Test

TST: add test for dxdt on axis 2 #12

	name: Test

	# Push/pull overlap if PR is from the same repo,
	# but pull_request is nec. for forks, etc.
	on: [push, pull_request]

	jobs:
	test:
	runs-on: ubuntu-latest
	strategy:
	matrix:
	python-version: ["3.7"]
	poetry-version: ["1.2.1"]

	steps:
	# ======
	# Checkout, set up python
	# ======
	- name: Check out
	uses: actions/checkout@v3
	- name: Set up Python ${{ matrix.python-version }}
	uses: actions/setup-python@v4
	with:
	python-version: ${{ matrix.python-version }}
	# ======
	# Install and configure poetry
	# ======
	- name: Load cached Poetry installation
	id: cached-poetry
	uses: actions/cache@v3
	with:
	path: ~/.local # the path depends on the OS
	key: poetry-${{ matrix.poetry-version }}
	- name: Install Poetry
	if: steps.cached-poetry.outputs.cache-hit != 'true'
	uses: snok/install-poetry@v1
	with:
	version: ${{ matrix.poetry-version }}
	virtualenvs-create: true
	virtualenvs-in-project: true
	# ======
	# Load cached venv if cache exists
	# Install dependencies if cache does not exist
	# ======
	- name: Load cached venv
	id: cached-poetry-dependencies-dev
	uses: actions/cache@v3
	with:
	path: .venv
	key: dev-${{ matrix.python-version }}-${{ matrix.poetry-version }}-${{ hashFiles('**/poetry.lock') }}
	- name: Install dependencies
	if: steps.cached-poetry-dependencies-dev.outputs.cache-hit != 'true'
	run: poetry install --no-interaction -E dev
	# ======
	# Run test suite
	# TODO: output code coverage, --cov=<project-dir> --cov-report=xml
	# https://github.com/marketplace/actions/install-poetry-action#codecov-upload
	# ======
	- name: Run tests
	run: poetry run pytest

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