Add Hypothesis testing, wring out input parsing + canonicalisation #40

	name: Python package

	on: [push, pull_request]

	jobs:
	build:

	runs-on: ubuntu-latest
	strategy:
	matrix:
	python-version: ["3.9"]

	steps:
	- uses: actions/checkout@v3
	- name: Set up Python ${{ matrix.python-version }}
	uses: actions/setup-python@v4
	with:
	python-version: ${{ matrix.python-version }}
	- name: Install freefonts & symbola
	run: \|
	sudo apt-get -y install fonts-freefont-ttf fonts-symbola
	- name: Install dependencies
	run: \|
	python -m pip install --upgrade pip
	pip install ruff pytest
	if [ -f requirements.txt ]; then pip install -r requirements.txt; fi
	- name: Lint with ruff - syntax errors & undefined names
	run: \|
	# stop the build if there are Python syntax errors or undefined names
	ruff --select=E9,F63,F7,F82 PyRoute
	- name: Lint with ruff - configured options
	run: \|
	# now run configured options
	ruff check --preview PyRoute
	- name: Test with pytest
	run: \|
	pytest

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