Modernize package configuration and update test workflow file #29

	name: Run tests

	on:
	push:
	branches:
	- main
	pull_request:

	jobs:
	test:
	runs-on: ubuntu-latest
	strategy:
	matrix:
	python-version: ["3.9", "3.10", "3.11", "3.12"]

	name: Set up Python ${{ matrix.python-version }}
	steps:
	- name: Checkout source
	- uses: actions/checkout@v4
	with:
	fetch-depth: 0

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

	- name: Install dev environment & flexitext
	shell: bash -l {0}
	run: \|
	python -m pip install --upgrade pip
	pip install .
	pip install .[dev]
	pip freeze

	- name: Run linters
	shell: bash -l {0}
	run: \|
	python -m black -l 100 flexitext --check
	echo "Success!"
	echo "Checking code style with pylint..."
	python -m pylint flexitext/

	- name: Run tests
	shell: bash -l {0}
	run: \|
	python -m pytest -vv --cov=flexitext --cov-report=term --cov-report=xml flexitext/tests
	env:
	PYTHON_VERSION: ${{ matrix.python-version }}

	- name: Upload coverage to Codecov
	uses: codecov/codecov-action@v1
	with:
	env_vars: OS,PYTHON
	name: codecov-umbrella
	fail_ci_if_error: false

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