protected function createMockResourceAndPointerFromHash($hash)
{
$mockResource = $this->getMockBuilder(PersistentResource::class)->setMethods(array('getHash', 'getUri'))->getMock();
$mockResource->expects($this->any())->method('getHash')->will($this->returnValue($hash));
$mockResource->expects($this->any())->method('getUri')->will($this->returnValue('resource://' . $hash));
return $mockResource;
}