89 lines
2.7 KiB
Python
89 lines
2.7 KiB
Python
"""
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E2E tests for preprocessing
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"""
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import logging
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import os
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import unittest
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import transformers
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from axolotl.cli.args import PreprocessCliArgs
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from axolotl.cli.preprocess import do_preprocess
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from axolotl.utils.config import normalize_config, validate_config
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from axolotl.utils.dict import DictDefault
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from ..utils import with_temp_dir
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LOG = logging.getLogger("axolotl.tests.e2e")
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os.environ["WANDB_DISABLED"] = "true"
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class TestCustomRewardFunctionLoading(unittest.TestCase):
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"""
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Test case for GRPO training using single GPU
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"""
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def _utils_write_rewards(self):
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# write cfg to yaml file
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with open("rewards.py", "w", encoding="utf-8") as fout:
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fout.write(
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"""import random
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def rand_reward_func(completions, **kwargs) -> list[float]:
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return [random.uniform(0, 1) for _ in completions]
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def oai_gsm8k_transform(cfg, *args, **kwargs):
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def transform_fn(example, tokenizer=None):
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label = example["answer"].split("####")[-1].strip().replace(",", "")
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return {
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"prompt": [{"role": "user", "content": example["question"]},],
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"answer": label,
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}
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return transform_fn, {"remove_columns": ["question"]}
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"""
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)
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@with_temp_dir
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def test_custom_rewards_fn_preprocess(self, temp_dir):
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# pylint: disable=duplicate-code
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cfg = DictDefault(
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{
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"base_model": "HuggingFaceTB/SmolLM2-135M",
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"rl": "grpo",
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"trl": {
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"beta": 0.001,
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"max_completion_length": 256,
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"use_vllm": True,
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"num_generations": 4,
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"reward_funcs": [
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"rewards.rand_reward_func"
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], # format: '{file_name}.{fn_name}'
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"reward_weights": [1.0],
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},
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"vllm": {
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"max_model_len": 800,
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"enable_prefix_caching": True,
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},
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"datasets": [
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{
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"path": "openai/gsm8k",
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"name": "main",
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"type": "rewards.oai_gsm8k_transform",
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},
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],
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"dataset_prepared_path": temp_dir,
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"gradient_accumulation_steps": 1,
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"micro_batch_size": 1,
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"learning_rate": 0.000005,
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}
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)
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self._utils_write_rewards()
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cfg = validate_config(cfg)
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normalize_config(cfg)
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parser = transformers.HfArgumentParser(PreprocessCliArgs)
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cli_args, _ = parser.parse_args_into_dataclasses(return_remaining_strings=True)
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do_preprocess(cfg, cli_args)
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