Adding Ruff linter and formatting #81

	name: Tests and Lint

	on:
	# Trigger workflow on pull requests to the main branch
	pull_request:
	branches:
	- main
	# Trigger workflow on push to the main branch
	push:
	branches:
	- main

	jobs:
	tests:
	name: Run Unit Tests and Lint
	runs-on: ubuntu-22.04

	steps:
	# Step 1: Checkout the repository
	- name: Checkout code
	uses: actions/checkout@v4

	# Step 2: Set up Python
	- name: Set up Python
	uses: actions/setup-python@v5
	with:
	python-version: "3.12.4" # Use project’s Python version

	# Step 3: Install Poetry
	- name: Install Poetry
	uses: snok/install-poetry@v1
	with:
	version: 2.2.1
	virtualenvs-create: true
	virtualenvs-in-project: true

	- name: Verify Poetry install
	run: \|
	echo "PATH is: $PATH"
	which poetry
	poetry --version

	- name: Cache Poetry dependencies
	uses: actions/cache@v4
	with:
	path: \|
	~/.cache/pypoetry
	~/.cache/pip
	.venv
	key: poetry-${{ runner.os }}-${{ hashFiles('**/poetry.lock') }}
	restore-keys: \|
	poetry-${{ runner.os }}-

	# Step 5: Install dependencies
	- name: Install dependencies
	run: \|
	poetry install --with dev

	# Step 6: Run Tests
	- name: Run tests
	run: \|
	poetry run pytest -s --cov=biasanalyzer --cov-config=.coveragerc

	# Step 7: Run Ruff check
	- name: Run ruff
	run: poetry run ruff check .

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