Try out container matrix #68

	name: CI

	on:
	pull_request:
	branches:
	- main

	jobs:
	unit_tests:
	name: Unit Tests
	runs-on: ubuntu-latest
	strategy:
	matrix:
	container: ['ros:iron', 'ros:rolling']

	container: ${{ matrix.container }}

	steps:
	- name: Checkout
	uses: actions/checkout@v2

	- name: Setup python
	uses: actions/setup-python@v2
	# with:
	# python-version: ${{ matrix.python-version }}
	# architecture: x64

	- uses: actions/cache@v2
	with:
	path: ~/.cache/pip
	key: ${{ runner.os }}-pip-${{ hashFiles('**/setup.cfg') }}
	restore-keys: \|
	${{ runner.os }}-pip-

	- name: Install pip dependencies
	run: \|
	python -m pip install --upgrade --upgrade-strategy eager .[test]
	python -m pip freeze

	- name: Run tests
	run: py.test --verbose test

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