test_rtn.py

# SPDX-License-Identifier: Apache-2.0
# SPDX-FileCopyrightText: Copyright contributors to the vLLM project
# Copyright © 2025, Oracle and/or its affiliates.
"""Tests RTN quantization startup and generation, 
doesn't test correctness
"""
import pytest

from tests.quantization.utils import is_quant_method_supported

MODELS = [
    "microsoft/Phi-3-mini-4k-instruct",  # dense model
    "ai21labs/Jamba-tiny-dev",  # MoE model
]


@pytest.mark.skipif(not is_quant_method_supported("rtn"),
                    reason="RTN is not supported on this GPU type.")
@pytest.mark.parametrize("model", MODELS)
@pytest.mark.parametrize("dtype", ["bfloat16"])
@pytest.mark.parametrize("max_tokens", [10])
def test_model_rtn_startup(
    hf_runner,
    vllm_runner,
    example_prompts,
    model: str,
    dtype: str,
    max_tokens: int,
) -> None:

    with vllm_runner(model, dtype=dtype, quantization="rtn") as vllm_model:
        vllm_model.generate_greedy(example_prompts, max_tokens)