Unit testing
Unit testing is a type of software testing where individual units or components of a software application are tested in isolation to ensure they function correctly. A unit typically refers to the smallest testable part of the software, such as a function, method, or class. The main goal of unit testing is to validate that each unit of the software works as expected and produces the correct output for a given input. By testing units independently, developers can identify and fix bugs or issues in the early stages of development, making it easier to maintain and improve (hence, to refactor) the code base.
There are several benefits to adopting unit testing, some of which are as follows:
- Velocity: Unit tests are fast! They focus on testing small, isolated units of code, typically individual functions or methods, in isolation from the rest of the system. This isolation allows unit tests to execute quickly because they don’t rely on external dependencies or...