ci: Switch from Travis CI to GitHub Actions #4

	---
	name: Tests

	on:
	pull_request: ~
	push:
	branches: [ main ]

	# Allow job to be triggered manually.
	workflow_dispatch:

	# Cancel in-progress jobs when pushing to the same branch.
	concurrency:
	cancel-in-progress: true
	group: ${{ github.workflow }}-${{ github.ref }}

	jobs:

	tests:

	runs-on: ${{ matrix.os }}
	strategy:
	fail-fast: true
	matrix:
	os: ["ubuntu-20.04"]
	python-version: ["3.6", "3.7", "3.8", "3.9"]

	env:
	OS: ${{ matrix.os }}
	PYTHON: ${{ matrix.python-version }}
	APIARY_URL: https://opsv31.docs.apiary.io/
	OPS_KEY: ${{ secrets.OPS_API_CONSUMER_KEY }}
	OPS_SECRET: ${{ secrets.OPS_API_CONSUMER_SECRET }}

	name: Python ${{ matrix.python-version }} on OS ${{ matrix.os }}
	steps:

	- name: Acquire sources
	uses: actions/checkout@v3

	- name: Set up Python
	uses: actions/setup-python@v4
	with:
	python-version: ${{ matrix.python-version }}
	architecture: x64
	cache: 'pip'
	cache-dependency-path: 'setup.py'

	- name: Setup project
	run: \|
	pip install -r requirements/test.txt

	- name: Run linter and software tests
	run: \|
	make test-ci

	- name: Upload coverage to Codecov
	uses: codecov/codecov-action@v3
	with:
	files: ./coverage.xml
	flags: unittests
	env_vars: OS,PYTHON
	name: codecov-umbrella
	fail_ci_if_error: false

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