# Run tests against supported Node versions, and (except for pull requests)
# against supported browsers.

version: 2.1

orbs:
  node: circleci/node@3.0.0

executors:
  node14:
    docker:
      - image: circleci/node:14
    working_directory: ~/workspace
  node12:
    docker:
      - image: circleci/node:12
    working_directory: ~/workspace
  node10:
    docker:
      - image: circleci/node:10
    working_directory: ~/workspace

jobs:
  build:
    parameters:
      executor:
        type: executor
    executor: << parameters.executor >>
    steps:
      - checkout
      - run:
          name: Report Node and NPM versions
          command: echo "Using Node $(node --version) and NPM $(npm --version)"
      - run:
          name: Install dependencies
          command: npm install
      - run:
          name: Build
          command: npm run build
      - persist_to_workspace:
          root: .
          paths:
            - .

  test_node: &test_node
    parameters:
      executor:
        type: executor
    executor: << parameters.executor >>
    steps:
      - attach_workspace:
          at: .
      - run:
          name: Run tests
          command: npm test

  # Warning: Sometimes takes a very long time (>25 minutes) on Circle.
  # Probably not a good idea to run it from anything but a nightly.
  test_node_with_long_property_tests:
    <<: *test_node
    environment:
      JASMINE_LONG_PROPERTY_TESTS: y

  test_browsers:
    executor: node14
    steps:
      - attach_workspace:
          at: .
      - run:
          name: Install Sauce Connect
          command: |
            cd /tmp
            curl https://saucelabs.com/downloads/sc-4.6.4-linux.tar.gz | tar zxf -
            chmod +x sc-4.6.4-linux/bin/sc
            mkdir ~/workspace/bin
            cp sc-4.6.4-linux/bin/sc ~/workspace/bin
            ~/workspace/bin/sc --version
      - run:
          name: Run tests
          command: |
            # Do everything in one step because Sauce Connect won't exit
            # cleanly if we kill it from a different step than it started in.

            export PATH=$PATH:$HOME/workspace/bin
            export SAUCE_TUNNEL_IDENTIFIER=$CIRCLE_BUILD_NUM
            scripts/start-sauce-connect sauce-pidfile
            set +o errexit
            scripts/run-all-browsers
            exitcode=$?
            set -o errexit
            scripts/stop-sauce-connect $(cat sauce-pidfile)
            exit $exitcode

workflows:
  version: 2
  cron:
    triggers:
      - schedule:
          # The choice of hour is somewhat load-bearing. test_browser currently
          # tends to fail if there are other Sauce tunnels open. So we only
          # run it at a time when that's unlikely.
          # Times are UTC.
          cron: "0 10 * * *"
          filters:
            branches:
               only:
                 - main
                 - "3.99"
                 - "4.0"
    jobs:
      - build:
          executor: node14
          name: build_node_14
      - build:
          executor: node12
          name: build_node_12
      - build:
          executor: node10
          name: build_node_10
      - test_node_with_long_property_tests:
          executor: node14
          requires:
             - build_node_14
      - test_node:
          executor: node12
          name: test_node_12
          requires:
             - build_node_12
      - test_node:
          executor: node10
          name: test_node_10
          requires:
             - build_node_10
      - test_browsers:
          requires:
             - build_node_14
          filters:
            branches:
              ignore: /pull\/.*/ # Don't run on pull requests.
  push:
    jobs:
      - build:
          executor: node14
          name: build_node_14
      - build:
          executor: node12
          name: build_node_12
      - build:
          executor: node10
          name: build_node_10
      - test_node:
          executor: node14
          name: test_node_14
          requires:
             - build_node_14
      - test_node:
          executor: node12
          name: test_node_12
          requires:
             - build_node_12
      - test_node:
          executor: node10
          name: test_node_10
          requires:
             - build_node_10
      - test_browsers:
          requires:
             - build_node_14
          filters:
            branches:
              ignore: /pull\/.*/ # Don't run on pull requests.