name: ubuntu

on: [push, pull_request]

jobs:
  ruby-versions:
    uses: ruby/actions/.github/workflows/ruby_versions.yml@master
    with:
      engine: cruby
      min_version: 2.4

  test:
    needs: ruby-versions
    name: build (${{ matrix.ruby }} / ${{ matrix.os }})
    strategy:
      matrix:
        ruby: ${{ fromJson(needs.ruby-versions.outputs.versions) }}
        os: [ ubuntu-latest, macos-latest ]
        exclude:
          - os: macos-latest
            ruby: 2.4
          - os: macos-latest
            ruby: 2.5
    runs-on: ${{ matrix.os }}
    steps:
    - uses: actions/[email protected]
    - name: Set up Ruby
      uses: ruby/setup-ruby@v1
      with:
        ruby-version: ${{ matrix.ruby }}
    - name: Install system dependencies
      run: |
        sudo apt-get update
        sudo apt-get install -y libdb-dev
      if: matrix.os == 'ubuntu-latest'
    - name: Install dependencies
      run: bundle install --jobs 4 --retry 3
    - name: Run test
      run: rake test