The author of »Test Data Classes for ABAP«
Winfried Schwarzmann is a chief development architect at SAP. Since 2011, he has worked as a trainer for agile software engineering (ASE) and has conducted in-house and external SAP training courses and workshops. He also developed the curriculum for ASE coaches of the SAP S/4HANA organization and the ASE best practices for modernizing ERP. He is the author of Test-Driven Development with ABAP Objects, Test Data Classes for ABAP, Designing Testable ABAP Classes and Packages, and Parallel Processing with ABAP Objects: Implementation and Testing.