layout	pattern
title	Object Mother
folder	object-mother
permalink	/patterns/object-mother/
pumlid	LOr13iCW30JlVKNx0E3UKxxYW9KGWK7sklb-wR6dtLbfj9k15DxRurKbDo_isfudCEsTaj8TZuhJTpVMF0GiY7dqL9lVjDHqqOT2OQk7X4a0grZgPAkaiL-S4Vh0kOYH_vVeskFyVMyiPUKN
categories	Creational
tags	Java Difficulty-Beginner

Object Mother

Define a factory of immutable content with separated builder and factory interfaces.

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 to the stackoverflow question: What is an ObjectMother?

• c2wiki - Object Mother

• Nat Pryce - Test Data Builders: an alternative to the Object Mother pattern