accessibility_test.yml

name: Accessibility
on:
  pull_request:
    branches: [main]
    types: [opened, synchronize]
env:
  BUILD_DIR: 'client/www/next-build'
jobs:
  accessibility:
    name: Runs axe accessibility testing on changed pages
    runs-on: ubuntu-latest
    steps:
      - name: Checkout branch
        uses: actions/checkout@9bb56186c3b09b4f86b1c65136769dd318469633 # v4.1.2 https://github.com/actions/checkout/commit/9bb56186c3b09b4f86b1c65136769dd318469633
      - name: Setup Node.js 20
        uses: actions/setup-node@60edb5dd545a775178f52524783378180af0d1f8 # 4.0.2 https://github.com/actions/setup-node/releases/tag/v4.0.2
        with:
          node-version: 20.x
      - name: Install dependencies
        run: yarn
      - name: Build
        run: yarn build
        env:
          NODE_OPTIONS: --max_old_space_size=4096
      - name: Get changed/new pages to run accessibility tests on
        uses: actions/github-script@60a0d83039c74a4aee543508d2ffcb1c3799cdea # v7.0.1 https://github.com/actions/github-script/commit/60a0d83039c74a4aee543508d2ffcb1c3799cdea
        id: pages-to-a11y-test
        with:
          github-token: ${{ secrets.GITHUB_TOKEN }}
          script: |
            const { getChangedPages } = require('./.github/workflows/scripts/check_for_changed_pages.js');
            return getChangedPages({github, context}, env.BUILD_DIR);
      - name: Run site
        run: | 
          python -m http.server 3000 -d ${{ env.BUILD_DIR }} &
          sleep 5
      - name: Run accessibility tests on changed/new MDX pages
        uses: actions/github-script@60a0d83039c74a4aee543508d2ffcb1c3799cdea # v7.0.1 https://github.com/actions/github-script/commit/60a0d83039c74a4aee543508d2ffcb1c3799cdea
        id: axeResults
        with:
          result-encoding: string
          script: |
            const { runAxe } = require('./.github/workflows/scripts/run_axe.js');
            const pages = ${{ steps.pages-to-a11y-test.outputs.result }}
            return await runAxe(pages)