Automated Unit Testing with ABAP: A Practical Approach

© The Author(s), under exclusive license to APress Media, LLC, part of Springer Nature 2021

J. E. McDonoughAutomated Unit Testing with ABAPhttps://doi.org/10.1007/978-1-4842-6951-0_9

9. Service Locator

James E. McDonough¹  

(1)

Pennington, NJ, USA

 

Previous chapters explored how to encapsulate indirect input and output into classes providing those services and elaborated on the usefulness of test doubles capable of simulating those services during a unit test. This chapter introduces the service locator as a way to manage those services.

Purpose of a Service Locator

A service locator is a design feature implemented into a program for the purpose of providing a central registry for the various entities providing services to the program. It can be thought ...