test.yml

---
name: Screenshot Tests

on:
  workflow_dispatch:
    inputs:
      screenshots:
        description: 'Run screenshot tests (slow, requires Hugo build)'
        type: boolean
        default: true
      update-baselines:
        description: 'Re-record screenshot baselines and commit'
        type: boolean
        default: false

permissions:
  contents: write
  pull-requests: write

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

jobs:
  screenshots:
    name: Screenshot Tests
    if: ${{ inputs.screenshots || inputs.update-baselines }}
    runs-on: ubuntu-latest
    timeout-minutes: 20

    steps:
      - uses: actions/checkout@v7
        with:
          ref: ${{ github.head_ref || github.ref }}

      - uses: snap-diff/snap_diff-capybara/.github/actions/setup-ruby-and-dependencies@master
        with:
          ruby-version: '4.0'
          cache-apt-packages: true

      - uses: ./.github/actions/setup-hugo

      - name: Run screenshot tests
        if: ${{ !inputs.update-baselines }}
        run: bundle exec rake test
        env:
          SCREENSHOT_DRIVER: vips
          PRECOMPILED_ASSETS: '1'
          HUGO_DEFAULT_PATH: _dest/public-test

      - name: Record baselines
        if: ${{ inputs.update-baselines }}
        run: FORCE_SCREENSHOT_UPDATE=true bundle exec rake test
        env:
          SCREENSHOT_DRIVER: vips
          PRECOMPILED_ASSETS: '1'
          HUGO_DEFAULT_PATH: _dest/public-test

      - name: Commit updated baselines
        if: ${{ inputs.update-baselines }}
        run: |
          git config user.name "github-actions[bot]"
          git config user.email "github-actions[bot]@users.noreply.github.com"
          git add test/fixtures/screenshots/
          git diff --staged --quiet || git commit -m "chore: update screenshot baselines [ci skip]"
          git push

      - name: Upload screenshot report
        if: failure()
        uses: snap-diff/snap_diff-capybara/.github/actions/upload-screenshots@master
        with:
          name: screenshots
          report-path: test/fixtures/screenshots
          pr-comment: 'true'