improve unit test coverage #112

	# This workflow uses actions that are not certified by GitHub.
	# They are provided by a third-party and are governed by
	# separate terms of service, privacy policy, and support
	# documentation.
	#
	# See https://github.com/r-lib/actions/tree/master/examples#readme for
	# additional example workflows available for the R community.

	name: Run R CMD Check

	on:
	push:
	branches: [ "main" ]
	pull_request:
	branches: [ "main" ]
	workflow_dispatch:

	permissions:
	contents: read

	jobs:
	rcmdcheck:
	runs-on: ubuntu-latest
	strategy:
	matrix:
	r-version: ['release']

	steps:
	- uses: actions/checkout@v3

	- name: Install system dependencies for devtools
	run: \|
	sudo apt-get update -y
	sudo apt-get install -y libcurl4-openssl-dev libssl-dev libxml2-dev

	- name: Set up R ${{ matrix.r-version }}
	uses: r-lib/actions/setup-r@v2
	with:
	r-version: ${{ matrix.r-version }}
	use-public-rspm: true

	- name: Install dependencies
	run: \|
	install.packages("devtools")
	shell: Rscript {0}

	- name: Check
	run: devtools::check()
	shell: Rscript {0}

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