CI: run on all three: ubuntu-latest, macos-latest, windows-latest #147

	name: Tests

	on:
	schedule:
	- cron: '42 9 * * 2' # At 9:42 UTC on Tuesday
	push:
	branches:
	- main
	pull_request:
	branches:
	- main

	jobs:
	tests:
	runs-on: ${{ matrix.os }}
	strategy:
	fail-fast: false
	matrix:
	os: [ubuntu-latest, macos-latest, windows-latest]
	# pick lower and upper versions only
	python-version: ["3.9", "3.12"]

	env:
	# Use a non-interactive matplotlib backend
	MPLBACKEND: Agg

	steps:
	- uses: actions/checkout@v4

	- name: Set up Python ${{ matrix.python-version }}
	uses: actions/setup-python@v5
	with:
	python-version: ${{ matrix.python-version }}
	cache: 'pip'
	cache-dependency-path: pyproject.toml

	- name: Install Modflow executables
	uses: modflowpy/install-modflow-action@v1

	- name: Install dependencies
	run: \|
	python -m pip install pip --upgrade --disable-pip-version-check
	pip install -e .[test]

	- name: Run tests with required packages
	run: pytest -v --cov

	# - name: Install PyQt5 for macOS
	# if: matrix.os == 'macos-latest'
	# run: pip install PyQt5

	- name: Run tests with optional packages
	run: \|
	pip install -e .[extra]
	pytest -v -n2 --cov --cov-append

	- name: Run doctest
	if: matrix.python-version == '3.12'
	run: \|
	pytest -v swn --doctest-modules

	- name: Run tests with older flopy and other packages
	if: matrix.python-version == '3.9'
	run: \|
	pip install "flopy<3.5" "pandas<2.0" "geopandas<1.0" "shapely<2.0" "numpy<2.0"
	pytest -v -n2 --cov --cov-append

	- name: Upload coverage reports to Codecov
	uses: codecov/codecov-action@v4
	with:
	fail_ci_if_error: true
	token: ${{ secrets.CODECOV_TOKEN }}

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