Improve tooling #84

	name: Testing
	on:
	push:
	branches: [main]
	pull_request:
	branches: [main]
	env:
	GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
	jobs:
	test:
	name: Testing on
	runs-on: ${{ matrix.os }}
	strategy:
	matrix:
	python-version: ["3.12", "3.11", "3.10", 3.9, 3.8, pypy-3.9]
	os: ["ubuntu-22.04"]
	include:
	- os: "ubuntu-latest"
	python-version: 3.11
	steps:
	- uses: actions/checkout@v4
	- name: Set up Python
	uses: actions/setup-python@v4
	with:
	python-version: ${{ matrix.python-version }}
	- name: Cache packages
	uses: actions/cache@v3
	with:
	path: ~/.cache/pip
	key: ${{ runner.os }}-pip-${{ matrix.python-version }}-${{ hashFiles('requirements.txt') }}
	restore-keys: \|
	${{ runner.os }}-pip-${{ matrix.python-version }}-
	- name: pip version
	run: pip --version
	- name: Install dependencies
	run: python -m pip install tox
	- name: Run linting
	if: matrix.python-version == '3.9'
	run: tox -e lint
	# tests and coverage
	- name: Test
	run: tox -e test
	- name: Coverage
	run: coveralls --service=github

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