Is Selenium designed to work with standalone browsers (using webdrivers) or with browsers that are already installed on the operating system?

I am a newcomer to Cross Browser Testing and have just begun exploring Selenium. However, I am having trouble finding the answers to the following questions on the official site. It would be greatly appreciated if someone could help clarify them for me.

  1. Does Selenium rely on "independent browsers" (via webdrivers) or does it use/connect to existing browsers that are installed on the operating system?

  2. If Selenium utilizes "independent browsers", is it capable of actually launching separate instances of browsers like IE7, IE8, IE9, IE10, Safari on the operating system (such as Windows) for individual UI testing purposes?

javascriptseleniumselenium-webdriver

Answer №1

1) Ensure that the desired browsers for testing are installed on your machine. The tool utilizes existing browsers for automation.

2) Incorrect. This tool can only automate browsers that are already available on the operating system. Additionally, it is not possible to have multiple versions of the same browser on one machine unless running from a separate drive.

Answer №2

By leveraging RemoteWebDriver and Selenium Grid, you can distribute different browser versions across various machines.

Although the tests will run on your machine, the browser will launch on a machine containing the specified version mentioned in the test script.

This approach proves beneficial when executing tests within a continuous integration build environment, where browsers may not be readily available on the CI server.

Setting up and managing your own grid can be time-intensive, leading companies to opt for cloud solutions like Saucelabs. These platforms allow you to direct your tests to open browsers on their extensive grid, encompassing a wide range of browser combinations, versions, and operating systems.

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