tests

Add docs/.readthedocs.yml #42

	name: tests

	on:
	push:
	branches: [ develop ]
	pull_request:
	branches: [ develop ]

	jobs:
	build:

	runs-on: ubuntu-latest
	strategy:
	matrix:
	python-version: ["3.7", "3.8", "3.9", "3.10", "3.11"]

	steps:
	- uses: actions/checkout@v3
	- name: Set up Python ${{ matrix.python-version }}
	uses: actions/setup-python@v4
	with:
	python-version: ${{ matrix.python-version }}
	- name: Install dependencies
	run: \|
	python -m pip install --upgrade pip
	pip install .[tests]
	- name: Lint with flake8
	run: \|
	# stop the build if there are Python syntax errors or undefined names
	flake8 delphin --count --select=E9,F63,F7,F82 --show-source --statistics
	# exit-zero treats all errors as warnings. PEP-8 says 99 chars is a good width
	flake8 delphin --count --exit-zero --extend-ignore E221 --max-line-length=99 --statistics
	# E221 = whitespace before operator
	# disabled for now: --max-complexity=10
	- name: Test with pytest
	run: \|
	pytest .
	- name: Type-check with mypy
	run: \|
	mypy delphin --namespace-packages --explicit-package-bases --ignore-missing-imports

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