/**
  * @test
  * @expectedException \TYPO3\Flow\Security\Exception\InvalidHashException
  */
 public function getReferringRequestThrowsAnExceptionIfTheHmacOfTheArgumentsCouldNotBeValid()
 {
     $serializedArguments = base64_encode('some manipulated arguments string without valid HMAC');
     $referrer = array('@controller' => 'Foo', '@action' => 'bar', 'arguments' => $serializedArguments);
     $mockHashService = $this->getMockBuilder(\TYPO3\Flow\Security\Cryptography\HashService::class)->getMock();
     $mockHashService->expects($this->once())->method('validateAndStripHmac')->with($serializedArguments)->will($this->throwException(new InvalidHashException()));
     $this->inject($this->actionRequest, 'hashService', $mockHashService);
     $this->actionRequest->setArgument('__referrer', $referrer);
     $this->actionRequest->getReferringRequest();
 }