[issue31098] test target of Makefile always run tests in parallel mode

STINNER Victor added the comment: I close the issue as "not a bug". Reopen if you disagree. IMHO it's a bad practice to run tests sequentially: a test can change th behavior of the following test. Spawning a new process per test file is safer. Even if we are working hard to fix all side effe

[issue31098] test target of Makefile always run tests in parallel mode

STINNER Victor added the comment: To run tests sequentially, you can run regrtest using: ./python -m test I don't use "make test". -- ___ Python tracker ___

[issue31098] test target of Makefile always run tests in parallel mode

New submission from Arfrever Frehtes Taifersar Arahesis: In CPython >=3.3, "test" target of Makefile calls Tools/scripts/run_tests.py script. This script contains: def is_multiprocess_flag(arg): return arg.startswith('-j') or arg.startswith('--multiprocess') ... def main(regrtest_args): ...