EnvironmentCleanerTest.php

<?php

namespace Drupal\KernelTests\Core\Test;

use Drupal\Core\Database\Connection;
use Drupal\Core\Test\EnvironmentCleaner;
use Drupal\KernelTests\KernelTestBase;
use org\bovigo\vfs\vfsStream;
use Symfony\Component\Console\Output\NullOutput;

/**
 * @coversDefaultClass \Drupal\Core\Test\EnvironmentCleaner
 * @group Test
 */
class EnvironmentCleanerTest extends KernelTestBase {
    
    /**
     * @covers ::doCleanTemporaryDirectories
     */
    public function testDoCleanTemporaryDirectories() {
        vfsStream::setup('cleanup_test', NULL, [
            'sites' => [
                'simpletest' => [
                    'delete_dir' => [
                        'delete.me' => 'I am a gonner.',
                    ],
                    'delete_me.too' => 'delete this file.',
                ],
            ],
        ]);
        $connection = $this->prophesize(Connection::class);
        $cleaner = new EnvironmentCleaner(vfsStream::url('cleanup_test'), $connection->reveal(), $connection->reveal(), new NullOutput(), \Drupal::service('file_system'));
        $do_cleanup_ref = new \ReflectionMethod($cleaner, 'doCleanTemporaryDirectories');
        $do_cleanup_ref->setAccessible(TRUE);
        $this->assertFileExists(vfsStream::url('cleanup_test/sites/simpletest/delete_dir/delete.me'));
        $this->assertFileExists(vfsStream::url('cleanup_test/sites/simpletest/delete_me.too'));
        $this->assertEquals(2, $do_cleanup_ref->invoke($cleaner));
        $this->assertDirectoryNotExists(vfsStream::url('cleanup_test/sites/simpletest/delete_dir'));
        $this->assertFileNotExists(vfsStream::url('cleanup_test/sites/simpletest/delete_dir/delete.me'));
        $this->assertFileNotExists(vfsStream::url('cleanup_test/sites/simpletest/delete_me.too'));
    }

}