# Unit Tests

> A technique for testing one unit of behavior in isolation, fast enough to run on every change.

Record: `lexicon:unit-tests`
Kind: technique
Layer: [Computation Core](https://banes-lab.com/records/layer/computation-core.md)
Canonical: https://banes-lab.com/ontology/lexicon#lexicon-unit-tests

Listed in [Lexicon terms](https://banes-lab.com/api/records/lexicon.md), after [Fake at the Boundary](https://banes-lab.com/records/lexicon/fake-at-the-boundary.md) and before [Component Tests](https://banes-lab.com/records/lexicon/component-tests.md).

## Category

- [Correctness / Determinism / Verification](https://banes-lab.com/records/lexicon-category/correctness-determinism-verification.md)

## Refactors

- [Test Pyramid Inversion](https://banes-lab.com/records/architecture/test-pyramid-inversion.md)
- [Correctness](https://banes-lab.com/records/architecture/correctness.md)
- [Verification](https://banes-lab.com/records/architecture/verification.md)
- [Impact Analysis](https://banes-lab.com/records/architecture/impact-analysis.md)
- [Metaprogramming](https://banes-lab.com/records/architecture/metaprogramming.md)

## Linked from

- [Anti-patterns](https://banes-lab.com/ontology/principles/architecture-category-anti-patterns.md)
- [Correctness / Determinism / Verification](https://banes-lab.com/ontology/principles/architecture-category-correctness-determinism-verification.md)
- [Architecture Review / Evolution / Governance Artifacts](https://banes-lab.com/ontology/principles/architecture-category-architecture-review-evolution-governance-artifacts.md)
- [Metaprogramming / Language-Oriented Architecture](https://banes-lab.com/ontology/principles/architecture-category-metaprogramming-language-oriented-architecture.md)