Merge pull request #169 from spacetelescope/revert-167-master #90

	# GitHub Actions workflow for testing and continuous integration.

	name: CI

	on:
	push:
	pull_request:

	jobs:
	ci_tests:
	name: ${{ matrix.name }}
	runs-on: ${{ matrix.os }}
	strategy:
	matrix:
	include:

	- name: Python 3.8
	os: ubuntu-latest
	python: 3.8

	- name: Python 3.9
	os: ubuntu-latest
	python: 3.9

	- name: Python 3.9 Mac
	os: macos-latest
	python: 3.9

	- name: Python Long
	os: ubuntu-latest
	python: 3.9

	steps:
	- name: Checkout code
	uses: actions/checkout@v2
	with:
	fetch-depth: 0
	- name: Set up environment
	uses: conda-incubator/setup-miniconda@v2
	with:
	activate-environment: stips
	environment-file: environment.yml
	python-version: ${{ matrix.python }}
	auto-activate-base: false
	- name: Test with tox
	shell: bash -l {0}
	if: ${{ matrix.name != 'Python Long' }}
	run: \|
	tox -e test
	- name: Test slow tests with pytest
	shell: bash -l {0}
	if: ${{ matrix.name == 'Python Long' }}
	run: \|
	tox -e test-all

	docs_test:
	name: "docs_test"
	runs-on: ubuntu-latest
	steps:
	- name: Checkout code
	uses: actions/checkout@v2
	with:
	fetch-depth: 0
	- name: Set up environment
	uses: conda-incubator/setup-miniconda@v2
	with:
	activate-environment: stips
	environment-file: environment.yml
	python-version: 3.9
	auto-activate-base: false
	- name: Build Docs
	shell: bash -l {0}
	run: \|
	tox -e build_docs

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