Tests

Fix version for black formatter #7

	name: Tests

	on: push

	jobs:
	test:
	runs-on: ubuntu-latest

	# strategy:
	# matrix:
	# python-versions: ['3.7', '3.8', '3.9', '3.10']

	steps:
	- name: Set up Git repository
	uses: actions/checkout@v4
	with:
	# unfortunately we need to fetch all tags for version.py to work
	fetch-depth: 0

	- name: Fetch all Git tags
	# this is necessary for version.py because git describe does not work on a shallow clone:
	# https://stackoverflow.com/q/66349002/859591
	run: git fetch -a

	- uses: actions/setup-python@v5
	with:
	python-version: '3.10'
	cache: 'pip' # caching pip dependencies

	- name: Install syfop and dependencies
	run: \|
	sudo apt-get install graphviz graphviz-dev # for pygraphviz
	python -m pip install --upgrade pip
	python -m pip install -e .[dev,test,extra]

	- name: Lint with flake8
	run: flake8

	- name: Lint with black
	run: black --check .

	- name: Run unit tests (except the ones using Gurobi and CPLEX)
	run: python -m pytest --cov=. --cov-report=lcov -k "not gurobi and not cplex" tests

	- name: Coveralls test coverage
	uses: coverallsapp/github-action@master
	with:
	github-token: ${{ secrets.GITHUB_TOKEN }}
	path-to-lcov: coverage.lcov

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