Issue #3303703 by phenaproxima: Deprecate the ComponentDiscovery class

   *   The application root directory.

   */

  public function __construct($app_root) {

    @trigger_error(__CLASS__ . ' is deprecated in lightning_core:6.0.0 and removed in lightning_core:7.0.0. There is no replacement. See https://www.drupal.org/node/3303704', E_USER_DEPRECATED);

    $this->discovery = new ExtensionDiscovery($app_root);

  }

<?php

namespace Drupal\Tests\lightning_core\Kernel;

use Drupal\Core\Extension\Extension;

use Drupal\KernelTests\KernelTestBase;

use Drupal\lightning_core\ComponentDiscovery;

/**

 * @group lightning

 * @group lightning_core

 *

 * @coversDefaultClass \Drupal\lightning_core\ComponentDiscovery

 */

class ComponentDiscoveryTest extends KernelTestBase {

  /**

   * The ComponentDiscovery under test.

   *

   * @var \Drupal\lightning_core\ComponentDiscovery

   */

  protected $discovery;

  /**

   * {@inheritdoc}

   */

  protected function setUp(): void {

    parent::setUp();

    $this->discovery = new ComponentDiscovery(

      $this->container->get('app.root')

    );

  }

  /**

   * @covers ::getAll

   */

  public function testGetAll() {

    $components = $this->discovery->getAll();

    $this->assertInstanceOf(Extension::class, $components['lightning_core']);

    $this->assertInstanceOf(Extension::class, $components['lightning_search']);

    $this->assertArrayNotHasKey('panels', $components);

    $this->assertArrayNotHasKey('views', $components);

  }

  /**

   * @covers ::getMainComponents

   */

  public function testGetMainComponents() {

    $components = $this->discovery->getMainComponents();

    $this->assertInstanceOf(Extension::class, $components['lightning_core']);

    $this->assertArrayNotHasKey('lightning_contact_form', $components);

    $this->assertArrayNotHasKey('lightning_page', $components);

    $this->assertArrayNotHasKey('lightning_roles', $components);

    $this->assertArrayNotHasKey('lightning_search', $components);

  }

  /**

   * @covers ::getSubComponents

   */

  public function testGetSubComponents() {

    $components = $this->discovery->getSubComponents();

    $this->assertInstanceOf(Extension::class, $components['lightning_contact_form']);

    $this->assertInstanceOf(Extension::class, $components['lightning_page']);

    $this->assertInstanceOf(Extension::class, $components['lightning_roles']);

    $this->assertInstanceOf(Extension::class, $components['lightning_search']);

    $this->assertArrayNotHasKey('lightning_core', $components);

  }

}