metabase/.github/workflows/loki.yml at ef3dd5e3c4021a8b283dffa8235bd06cb498294c · DataDog/metabase · GitHub

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name: Loki Visual Regression Testing

on: [pull_request]

jobs:
  files-changed:
    name: Check which files changed
    runs-on: ubuntu-22.04
    timeout-minutes: 3
    outputs:
      frontend_ci: ${{ steps.changes.outputs.frontend_ci }}
      frontend_sources: ${{ steps.changes.outputs.frontend_sources }}
      frontend_loki_ci: ${{ steps.changes.outputs.frontend_loki_ci }}
    steps:
      - uses: actions/checkout@v4
      - name: Test which files changed
        uses: dorny/paths-filter@v3.0.0
        id: changes
        with:
          token: ${{ github.token }}
          filters: .github/file-paths.yaml

  visual-test:
    needs: files-changed
    if: needs.files-changed.outputs.frontend_ci == 'true' || needs.files-changed.outputs.frontend_sources == 'true' || needs.files-changed.outputs.frontend_loki_ci == 'true'
    runs-on: ubuntu-latest
    services:
      docker:
        image: docker:19.03.12
        options: --privileged
        ports:
          - 2376:2376
        env:
          DOCKER_TLS_CERTDIR: /certs
        volumes:
          - /var/run/docker.sock:/var/run/docker.sock
          - /tmp/docker-certs:/certs/client

    steps:
      - name: Checkout Repository
        uses: actions/checkout@v4

      - name: Prepare frontend environment
        uses: ./.github/actions/prepare-frontend

      - name: Prepare back-end environment
        uses: ./.github/actions/prepare-backend
        with:
          m2-cache-key: "cljs"

      - name: Compile CLJS
        run: yarn build-pure:cljs

      - name: Build Storybook
        # We won't be able to use Storybook play's `userEvent` with production build
        # see https://github.com/storybookjs/storybook/issues/19758
        run: NODE_ENV=development yarn build-storybook

      - name: Serve Storybook
        run: yarn http-server storybook-static -p 6006 &
        shell: bash

      - name: Wait for Storybook to become available
        run: |
          echo "Waiting for Storybook to be served..."
          while ! curl --silent --fail http://localhost:6006; do
            sleep 5
            echo "Retrying..."
          done
          echo "Storybook is being served!"

      - name: Run Loki Visual Tests
        run: |
          yarn test-visual:loki

      - name: Generate Visual Report on Failure
        if: failure()
        run: yarn test-visual:loki-report

      - name: Upload Artifact
        id: artifact-upload-step
        if: failure()
        uses: actions/upload-artifact@v4
        with:
          name: loki-report
          include-hidden-files: true
          path: .loki/
          if-no-files-found: ignore