Fix color choice based on object ID #73

	name: tests

	on:
	push:
	branches:
	- main
	pull_request:
	branches:
	- main
	workflow_dispatch:

	jobs:
	test:
	name: ${{ matrix.platform }} py${{ matrix.python-version }}
	runs-on: ${{ matrix.platform }}
	strategy:
	matrix:
	platform: [ubuntu-latest, windows-latest, macos-latest]
	python-version: ['3.8', '3.9', '3.10']

	steps:
	- uses: actions/checkout@v3

	- name: Set up Python ${{ matrix.python-version }}
	uses: actions/setup-python@v4
	with:
	python-version: ${{ matrix.python-version }}

	# these libraries enable testing on Qt on linux
	- uses: tlambert03/setup-qt-libs@v1

	# strategy borrowed from vispy for installing opengl libs on windows
	- name: Install Windows OpenGL
	if: runner.os == 'Windows'
	run: \|
	git clone --depth 1 https://github.com/pyvista/gl-ci-helpers.git
	powershell gl-ci-helpers/appveyor/install_opengl.ps1

	# note: if you need dependencies from conda, considering using
	# setup-miniconda: https://github.com/conda-incubator/setup-miniconda
	# and
	# tox-conda: https://github.com/tox-dev/tox-conda
	- name: Install dependencies
	run: \|
	python -m pip install --upgrade pip
	python -m pip install setuptools tox tox-gh-actions

	# this runs the platform-specific tests declared in tox.ini
	- name: Test with tox
	uses: aganders3/headless-gui@v1
	with:
	run: python -m tox
	env:
	PLATFORM: ${{ matrix.platform }}

	- name: Coverage
	uses: codecov/codecov-action@v3

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