test

Rework execnet onto a trio-native core (sync facade, uv-provisioned workers, execnet.trio) #550

Workflow file for this run

	name: test

	on:
	push:
	branches:
	- "main"
	- "test-me-*"

	pull_request:
	branches:
	- "main"

	workflow_dispatch:

	# Cancel running jobs for the same workflow and branch.
	concurrency:
	group: ${{ github.workflow }}-${{ github.ref }}
	cancel-in-progress: true

	jobs:

	package:
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v7
	- name: Build and Check Package
	uses: hynek/build-and-inspect-python-package@v2.18

	# The docs build is `-W`, so a stale reference is an error, and the same
	# env runs the doc examples as doctests -- they claim to be tested, and
	# for years they silently were not.
	docs:

	runs-on: ubuntu-latest

	steps:
	- uses: actions/checkout@v7
	with:
	fetch-depth: 0

	- name: Set up Python
	uses: actions/setup-python@v7
	with:
	python-version: "3.13"

	- name: Install dependencies
	run: pip install tox

	- name: Build the docs and run the doc examples
	run: tox run -e docs

	test:

	needs: [package]

	runs-on: ${{ matrix.os }}

	strategy:
	fail-fast: false
	matrix:
	os: [ windows-latest, ubuntu-latest ]
	python: [ "3.10", "3.11", "3.12", "3.13", "3.14", "pypy-3.11" ]

	steps:
	- uses: actions/checkout@v7
	with:
	fetch-depth: 0

	- name: Download Package
	uses: actions/download-artifact@v8
	with:
	name: Packages
	path: dist

	- name: Set up Python
	uses: actions/setup-python@v7
	with:
	python-version: ${{ matrix.python }}

	- name: Install dependencies
	run: pip install tox twine

	- name: Check package
	shell: bash
	run: \|
	twine check --strict dist/*

	- name: Test
	shell: bash
	# The suite is installed from the sdist, which leaves a dev version
	# with no source tree to build a provisioning wheel from -- so every
	# test that needs a provisioned worker (ssh, foreign python, via)
	# would skip. Hand it the wheel from the same build instead: the
	# workers then run exactly the artifact under test.
	run: \|
	export EXECNET_PROVISION_WHEEL="$PWD/$(find dist -name '*.whl' \| head -1)"
	tox run -e py --installpkg `find dist/*.tar.gz`

	# pytest-xdist drives execnet's local parallel testing: popen gateways,
	# the main-thread worker profile, crashed-worker replacement, and the
	# report/warning serialization. Our own suite runs xdist as a tool,
	# which does not exercise any of that -- so run xdist's own test suite
	# against the execnet built from this branch.
	#
	# Two targets:
	#
	# * `release` is a pinned combination known to be green against the last
	# released execnet, so a failure there means we broke something. It
	# blocks. Bump `ref`/`pytest` together, and only after checking the new
	# pair is green against released execnet -- otherwise the signal is
	# gone. (xdist 3.8.0 needs pytest<9: with pytest 9 two of its tests
	# fail against released execnet too.)
	# * `default-branch` is early warning for drift on both sides. It is
	# allowed to fail, because it can go red for reasons that are xdist's
	# to fix. An empty `ref` follows whatever xdist's default branch is
	# (`master` today) rather than hardcoding a name that could change.
	#
	# To reproduce locally:
	# git clone https://github.com/pytest-dev/pytest-xdist
	# git -C pytest-xdist checkout v3.8.0 # or stay on the default branch
	# python -m venv .xdist-venv
	# .xdist-venv/bin/pip install ./pytest-xdist[testing] "pytest<9" .
	# cd pytest-xdist && ../.xdist-venv/bin/python -m pytest
	xdist:

	needs: [package]

	runs-on: ubuntu-latest

	name: xdist (${{ matrix.name }})

	continue-on-error: ${{ matrix.experimental }}

	strategy:
	fail-fast: false
	matrix:
	include:
	- name: release
	ref: "v3.8.0"
	pytest: "pytest<9"
	experimental: false
	- name: default-branch
	ref: ""
	pytest: "pytest"
	experimental: true

	steps:
	- uses: actions/checkout@v7
	with:
	path: execnet

	- uses: actions/checkout@v7
	with:
	repository: pytest-dev/pytest-xdist
	ref: ${{ matrix.ref }}
	path: pytest-xdist

	- name: Download Package
	uses: actions/download-artifact@v8
	with:
	name: Packages
	path: dist

	- name: Set up Python
	uses: actions/setup-python@v7
	with:
	python-version: "3.13"

	- name: Install pytest-xdist and this execnet
	shell: bash
	run: \|
	python -m pip install --upgrade pip
	python -m pip install "./pytest-xdist[testing]" "${{ matrix.pytest }}"
	# after xdist, so its execnet>=2.1 requirement does not win
	python -m pip install --force-reinstall `find dist/*.tar.gz`
	python -c "import execnet, xdist; print('execnet', execnet.__version__)"

	- name: Run the pytest-xdist test suite
	shell: bash
	working-directory: pytest-xdist
	run: \|
	deselect=()
	# `\|\| [ -n "$line" ]` so a file without a trailing newline still
	# contributes its last entry
	while read -r line \|\| [ -n "$line" ]; do
	line="${line%%#*}"
	line="$(echo "$line" \| xargs)"
	[ -n "$line" ] && deselect+=(--deselect "$line")
	done < ../execnet/.github/xdist-known-failures.txt
	printf 'deselecting %d known failure(s)\n' $(( ${#deselect[@]} / 2 ))
	python -m pytest -ra "${deselect[@]}"

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Rework execnet onto a trio-native core (sync facade, uv-provisioned workers, execnet.trio) #550

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Rework execnet onto a trio-native core (sync facade, uv-provisioned workers, execnet.trio) #550

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