npm-published-simulation.yml

# Instead of waiting for Yari to be published to npmjs.com and be upgraded
# inside mdn/content by Dependabot, we do all those steps here using `npm pack`.

name: NPM Publish simulation

on:
  pull_request:
    branches:
      - main

jobs:
  build:
    runs-on: ubuntu-latest

    steps:
      - uses: actions/checkout@v3

      - uses: actions/checkout@v3
        with:
          repository: mdn/content
          path: mdn/content

      - name: Setup Node.js environment
        uses: actions/setup-node@v3
        with:
          node-version: "16"
          cache: "yarn"

      - name: Cache node_modules
        uses: actions/cache@v3
        id: cached-node_modules
        with:
          path: |
            node_modules
          key: ${{ runner.os }}-${{ hashFiles('yarn.lock') }}-${{ hashFiles('.github/workflows/npm-published-simulation.yml') }}

      - name: Install all yarn packages
        if: steps.cached-node_modules.outputs.cache-hit != 'true'
        run: yarn --frozen-lockfile

      - name: Setup kernel for react native, increase watchers
        run: |
          # When running Yari on Linux, you might get the
          # "Error: ENOSPC: System limit for number of file watchers reached" error.
          # This, resolves that.
          # Source https://github.com/expo/expo-github-action/issues/20#issuecomment-541676895
          echo fs.inotify.max_user_watches=524288 | sudo tee -a /etc/sysctl.conf && sudo sysctl -p

      - name: Prepare to build
        env:
          # The following env vars is what we do in npm-publish.yml
          # Each variable set is documented there.

          REACT_APP_CRUD_MODE: true
          REACT_APP_DISABLE_AUTH: true
          CONTENT_ROOT: testing/content/files
        run: |
          yarn build:prepare

      - name: Build and install tarball
        run: |
          echo mdn/content/ >> .npmignore
          npm pack
          TARBALL=`ls mdn-yari-*.tgz`
          echo $TARBALL
          ls -lh $TARBALL
          mv $TARBALL mdn/content/
          cd mdn/content
          yarn add file:$TARBALL

      - name: (mdn/content) yarn yari-build --help
        working-directory: mdn/content
        run: yarn yari-build --help

      - name: (mdn/content) yarn yari-filecheck --help
        working-directory: mdn/content
        run: yarn yari-filecheck --help

      - name: (mdn/content) yarn yari-tool
        working-directory: mdn/content
        run: yarn yari-tool --help

      - name: (mdn/content) yarn start
        working-directory: mdn/content
        run: yarn start > /tmp/stdout.log 2> /tmp/stderr.log &

      - name: View some URLs on localhost:5042
        run: |
          curl --retry-connrefused --retry 5 -I http://localhost:5042

          # Basically, test if it 200 OKs. If not, this'll exit non-zero.
          curl http://localhost:5042/en-US/ > /dev/null
          curl http://localhost:5042/en-US/docs/MDN/Kitchensink > /dev/null

      - name: Test viewing the dev server
        env:
          # When running Yari from within mdn/content it only starts 1 server;
          # the one on localhost:5042. No React dev server; the one
          # on localhost:3000.
          # Testing that dev server is not relevant or important in this context.
          DEVELOPING_SKIP_DEV_URL: true
        run: |
          yarn test:developing

      - name: SSR build a page
        working-directory: mdn/content
        run: |
          yarn build files/en-us/mdn/kitchensink/index.md

      - name: Debug server's stdout and stderr if tests failed
        if: failure()
        run: |
          echo "STDOUT..................................................."
          cat /tmp/stdout.log
          echo ""
          echo "STDERR..................................................."
          cat /tmp/stderr.log