upload() public method

Triggers the upload process.
public upload ( ) : array
return array
 /**
  * @expectedException Google\Cloud\Exception\GoogleException
  */
 public function testThrowsExceptionWithFailedUpload()
 {
     $resumeUriResponse = new Response(200, ['Location' => 'theResumeUri']);
     $this->requestWrapper->send(Argument::which('getMethod', 'POST'), Argument::type('array'))->willReturn($resumeUriResponse);
     $this->requestWrapper->send(Argument::which('getMethod', 'PUT'), Argument::type('array'))->willThrow('Google\\Cloud\\Exception\\GoogleException');
     $uploader = new ResumableUploader($this->requestWrapper->reveal(), $this->stream, 'http://www.example.com');
     $uploader->upload();
 }