name: CI

on: [push, pull_request]

jobs:
  test:
    runs-on: ubuntu-18.04

    strategy:
      fail-fast: false
      matrix:
        ruby: [ '2.4', '2.5', '2.6', '2.7', '3.0' ]
        bundler: [ '1.17.3', '2.1.4' ]
        database: [ 'mysql', 'postgresql', 'sqlite' ]
        exclude:
          - ruby: '2.4'
            bundler: '2.1.4'
          - ruby: '2.5'
            bundler: '2.1.4'
          - ruby: '2.6'
            bundler: '2.1.4'
          - ruby: '2.7'
            bundler: '1.17.3'
          - ruby: '3.0'
            bundler: '1.17.3'

    services:
      postgres:
        image: postgres:10
        env:
          POSTGRES_USER: root
          POSTGRES_PASSWORD: gutentag
          POSTGRES_DB: test
        ports: ['5432:5432']
        # needed because the postgres container does not provide a healthcheck
        options: --health-cmd pg_isready --health-interval 10s --health-timeout 5s --health-retries 5

      mysql:
        image: mysql:5.7
        env:
          MYSQL_ROOT_PASSWORD: gutentag
          MYSQL_DATABASE: test
        ports: ['3306:3306']
        options: --health-cmd="mysqladmin ping" --health-interval=10s --health-timeout=5s --health-retries=3

    steps:
      - name: Check out code
        uses: actions/checkout@v2
      - name: Set up ruby
        uses: ruby/setup-ruby@v1
        with:
          ruby-version: ${{ matrix.ruby }}
          bundler: ${{ matrix.bundler }}
          bundler-cache: true

      - name: Set up Bundler
        run: |
          export BUNDLER_VERSION=${{ matrix.bundler }}
          export BUNDLE_PATH=$PWD/vendor/bundle

          gem update --system

          bundle _${{ matrix.bundler }}_ config set path $PWD/$BUNDLE_PATH
          bundle _${{ matrix.bundler }}_ install --jobs=4 --retry=3
          bundle _${{ matrix.bundler }}_ update
      - name: Set up Appraisal
        run: bundle exec appraisal update
      - name: Test
        env:
          CI: "true"
          DATABASE: ${{ matrix.database }}
          DB_USERNAME: root
          DB_PASSWORD: gutentag
          DB_HOST: 127.0.0.1
        run: bundle exec appraisal rspec

  rubocop:
    runs-on: ubuntu-18.04

    steps:
      - name: Check out code
        uses: actions/checkout@v2
      - name: Set up ruby
        uses: ruby/setup-ruby@v1
        with:
          ruby-version: 2.7
          bundler: 2.1.4
          bundler-cache: true
      - name: Rubocop
        run: bundle exec rubocop