# Approval Testing

Comparing output against an approved file.

## What is **Approval Testing**?

**Approval testing** compares output against an approved file; changes must be reviewed and approved.

Level: Master · [More Unit Testing terms at this level](https://www.ask-codey.com/glossary/subjects/unit-testing/master)

Updated: September 27, 2026

Source: https://www.ask-codey.com/glossary/approval-testing