ci: add pipeline with upstream libinjection integration #4

	name: CI

	on:
	push:
	branches: [ main ]
	pull_request:
	branches: [ main ]
	schedule:
	# Run weekly on Mondays at midnight UTC to catch upstream changes
	- cron: '0 0 * * 1'

	jobs:
	test:
	runs-on: ubuntu-latest
	permissions:
	contents: read
	strategy:
	fail-fast: false
	matrix:
	python-version: ['3.9', '3.10', '3.11', '3.12']

	steps:
	- uses: actions/checkout@v4

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

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

	- name: Install Python dependencies
	run: \|
	pip install --upgrade pip setuptools pytest

	- name: Clone upstream libinjection
	run: \|
	git clone --depth=1 https://github.com/libinjection/libinjection.git upstream

	- name: Copy upstream source files
	run: \|
	cp -f upstream/src/libinjection.h upstream/src/libinjection.c libinjection/

	- name: Create tests symlink for test_driver.py
	# test_driver.py resolves test files relative to ../tests from the repo root
	run: \|
	ln -s "$(realpath upstream/tests)" "$(realpath ..)/tests"

	- name: Generate words.py from upstream data
	run: \|
	python json2python.py < upstream/src/sqlparse_data.json > words.py

	- name: Generate SWIG wrapper
	run: \|
	swig -py3 -python -builtin -Wall -Wextra libinjection/libinjection.i

	- name: Build C extension in-place
	run: \|
	python setup.py build_ext --inplace

	- name: Run tests
	run: \|
	pytest test_driver.py -v

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