update ci; add pixi #83

	name: Tests

	on:
	push:
	branches: [main]
	paths:
	- tests/*
	- pyflwdir/*
	- pyproject.toml
	pull_request:
	branches: [main]
	paths:
	- tests/*
	- pyflwdir/*
	- pyproject.toml


	jobs:
	build:
	defaults:
	run:
	shell: bash -l {0}
	strategy:
	fail-fast: false
	matrix:
	os: [ubuntu-latest]
	python-version: ['3.9', '3.10','3.11']
	runs-on: ubuntu-latest
	timeout-minutes: 30
	concurrency:
	group: ${{ github.workflow }}-${{ matrix.python-version }}-${{ github.ref }}
	cancel-in-progress: true
	steps:

	- uses: actions/checkout@v3

	- uses: actions/setup-python@v5
	id: pip
	with:
	# caching, see https://github.com/actions/setup-python/blob/main/docs/advanced-usage.md#caching-packages
	python-version: ${{ matrix.python-version }}
	cache: 'pip'
	cache-dependency-path: pyproject.toml

	# true if cache-hit occurred on the primary key
	- name: Cache hit
	run: echo '${{ steps.pip.outputs.cache-hit }}'

	# build environment with pip
	- name: Install pyflwdir
	run: \|
	pip install --upgrade pip
	pip install .[test]
	pip list

	# run test
	- name: Test
	run: \|
	python -m pytest --verbose --cov=pyflwdir --cov-report xml

	# upload coverage
	- uses: codecov/codecov-action@v3

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