Why you should avoid Selenium for unit testing Node.js apps

The text discusses the importance of writing unit tests for Node.js applications and argues against using Selenium for this purpose due to its inefficiencies. While Selenium is a powerful tool for cross-platform and cross-browser testing, particularly suited for end-to-end and integration tests, it is not ideal for unit testing as it involves launching a browser, which can slow down the testing process. Instead, the article suggests using frameworks like Jest and Mocha, which are designed specifically for unit testing and provide faster, more efficient testing by running directly in memory without external dependencies. These alternatives enable developers to test individual code snippets in isolation, ensuring quick feedback and maintaining code quality. The text emphasizes that the speed and reliability of tests are crucial for effective software development and highlights the benefits of using tools like LogRocket for monitoring application performance and user experience.