Improving Test Concurrency#12

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paultiq wants to merge 54 commits intomainfrom

test_threading_prep

Commits on Sep 17, 2025

test: Add pytest plugins for - timestamper (timestamps in debug), run-parallel (multi-threading), randomly (random order), and xdist (multiprocessing)
paultiq
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test: When using duckdb_cursor fixture, use a distinct database for each test to allow concurrent tests.
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test: use tmp_path fixture to allow concurrent tests to run and avoid ordering issues
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test: move the 10M row test to tests/slow, as it takes > 1min / is not fast.
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test: use distinct table names in each test. While doesn't allow thread safety, addresses test order (found via randomly)
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test: use pytest-raises to catch the expected error and add a timeout to avoid long tests. This was another cause of fast tests taking too long, sometimes.
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ci: reduce the verbosity of the build step by add --quiet to uv export
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revert: restore ccache installs
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CI: Add a Stress Tests workflow
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test: add a default_con fixture that guarantees a "clean" connection, marked thread_unsafe
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Commits on Sep 18, 2025

Commits on Sep 19, 2025