UuidFormatterTest.php

<?php

declare (strict_types=1);
namespace Drupal\Tests\field\Kernel\KernelString;

use Drupal\entity_test\Entity\EntityTest;
use Drupal\KernelTests\KernelTestBase;

/**
 * Tests the output of a UUID field.
 *
 * @group field
 */
class UuidFormatterTest extends KernelTestBase {
  
  /**
   * {@inheritdoc}
   */
  protected static $modules = [
    'field',
    'entity_test',
    'system',
    'user',
  ];
  
  /**
   * {@inheritdoc}
   */
  protected function setUp() : void {
    parent::setUp();
    $this->installConfig([
      'system',
      'field',
    ]);
    $this->installEntitySchema('entity_test');
  }
  
  /**
   * Tests string formatter output.
   */
  public function testUuidStringFormatter() : void {
    $entity = EntityTest::create([]);
    $entity->save();
    $uuid_field = $entity->get('uuid');
    // Verify default render.
    $render_array = $uuid_field->view([]);
    $this->assertSame($entity->uuid(), $render_array[0]['#context']['value'], 'The rendered UUID matches the entity UUID.');
    $this->assertStringContainsString($entity->uuid(), $this->render($render_array), 'The rendered UUID found.');
    // Verify customized render.
    $render_array = $uuid_field->view([
      'settings' => [
        'link_to_entity' => TRUE,
      ],
    ]);
    $this->assertSame('link', $render_array[0]['#type']);
    $this->assertSame($entity->uuid(), $render_array[0]['#title']['#context']['value']);
    $this->assertSame($entity->toUrl()
      ->toString(), $render_array[0]['#url']->toString());
    $rendered = $this->render($render_array);
    $this->assertStringContainsString($entity->uuid(), $rendered, 'The rendered UUID found.');
    $this->assertStringContainsString($entity->toUrl()
      ->toString(), $rendered, 'The rendered entity URL found.');
  }

}