validate.yml

name: Test

on:
  push:
    branches: [ master, main ]
  pull_request:
    branches: [ master, main ]
  workflow_dispatch:

concurrency:
  group: ${{ github.ref }}
  cancel-in-progress: true

jobs:
  build:
    runs-on: ubuntu-latest
    name: Build Jekyll site for testing

    steps:
    - uses: actions/checkout@v2

    - name: Build the site in the Jekyll/builder container
      run: |
        docker run \
        -v ${{ github.workspace }}:/srv/jekyll -v ${{ github.workspace }}/_site:/srv/jekyll/_site \
        jekyll/builder:latest /bin/bash -c "chmod -R 777 /srv/jekyll && jekyll build --future"

    - name: List result of Jekyll build
      run: |
        ls _site/ -l
        ls _site/assets -l

    # - name: Copy assets
    # run: cp -r assets _site/assets

    - name: Publish built site
      uses: actions/upload-artifact@v2
      with:
        name: Built site ${{ github.run_number }}
        path: ./_site
        if-no-files-found: error

  validate:

    runs-on: ubuntu-latest
    name: Validate HTML
    needs: [build]

    steps:
    - name: Fetch built site
      uses: actions/download-artifact@v2
      with:
        name: Built site ${{ github.run_number }}
        path: ./_site

    - name: HTML5 Validator
      uses: Cyb3r-Jak3/html5validator-action@v7.1.1
      with:
        root: _site/
        skip_git_check: true

  check-links:

    runs-on: ubuntu-latest
    name: Check links
    needs: [build]

    steps:
    - name: Fetch built site
      uses: actions/download-artifact@v2
      with:
        name: Built site ${{ github.run_number }}
        path: ./_site

    - name: Install link check dependencies
      run: pip install pytest-check-links

    # TODO: we are not checking absolute links as pytest plugins does not support them
    - name: Check links
      run: |
        pytest _site/ --check-links \
           --check-links-ignore "https://.*linkedin.com/.*" \
           --check-links-ignore "/" \
           --check-links-ignore "https://www.nyu.edu/" \
           --check-links-ignore ".github/images/netlify-preview.png" \
           --check-links-ignore ".*help.medium.com.*" \
           --check-links-ignore "https://twitter.com/.*" \
           --check-links-ignore "https://jupytercon.com" \
           --check-links-ignore "https://www.netapp.com" \
           --check-links-ignore "https://github.com/[^/]+/?$"   # 429 too many requests checking GitHub user profiles in about.html

  lighthouse:

    runs-on: ubuntu-latest
    name: Audit with Lighthouse
    needs: [build]

    steps:
      - name: Fetch repository for `lighthouserc.json`
        uses: actions/checkout@v2
      - name: Fetch built site
        uses: actions/download-artifact@v2
        with:
          name: Built site ${{ github.run_number }}
          path: ./_site
      - name: Audit with Lighthouse
        uses: treosh/lighthouse-ci-action@v10
        with:
          configPath: ".github/workflows/lighthouserc.json"
          temporaryPublicStorage: true
          uploadArtifacts: true
          # Multiple runs for more stable results. If builds are too slow, we can try to reduce this.
          runs: 4