Dispose SQLAlchemy's engine in storage_tests/test_with_server.py#6330
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Alnusjaponica merged 12 commits intooptuna:masterfrom Nov 21, 2025
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@Alnusjaponica @sawa3030 Could you review this PR? |
This was referenced Nov 12, 2025
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Nov 13, 2025
Co-authored-by: Eri Sawada <125344906+sawa3030@users.noreply.github.com>
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Thank you for the comment. I’ve updated the code accordingly. |
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Thanks for your contribution. LGTM.
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Motivation
This PR is the follow-up on:
Engine#6303,and runs in parallel with::
storage_tests/test_cached_storage.py#6337, andstorage_tests/rdb_tests/test_storage.py#6338.The original PR did not cover all test cases. This PR addresses the remaining ones in
storage_tests/test_with_server.py.Important
With these PRs and this PR, all the tests creating
RDBStorageintest_storageshas been addressed.The remaining tests creating
RDBStorageis onlystudy_tests/test_study_summary.py, which creates theRDBStorageinstance for only two times and considered to be less likely to encounter the SQLAlchemy's issue.Description of the changes
get_storagefunciton contextmanager and use it for all tests instorage_tests/test_with_server.py.Note
To ensure that
dispose()is always called even when an assert fails, it should be invoked inside__exit__rather than at the end of the test function.Important
Most of the diff comes from increased indentation after introducing the context manager.