build: introduce poetry #10

	name: Run unit tests on every push

	on: [push, pull_request]

	jobs:
	test:
	name: Python ${{ matrix.python-version }} tests
	runs-on: ubuntu-20.04

	strategy:
	matrix:
	python-version: [3.6, 3.8]

	steps:
	- uses: actions/checkout@v2

	- name: Set up Python ${{ matrix.python-version }}
	uses: actions/setup-python@v1
	with:
	python-version: ${{ matrix.python-version }}

	- name: Cache pip
	uses: actions/cache@v1
	with:
	path: ~/.cache/pip
	key: ${{ runner.os }}-pip-${{ hashFiles('setup.py') }}
	restore-keys: \|
	${{ runner.os }}-pip-

	- name: Install dependencies (Python ${{ matrix.python-version }})
	run: \|
	python -m pip install --upgrade pip
	pip install typing cython setuptools>=18.0
	if [ -f requirements.txt ]; then pip install -r requirements.txt; fi

	- name: Run tests on Python ${{ matrix.python-version }}
	run: make test_local

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