✖️Desired Capabilities

Desired capabilities are used in Selenium to configure browser and device-specific options when requesting a session from a remote WebDriver. It falls under the topic of cross-browser testing.

What is Cross Browser Testing? 💻🌎

Cross-browser testing is the practice of testing your website or application across different browsers, operating systems, and devices.

Why is it Important? ✅

• 👀 Users access your site on different browsers.

• 🤖 Rendering issues can occur on specific browsers.

• 🐛 Browser inconsistencies can cause bugs.

• 🏆 Ensures site works correctly everywhere.

Common Browsers to Test 💻

• 🦊 Firefox

• 🍎 Safari

• 💚 Chrome

• 🌏 Internet Explorer / Edge

• 🤖 Headless browsers

Common Testing Strategies 🧪

• 🔎 Manual testing on different browsers

• 🤖 Automated testing with multiple browsers

• ☁️ Use cloud based browser testing tools

Key Benefits ✅

• 🙅‍♂️ Avoid browser-specific bugs

• 💯 Ensure consistent experience

• 🏅 Improve quality

• 🛡️ Reduce technical debt

• 📈 Optimize conversion rates

Make sure to test across browsers for happy users everywhere! 😊🌎

Some key points about desired capabilities:

• They are a set of key-value pairs that define configuration options for a browser or device when creating a remote WebDriver session.

Commonly used methods of achieving desired capabilities

• setBrowserName(String browserName)sets the name of the browser to be used for the test.

• setVersion(String version)sets the version of the browser to be used for the test.

• setPlatform(Platform platform)sets the operating system to be used for the test.

• setCapability(String key, String value)sets a specific capability for the test.

• setAcceptInsecureCerts(boolean acceptInsecureCerts)sets whether to accept insecure SSL certificates.

• setHeadless(boolean headless)sets whether to run the browser in headless mode.

• setProxy(Proxy proxy)sets the proxy to be used for the test.

• setPageLoadStrategy(PageLoadStrategy strategy)sets the page load strategy for the test.

• setUnhandledPromptBehaviour(UnhandledPromptBehaviour behaviour)sets the behavior when an unhandled alert is encountered.

• setJavascriptEnabled(boolean enable): Sets whether to enable JavaScript in the browser

Desired capabilities are passed to the WebDriver when creating a session:

DesiredCapabilities = new DesiredCapabilities();
caps.setCapability(CapabilityType.BROWSER_NAME, "chrome");
caps.setCapability(CapabilityType.VERSION, "latest");

WebDriver driver = new RemoteWebDriver(new URL("http://localhost:4444/"), caps); 

• They enable cross-browser testing by allowing you to switch the browser or device for your tests.

• Different WebDriver implementations require different desired capabilities.