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TEST: Merge import subprocess checks #24010

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Merged
rapids-bot merged 3 commits into from
Sep 8, 2026
+14 −18
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TEST: Merge import subprocess checks #24010

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74b9f11
TEST: Merge import subprocess checks
vyasr Sep 6, 2026
623f961
TEST: Update S3 test copyright notice
vyasr Sep 7, 2026
f920201
TEST: Clarify import invariant coverage
vyasr Sep 8, 2026
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16 changes: 1 addition & 15 deletions python/cudf/cudf/tests/input_output/test_s3.py
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Original file line number Diff line number Diff line change
@@ -1,8 +1,6 @@
# SPDX-FileCopyrightText: Copyright (c) 2020-2026, NVIDIA CORPORATION.
# SPDX-FileCopyrightText: Copyright (c) 2020-2026, NVIDIA CORPORATION & AFFILIATES. All rights reserved.
# SPDX-License-Identifier: Apache-2.0

import subprocess
import sys
import uuid
from io import BytesIO, StringIO

Expand Down Expand Up @@ -481,15 +479,3 @@ def test_write_chunked_parquet(s3_bucket_public, s3so):
actual.sort_values(["b"]).reset_index(drop=True),
cudf.concat([df1, df2]).sort_values(["b"]).reset_index(drop=True),
)


def test_no_s3fs_on_cudf_import():
output = subprocess.check_call(
[
sys.executable,
"-c",
"import cudf, sys; assert 'pyarrow._s3fs' not in sys.modules",
],
cwd="/",
)
assert output == 0
16 changes: 13 additions & 3 deletions python/cudf/cudf/tests/test_no_device.py
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Original file line number Diff line number Diff line change
@@ -1,14 +1,24 @@
# SPDX-FileCopyrightText: Copyright (c) 2024-2025, NVIDIA CORPORATION.
# SPDX-FileCopyrightText: Copyright (c) 2024-2026, NVIDIA CORPORATION & AFFILIATES. All rights reserved.
# SPDX-License-Identifier: Apache-2.0
import subprocess
import sys


def test_cudf_import_no_device(monkeypatch):
def test_cudf_import_invariants(monkeypatch):
with monkeypatch.context() as m:
# Importing cuDF must not require a visible CUDA device.
m.setenv("CUDA_VISIBLE_DEVICES", "-1")
output = subprocess.check_call(
[sys.executable, "-c", "import cudf"],
[
sys.executable,
"-c",
(
"import cudf, sys; "
# Importing cuDF must not eagerly load PyArrow's optional
# S3 extension module.
"assert 'pyarrow._s3fs' not in sys.modules"
),
],
cwd="/",
)
assert output == 0
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