Running Tests in Different Browsers

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Running Tests in Different Browsers

When developing web applications, it’s essential to verify that the application behaves consistently across multiple browsers. Different browsers (Chrome, Firefox, Edge, Safari) interpret HTML, CSS, and JavaScript slightly differently, which may lead to UI or functional issues. That’s why running tests in different browsers is a key part of automation testing.

With Selenium WebDriver, you can easily achieve this by using browser-specific drivers:

  • ChromeDriver for Google Chrome

  • GeckoDriver for Mozilla Firefox

  • EdgeDriver for Microsoft Edge

  • SafariDriver for Safari

To run tests, you initialize the WebDriver instance according to the browser. For example:

WebDriver driver = new ChromeDriver(); WebDriver driver = new FirefoxDriver();

Instead of hardcoding, testers usually parameterize the browser name. Using frameworks like TestNG or JUnit, you can pass the browser type as input and execute the same test case across different browsers without rewriting code.

For larger test suites, Selenium Grid or cloud platforms like BrowserStack, Sauce Labs, or LambdaTest allow running tests in parallel across multiple browsers, OS versions, and devices. This saves time and ensures wider coverage.

By running tests in different browsers, teams can detect browser-specific bugs early, improve application compatibility, and deliver a seamless user experience to all users regardless of their choice of browser.

Read more:

Configuring playwright.config.ts

Using Playwright Test Runner

Headless vs Headed Browsers in Playwright

Testing Links and Navigation

Automating Form Submission

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