version: 2
jobs:
  build:
    docker:
      - image: circleci/node:8.11-browsers
        environment:
          # Fix issue with selenium-server in containers.
          # See http://github.com/SeleniumHQ/docker-selenium/issues/87
          DBUS_SESSION_BUS_ADDRESS: /dev/null
    steps:
      - checkout

      - run: google-chrome --version

      - run:
          name: NPM Install
          command: |
            npm i
            cd testapp && npm i

      - save_cache:
          key: node_modules-{{ .Branch }}-{{ checksum "package-lock.json" }}
          paths:
            - "node_modules"
            - "testapp/node_modules"

      - run:
          name: Lint
          command: ./node_modules/.bin/gulp lint

      - run:
          name: Selenium Start
          background: true
          command: |
            ./node_modules/.bin/webdriver-manager update --versions.chrome=2.44
            ./node_modules/.bin/webdriver-manager start --versions.chrome=2.44

      - run:
          name: TestApp Start
          background: true
          command: |
            npm start

      # Seems like the new circleci container no longer permits packet introspection on lo, even for root.
      # - run:
      #    name: Extra tcp logging for BlockingProxy
      #    background: true
      #    command: sudo tcpdump -i lo 'tcp && dst localhost' -w $CIRCLE_ARTIFACTS/localdump.pcap

      - run:
          name: Test
          command: npm test