UuidFormatterTest.php

<?php

namespace Drupal\Tests\field\Kernel\String;

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

/**
 * Tests the output of a UUID field.
 *
 * @group field
 */
class UuidFormatterTest extends KernelTestBase {
    
    /**
     * Modules to enable.
     *
     * @var array
     */
    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() {
        $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.');
    }

}