name: End-to-end Tests

on:
  # The end-to-end test suite was introduced in WordPress 5.3.
  push:
    branches:
      - trunk
      - '5.[3-9]'
      - '[6-9].[0-9]'
    tags:
      - '[0-9]+.[0-9]'
      - '[0-9]+.[0-9].[0-9]+'
      - '![34].[0-9].[0-9]+'
      - '!5.[0-2].[0-9]+'
  pull_request:
    branches:
      - trunk
      - '5.[3-9]'
      - '[6-9].[0-9]'
  workflow_dispatch:

# Cancels all previous workflow runs for pull requests that have not completed.
concurrency:
  # The concurrency group contains the workflow name and the branch name for pull requests
  # or the commit hash for any other events.
  group: ${{ github.workflow }}-${{ github.event_name == 'pull_request' && github.head_ref || github.sha }}
  cancel-in-progress: true

env:
  LOCAL_DIR: build

jobs:
  # Runs the end-to-end test suite.
  #
  # Performs the following steps:
  # - Sets environment variables.
  # - Checks out the repository.
  # - Sets up Node.js.
  # - Logs debug information about the GitHub Action runner.
  # - Installs npm dependencies.
  # - Builds WordPress to run from the `build` directory.
  # - Starts the WordPress Docker container.
  # - Logs the running Docker containers.
  # - Logs Docker debug information (about both the Docker installation within the runner and the WordPress container).
  # - Install WordPress within the Docker container.
  # - Run the E2E tests.
  # - Ensures version-controlled files are not modified or deleted.
  e2e-tests:
    name: E2E Tests
    runs-on: ubuntu-latest
    timeout-minutes: 20
    if: ${{ github.repository == 'WordPress/wordpress-develop' || github.event_name == 'pull_request' }}

    steps:
      - name: Configure environment variables
        run: |
          echo "PHP_FPM_UID=$(id -u)" >> $GITHUB_ENV
          echo "PHP_FPM_GID=$(id -g)" >> $GITHUB_ENV

      - name: Checkout repository
        uses: actions/checkout@ac593985615ec2ede58e132d2e21d2b1cbd6127c # v3.3.0

      - name: Set up Node.js
        uses: actions/setup-node@64ed1c7eab4cce3362f8c340dee64e5eaeef8f7c # v3.6.0
        with:
          node-version-file: '.nvmrc'
          cache: npm

      - name: Log debug information
        run: |
          npm --version
          node --version
          curl --version
          git --version
          svn --version
          locale -a

      - name: Install npm Dependencies
        run: npm ci

      - name: Build WordPress
        run: npm run build

      - name: Start Docker environment
        run: |
          npm run env:start

      - name: Log running Docker containers
        run: docker ps -a

      - name: Docker debug information
        run: |
          docker -v
          docker-compose -v
          docker-compose run --rm mysql mysql --version
          docker-compose run --rm php php --version
          docker-compose run --rm php php -m
          docker-compose run --rm php php -i
          docker-compose run --rm php locale -a

      - name: Install WordPress
        run: npm run env:install

      - name: Run E2E tests
        run: npm run test:e2e

      - name: Ensure version-controlled files are not modified or deleted
        run: git diff --exit-code

  slack-notifications:
    name: Slack Notifications
    uses: WordPress/wordpress-develop/.github/workflows/slack-notifications.yml@trunk
    needs: [ e2e-tests ]
    if: ${{ github.repository == 'WordPress/wordpress-develop' && github.event_name != 'pull_request' && always() }}
    with:
      calling_status: ${{ needs.e2e-tests.result == 'success' && 'success' || needs.e2e-tests.result == 'cancelled' && 'cancelled' || 'failure' }}
    secrets:
      SLACK_GHA_SUCCESS_WEBHOOK: ${{ secrets.SLACK_GHA_SUCCESS_WEBHOOK }}
      SLACK_GHA_CANCELLED_WEBHOOK: ${{ secrets.SLACK_GHA_CANCELLED_WEBHOOK }}
      SLACK_GHA_FIXED_WEBHOOK: ${{ secrets.SLACK_GHA_FIXED_WEBHOOK }}
      SLACK_GHA_FAILURE_WEBHOOK: ${{ secrets.SLACK_GHA_FAILURE_WEBHOOK }}

  failed-workflow:
    name: Failed workflow tasks
    runs-on: ubuntu-latest
    needs: [ e2e-tests, slack-notifications ]
    if: |
      always() &&
      github.repository == 'WordPress/wordpress-develop' &&
      github.event_name != 'pull_request' &&
      github.run_attempt < 2 &&
      (
        needs.e2e-tests.result == 'cancelled' || needs.e2e-tests.result == 'failure'
      )

    steps:
      - name: Dispatch workflow run
        uses: actions/github-script@98814c53be79b1d30f795b907e553d8679345975 # v6.4.0
        with:
          retries: 2
          retry-exempt-status-codes: 418
          script: |
            github.rest.actions.createWorkflowDispatch({
              owner: context.repo.owner,
              repo: context.repo.repo,
              workflow_id: 'failed-workflow.yml',
              ref: 'trunk',
              inputs: {
                run_id: '${{ github.run_id }}'
              }
            });