Parallel test execution by sebastianbergmann · Pull Request #6784 · sebastianbergmann/phpunit

Add persistent worker for parallel test execution

sebastianbergmann

committed

Ignore code that is unreachable from code coverage

sebastianbergmann

committed

Harden awaitResult() matching

sebastianbergmann

committed

Run a test suite across a pool of worker processes instead of sequentially, selected with the new --parallel=<n> CLI option (sequential remains the default). Builds on the persistent worker and asy…

sebastianbergmann

committed

Run PHPT tests concurrently in the main process instead of nesting them inside parallel workers (which hung on Windows)

sebastianbergmann

committed

Signal worker-pool completion through the filesystem and poll for it instead of multiplexing the workers' output pipes with stream_select(), which hangs on Windows

sebastianbergmann

committed

Ignore defensive paths that cannot be tested from code coverage

sebastianbergmann

committed

Add tests

sebastianbergmann

committed

Replace --DO_NOT_RUN_IN_PARALLEL-- interim solution with proper --CONFLICTS-- implementation

sebastianbergmann

committed

Expose PHPUNIT_WORKER_TOKEN alongside PHPUNIT_WORKER_ID for per-worker resource partitioning

sebastianbergmann

committed

Remove the unused single-test worker protocol

sebastianbergmann

committed

Move duplicated retry attempt-event helpers up into IterativeTestSuite

sebastianbergmann

committed

Extract shared child-process result-envelope handling into one helper

sebastianbergmann

committed

Run the repetitions of a repeated test and the attempts of a retried test through their IterativeTestSuite when tests are run in parallel

sebastianbergmann

committed

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Parallel test execution#6784

Parallel test execution#6784
sebastianbergmann wants to merge 14 commits into
mainfrom
feature/parallel-test-execution

Commits on Jul 7, 2026

Add persistent worker for parallel test execution

Ignore code that is unreachable from code coverage

Harden awaitResult() matching

Run a test suite across a pool of worker processes instead of sequentially, selected with the new --parallel=<n> CLI option (sequential remains the default). Builds on the persistent worker and asy…

Run PHPT tests concurrently in the main process instead of nesting them inside parallel workers (which hung on Windows)

Signal worker-pool completion through the filesystem and poll for it instead of multiplexing the workers' output pipes with stream_select(), which hangs on Windows

Ignore defensive paths that cannot be tested from code coverage

Add tests

Replace --DO_NOT_RUN_IN_PARALLEL-- interim solution with proper --CONFLICTS-- implementation

Expose PHPUNIT_WORKER_TOKEN alongside PHPUNIT_WORKER_ID for per-worker resource partitioning

Remove the unused single-test worker protocol

Move duplicated retry attempt-event helpers up into IterativeTestSuite

Extract shared child-process result-envelope handling into one helper

Run the repetitions of a repeated test and the attempts of a retried test through their IterativeTestSuite when tests are run in parallel