29 lines
946 B
Markdown
29 lines
946 B
Markdown
---
|
|
layout: pattern
|
|
title: Object Mother
|
|
folder: object-mother
|
|
permalink: /patterns/object-mother/
|
|
categories: Creational
|
|
tags:
|
|
- Instantiation
|
|
---
|
|
|
|
## Object Mother
|
|
Define a factory of immutable content with separated builder and factory interfaces.
|
|
|
|
## Class diagram
|
|
|
|
|
|
## Applicability
|
|
Use the Object Mother pattern when
|
|
|
|
* You want consistent objects over several tests
|
|
* You want to reduce code for creation of objects in tests
|
|
* Every test should run with fresh data
|
|
|
|
## Credits
|
|
|
|
* [Answer by David Brown](http://stackoverflow.com/questions/923319/what-is-an-objectmother) to the stackoverflow question: [What is an ObjectMother?](http://stackoverflow.com/questions/923319/what-is-an-objectmother)
|
|
* [c2wiki - Object Mother](http://c2.com/cgi/wiki?ObjectMother)
|
|
* [Nat Pryce - Test Data Builders: an alternative to the Object Mother pattern](http://www.natpryce.com/articles/000714.html)
|