Add unit tests for init #26

	---
	name: tox

	concurrency:
	group: ${{ github.workflow }}-${{ github.event.pull_request.number \|\| github.ref }}
	cancel-in-progress: true

	on:
	pull_request:

	jobs:
	pre:
	name: pre
	runs-on: ubuntu-22.04
	outputs:
	matrix: ${{ steps.generate_matrix.outputs.matrix }}
	steps:
	- name: Determine matrix
	id: generate_matrix
	uses: coactions/dynamic-matrix@v1
	with:
	min_python: "3.9"
	max_python: "3.11"
	default_python: "3.11"
	other_names: lint

	tox:
	name: ${{ matrix.name }} / python ${{ matrix.python_version }}
	runs-on: ubuntu-20.04
	needs: pre
	strategy:
	fail-fast: false
	matrix: ${{ fromJson(needs.pre.outputs.matrix) }}

	steps:
	- uses: actions/checkout@v4
	with:
	fetch-depth: 0 # needed by setuptools-scm

	- name: Set up Python ${{ matrix.python_version }}
	uses: actions/setup-python@v4
	with:
	python-version: ${{ matrix.python_version }}

	- name: Install tox
	run: python3 -m pip install --upgrade "tox>=4.0.2"

	- name: Log Python info (${{ matrix.python_version }})
	run: \|
	command -v python
	python --version --version
	python3 -m pip freeze --all

	- name: "tox -e ${{ matrix.passed_name }}"
	continue-on-error: ${{ matrix.devel \|\| false }}
	run: python3 -m tox -e ${{ matrix.passed_name }}

	tox_passed:
	needs: tox
	runs-on: ubuntu-latest
	steps:
	- run: >-
	python -c "assert set([
	'${{ needs.tox.result }}',
	]) == {'success'}"

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