name: Test

on:
  push:
    branches: [ main, next, update-ci ]
  pull_request:
    branches: [ main ]

jobs:
  test:
    env:
      BUNDLE_GEMFILE: test/gemfiles/${{ matrix.gemfile }}.gemfile
    
    runs-on: ${{ matrix.os }}

    steps:
    - uses: actions/checkout@v2

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

    - name: Run tests with ${{ matrix.gemfile }}
      run: bundle exec rake

    strategy:
      matrix:
        exclude:
        - ruby-version: '3.0'
          gemfile: jekyll36
        - ruby-version: '3.0'
          gemfile: jekyll37

        gemfile: [ jekyll36, jekyll37, jekyll38, jekyll39, jekyll40, jekyll41, jekyll42 ]
        os: [ ubuntu-latest ]
        ruby-version: [ 2.6, 2.7, '3.0' ]