function FileSystemTest::testCopyFailureIfFileAlreadyExists

@covers ::copy

File

core/tests/Drupal/KernelTests/Core/File/FileSystemTest.php, line 65

Class

FileSystemTest

@coversDefaultClass <a href="/api/drupal/core%21lib%21Drupal%21Core%21File%21FileSystem.php/class/FileSystem/9" title="Provides helpers to operate on files and stream wrappers." class="local">\Drupal\Core\File\FileSystem</a> @group File

Namespace

Code

public function testCopyFailureIfFileAlreadyExists() {
    $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, FileSystemInterface::EXISTS_ERROR);
}