Adds Rails matrix testing to ensure maximum compatibility #21

	name: CI

	on:
	pull_request:
	push:
	branches: [main]

	jobs:
	lint:
	runs-on: ubuntu-latest
	steps:
	- name: Checkout code
	uses: actions/checkout@v5

	- name: Set up Ruby
	uses: ruby/setup-ruby@v1
	with:
	ruby-version: ruby-3.4.5
	bundler-cache: true

	- name: Lint code for consistent style
	run: bundle exec rubocop -f github

	test:
	runs-on: ubuntu-latest
	strategy:
	fail-fast: false
	matrix:
	ruby-version: ["3.0", "3.1", "3.2", "3.3"]
	rails-version: ["rails-7-1", "rails-7-2", "rails-8-0"]
	exclude:
	# Rails 8 requires Ruby 3.1+
	- ruby-version: "3.0"
	rails-version: "rails-8-0"

	steps:
	- name: Install packages
	run: sudo apt-get update && sudo apt-get install --no-install-recommends -y build-essential git libyaml-dev pkg-config

	- name: Checkout code
	uses: actions/checkout@v5

	- name: Set up Ruby
	uses: ruby/setup-ruby@v1
	with:
	ruby-version: ${{ matrix.ruby-version }}
	bundler-cache: true

	- name: Generate Appraisal gemfiles
	run: bundle exec appraisal install

	- name: Run tests
	run: bundle exec appraisal ${{ matrix.rails-version }} rspec

	- name: Keep screenshots from failed system tests
	uses: actions/upload-artifact@v4
	if: failure()
	with:
	name: screenshots-${{ matrix.ruby-version }}-${{ matrix.rails-version }}
	path: ${{ github.workspace }}/tmp/screenshots
	if-no-files-found: ignore

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