Add CI for runner example #34

	# tox enviroments that run on both pull requests and merge to main
	name: ci

	on:
	push:
	branches: [main]
	pull_request:
	branches: [main]

	jobs:
	test:
	strategy:
	# fail-fast: false
	matrix:
	platform: [ubuntu-latest, macos-latest, windows-latest]
	python-version: [3.7, 3.8, 3.9, '3.10']
	# you can separate the tox-envs in different .yml files
	# see version 0.10.1
	# https://github.com/joaomcteixeira/python-project-skeleton/releases/tag/v0.10.1
	# below the list of tox envs that you wish to include in the matrix
	tox-envs: [docs, lint, build, test, pr]
	# workaround to ignore 'pr' when merging to main
	# see: https://github.community/t/how-to-conditionally-include-exclude-items-in-matrix-eg-based-on-branch/16853/6
	isMerge:
	- ${{ github.event_name == 'push' && github.ref == 'refs/heads/main' }}
	exclude:
	- isMerge: true
	tox-envs: pr

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

	steps:
	- uses: actions/checkout@v2

	- name: Set up Python ${{ matrix.python-version }}
	uses: actions/setup-python@v2
	with:
	python-version: ${{ matrix.python-version }}

	- name: Install dependencies
	run: \|
	python -m pip install --upgrade pip setuptools wheel
	pip install tox

	- name: unit tests
	run: tox -e ${{ matrix.tox-envs }}

	# from https://github.com/codecov/codecov-action
	- name: Upload coverage to Codecov
	if: matrix.tox-envs == 'test'
	uses: codecov/codecov-action@v2
	with:
	files: ./coverage.xml
	fail_ci_if_error: true
	verbose: true

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