<p>Master ABAP unit testing with test doubles, mocking frameworks, and dependency injection in SAP S/4HANA. Practical code examples for senior ABAP developers.</p>
<p>Master Strategy, Command, and Template Method patterns in ABAP OOP for SAP S/4HANA. Real code examples, rollback logic, and unit testing for senior architects.</p>
<p>Learn how to test CDS Views in SAP S/4HANA using ABAP Unit Tests and the CDS Test Double Framework. Practical code examples for senior ABAP developers.</p>
<p>Learn how senior SAP architects refactor legacy ABAP code using the Strangler Fig Pattern, characterization tests, and modern S/4HANA constructs. Practical guide with real code examples.</p>
<p>Master Factory, Observer, and Decorator patterns in ABAP OOP with real SAP S/4HANA code examples. Build extensible, testable systems like a senior architect.</p>
<p>Learn how to write reliable ABAP unit tests using ABAP Unit Framework. Covers dependency injection, test doubles, exception testing, and building a testing culture in SAP projects.</p>