ContentTypeCreationTrait.php

<?php

namespace Drupal\Tests\node\Traits;

use Drupal\Component\Render\FormattableMarkup;
use Drupal\node\Entity\NodeType;
use PHPUnit\Framework\TestCase;

/**
 * Provides methods to create content type from given values.
 *
 * This trait is meant to be used only by test classes.
 */
trait ContentTypeCreationTrait {
    
    /**
     * Creates a custom content type based on default settings.
     *
     * @param array $values
     *   An array of settings to change from the defaults.
     *   Example: 'type' => 'foo'.
     *
     * @return \Drupal\node\Entity\NodeType
     *   Created content type.
     */
    protected function createContentType(array $values = []) {
        // Find a non-existent random type name.
        if (!isset($values['type'])) {
            do {
                $id = strtolower($this->randomMachineName(8));
            } while (NodeType::load($id));
        }
        else {
            $id = $values['type'];
        }
        $values += [
            'type' => $id,
            'name' => $id,
        ];
        $type = NodeType::create($values);
        $status = $type->save();
        node_add_body_field($type);
        if ($this instanceof TestCase) {
            $this->assertSame($status, SAVED_NEW, (new FormattableMarkup('Created content type %type.', [
                '%type' => $type->id(),
            ]))
                ->__toString());
        }
        else {
            $this->assertEquals(SAVED_NEW, $status, (new FormattableMarkup('Created content type %type.', [
                '%type' => $type->id(),
            ]))
                ->__toString());
        }
        return $type;
    }

}