public function testRenderFile()
{
$entityLibrary = $this->dataLibrary->createEmpty();
$entityLibrary->set('name', 'lib');
$this->dataLibrary->create($entityLibrary);
$entityBook = $this->dataBook->createEmpty();
$entityBook->set('title', 'title');
$entityBook->set('author', 'author');
$entityBook->set('pages', 111);
$entityBook->set('library', $entityLibrary->get('id'));
$this->dataBook->create($entityBook);
$fileProcessorHandle = TestDBSetup::getFileProcessorHandle();
$this->dataBook->renderFile($entityBook, 'book', 'cover');
$fileProcessorHandle->createFile->never()->called();
$fileProcessorHandle->updateFile->never()->called();
$fileProcessorHandle->deleteFile->never()->called();
$fileProcessorHandle->renderFile->once()->called();
}
