Issue #3341438 by DanielVeza, andypost: Add test coverage for layout_builder_entity_view_alter()

<?php

declare(strict_types=1);

namespace Drupal\Tests\layout_builder\Kernel;

use Drupal\Core\Routing\RouteObjectInterface;

use Drupal\entity_test\Entity\EntityTest;

use Drupal\KernelTests\KernelTestBase;

use Drupal\layout_builder\Entity\LayoutBuilderEntityViewDisplay;

use Symfony\Component\HttpFoundation\Request;

use Symfony\Component\HttpFoundation\Session\Session;

use Symfony\Component\HttpFoundation\Session\Storage\MockArraySessionStorage;

use Symfony\Component\Routing\Route;

/**

 * @covers layout_builder_entity_view_alter

 *

 * @group layout_builder

 */

class EntityViewAlterTest extends KernelTestBase {

  /**

   * {@inheritdoc}

   */

  protected static $modules = [

    'layout_discovery',

    'layout_builder',

    'layout_builder_defaults_test',

    'entity_test',

    'user',

  ];

  /**

   * {@inheritdoc}

   */

  protected function setUp(): void {

    parent::setUp();

    entity_test_create_bundle('bundle_with_extra_fields');

    $this->installEntitySchema('entity_test');

    $this->installConfig(['layout_builder_defaults_test']);

  }

  /**

   * Tests that contextual links are removed when rendering Layout Builder.

   */

  public function testContextualLinksRemoved(): void {

    $display = LayoutBuilderEntityViewDisplay::load('entity_test.bundle_with_extra_fields.default');

    $entity = EntityTest::create();

    $build = [

      '#contextual_links' => ['entity.node.canonical'],

    ];

    // Create a fake request that starts with layout_builder.

    $request = Request::create('<front>');

    $request->attributes->set(RouteObjectInterface::ROUTE_NAME, 'layout_builder.test');

    $request->attributes->set(RouteObjectInterface::ROUTE_OBJECT, new Route('/'));

    $request->setSession(new Session(new MockArraySessionStorage()));

    \Drupal::requestStack()->push($request);

    // Assert the contextual links are removed.

    layout_builder_entity_view_alter($build, $entity, $display);

    $this->assertArrayNotHasKey('#contextual_links', $build);

  }

}