest
from vllm.engine.arg_utils import EngineArgs
from vllm.engine.llm_engine import LLMEngine
from vllm.sampling_params import SamplingParams
with pytest.raises(Exception) as exception_info:
engine_args = EngineArgs(
model="facebook/opt-125m",
enforce_eager=True, # reduce test time
scheduler_cls=DummyScheduler,
)
engine = LLMEngine.from_engine_args(engine_args=engine_args)
sampling_params = SamplingParams(max_tokens=1)
engine.add_request("0", "foo", sampling_params)
engine.step()
assert str(exception_info.value) == "Exception raised by DummyScheduler"