If you want to start using ABAP Unit Testing, the links below will help you. They were useful to me when I started experimenting it.
- Basic infos SAP Help on ABAP Unit
- Getting Started with ABAP Testing and Troubleshooting
- SAP Help 2
- ABAP254 New Dynamic Test Tools for ABAP Developers
(Transaction SAAB + BREAK-POINT ID <id> + ASSERT ID <id>) - http://zevolving.com/category/abapobjects/abap-unit-test/
- BW and Unit Testing => Make use of CATT to Unit Test BW transformations How To… Perform ABAP Unit Tests for Transformations in SAP NetWeaver BW
- http://www.sdn.sap.com/irj/scn/go/portal/prtroot/docs/library/uuid/c02e8314-db5a-2f10-0a8d-97385a35312d?overridelayout=true
ABAP unit tests enable writing and running white box tests during the development of complex BW transformation rules and routines. This How-To document shows you the tools you need to develop BW transformations according to a test-driven paradigm. Step by step, we describe a prototype implementation of an ABAP unit test for a selected BW transformation.