unit test to confirm no source dir modifications #409

	name: CI Tests

	on:
	push:
	pull_request:
	schedule:
	# Run every Monday at midnight
	- cron: "0 0 * * 1"
	workflow_dispatch:

	jobs:
	test:
	name: ${{ matrix.os }} (R ${{ matrix.r-version }})
	runs-on: ${{ matrix.os }}
	timeout-minutes: 60
	strategy:
	fail-fast: false
	matrix:
	include:
	- os: ubuntu-latest
	r-version: 'release'
	- os: macos-latest
	r-version: 'release'
	steps:
	- name: checkout repository
	uses: actions/checkout@v4
	with:
	fetch-depth: 1
	- name: If local, apt update
	if: ${{ (env.ACT \|\| false) && (matrix.os == 'ubuntu-latest')}}
	run: sudo apt update
	- name: Install Tidy Ubuntu
	if: matrix.os == 'ubuntu-latest'
	run: sudo apt install -y tidy
	- name: set up R
	uses: r-lib/actions/setup-r@v2
	with:
	r-version: ${{ matrix.r-version }}
	- uses: r-lib/actions/setup-pandoc@v2
	- uses: r-lib/actions/setup-tinytex@v2
	- uses: r-lib/actions/setup-r-dependencies@v2
	with:
	extra-packages: any::rcmdcheck, any::covr
	needs: check
	- uses: r-lib/actions/check-r-package@v2
	with:
	args: 'c("--as-cran")'
	error-on: '"warning"'
	check-dir: '"check"'
	upload-results: '"true"'
	upload-snapshots: '"true"'
	- name: upload coverage
	if: ${{ matrix.os == 'macos-latest' && matrix.r-version == 'release' }}
	shell: Rscript {0}
	run: covr::codecov(token = "${{ secrets.CODECOV_TOKEN }}")
	# https://github.community/t/is-it-possible-to-require-all-github-actions-tasks-to-pass-without-enumerating-them/117957/4?u=graingert
	all-successful:
	runs-on: ubuntu-latest
	needs: [test]
	steps:
	- name: Note that all tests succeeded
	run: echo "🎉"

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