function FileSystemTest::testCopyFailureIfFileAlreadyExists

@covers ::copy

File

core/tests/Drupal/KernelTests/Core/File/FileSystemTest.php, line 67

Class

FileSystemTest

@coversDefaultClass \Drupal\Core\File\FileSystem @group File

Namespace

Code

public function testCopyFailureIfFileAlreadyExists() : void {
    $this->expectException(FileExistsException::class);
    $this->expectExceptionMessage("File 'public://test.txt' could not be copied because a file by that name already exists in the destination directory ('')");
    $uri = 'public://test.txt';
    touch($uri);
    $this->fileSystem
        ->copy($uri, $uri, FileExists::Error);
}