Add more unit tests #1383

	name: premerge-cpu-check

	on:
	# code format check for pull requests and the dev branch
	push:
	branches:
	- dev
	pull_request:

	concurrency:
	# automatically cancel the previously triggered workflows when there's a newer version
	group: premerge-${{ github.event.pull_request.number \|\| github.ref }}
	cancel-in-progress: true

	jobs:
	premerge-cpu:
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v2
	- name: Set up Python 3.8
	uses: actions/setup-python@v2
	with:
	python-version: 3.8
	- name: cache weekly timestamp
	id: pip-cache
	run: \|
	echo "::set-output name=datew::$(date '+%Y-%V')"
	- name: cache for pip
	uses: actions/cache@v2
	id: cache
	with:
	path: ~/.cache/pip
	key: ${{ runner.os }}-pip-${{ steps.pip-cache.outputs.datew }}
	- name: Install dependencies
	run: \|
	python -m pip install --upgrade pip wheel
	python -m pip install -r requirements-dev.txt
	python -m pip install cffi && python -m pip install pipenv
	- name: check
	run: \|
	# clean up temporary files
	$(pwd)/runtests.sh --clean
	df -h
	bash $(pwd)/ci/run_premerge_cpu.sh changed
	shell: bash

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