test: assert concat_newline() returns empty string #80

	# This workflow will install Python dependencies, run tests and lint with a variety of Python versions
	# For more information see: https://docs.github.com/en/actions/automating-builds-and-tests/building-and-testing-python

	name: build

	on:
	push:
	branches:
	- main
	- master
	pull_request:
	branches:
	- main
	- master

	env:
	GH_TOKEN: ${{ github.token }}

	jobs:
	lint:
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v4
	- name: Set up Python
	uses: actions/setup-python@v3
	with:
	python-version: 3.11
	- name: Lint
	uses: psf/black@stable
	with:
	options: "--check --verbose"
	use_pyproject: true
	test:
	runs-on: ubuntu-latest
	if: always()
	strategy:
	fail-fast: false
	matrix:
	python-version: ["3.11"]

	steps:
	- uses: actions/checkout@v4
	- name: Set up Python ${{ matrix.python-version }}
	uses: actions/setup-python@v5
	with:
	python-version: ${{ matrix.python-version }}
	cache: "pip"
	- name: Install dependencies
	run: \|
	python -m pip install .[dev,test] --upgrade pip
	- name: Test
	run: \|
	python -m pytest --cov ccbr_tools
	- uses: codecov/codecov-action@v4
	with:
	token: ${{ secrets.CODECOV_TOKEN }}

	build-status: # https://github.com/orgs/community/discussions/4324#discussioncomment-3477871
	runs-on: ubuntu-latest
	needs: [lint, test]
	if: always()
	steps:
	- name: Successful build
	if: ${{ !(contains(needs.*.result, 'failure')) }}
	run: exit 0
	- name: Failing build
	if: ${{ contains(needs.*.result, 'failure') }}
	run: exit 1

Provide feedback