🔧 ABAP Unit Testing with Test Doubles and Mocking Frameworks: A Senior Architects Guide to Isolating Dependencies in SAP S/4HANA

If yoy have been writing ABAP unit tests for a while, you have probably hit the same wall I did years ago: your tests pass in isolation but become brittle the moment they touch a database table, a remote function call, or a business object manager. The root cause is almost always the same—uncontrolled dependencies. Learning how to isolate those...