various updates - improve test suite #121

	name: format

	on:
	push:
	branches: [master]
	tags: '*'
	pull_request:

	concurrency:
	group: ${{ github.workflow }}-${{ github.head_ref \|\| github.run_id }}
	cancel-in-progress: true

	jobs:
	check:
	runs-on: ${{ matrix.os }}
	strategy:
	matrix:
	julia-version: ['1']
	julia-arch: [x64]
	os: [ubuntu-latest]
	steps:
	- uses: julia-actions/setup-julia@latest
	with:
	version: ${{ matrix.julia-version }}

	- uses: actions/checkout@v2
	- name: Install JuliaFormatter and format
	run: \|
	julia -e 'using Pkg; Pkg.add(PackageSpec(name="JuliaFormatter"))'
	julia -e 'using JuliaFormatter; format(["src", "test"], verbose=true)'
	- name: Format check
	run: \|
	julia -e '
	out = Cmd(`git diff --name-only`) \|> read \|> String
	if out == ""
	exit(0)
	else
	@error "Some files have not been formatted !!!"
	write(stdout, out)
	exit(1)
	end'

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