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67 lines
2.1 KiB
Python
67 lines
2.1 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 copy
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import pytest
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from tests.plugins.vllm_add_dummy_stat_logger.dummy_stat_logger.dummy_stat_logger import ( # noqa E501
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DummyStatLogger,
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)
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from vllm.v1.engine.async_llm import AsyncEngineArgs, AsyncLLM
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from vllm.v1.metrics.ray_wrappers import RayPrometheusStatLogger
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@pytest.fixture
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def log_stats_enabled_engine_args():
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"""
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Shared fixture providing common AsyncEngineArgs configuration
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used across multiple tests.
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"""
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return AsyncEngineArgs(
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model="distilbert/distilgpt2",
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dtype="half",
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disable_log_stats=False,
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enforce_eager=True,
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)
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@pytest.mark.asyncio
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async def test_async_llm_replace_default_loggers(log_stats_enabled_engine_args):
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"""
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RayPrometheusStatLogger should replace the default PrometheusStatLogger
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"""
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engine = AsyncLLM.from_engine_args(
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log_stats_enabled_engine_args, stat_loggers=[RayPrometheusStatLogger]
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)
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assert isinstance(engine.logger_manager.stat_loggers[0], RayPrometheusStatLogger)
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engine.shutdown()
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@pytest.mark.asyncio
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async def test_async_llm_add_to_default_loggers(log_stats_enabled_engine_args):
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"""
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It's still possible to use custom stat loggers exclusively by passing
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disable_log_stats=True in addition to a list of custom stat loggers.
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"""
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# Create engine_args with disable_log_stats=True for this test
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disabled_log_engine_args = copy.deepcopy(log_stats_enabled_engine_args)
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disabled_log_engine_args.disable_log_stats = True
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# Disable default loggers; pass custom stat logger to the constructor
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engine = AsyncLLM.from_engine_args(
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disabled_log_engine_args, stat_loggers=[DummyStatLogger]
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)
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assert len(engine.logger_manager.stat_loggers) == 2
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assert len(engine.logger_manager.stat_loggers[0].per_engine_stat_loggers) == 1
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assert isinstance(
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engine.logger_manager.stat_loggers[0].per_engine_stat_loggers[0],
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DummyStatLogger,
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)
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# log_stats is still True, since custom stat loggers are used
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assert engine.log_stats
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engine.shutdown()
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