Read version info from `nf-core/demultiplex` version file #23

	name: Run tests
	on: [push, pull_request]
	jobs:
	run-tests:
	runs-on: ubuntu-20.04
	env:
	NXF_VER: 21.04.1
	NXF_ANSI_LOG: false
	steps:
	- name: Check out repository code
	uses: actions/checkout@v2

	- name: Cache singularity images
	uses: actions/cache@v2
	with:
	path: work/singularity
	key: singularity-${{ hashFiles('config/nextflow_config/singularity.config') }}
	restore-keys: singularity-

	- name: Install Singularity
	uses: eWaterCycle/setup-singularity@v7
	with:
	singularity-version: 3.8.3

	- name: Install Nextflow
	env:
	CAPSULE_LOG: none
	run: \|
	curl -s https://get.nextflow.io \| bash
	sudo mv nextflow /usr/local/bin/

	- name: Make Nextflow binary executable
	run: chmod +x /usr/local/bin/nextflow

	- name: Set up python
	uses: actions/setup-python@v2
	with:
	python-version: 3.9
	architecture: x64

	- name: Install test requirements
	run: pip install -r requirements-dev.txt

	- name: Run tests
	run: pytest tests

	- name: Run Black code formatting check
	run: black --check .

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