config.yml

version: 2
aliases:
  - &restore-node-modules-cache
    keys:
      - v1-yarn-deps-{{ checksum "yarn.lock" }}

  - &restore-yarn-cache
    keys:
      - v1-yarn-cache

  - &save-node-modules-cache
    paths:
      - node_modules
    key: v1-yarn-deps-{{ checksum "yarn.lock" }}

  - &save-yarn-cache
    paths:
      - ~/.yarn-cache
    key: v1-yarn-cache

  - &artifact_babel
    path: ~/babel/packages/babel-standalone/babel.js

  - &artifact_babel_min
    path: ~/babel/packages/babel-standalone/babel.min.js

  - &artifact_env
    path: ~/babel/packages/babel-preset-env-standalone/babel-preset-env.js

  - &artifact_env_min
    path: ~/babel/packages/babel-preset-env-standalone/babel-preset-env.min.js

  - &test262_workdir
    working_directory: ~/babel/babel-test262-runner

  - &artifact_test262_tap
    path: ~/test262.tap

  - &artifact_test262_xunit
    path: ~/test-results

  - &artifact_test262_diff_tap
    path: ~/diff.tap

jobs:
  test:
    working_directory: ~/babel
    docker:
      - image: circleci/node:13
    steps:
      - checkout
      - restore-cache: *restore-yarn-cache
      - restore-cache: *restore-node-modules-cache
      - run: yarn --version
      - run: make test-ci-coverage
      # Builds babel-standalone with the regular Babel config
      - run: IS_PUBLISH=true make build
      # test-ci-coverage doesn't test babel-standalone, as trying to gather coverage
      # data for a JS file that's several megabytes large is bound to fail. Here,
      # we just run the babel-standalone test separately.
      - run: ./node_modules/.bin/jest packages/babel-standalone/test/
      - run: ./node_modules/.bin/jest packages/babel-preset-env-standalone/test/
      - store_artifacts: *artifact_babel
      - store_artifacts: *artifact_babel_min
      - store_artifacts: *artifact_env
      - store_artifacts: *artifact_env_min
      - save_cache: *save-node-modules-cache
      - save_cache: *save-yarn-cache
  test262:
    working_directory: ~/babel
    docker:
      - image: circleci/node:12
    steps:
      - checkout
      - run:
          name: Sync with latest master branch (only on PRs)
          command: |
            if [ -n "$CIRCLE_PULL_REQUEST" ]
            then
              git fetch origin refs/$CIRCLE_BRANCH/merge
              git checkout -qf FETCH_HEAD
            fi
      - restore-cache: *restore-yarn-cache
      - restore-cache: *restore-node-modules-cache
      - run:
          name: Build Babel
          command: BABEL_ENV=test make bootstrap
      - run:
          name: Link Babel
          command: |
            cd packages
            for package in */; do
              cd $package
              yarn link
              cd ..
            done
      - run:
          name: Setup Test Runner
          command: |
            git clone --recurse-submodules https://github.com/babel/babel-test262-runner
            cd babel-test262-runner
            yarn
            yarn add tap-mocha-reporter --dev
            curl -L https://github.com/stedolan/jq/releases/download/jq-1.5/jq-linux64 > jq
            chmod +x ./jq
            for package in ../packages/*/package.json; do
              yarn link $(./jq -j ".name" $package)
            done
            node lib/download-node
      - run:
          name: Run Test262
          command: node lib/run-tests I_AM_SURE | tee ~/test262.tap
          <<: *test262_workdir
      - store_artifacts: *artifact_test262_tap
      - run:
          name: Output Test262 results
          command: |
            cat ~/test262.tap | $(npm bin)/tap-mocha-reporter spec || true
          <<: *test262_workdir
      - run:
          name: Download master branch Test262 artifact
          command: node lib/download-master-artifact ~/master.tap
          <<: *test262_workdir
      - run:
          name: Compare previous master branch & current job results
          command: |
            mkdir -p ~/test-results/test262
            node lib/compare-results ~/master.tap ~/test262.tap | $(npm bin)/tap-merge | tee ~/diff.tap
          <<: *test262_workdir
      - store_artifacts: *artifact_test262_diff_tap
      - run:
          name: Output comparision results and report to CircleCI
          command: |
            mkdir -p ~/test-results/test262
            cat ~/diff.tap | $(npm bin)/tap-mocha-reporter xunit | tee ~/test-results/test262/results.xml
          <<: *test262_workdir
      - store_test_results: *artifact_test262_xunit

workflows:
  version: 2
  test:
    jobs:
      - test
      - test262