ci: only run test suites for solvers changed in a PR#302
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Add a `changes` gate job (dorny/paths-filter) that maps changed paths to per-solver booleans; each test job now runs only when its solver's source, tests, or shared/core code changed. A `shared` filter (base/utils/functions/ electrostatic/normalization/driftdiffusion/mlflow, pyproject, uv.lock, run.py, conftest, this workflow, the setup action) is folded into every solver filter via a YAML anchor, so touching cross-cutting code still runs all suites. Pushes to main and manual dispatches force the full matrix (run_all) for complete coverage on the protected branch. Job names are unchanged so existing required status checks keep matching; skipped jobs report as passing. Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
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What
Stop running every solver's test suite on every PR. A new
changesgate job maps the PR's changed paths to per-solver booleans (viadorny/paths-filter), and eachtest-*job now runs only when its solver's source, tests, or shared code changed.There are a lot of solvers now, and running all of them on every commit is wasteful — this scopes CI to what a PR actually touches.
How it decides
test-lpse2druns iffadept/_lpse2d/**,adept/lpse2d.py, ortests/test_lpse2d/**changed (and likewise for the other five).sharedfilter is folded into every solver filter via a YAML anchor, so touching cross-cutting code runs all suites. It covers_base_.py,utils.py,functions.py,electrostatic.py,normalization.py,driftdiffusion.py,mlflow_logging.py,patched_mlflow.py,__init__.py, pluspyproject.toml,uv.lock,run.py,tests/conftest.py, the setup action, and this workflow itself. (driftdiffusion.pyis imported by base/vlasov1d/vfp1d, hence shared.)main: pushes tomainand manual dispatches force the full matrix (run_all), so nothing is skipped on the protected branch.Compatibility
test-base,test-lpse2d, …), so any required status checks keep matching.if:(not a workflow-levelpaths:filter), so the workflow always triggers and skipped jobs report as passing — a PR can't get stuck waiting on a check that never runs.Notes
main. The hermite jobs land via feat: mixed Hermite-Legendre 1D Vlasov-Poisson solver (arXiv:2606.12322) #289; once this merges, that PR can gate its jobs the same way (rebase re-adds them under the same pattern).dorny/paths-filteraction. Happy to swap for a plaingit diffstep if you'd prefer no new action dependency.🤖 Generated with Claude Code