circle.yml

version: 2

jobs:
  install_dependencies:
    docker:
      - image: circleci/node:8.9.4
    steps:
      - checkout

      - run:
          name: Huh
          command: echo "What"

      - restore_cache:
          key: dependency-cache-{{ .Branch }}-{{ checksum "yarn.lock" }}

      - run:
          name: Copy truffle config
          command: cp truffle.js.example truffle.js && ls

      - run: 
          name: Check yarn.lock md5 first
          command: md5sum yarn.lock

      - run:
          name: Yarn install
          command: yarn install --frozen-lockfile && echo "Yarn completed successfully"

      - run: 
          name: Check yarn.lock md5 second
          command: md5sum yarn.lock


      - save_cache:
          key: dependency-cache-{{ .Branch }}-{{ checksum "yarn.lock" }}
          paths:
            - ./node_modules

  test:
    docker:
      - image: circleci/node:8.9.4
    steps:
      - checkout

      - restore_cache:
          key: dependency-cache-{{ .Branch }}-{{ checksum "yarn.lock" }}

      - run:
          name: Copy truffle config
          command: cp truffle.js.example truffle.js && ls

      - run:
          name: Test suite
          command: bin/test

  verify_typings:
    docker:
      - image: circleci/node:8.9.4
    steps:
      - checkout

      - restore_cache:
          key: dependency-cache-{{ .Branch }}-{{ checksum "yarn.lock" }}

      - run:
          name: Copy truffle config
          command: cp truffle.js.example truffle.js && ls

      - run:
          name: Check that typings are in sync
          command: yarn generate && git diff --exit-code

  check_prettier:
    docker:
      - image: circleci/node:8.9.4

    steps:
      - checkout

      - restore_cache:
          key: dependency-cache-{{ .Branch }}-{{ checksum "yarn.lock" }}

      - run:
          name: Check for prettier violations
          command: bin/prettier && git diff --exit-code

workflows:
  version: 2
  build_and_test:
    jobs:
      - install_dependencies

      - test:
          requires:
            - install_dependencies

      - verify_typings:
          requires:
            - install_dependencies

      - check_prettier:
          requires:
            - install_dependencies