Add black formatter (#2) #5

	name: run tests and check coverage

	on: push

	jobs:
	build:
	runs-on: ubuntu-latest
	steps:
	- name: checkout repo content
	uses: actions/checkout@v2 # checkout the repository content

	- name: setup python
	uses: actions/setup-python@v4
	with:
	python-version: '3.10' # install the python version needed

	- name: install python packages
	run: \|
	python -m pip install --upgrade pip
	pip install -r requirements.txt

	- name: Check files using the black formatter
	uses: psf/black@stable
	id: action_black
	with:
	options: "."

	- name: commit files
	run: \|
	git config --local user.email "[email protected]"
	git config --local user.name "GitHub Action"
	git add -A
	git diff-index --quiet HEAD \|\| (git commit -a -m "code formatted" --allow-empty)

	- name: push changes
	uses: ad-m/[email protected]
	with:
	github_token: ${{ secrets.GITHUB_TOKEN }}
	branch: ${{ github.head_ref \|\| github.ref_name }}

	- name: run pytest
	id: test_step
	run: pytest tests

	- name: Fail workflow if tests were failed
	if: ${{ steps.test_step.outcome == 'failure' }}
	run: exit 1

	- name: run coverage
	id: test_cov_step
	run: \|
	coverage run -m pytest tests
	coverage report -m \| awk '/TOTAL/ {print ($4 > 70)}'

	- name: Fail workflow if test coverage score is below threshold
	if: ${{ steps.test_cov_step.outcome == 0 }}
	run: exit 1

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