/**
  * @param $file
  * @param $base64Encode
  * @param $preview
  */
 private function mockDownloadFile($file, $base64Encode, $preview)
 {
     $this->downloadService->expects($this->once())->method('downloadFile')->with($this->equalTo($file), $this->equalTo($base64Encode))->willReturn($preview);
 }
 /**
  * Mocks DownloadService->downloadFile
  *
  * @param object|\PHPUnit_Framework_MockObject_MockObject $file
  * @param array $download
  */
 private function mockDownloadFile($file, $download)
 {
     $this->downloadService->expects($this->once())->method('downloadFile')->with($this->equalTo($file))->willReturn($download);
 }