name: Ruby

on:
  push:
    branches:
      - master
  pull_request: {}

jobs:
  test:
    runs-on: "ubuntu-latest"
    strategy:
      matrix:
        container_tag:
        - master-nightly-bionic
        - 2.6.5-bionic
        - 2.7.0-bionic
    container:
      image: rubylang/ruby:${{ matrix.container_tag }}
    steps:
    - uses: actions/checkout@v1
    - name: Install
      run: |
        ruby -v
        gem install bundler
        bundle install
    - name: Run test
      run: |
        bundle exec rake