test: add tests then improve and fix some code #1

	name: actions bats test
	on: [push, pull_request]
	jobs:
	bats-test:
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v2
	- uses: actions/setup-node@v2
	- name: Run bacon tests by bats
	shell: 'script -q -e -c "bash {0}"' # work around tty issues
	env:
	TERM: linux # fix tput for tty issue work around
	run: \|
	sudo npm install -g bats
	bats test

	# bash-version:
	# strategy:
	# matrix:
	# version: ['4.4', '4', '5.0', '5.1', '5', 'latest']
	# runs-on: ubuntu-latest
	# steps:
	# - uses: actions/checkout@v2
	# - name: Run test on bash version ${{ matrix.version }}
	# shell: 'script -q -e -c "bash {0}"' # work around tty issues
	# run: \|
	# set -e
	# docker run -it "bash:${{ matrix.version }}" --version
	# time docker run -it -v "$PWD:/bacon" "bash:${{ matrix.version }}" bash -c "apk add --no-cache git ncurses && git clone https://github.com/bats-core/bats-core.git && cd bats-core && ./install.sh /usr/local && cd /bacon && bats --print-output-on-failure --tap test"

Provide feedback