Testability-Driven Development (TsDD) is a software development process that focuses on making code testable first, before writing any production code. This is in contrast to traditional development processes, where code is written first and then tested later.
TsDD is based on the idea that the more testable a piece of code is, the easier it is to find and fix bugs. This is because testable code is easier to understand and reason about.
Using unit tests to verify the correctness of code
Using dependency injection to make code less coupled
Using interfaces to decouple code from implementation details
Using design patterns to promote good design
Improved quality of software
Reduced development time
Increased team productivity
Improved code readability