Add caching to testing workflow #22

	name: Continuous integration testing
	on:
	push:
	branches: [main]
	pull_request:
	branches: [main]
	jobs:
	test:
	name: Continuous integration tests
	runs-on: ubuntu-latest
	steps:

	- name: Check out repository
	uses: actions/checkout@v4

	- name: Install Python
	uses: actions/setup-python@v4
	with:
	python-version: '3.11'

	- name: Install Poetry
	uses: abatilo/actions-poetry@v2

	- name: Setup a local virtual environment (if no poetry.toml file)
	run: \|
	poetry config virtualenvs.create true --local
	poetry config virtualenvs.in-project true --local

	- name: Cache Python dependencies
	uses: actions/cache@v3
	with:
	path: ./.venv
	key: venv-${{ hashFiles('poetry.lock') }}

	- name: Install the project dependencies
	run: poetry install

	- name: Run the automated tests
	run: make test

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