version: 2.1
orbs:
  ruby: circleci/ruby@1.1.2
references:
  unit: &unit
    run:
      name: Run test suite
      command: bundle exec rspec spec/

jobs:
  "ruby-2-5":
    docker:
      - image: circleci/ruby:2.5
    steps:
      - checkout
      - ruby/install-deps
      - <<: *unit

  "ruby-2-6":
    docker:
      - image: circleci/ruby:2.6
    steps:
      - checkout
      - ruby/install-deps
      - <<: *unit

  "ruby-2-7":
    docker:
      - image: circleci/ruby:2.7
    steps:
      - checkout
      - ruby/install-deps
      - <<: *unit

workflows:
  version: 2
  build:
    jobs:
      - "ruby-2-5"
      - "ruby-2-6"
      - "ruby-2-7"