function FileSystemTest::testCopyFailureIfFileAlreadyExists

Tests copy failure if file already exists.

@legacy-covers ::copy

File

core/tests/Drupal/KernelTests/Core/File/FileSystemTest.php, line 78

Class

FileSystemTest

Tests Drupal\Core\File\FileSystem.

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);
}