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

  lint: &lint
    run:
      name: Run linter, fix with `standardrb --fix` locally
      command: bundle exec standardrb

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

  "ruby-3-0":
    docker:
      - image: circleci/ruby:3.0
    steps:
      - checkout
      - ruby/install-deps
      - <<: *unit

  "lint":
    docker:
      - image: circleci/ruby:3.0
    steps:
      - checkout
      - ruby/install-deps
      - <<: *lint

workflows:
  version: 2
  build:
    jobs:
      - "ruby-2-5"
      - "ruby-2-6"
      - "ruby-2-7"
      - "ruby-3-0"
      - "lint"