LinkRelationsTest.php in Drupal 8

Namespace

Drupal\KernelTests\Core\Http

File

core/tests/Drupal/KernelTests/Core/Http/LinkRelationsTest.php

<?php

namespace Drupal\KernelTests\Core\Http;

use Drupal\Core\Http\LinkRelationType;
use Drupal\KernelTests\KernelTestBase;

/**
 * Tests link relationships in Drupal.
 *
 * @group HTTP
 */
class LinkRelationsTest extends KernelTestBase {

  /**
   * Tests correct Link Relations are returned from the Link Relation Type Manager.
   */
  public function testAvailableLinkRelationships() {

    /** @var \Drupal\Core\Http\LinkRelationTypeManager $link_relation_type_manager */
    $link_relation_type_manager = $this->container
      ->get('plugin.manager.link_relation_type');

    // An link relation type of the "registered" kind.

    /** @var \Drupal\Core\Http\LinkRelationTypeInterface $canonical */
    $canonical = $link_relation_type_manager
      ->createInstance('canonical');
    $this
      ->assertInstanceOf(LinkRelationType::class, $canonical);
    $this
      ->assertTrue($canonical
      ->isRegistered());
    $this
      ->assertFalse($canonical
      ->isExtension());
    $this
      ->assertSame('canonical', $canonical
      ->getRegisteredName());
    $this
      ->assertNull($canonical
      ->getExtensionUri());
    $this
      ->assertEquals('[RFC6596]', $canonical
      ->getReference());
    $this
      ->assertEquals('Designates the preferred version of a resource (the IRI and its contents).', $canonical
      ->getDescription());
    $this
      ->assertEquals('', $canonical
      ->getNotes());

    // An link relation type of the "extension" kind.

    /** @var \Drupal\Core\Http\LinkRelationTypeInterface $canonical */
    $add_form = $link_relation_type_manager
      ->createInstance('add-form');
    $this
      ->assertInstanceOf(LinkRelationType::class, $add_form);
    $this
      ->assertFalse($add_form
      ->isRegistered());
    $this
      ->assertTrue($add_form
      ->isExtension());
    $this
      ->assertNull($add_form
      ->getRegisteredName());
    $this
      ->assertSame('https://drupal.org/link-relations/add-form', $add_form
      ->getExtensionUri());
    $this
      ->assertEquals('', $add_form
      ->getReference());
    $this
      ->assertEquals('A form where a resource of this type can be created.', $add_form
      ->getDescription());
    $this
      ->assertEquals('', $add_form
      ->getNotes());

    // Test a couple of examples.
    $this
      ->assertContains('about', array_keys($link_relation_type_manager
      ->getDefinitions()));
    $this
      ->assertContains('original', array_keys($link_relation_type_manager
      ->getDefinitions()));
    $this
      ->assertContains('type', array_keys($link_relation_type_manager
      ->getDefinitions()));
  }

}

Classes

Name	Description
LinkRelationsTest	Tests link relationships in Drupal.