name: Ruby CI

on:
  push:
    branches: [ master ]
  pull_request:
    branches: [ master ]

jobs:
  test:
    name: "Ruby ${{ matrix.ruby }}, Gemfile ${{ matrix.gemfile }}"
    runs-on: ubuntu-latest

    strategy:
      fail-fast: true
      matrix:
        ruby: ['3.1', '3.0', '2.7']
        gemfile: ['rails52', 'rails6', 'rails61', 'rails7']

    env: # $BUNDLE_GEMFILE must be set at the job level, so it is set for all steps
      BUNDLE_GEMFILE: ${{ github.workspace }}/gemfiles/${{ matrix.gemfile }}.gemfile
    steps:
      - uses: actions/checkout@v2
      - name: Set up Ruby ${{ matrix.ruby }}
        uses: ruby/setup-ruby@359bebbc29cbe6c87da6bc9ea3bc930432750108
        with:
          ruby-version: ${{ matrix.ruby }}
          bundler-cache: true
      - name: Run tests
        run: bundle exec rspec