79 lines
2.5 KiB
Python
79 lines
2.5 KiB
Python
# SPDX-License-Identifier: Apache-2.0
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# SPDX-FileCopyrightText: Copyright contributors to the vLLM project
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import logging
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import weakref
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import pytest
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from vllm import LLM, PoolingRequestOutput
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from vllm.config import PoolerConfig
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from vllm.distributed import cleanup_dist_env_and_memory
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from vllm.tasks import PoolingTask
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MODEL_NAME = "jason9693/Qwen2.5-1.5B-apeach"
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prompt = "The chef prepared a delicious meal."
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prompt_token_ids = [785, 29706, 10030, 264, 17923, 15145, 13]
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num_labels = 2
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@pytest.fixture(scope="module")
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def llm():
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# pytest caches the fixture so we use weakref.proxy to
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# enable garbage collection
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llm = LLM(
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model=MODEL_NAME,
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pooler_config=PoolerConfig(task="token_classify"),
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max_num_batched_tokens=32768,
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tensor_parallel_size=1,
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gpu_memory_utilization=0.75,
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enforce_eager=True,
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seed=0,
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)
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yield weakref.proxy(llm)
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del llm
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cleanup_dist_env_and_memory()
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@pytest.mark.skip_global_cleanup
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def test_str_prompts(llm: LLM):
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outputs = llm.encode(prompt, pooling_task="token_classify", use_tqdm=False)
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assert len(outputs) == 1
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assert isinstance(outputs[0], PoolingRequestOutput)
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assert outputs[0].prompt_token_ids == prompt_token_ids
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assert outputs[0].outputs.data.shape == (len(prompt_token_ids), num_labels)
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@pytest.mark.skip_global_cleanup
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def test_token_ids_prompts(llm: LLM):
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outputs = llm.encode(
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[prompt_token_ids], pooling_task="token_classify", use_tqdm=False
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)
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assert len(outputs) == 1
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assert isinstance(outputs[0], PoolingRequestOutput)
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assert outputs[0].prompt_token_ids == prompt_token_ids
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assert outputs[0].outputs.data.shape == (len(prompt_token_ids), num_labels)
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@pytest.mark.skip_global_cleanup
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def test_score_api(llm: LLM):
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err_msg = "Scoring API is only enabled for num_labels == 1."
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with pytest.raises(ValueError, match=err_msg):
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llm.score("ping", "pong", use_tqdm=False)
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@pytest.mark.parametrize("task", ["classify", "embed", "token_embed"])
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def test_unsupported_tasks(llm: LLM, task: PoolingTask, caplog_vllm):
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if task == "classify":
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with caplog_vllm.at_level(level=logging.WARNING, logger="vllm"):
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llm.encode(prompt, pooling_task=task, use_tqdm=False)
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assert "deprecated" in caplog_vllm.text
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else:
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err_msg = "Embedding API is not supported by this model.+"
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with pytest.raises(ValueError, match=err_msg):
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llm.encode(prompt, pooling_task=task, use_tqdm=False)
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