on:
  - push
  - pull_request

jobs:
  build:
    name: "ruby ${{ matrix.combo.ruby }} / ${{ matrix.combo.gemfile }}"
    strategy:
      matrix:
        combo:
          # TODO: re-enable commented combos and expand the matrix to Ruby 3.1 and Rails 7+

          # - ruby: "3.0"
          #   gemfile: "rails_6_1"
          # - ruby: "2.7"
          #   gemfile: "rails_6_1"
          - ruby: "2.6"
            gemfile: "rails_6_1"
          - ruby: "2.5"
            gemfile: "rails_6_1"

          # - ruby: "2.7"
          #   gemfile: "rails_6_0"
          - ruby: "2.6"
            gemfile: "rails_6_0"
          - ruby: "2.5"
            gemfile: "rails_6_0"

          - ruby: "2.5"
            gemfile: "rails_5_2"

    runs-on: ubuntu-latest

    env:
      GEMFILE_PATH: gemfiles/${{ matrix.combo.gemfile }}.gemfile

    steps:
      - uses: actions/checkout@v2
      - uses: ruby/setup-ruby@v1
        with:
          ruby-version: ${{ matrix.combo.ruby }}
      - name: Setup project
        run: bin/setup
      - name: Run test
        run: "bundle exec rake"