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Fixed ray session fixture for uv run #3321

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Fixed ray session fixture for uv run #3321

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10 changes: 8 additions & 2 deletions tests/conftest.py
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Original file line number Diff line number Diff line change
Expand Up @@ -3030,13 +3030,19 @@ def pyarrow_table_with_promoted_types(pyarrow_schema_with_promoted_types: "pa.Sc


@pytest.fixture(scope="session")
def ray_session() -> Generator[Any, None, None]:
def ray_session(tmp_path_factory: pytest.TempPathFactory) -> Generator[Any, None, None]:
"""Fixture to manage Ray initialization and shutdown for tests."""
os.environ["RAY_ENABLE_UV_RUN_RUNTIME_ENV"] = (
"0" # Disable Ray's uv-run runtime env propagation to keep test workers isolated.
)

import ray

working_dir = str(tmp_path_factory.mktemp("ray-working-dir"))

ray.init(
ignore_reinit_error=True,
runtime_env={"working_dir": None}, # Prevent Ray from serializing the working directory to workers
runtime_env={"working_dir": working_dir}, # Prevent Ray from serializing the working directory to workers
)
yield ray
ray.shutdown()
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