Add test code and Codecov integration #1

	# .github/workflows/ci.yml

	name: CI

	on: [push, pull_request]

	jobs:
	test:
	runs-on: ubuntu-latest

	steps:
	- name: Checkout code
	uses: actions/checkout@v2

	- name: Set up Python
	uses: actions/setup-python@v2
	with:
	python-version: '3.10'

	- name: Install dependencies
	run: \|
	python -m pip install --upgrade pip
	pip install -r requirements.txt
	pip install coverage

	- name: Run tests with coverage
	run: \|
	make test_with_coverage
	coverage report
	coverage xml

	- name: Upload coverage to Codecov
	uses: codecov/codecov-action@v2
	with:
	token: ${{ secrets.CODECOV_TOKEN }}
	file: coverage.xml
	flags: unittests
	name: codecov-umbrella
	fail_ci_if_error: true

Provide feedback