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ray-project--ray/python/ray/train/v2/tests/test_util.py
T
2026-07-13 13:17:40 +08:00

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Python

import pytest
from ray.train.utils import _in_ray_train_worker
from ray.train.v2.api.data_parallel_trainer import DataParallelTrainer
def test_in_ray_train_worker(ray_start_4_cpus):
assert not _in_ray_train_worker()
def train_fn():
assert _in_ray_train_worker()
trainer = DataParallelTrainer(train_fn)
trainer.fit()
if __name__ == "__main__":
import sys
sys.exit(pytest.main(["-v", "-x", __file__]))