Maintenance PR #79

	name: tests

	on: pull_request

	jobs:
	tests:
	strategy:
	fail-fast: false
	matrix:
	python-version: ['3.9', '3.10', '3.11']
	os: [ubuntu-latest, macos-latest]
	runs-on: ${{ matrix.os }}
	if: "! contains(toJSON(github.event.commits.*.message), '[skip-tests]')"
	steps:
	#----------------------------------------------
	# check-out repo and set-up python
	#----------------------------------------------
	- uses: actions/checkout@v3
	- uses: actions/setup-python@v4
	with:
	python-version: ${{ matrix.python-version }}
	#----------------------------------------------
	# ----- install & configure poetry -----
	#----------------------------------------------
	- name: Install and configure Poetry
	uses: snok/install-poetry@v1
	with:
	virtualenvs-create: true
	virtualenvs-in-project: true
	installer-parallel: true
	#----------------------------------------------
	# load cached venv if cache exists
	#----------------------------------------------
	- name: Load cached venv
	id: cached-poetry-dependencies
	uses: actions/cache@v3
	with:
	path: .venv
	key: venv-${{ runner.os }}-${{ hashFiles('**/poetry.lock') }}
	#----------------------------------------------
	# install dependencies if cache does not exist
	#----------------------------------------------
	- name: Install dependencies
	run: poetry install --without docs
	if: steps.cached-poetry-dependencies.outputs.cache-hit != 'true'
	#----------------------------------------------
	# run tests
	#----------------------------------------------
	- name: Run tests
	run: \|
	source .venv/bin/activate
	poetry run pytest --cov tests/

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