StreamFileUploaderTest.php

<?php

declare (strict_types=1);
namespace Drupal\Tests\file\Kernel\Upload;

use Drupal\KernelTests\KernelTestBase;
use org\bovigo\vfs\vfsStream;

/**
 * Tests the stream file uploader.
 *
 * @group file
 * @coversDefaultClass \Drupal\file\Upload\InputStreamFileWriter
 */
class StreamFileUploaderTest extends KernelTestBase {
    
    /**
     * {@inheritdoc}
     */
    protected static $modules = [
        'file',
    ];
    
    /**
     * @covers ::writeStreamToFile
     */
    public function testWriteStreamToFileSuccess() : void {
        vfsStream::newFile('foo.txt')->at($this->vfsRoot)
            ->withContent('bar');
        $fileWriter = $this->container
            ->get('file.input_stream_file_writer');
        $filename = $fileWriter->writeStreamToFile(vfsStream::url('root/foo.txt'));
        $this->assertStringStartsWith('temporary://', $filename);
        $this->assertStringEqualsFile($filename, 'bar');
    }
    
    /**
     * @covers ::writeStreamToFile
     */
    public function testWriteStreamToFileWithSmallerBytes() : void {
        $content = $this->randomString(2048);
        vfsStream::newFile('foo.txt')->at($this->vfsRoot)
            ->withContent($content);
        $fileWriter = $this->container
            ->get('file.input_stream_file_writer');
        $filename = $fileWriter->writeStreamToFile(stream: vfsStream::url('root/foo.txt'), bytesToRead: 1024);
        $this->assertStringStartsWith('temporary://', $filename);
        $this->assertStringEqualsFile($filename, $content);
    }

}