tests

--- (#93) #486

	# https://help.github.com/en/actions/reference/workflow-syntax-for-github-actions

	# shown in badge
	# https://help.github.com/en/actions/automating-your-workflow-with-github-actions/configuring-a-workflow#adding-a-workflow-status-badge-to-your-repository
	name: tests

	on:
	push:
	pull_request:
	schedule:
	- cron: '0 20 * * 5'

	jobs:
	tests:
	runs-on: ubuntu-20.04
	strategy:
	matrix:
	python-version:
	- '3.8'
	- '3.9'
	- '3.10'
	fail-fast: false
	steps:
	- uses: actions/checkout@v4
	- uses: actions/setup-python@v5
	with:
	python-version: ${{ matrix.python-version }}
	# with pipenv v2023.6.26:
	# > $ pipenv run pytest --cov="$(cat *.egg-info/top_level.txt)"
	# . --cov-report=term-missing --cov-fail-under=100
	# > cat: '*.egg-info/top_level.txt': No such file or directory
	# > [...]
	# > [...]/coverage/inorout.py:507: CoverageWarning:
	# . Module was never imported. (module-not-imported)
	- run: pip install --upgrade pipenv==2023.6.18
	# by default pipenv picks the latest version in PATH
	- run: pipenv install --python "$PYTHON_VERSION" --deploy --dev
	env:
	PYTHON_VERSION: ${{ matrix.python-version }}
	- run: pipenv graph
	- run: pipenv run pytest --cov="$(cat *.egg-info/top_level.txt)" --cov-report=term-missing --cov-fail-under=100
	- run: pipenv run pylint "$(cat .egg-info/top_level.txt)" tests/

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