What is visual testing in headless mode?

What is visual testing in headless mode?

Visual testing in headless mode refers to the process of verifying the visual appearance of web applications without a graphical user interface. This is often done using automated tools that run tests in a headless browser.

Why is headless mode beneficial for visual testing?

Headless mode allows for faster execution of tests since it doesn't require rendering a UI. This can lead to quicker feedback and more efficient CI/CD pipelines.

What tools can I use for visual testing in headless mode?

Popular tools include Puppeteer, Cypress, and Selenium with headless browser options. These tools can capture screenshots and compare them against baseline images.

Can you explain how to set up visual testing with Puppeteer?

To set up visual testing with Puppeteer, you need to install Puppeteer, write a script to navigate to your web page, take screenshots, and then compare them with baseline images using a visual regression tool.