Add Monte Carlo SSA to key features and Statsmodels dependency #69

	name: Python Tests

	on:
	push:
	branches: [ "**" ]
	pull_request:
	branches: [ "**" ]
	workflow_dispatch:

	jobs:
	test:
	runs-on: ubuntu-latest
	strategy:
	fail-fast: false
	matrix:
	python-version: ["3.9", "3.10", "3.11", "3.12", "3.13"]

	steps:
	- uses: actions/checkout@v4

	- name: Set up Python ${{ matrix.python-version }}
	uses: actions/setup-python@v5
	with:
	python-version: ${{ matrix.python-version }}

	- name: Cache pip packages
	uses: actions/cache@v4
	with:
	path: ~/.cache/pip
	key: ${{ runner.os }}-py${{ matrix.python-version }}-pip-${{ hashFiles('requirements.txt', 'setup.py') }}
	restore-keys: \|
	${{ runner.os }}-py${{ matrix.python-version }}-pip-

	- name: Install package
	run: \|
	python -m pip install --upgrade pip
	# Install the package with all dependencies including optional ones
	pip install -e ".[test,full]"

	- name: Install system dependencies
	run: \|
	sudo apt-get update
	sudo apt-get install -y tk-dev python3-tk

	- name: Run tests
	env:
	PYTHONPATH: ${{ github.workspace }}
	run: \|
	# Create a directory for test results
	mkdir -p test-results
	# Run tests and generate coverage
	pytest tests/ -v \
	--ignore=tests/test_rssa.py \
	--cov=ssalib \
	--cov-report=term-missing:skip-covered \
	--cov-report=xml:test-results/coverage.xml \
	--junitxml=test-results/junit.xml

	- name: Upload test results
	if: always()
	uses: actions/upload-artifact@v4
	with:
	name: pytest-results-py${{ matrix.python-version }}
	path: \|
	test-results/
	# Using globs to ensure files exist
	**/.pytest_cache/
	**/.coverage
	if-no-files-found: warn

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