version: 2

defaults: &defaults
  working_directory: ~/project/horse-generator
  docker:
    - image: circleci/node:8.9.1
    - image: circleci/mongo:3.4
    - image: redis:4.0.1

jobs:
  install:
    <<: *defaults
    steps:
      - checkout
      - restore_cache:
          keys:
            - v1-horse-generator-{{ .Branch }}-{{ checksum "package-lock.json" }}
            - v1-horse-generator-{{ .Branch }}-
            - v1-horse-generator-
      - run: npm install
      - save_cache:
          key: v1-horse-generator-{{ .Branch }}-{{ checksum "package-lock.json" }}
          paths:
            - node_modules/
      - persist_to_workspace:
          root: ~/project
          paths:
            - horse-generator

  lint:
    <<: *defaults
    steps:
      - attach_workspace:
          at: ~/project
      - run: npm run lint

  test-cover:
    <<: *defaults
    steps:
      - attach_workspace:
          at: ~/project
      - run: npm run test:cover
      - run:
         name: report coverage stats for non-PRs
         command: |
           if [[ -z $CI_PULL_REQUEST ]]; then
             cat ./coverage/lcov.info | ./node_modules/.bin/codecov
           fi

workflows:
  version: 2
  install-and-test:
    jobs:
      - install
      - lint:
          requires:
            - install
      - test-cover:
          requires:
            - install