circle.yml

version: 2.1
executors:
  ruby_25:
    docker:
      - image: circleci/ruby:2.5-node
  ruby_26:
    docker:
      - image: circleci/ruby:2.6-node
  ruby_27:
    docker:
      - image: circleci/ruby:2.7-node

commands:
  setup:
    steps:
      - run:
          name: Update RubyGems
          command: |
            gem update --system
            gem --version
      - run:
          name: Install Bundler
          command: |
            gem install bundler
            bundler --version
            bundle config set path './vendor/bundle'
      - run:
          name: Install Depdendecies
          command: |
            bundle check || bundle install
  run_tests:
    steps:
      - run:
          name: Run Tests
          command: |
            bundle exec rake

jobs:
  test_core:
    parameters:
      stack:
        type: executor
        default: ruby_27
    executor: << parameters.stack >>
    steps:
      - checkout
      - setup
      - run_tests

workflows:
  core:
    jobs:
      - test_core:
          matrix:
            parameters:
              stack:
                - ruby_27
                - ruby_26
                - ruby_25