test: reorganize pytest testing (mult. OSes & Python versions) #9

	name: CI_pytest_datawarrior_saturate_murcko_scaffolds

	# name : pytest.yml
	# purpose : regularly run pytest on the saturator script
	# date : [2024-03-21 Thu]
	# edit : [2024-11-11 Mon]

	on:
	push:
	branches:
	- main # updates to enter the principal branch "main"
	pull_request:
	branches:
	- main # PRs to enter the principal branch "main"
	workflow_dispatch: # provide a manual trigger
	schedule:
	- cron: "0 0 1 * *" # once each 1st of a month, at 00:00 UTC (cf. https://crontab.guru/)

	jobs:
	test:
	strategy:
	matrix:
	# for a factorial test, an explicit selection of GitHUb runner images
	# https://github.com/actions/runner-images?tab=readme-ov-file#available-images
	# state of commit 23478d3 as visited on 2024-11-11 Mon
	os: [ubuntu-20.04, ubuntu-22.04, ubuntu-24.04, windows-2019, windows-2022, macos-14]
	python-version: ["3.10", "3.12"]
	runs-on: ${{ matrix.os }}

	timeout-minutes: 3 # Timeout for each job individually

	steps:
	- uses: actions/checkout@v4
	# by [2024-10-23 Wed], this version possibly will be considered "old", cf.
	# https://github.blog/changelog/2023-09-22-github-actions-transitioning-from-node-16-to-node-20/

	- uses: actions/setup-python@v5
	with:
	python-version: ${{ matrix.python-version }}

	- name: Install dependencies with PyPI
	run: pip install pytest

	- name: Run the check with pytest
	run: python -m pytest

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