name: JavaScript Tests

on:
  # JavaScript testing was introduced in WordPress 3.8.
  push:
    branches:
      - master
      - trunk
      - '3.[89]'
      - '[4-9].[0-9]'
    tags:
      - '3.[89]*'
      - '[4-9].[0-9]*'
  pull_request:
    branches:
      - master
      - trunk
      - '3.[89]'
      - '[4-9].[0-9]'
    paths:
      # Any change to a JavaScript file should run tests.
      - '**.js'
      # These files configure NPM. Changes could affect the outcome.
      - 'package*.json'
      # This file configures ESLint. Changes could affect the outcome.
      - '.eslintignore'
      # This file configures JSHint. Changes could affect the outcome.
      - '.jshintrc'
      # Any change to the QUnit directory should run tests.
      - 'tests/qunit/**'
      # Changes to workflow files should always verify all workflows are successful.
      - '.github/workflows/*.yml'
  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

jobs:
  # Runs the QUnit tests for WordPress.
  #
  # Performs the following steps:
  # - Checks out the repository.
  # - Logs debug information about the runner container.
  # - Installs NodeJS 14.
  # - Logs updated debug information.
  # _ Installs NPM dependencies using install-changed to hash the `package.json` file.
  # - Run the WordPress QUnit tests.
  # - Ensures version-controlled files are not modified or deleted.
  test-js:
    name: QUnit Tests
    runs-on: ubuntu-latest
    if: ${{ github.repository == 'WordPress/wordpress-develop' || github.event_name == 'pull_request' }}

    steps:
      - name: Checkout repository
        uses: actions/checkout@5a4ac9002d0be2fb38bd78e4b4dbde5606d7042f # v2.3.4

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

      - name: Install NodeJS
        uses: actions/setup-node@38d90ce44d5275ad62cc48384b3d8a58c500bb5f # v2.2.2
        with:
          node-version: 14
          cache: npm

      - name: Log debug information
        run: |
          npm --version
          node --version

      - name: Install Dependencies
        run: npm ci

      - name: Run QUnit tests
        run: npm run grunt qunit:compiled

      - 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@master
    needs: [ test-js ]
    if: ${{ always() }}