---
id: mutation
requestedLanguage: en
descriptionLanguage: en
---

# Mutation Testing

- Type: test assessment
- Group: Verification
- Placement: Verification / Objectives and strategy
- [Source](<https://mutants.rs/>)

[HTML](https://dpm.cnonim.name/practices/mutation/)

Small code mutations reveal which changes the existing tests fail to detect.

## Relationships

- may assess tests from: [Test-Driven Development](/practices/tdd/en.md) (verification)

[Show on the map](https://dpm.cnonim.name/#practice=mutation&lang=en)