Setup ci tests #3

	name: Jest unit tests

	on:
	pull_request:
	types: [opened, synchronize]

	concurrency:
	group: jest-${{ github.ref }}
	cancel-in-progress: true

	jobs:
	jest:
	runs-on: ubuntu-latest
	env:
	CI: true
	steps:
	- name: Checkout
	uses: actions/checkout@v4

	- name: Remove version from package-lock.json
	run: jq 'del(.version, .packages[""].version)' package-lock.json > normalized-package-lock.json

	- name: Setup Node
	uses: actions/setup-node@v4
	with:
	node-version: 20
	cache: npm
	cache-dependency-path: normalized-package-lock.json

	- name: Cache node_modules
	id: cache-node-modules
	uses: actions/cache@v4
	with:
	path: node_modules
	key: ${{ runner.os }}-node-modules-${{ hashFiles('package-lock.json') }}

	- name: Run npm install
	if: steps.cache-node-modules.outputs.cache-hit != 'true'
	uses: nick-fields/retry@3f757583fb1b1f940bc8ef4bf4734c8dc02a5847
	with:
	timeout_minutes: 30
	max_attempts: 3
	command: npm ci

	- name: Get number of CPU cores
	id: cpu-cores
	uses: SimenB/github-actions-cpu-cores@31e91de0f8654375a21e8e83078be625380e2b18

	- name: Cache Jest cache
	id: cache-jest-cache
	uses: actions/cache@v4
	with:
	path: .jest-cache
	key: ${{ runner.os }}-jest

	- name: Run Jest tests
	run: NODE_OPTIONS="$NODE_OPTIONS --experimental-vm-modules" npx jest --silent --max-workers ${{ steps.cpu-cores.outputs.count }}

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