TarTest.php

<?php

declare (strict_types=1);
namespace Drupal\KernelTests\Core\Archiver;

use Drupal\Core\Archiver\Tar;

/**
 * @coversDefaultClass \Drupal\Core\Archiver\Tar
 * @group tar
 */
class TarTest extends ArchiverTestBase {
    
    /**
     * {@inheritdoc}
     */
    protected $archiverPluginId = 'Tar';
    
    /**
     * Tests that the Tar archive is created if it does not exist.
     */
    public function testCreateArchive() : void {
        $textFile = current($this->getTestFiles('text'));
        $archiveFilename = $this->fileSystem
            ->realpath('public://' . $this->randomMachineName() . '.tar');
        $tar = new Tar($archiveFilename);
        $tar->add($this->fileSystem
            ->realPath($textFile->uri));
        $this->assertFileExists($archiveFilename, 'Archive is automatically created if the file does not exist.');
        $this->assertArchiveContainsFile($archiveFilename, $this->fileSystem
            ->realPath($textFile->uri));
    }

}