NAV 2017 includes the enhanced C/AL Testability feature set designed to support C/AL test-driven development. Test-driven development is an approach where the application tests are defined prior to the development of the application code. In an ideal situation, the code supporting application tests is written prior to, or at least at the same time as, the code implementing the target application function written.
Advantages of test-driven development include the following:
- Designing testing processes in conjunction with functional design
- Finding bugs early
- Preventing bugs reaching production
- Enabling regression testing which prevents changes from introducing new bugs into previously validated routines
The C/AL Testability feature provides test specific types of Codeunits-Test Codeunits and Test Running Codeunits. Test Codeunits contain Test methods, UI handlers, and C/AL code...