[anirudhsengar]

Metadata

• Reference Issue: Part of Migrate all unittests to pytest #1252
• New Tests Added: Yes (migrate existing tests to pytest style)
• Documentation Updated: No
• Change Log Entry: “Migrate test_setups/test_setup_functions.py to pytest-style tests”

Details

• This PR migrates test_setup_functions.py from unittest.TestCase-based tests (openml.testing.TestBase) to pure pytest-style tests.
• It replaces the class-based TestSetupFunctions with module-level test functions and introduces a pytest fixture sklearn_extension() to provide the SklearnExtension instance previously created in setUp().
• The helper method _existing_setup_exists() is extracted as a standalone function that accepts sklearn_extension as a parameter.
• Tests that require the static cache directory now use the existing static_cache_dir fixture from conftest.py.
• Assertions continue to use assert and pytest.raises, consistent with the style already used in test_utils.py.
• Calls to TestBase._mark_entity_for_removal() and TestBase.logger are preserved for tracking entities uploaded to the test server during cleanup.
• No functional changes to the OpenML setups API are introduced; only the test implementation is refactored.

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[codecov-commenter]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 53.84%. Comparing base (aee8627) to head (84fd105).

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #1442      +/-   ##
==========================================
- Coverage   53.99%   53.84%   -0.16%     
==========================================
  Files          63       63              
  Lines        5230     5230              
==========================================
- Hits         2824     2816       -8     
- Misses       2406     2414       +8     

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[PGijsbers]

Thanks for your contribution!