Create nox-testing.yml #1

	name: tests
	on:
	push:
	pull_request:
	workflow_dispatch:

	jobs:
	list_nox_test_sessions:
	runs-on: ubuntu-latest
	steps:
	# (other steps before this: checkout code, install python and nox...)

	- name: list all test sessions
	id: set-matrix
	run: echo "::set-output name=matrix::$(nox -s gha_list -- tests)"

	# save the list into the outputs
	outputs:
	matrix: ${{ steps.set-matrix.outputs.matrix }}

	run_all_tests:
	needs: list_nox_test_sessions
	strategy:
	fail-fast: false
	matrix:
	nox_session: ${{ fromJson(needs.list_nox_test_sessions.outputs.matrix) }}
	name: Run nox session ${{ matrix.nox_session }}
	runs-on: ubuntu-latest
	steps:
	# (other steps before this: checkout code, install python)
	- run: nox -s "${{ matrix.nox_session }}"

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