When writing unit tests for your JavaScript code, especially when dealing with time-dependent functionalities, it's crucial to control and mock the behavior of the native Date object. This ensures that your tests are deterministic and produce consistent results regardless of the current date and time. In this guide, you'll learn the easiest way to mock Date in Jest without installing any extra NPM packages. This approach leverages Jest's built-in mocking capabilities with Fake timers and sett...
