FinderTest.php

<?php

declare (strict_types=1);
namespace Drupal\Tests\Core\DefaultContent;

use Drupal\Component\FileSystem\FileSystem;
use Drupal\Core\DefaultContent\Finder;
use Drupal\Core\DefaultContent\ImportException;
use Drupal\Tests\UnitTestCase;

/**
 * @covers \Drupal\Core\DefaultContent\Finder
 * @group DefaultContent
 */
class FinderTest extends UnitTestCase {
    
    /**
     * Tests that any discovered entity data is sorted into dependency order.
     */
    public function testFoundDataIsInDependencyOrder() : void {
        $finder = new Finder(__DIR__ . '/../../../../fixtures/default_content');
        $expected_order = [
            // First is the author of the node.
'94503467-be7f-406c-9795-fc25baa22203',
            // Next, the taxonomy term referenced by the node.
'550f86ad-aa11-4047-953f-636d42889f85',
            // Then we have the node itself, since it has no other dependencies.
'e1714f23-70c0-4493-8e92-af1901771921',
            // Finally, the menu link to the node.
'3434bd5a-d2cd-4f26-bf79-a7f6b951a21b',
        ];
        $this->assertSame($expected_order, array_slice(array_keys($finder->data), 0, 4));
    }
    
    /**
     * Tests that files without UUIDs will raise an exception.
     */
    public function testExceptionIfNoUuid() : void {
        $dir = FileSystem::getOsTemporaryDirectory();
        $this->assertIsString($dir);
        
        /** @var string $dir */
        file_put_contents($dir . '/no-uuid.yml', '_meta: {}');
        $this->expectException(ImportException::class);
        $this->expectExceptionMessage("{$dir}/no-uuid.yml does not have a UUID.");
        new Finder($dir);
    }

}