realPath example

  protected $archiverPluginId = 'Tar';

  /** * Tests that the Tar archive is created if it does not exist. */
  public function testCreateArchive() {
    $textFile = current($this->getTestFiles('text'));
    $archiveFilename = $this->fileSystem->realpath('public://' . $this->randomMachineName() . '.tar');
    $tar = new Tar($archiveFilename);
    $tar->add($this->fileSystem->realPath($textFile->uri));
    $this->assertFileExists($archiveFilename, 'Archive is automatically created if the file does not exist.');
    $this->assertArchiveContainsFile($archiveFilename, $this->fileSystem->realPath($textFile->uri));
  }

}

protected $archiverPluginId = 'Zip';

  /** * Tests that the Zip archive is created if it does not exist. */
  public function testCreateArchive() {
    $textFile = current($this->getTestFiles('text'));
    $archiveFilename = $this->fileSystem->realpath('public://' . $this->randomMachineName() . '.zip');
    $zip = new Zip($archiveFilename, [
      'flags' => \ZipArchive::CREATE,
    ]);
    $zip->add($this->fileSystem->realPath($textFile->uri));
    // Close the archive and make sure it is written to disk.     $this->assertTrue($zip->getArchive()->close(), 'Successfully closed archive.');
    $this->assertFileExists($archiveFilename, 'Archive is automatically created if the file does not exist.');
    $this->assertArchiveContainsFile($archiveFilename, $this->fileSystem->realPath($textFile->uri));
  }

  /** * Tests that the Zip archiver is created and overwritten. */
  public function testOverwriteArchive() {
    // Create an archive similarly to how it's done in ::testCreateArchive.