FileSaveUploadTest.php

<?php

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

use Drupal\Core\Messenger\MessengerInterface;
use Drupal\KernelTests\KernelTestBase;
use Symfony\Component\HttpFoundation\File\UploadedFile;
use Symfony\Component\HttpFoundation\Request;
use Symfony\Component\HttpFoundation\RequestStack;

/**
 * Tests file_save_upload().
 *
 * @group file
 * @group legacy
 */
class FileSaveUploadTest extends KernelTestBase {
    
    /**
     * {@inheritdoc}
     */
    protected static $modules = [
        'file',
        'file_test',
        'file_validator_test',
        'user',
    ];
    
    /**
     * {@inheritdoc}
     */
    protected function setUp() : void {
        \file_put_contents('test.bbb', 'test');
        parent::setUp();
        $request = new Request();
        $request->files
            ->set('files', [
            'file' => new UploadedFile(path: 'test.bbb', originalName: 'test.bbb', mimeType: 'text/plain', error: \UPLOAD_ERR_OK, test: TRUE),
        ]);
        $requestStack = new RequestStack();
        $requestStack->push($request);
        $this->container
            ->set('request_stack', $requestStack);
    }
    
    /**
     * Tests file_save_upload() with empty extensions.
     */
    public function testFileSaveUploadEmptyExtensions() : void {
        // Allow all extensions.
        $validators = [
            'file_validate_extensions' => '',
        ];
        $this->expectDeprecation('\'file_validate_extensions\' is deprecated in drupal:10.2.0 and is removed from drupal:11.0.0. Use the \'FileExtension\' constraint instead. See https://www.drupal.org/node/3363700');
        $files = file_save_upload('file', $validators);
        $this->assertCount(1, $files);
        $file = $files[0];
        // @todo work out why move_uploaded_file() is failing.
        $this->assertFalse($file);
        $messages = \Drupal::messenger()->messagesByType(MessengerInterface::TYPE_ERROR);
        $this->assertNotEmpty($messages);
        $this->assertEquals('File upload error. Could not move uploaded file.', $messages[0]);
    }

}