Discretization: Make some arguments optional. #216

	name: Run tests

	on:
	push:
	branches: [ master ]
	pull_request:
	branches: [ master ]

	jobs:
	build:
	strategy:
	matrix:
	os: [ubuntu-latest, macos-latest, windows-latest]
	python-version: [3.8, 3.x]

	runs-on: ${{ matrix.os }}

	steps:
	- uses: actions/checkout@v3

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

	- name: Install python dependencies
	run: \|
	python -m pip install --upgrade pip
	pip install flake8 pytest
	pip install -r requirements.txt

	- name: Install Linux dependencies
	run: \|
	sudo apt-get install openmpi-bin libopenmpi-dev
	pip install mpi4py
	pip install petsc petsc4py
	env:
	PETSC_CONFIGURE_OPTIONS: '--download-mumps --download-scalapack'
	if: matrix.os == 'ubuntu-latest'

	- name: Lint with flake8
	run: \|
	flake8 . --count --show-source --statistics

	- name: Clone JaDaPy
	uses: actions/checkout@v3
	with:
	repository: BIMAU/jadapy
	path: jadapy

	- name: Install JaDaPy
	run: \|
	cd jadapy
	pip install .

	- name: Test with pytest
	run: \|
	pytest -v -o console_output_style=classic tests

	- name: Run parallel tests
	run: \|
	mpiexec --oversubscribe -n 4 pytest -v -o console_output_style=classic tests
	if: matrix.os == 'ubuntu-latest'

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