Add test coverage badge. #5

	jobs:
	test:
	runs-on: ubuntu-latest
	permissions:
	contents: write # <-- REQUIRED: Allows the action to commit the badge SVG

	steps:
	- name: Checkout repository
	uses: actions/checkout@v4
	# Fetch history for commit step
	with:
	fetch-depth: 0 # IMPORTANT: Ensures full history for committing changes

	- name: Set up Python
	uses: actions/setup-python@v5
	with:
	python-version: '3.12'

	- name: Install dependencies and coverage
	run: \|
	python -m pip install --upgrade pip
	pip install -e .
	pip install coverage

	- name: Run tests and collect coverage
	run: coverage run --include="signifikante/*" -m unittest discover -s tests -v

	- name: Generate Coverage Badge 🖼️
	# This action reads the .coverage file and creates coverage.svg
	uses: tj-actions/coverage-badge-py@v2

	- name: Commit and Push Badge
	# Only commit the change if a badge file was created/updated
	uses: stefanzweifel/git-auto-commit-action@v5
	with:
	commit_message: 'CI: update coverage badge'
	files: coverage.svg

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