39159160340
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main: 89%

Ran 18 Oct 2026 07:33PM UTC

Jobs 1

Files 59

Run time 1min

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Committed 18 Oct 2026 05:11PM UTC coverage: 88.053%. Remained the same

Build # 39159160340

Build Type

push

github

Committed by

web-flow

Commit Message

Fix I/O race in the numba tests (#911)

The numba tests generated `poisson_numba.py` into the current working
directory and imported it by module name. CI runs the suite with
`pytest -n auto`, so several workers sharing a working directory could
generate the file concurrently, and a worker could import it while
another was still writing it, giving

    AttributeError: module 'poisson_numba' has no attribute 'form_poisson_a'

Generate the module into the test's own `tmp_path` instead, via the
existing `--dir` option of `ffcx.main`, and load it from that explicit
path with `importlib.util.spec_from_file_location`. Each test now has
its own copy and nothing is written to the working directory.

Reproduced on the previous code at 1 failure in 10 runs of
`pytest test/test_numba.py -n 4`, with the error reported in the issue;
0 failures in 20 runs after the change.

Fixes #822.

Co-authored-by: Claude Opus 5 <noreply@anthropic.com>

Coverage Stats

4798 of 5449 relevant lines covered (88.05%)

0.88 hits per line

Jobs

ID	Job ID	Ran	Files	Coverage
1	39159160340.1	18 Oct 2026 07:33PM UTC	59	88.05	GitHub Action Run

FEniCS / ffcx / 39159160340
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