name: CI

on: [push]

jobs:
  build:
    runs-on: ubuntu-latest
    name: Ruby ${{ matrix.ruby }} | Gemfile ${{ matrix.gemfile }}
    services:
      redis:
        image: redis
        ports:
        - 6379:6379
    strategy:
      matrix:
        ruby: ["2.6", "2.7", "3.0"]
        gemfile: [rails_5_2, rails_6_0, rails_edge]
        exclude:
          - ruby: "2.6"
            gemfile: rails_edge
          - ruby: "3.0"
            gemfile: rails_5_2
        include:
          - ruby: "3.1"
            gemfile: rails_edge
          - ruby: head
            gemfile: rails_edge
    env:
      BUNDLE_GEMFILE: gemfiles/${{ matrix.gemfile }}.gemfile
    steps:
    - name: Check out code
      uses: actions/checkout@v2
    - name: Set up Ruby ${{ matrix.ruby }}
      uses: ruby/setup-ruby@v1
      with:
        ruby-version: ${{ matrix.ruby }}
        bundler-cache: true
    - name: Start MySQL and create DB
      run: |
        sudo systemctl start mysql.service
        mysql -uroot -h localhost -proot -e "CREATE DATABASE job_iteration_test;"
    - name: Rubocop
      run: bundle exec rubocop
    - name: Ruby tests
      run: bundle exec rake test
      env:
        REDIS_HOST: localhost
        REDIS_PORT: ${{ job.services.redis.ports[6379] }}
    - name: Documentation correctly written
      run: bundle exec yardoc --no-output --no-save --no-stats --fail-on-warning