Add basic unit test #3

	name: 'Tests'

	on:
	push:
	branches: [ "master" ]
	pull_request:
	branches: [ "master" ]

	permissions:
	contents: read

	jobs:
	build:

	runs-on: ubuntu-latest

	name: "PHP ${{ matrix.php }}"

	strategy:
	fail-fast: false
	matrix:
	php: ["8.0", "8.1", "8.2"]

	steps:
	- uses: actions/checkout@v3

	- name: Setup PHP
	uses: shivammathur/setup-php@v2
	with:
	php-version: "${{ matrix.php }}"
	tools: composer-require-checker
	coverage: none

	- name: Validate composer.json and composer.lock
	run: composer validate --strict

	- name: Cache Composer packages
	id: composer-cache
	uses: actions/cache@v3
	with:
	path: vendor
	key: ${{ runner.os }}-php-${{ hashFiles('**/composer.lock') }}
	restore-keys: \|
	${{ runner.os }}-php-

	- name: Install dependencies
	run: composer install --prefer-dist --no-progress

	- name: Validate Filesystem skeleton
	run: vendor/bin/pds-skeleton validate

	- name: Check dependencies are properly required
	run: composer-require-checker check --config-file=composer-require-checker.json --ignore-parse-errors

	- name: Run test suite
	run: composer run-script test

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