This short lesson is about a rarely used assertion for file downloads.
In the Controller, you have a method where the response is to download a file.
use Symfony\Component\HttpFoundation\BinaryFileResponse; class ProductController extends Controller{ // ... public function download(): BinaryFileResponse { return response()->download(storage_path('files/product-specification.pdf')); }}
How can you test if this download was successful and if the download returned that exact file name to the browser?
In the test, you can assert the...