Unit tests, docs #27

	name: Unit Tests

	# Controls when the workflow will run
	on:
	# Triggers the workflow on push or pull request events
	push:
	pull_request:

	# Allows you to run this workflow manually from the Actions tab
	workflow_dispatch:

	jobs:
	build:

	runs-on: ubuntu-latest

	steps:
	- uses: actions/checkout@v4

	- name: Cache pip
	uses: actions/cache@v4
	with:
	path: ~/.cache/pip
	key: ${{ runner.os }}-pip-${{ hashFiles('**/requirements.txt') }}
	restore-keys: \|
	${{ runner.os }}-pip-

	- name: Cache PlatformIO
	uses: actions/cache@v4
	with:
	path: ~/.platformio
	key: ${{ runner.os }}-${{ hashFiles('**/lockfiles') }}

	- name: Set up Python
	uses: actions/setup-python@v5

	- name: Install PlatformIO
	run: \|
	python -m pip install --upgrade pip
	pip install --upgrade platformio

	- name: Run Unit Tests
	run: \|
	pio test -v -e megaatmega2560-Os-sim -e megaatmega2560-O3-sim
	env:
	PLATFORMIO_BUILD_FLAGS: -D EXTENDED_TEST_LEVEL=111

	- name: Run Unit Tests Small Text
	run: \|
	pio test -v -e megaatmega2560-Os-sim -e megaatmega2560-O3-sim
	env:
	PLATFORMIO_BUILD_FLAGS: -D AFD_SMALL_TEXT

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