While emulators are fast, running tests on real devices and various browsers via a Browser Compatibility Matrix is essential to catch environment-specific bugs.
Prioritize stable attributes like ID or Name . Avoid long, absolute XPaths (e.g., /html/body/div[1]/... ) which break if the page structure shifts even slightly. Selenium Design Patterns and Best Practices
Never use Thread.sleep() , as it forces a script to wait for a fixed duration regardless of the page state. Instead, use Explicit Waits to pause execution until a specific condition—like an element becoming clickable—is met, significantly reducing execution time. While emulators are fast, running tests on real
Design patterns provide a shared vocabulary and reusable templates for solving common automation challenges. ) which break if the page structure shifts even slightly
Useful for multi-browser testing. A "Driver Factory" can initialize the correct driver (Chrome, Firefox, Edge) based on a configuration file, keeping the test initialization clean and centralized. Core Best Practices for Stability
Often used for the WebDriver instance to ensure that only one browser window is active at a time, preventing memory leaks and conflicting sessions.