# Unit testing

Test-driven development (TDD) is a robust software development methodology that can significantly improve the quality and reliability of mobile applications. With TDD, you create the tests before you write the code for a specific feature or functionality.   TDD is best used with Agile software testing, as it helps provide developers with a safety net of …

Unit testing verifies an app’s individual components or units of code in isolation. The main goal of unit testing is to validate that each unit of the app performs as expected. Developers typically perform this testing during the coding phase, ensuring that each function, method, or class works correctly on its own.  Unit tests are …