OptionsFormattersTest.php

<?php

namespace Drupal\Tests\options\Kernel;

use Drupal\entity_test\Entity\EntityTest;

/**
 * Tests the Options field type formatters.
 *
 * @group options
 * @see \Drupal\options\Plugin\Field\FieldFormatter\OptionsDefaultFormatter
 * @see \Drupal\options\Plugin\Field\FieldFormatter\OptionsKeyFormatter
 */
class OptionsFormattersTest extends OptionsFieldUnitTestBase {
    
    /**
     * {@inheritdoc}
     */
    protected function setUp() : void {
        parent::setUp();
    }
    
    /**
     * Tests the formatters.
     */
    public function testFormatter() {
        $entity = EntityTest::create();
        $entity->{$this->fieldName}->value = 1;
        $items = $entity->get($this->fieldName);
        $build = $items->view();
        $this->assertEquals('list_default', $build['#formatter'], 'Ensure to fall back to the default formatter.');
        $this->assertEquals('One', $build[0]['#markup']);
        $build = $items->view([
            'type' => 'list_key',
        ]);
        $this->assertEquals('list_key', $build['#formatter'], 'The chosen formatter is used.');
        $this->assertEquals(1, (string) $build[0]['#markup']);
    }

}