spack/.github/workflows/macos_unit_tests.yaml
Rui Xue d9b945f663
Mac OS: support Python >= 3.8 by using fork-based multiprocessing (#18124)
As detailed in https://bugs.python.org/issue33725, starting new
processes with 'fork' on Mac OS is not guaranteed to work in general.
As of Python 3.8 the default process spawning mechanism was changed
to avoid this issue.

Spack depends on the fork-based method to preserve file descriptors
transparently, to preserve global state, and to avoid pickling some
objects. An effort is underway to remove dependence on fork-based
process spawning (see #18205). In the meantime, this allows Spack to
run with Python 3.8 on Mac OS by explicitly choosing to use 'fork'.

Co-authored-by: Peter Josef Scheibel <scheibel1@llnl.gov>
Co-authored-by: Adam J. Stewart <ajstewart426@gmail.com>
Co-authored-by: Todd Gamblin <tgamblin@llnl.gov>
2020-09-02 00:15:39 -07:00

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YAML

name: macos tests
on:
push:
branches:
- develop
- releases/**
pull_request:
branches:
- develop
- releases/**
jobs:
build:
runs-on: macos-latest
steps:
- uses: actions/checkout@v2
with:
fetch-depth: 0
- uses: actions/setup-python@v2
with:
python-version: 3.8
- name: Install Python packages
run: |
pip install --upgrade pip six setuptools
pip install --upgrade codecov coverage
pip install --upgrade flake8 pep8-naming
- name: Setup Homebrew packages
run: |
brew install gcc gnupg2 dash kcov
- name: Run unit tests
run: |
git --version
. .github/workflows/setup_git.sh
. share/spack/setup-env.sh
coverage run $(which spack) test
coverage combine
coverage xml
- uses: codecov/codecov-action@v1
with:
file: ./coverage.xml
flags: unittests,macos