File testing
What is file testing?
Modern web applications frequently do more than their native counterparts. Many of them generate files that users download directly or receive by email. Picture an airline booking site: once your ticket is purchased, you check in online and download your boarding pass as a PDF.
So how do you confirm that this whole flow actually works, and that the file itself is correct? That is exactly the job of file testing.
Why is file testing so useful?
When your application depends on file downloads, you need certainty that the download completes and the contents are right. A booking site fails at its one job if the boarding pass never arrives, or arrives with the wrong details.
Traditional automation frameworks barely touch this problem. At best, they confirm that a file of roughly the expected size showed up. Checking what is actually inside that file has always meant a human opening it and reading it.
Much more than web UI testing
Anyone on your team can build smart, AI-powered tests with Functionize. The File Viewer takes that same intelligence and points it at your exports. Upload a file into the system and the AI parses it, identifying the key content and elements inside.
Those elements are then validated against what you expect, so you know the file your user receives is the file your application was supposed to produce.
Testing file downloads
Import a sample
Locate the elements
Add verifications
Run and validate
Not just visual verification
Most approaches to file testing rely on a visual check alone. They ask whether the file looks close enough to what was expected, and stop there.
Functionize goes further. It validates the actual elements contained in the file, not just its appearance. For use cases like ticketing or tax returns, where a single wrong value carries real consequences, that difference is everything.
Supported formats
Your app ships files. Test them like features.
