update-snapshots.yml

name: Update E2E Snapshots

on:
  push:
    branches:
      - main
  pull_request:
    types: [ opened, synchronize, labeled ]
  workflow_dispatch:

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

jobs:

  oisy-backend-wasm:
    runs-on: ubuntu-24.04
    if: ${{ github.event_name != 'pull_request' || contains(github.event.pull_request.labels.*.name, 'run-e2e-snapshots') }}
    steps:
      - name: Checkout
        if: ${{ github.event_name != 'pull_request' }}
        uses: actions/checkout@v4

      - name: Checkout for pull request
        if: ${{ github.event_name == 'pull_request' }}
        uses: actions/checkout@v4
        with:
          repository: ${{ github.event.pull_request.head.repo.full_name }}
          ref: ${{ github.event.pull_request.head.ref }}
          token: ${{ secrets.GIX_CREATE_PR_PAT }}
      
      - name: Build oisy-backend WASM
        uses: ./.github/actions/oisy-backend

  update_snapshots:
    runs-on: ${{ matrix.os }}
    needs: oisy-backend-wasm
    strategy:
      matrix:
        os: [ubuntu-24.04, macos-14]
    if: ${{ github.event_name != 'pull_request' || contains(github.event.pull_request.labels.*.name, 'run-e2e-snapshots') }}
    
    steps:

      - name: Fail if branch is main
        if: ${{ github.event_name == 'workflow_dispatch' && github.ref == 'refs/heads/main' }}
        run: |
          echo "This workflow should not be triggered with workflow_dispatch on main"
          exit 1

      - name: Create GitHub App Token
        uses: actions/create-github-app-token@v1
        id: app-token
        with:
          app-id: ${{ vars.PR_AUTOMATION_BOT_PUBLIC_APP_ID }}
          private-key: ${{ secrets.PR_AUTOMATION_BOT_PUBLIC_PRIVATE_KEY }}

      - name: Checkout
        if: ${{ github.event_name != 'pull_request' }}
        uses: actions/checkout@v4

      - name: Checkout for pull request
        if: ${{ github.event_name == 'pull_request' }}
        uses: actions/checkout@v4
        with:
          repository: ${{ github.event.pull_request.head.repo.full_name }}
          ref: ${{ github.event.pull_request.head.ref }}
          token: ${{ steps.app-token.outputs.token }}

      - name: Download WASM artifact
        uses: actions/download-artifact@v4
        with:
          name: backend.wasm.gz

      - name: Prepare macOS
        if: runner.os == 'macOS'
        uses: ./.github/actions/prepare-macos
        
      - name: Set Environment Variables
        run: echo "VITE_ETHERSCAN_API_KEY=${{ secrets.VITE_ETHERSCAN_API_KEY_E2E }}" >> $GITHUB_ENV

      - name: Deploy the backend
        uses: ./.github/actions/deploy-backend

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

      - name: Run Playwright tests
        run: npm run e2e:snapshots

      - name: Commit Playwright updated snapshots
        uses: EndBug/add-and-commit@v9
        if: ${{ github.ref != 'refs/heads/main' }}
        with:
          add: e2e
          default_author: github_actions
          message: "🤖 Update E2E snapshots"

      - name: Stage Changes
        if: github.ref == 'refs/heads/main'
        run: git add .

      - name: Check for Changes
        if: github.ref == 'refs/heads/main'
        run: |
          if ! git diff --cached --quiet; then
            echo "CHANGES_DETECTED=true" >> $GITHUB_ENV
            MODIFIED_FILES=$(git diff --cached --name-only)
            echo "MODIFIED_FILES<<EOF" >> $GITHUB_ENV
            echo "$MODIFIED_FILES" >> $GITHUB_ENV
            echo "EOF" >> $GITHUB_ENV
          fi

      - name: Create Pull Request (if changes and on main)
        if: github.ref == 'refs/heads/main' && env.CHANGES_DETECTED == 'true'
        uses: ./.github/actions/create-pr
        with:
          token: ${{ secrets.GIX_CREATE_PR_PAT }}
          branch: bot-e2e-update-snapshots
          title: 'chore(e2e): Update Playwright E2E Snapshots'
          body: |
            The following E2E snapshots have been updated:
            ```
            ${{ env.MODIFIED_FILES }}