Directly specify `fftlength` in config #564

	name: library tests

	on:
	pull_request:
	types:
	- opened
	- reopened
	- synchronize
	- ready_for_review
	push:
	branches:
	- main

	jobs:
	# first job users filters to output which libraries
	# and projects have updates that need testing
	changes:
	runs-on: ubuntu-latest
	outputs:
	libraries: ${{ steps.filter.outputs.changes }}
	steps:
	- uses: actions/checkout@v2
	- uses: dorny/paths-filter@v2
	id: filter
	with:
	filters: .github/lib-filters.yaml
	if: github.event.pull_request.draft == false

	# second job takes those outputs and runs
	# unit tests on these libs and projects
	tests:
	runs-on: ubuntu-latest
	needs: changes
	strategy:
	fail-fast: false # is this desired behavior here?
	matrix:
	library: ${{ fromJSON(needs.changes.outputs.libraries) }}
	exclude:
	# don't run non-existent .github/workflow tests,
	# and exclude projects, whose tests are run in
	# a different CI script
	- library: 'workflow'
	permissions:
	packages: read
	container:
	# container with python and git
	image: cicirello/pyaction:4.32
	volumes:
	- ${{ github.workspace }}:/github/workspace
	steps:
	- uses: actions/checkout@v2
	with:
	submodules: recursive

	# build the libraries environment
	-
	name: build environment
	env:
	test_dir: /github/workspace/libs/${{ matrix.library }}
	run: \|
	apt-get update
	apt-get install -y build-essential
	apt-get clean
	python -m pip install poetry
	cd $test_dir
	poetry install
	shell: bash

	# run its unit tests inside that environment
	-
	name: run tests
	env:
	test_dir: /github/workspace/libs/${{ matrix.library }}
	run: \|
	cd $test_dir
	poetry run pytest
	shell: bash

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