test

Enable `black` check in CI (#3231) #4569

	name: test
	'on':
	push:
	branches:
	- master
	pull_request:
	workflow_dispatch:
	concurrency:
	group: ${{ github.workflow }}-${{ github.head_ref \|\| github.run_id }}
	cancel-in-progress: true
	permissions:
	contents: read
	jobs:
	build:
	runs-on: ubuntu-latest
	strategy:
	fail-fast: false
	matrix:
	python-version: ['3.10', '3.11', '3.12', '3.13']
	steps:
	- uses: actions/checkout@v4
	- name: Set up Python ${{ matrix.python-version }}
	uses: actions/setup-python@v5
	with:
	python-version: ${{ matrix.python-version }}
	- name: Install poetry
	run: \|
	curl -sSL "https://install.python-poetry.org" \| python

	# Adding `poetry` to `$PATH`:
	echo "$HOME/.poetry/bin" >> $GITHUB_PATH
	- name: Install dependencies
	run: \|
	poetry config virtualenvs.in-project true
	poetry run pip install -U pip
	poetry install
	- name: Run tests
	run: make test
	- name: Check black
	run: \|
	# We ensure that WPS does not report
	# any issues after `black` is applied.
	poetry run black .
	poetry run flake8 .
	- name: Upload coverage to Codecov
	uses: codecov/codecov-action@v5
	with:
	files: ./coverage.xml
	token: ${{ secrets.CODECOV_TOKEN }}

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