version: 2

references:

  container_config: &container_config
    docker:
      - image: circleci/node:8

  repo_cache_key: &repo_cache_key
    v1-repo-{{ .Branch }}-{{ .Revision }}

  restore_repo: &restore_repo
    restore_cache:
      keys:
        - *repo_cache_key

  cache_repo: &cache_repo
    save_cache:
      key: v1-repo-{{ .Branch }}-{{ .Revision }}
      paths:
        - .

  npm_cache_key: &npm_cache_key
    v1-dependency-npm-{{ checksum "package-lock.json" }}

  restore_node_modules: &restore_node_modules
    restore_cache:
      keys:
        - *npm_cache_key

  cache_node_modules: &cache_node_modules
    save_cache:
      key: *npm_cache_key
      paths:
        - ./node_modules
jobs:
  build:
    <<: *container_config
    steps:
      - *restore_repo
      - checkout
      - *restore_node_modules
      - run:
          name: Install Dependencies
          command: npm install
      - *cache_node_modules
      - *cache_repo

  validate_js:
    <<: *container_config
    steps:
      - *restore_repo
      - run:
          name: Validate JS formatting
          command: "npm run lint"

  validate_vcl:
    <<: *container_config
    steps:
      - *restore_repo
      - run:
          name: Validate VCL
          command: "npm run deploy-vcl -- --dryRun"

  test_node:
    <<: *container_config
    steps:
      - *restore_repo
      - run:
          name: Test server JS
          command: "npm run test-node && npm run test-node-unit && npm run test-integration"

  test_polyfills:
    <<: *container_config
    steps:
      - *restore_repo
      - run:
          name: Install Alpine dependencies
          command: sudo curl -L -o /usr/bin/jq https://github.com/stedolan/jq/releases/download/jq-1.5/jq-linux32
      - run:
          name: Test polyfills
          command: ".circleci/do-exclusively.sh npm run test-browser-ci"

  test_vcl:
    <<: *container_config
    steps:
      - *restore_repo
      - run:
          name: Test vcl
          command: "npm run test-vcl"

  check_dependencies:
    <<: *container_config
    steps:
      - *restore_repo
      - run:
          name: Check Dependencies conform with the WhiteSource policy
          command: "npm run whitesource"

workflows:
  version: 2
  test:
    jobs:
      - build

      - validate_js:
          requires:
            - build

      - validate_vcl:
          requires:
            - build

      - test_node:
          requires:
            - build

      - test_polyfills:
          requires:
            - build

      - test_vcl:
          requires:
            - build

      - check_dependencies:
          requires:
            - build