Update README.md #29

	name: CI

	on:
	push:
	branches: [ "main", "master" ]
	pull_request:
	branches: [ "main", "master" ]

	jobs:
	build:
	runs-on: ubuntu-latest
	strategy:
	matrix:
	python-version: ["3.8", "3.9", "3.10", "3.11", "3.12"]

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

	# --- NEW: Cache dependencies ---
	- name: Get pip cache dir
	id: pip-cache
	run: \|
	echo "dir=$(pip cache dir)" >> $GITHUB_OUTPUT
	- name: Cache dependencies
	uses: actions/cache@v3
	with:
	path: ${{ steps.pip-cache.outputs.dir }}
	key: ${{ runner.os }}-pip-${{ hashFiles('**/pyproject.toml') }}
	restore-keys: \|
	${{ runner.os }}-pip-

	- name: Install dependencies
	run: \|
	python -m pip install --upgrade pip
	# Install black and ruff for linting/formatting
	pip install ".[test]" black ruff

	# --- NEW: Linter and Formatter Steps ---
	- name: Check formatting with Black
	run: \|
	black --check .
	- name: Lint with Ruff
	run: \|
	ruff check .

	- name: Test with pytest and generate coverage report
	run: \|
	# Add --cov to measure code coverage
	pytest --cov=upgrade_tool --cov-report=xml

	# --- NEW (Optional but Recommended): Upload coverage report ---
	- name: Upload coverage to Codecov
	uses: codecov/codecov-action@v3
	with:
	token: ${{ secrets.CODECOV_TOKEN }} # You need to set this secret in your repo
	file: ./coverage.xml

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