Software Architect's Handbook

Benefits of unit testing

There are important benefits to unit testing your software, such as improving the quality of the software. With good unit tests, defects can be found before code is checked in or before a build is attempted. By testing early and often, bugs can be fixed without affecting other code.

One way to make it easier to test early and often is to automate the unit testing. Unit testing is ideal for automation. While developers will want to manually execute unit tests as they change code or prior to check-ins, unit tests can be automatically executed as part of some process, such as a build process. We will discuss automation and build processes in more detail in Chapter 13, DevOps and Software Architecture.

Debugging is made ...