What is selenium?

Selenium is an open-source test automation platform that is used to verify web-based applications. It allows us to run test results across different browsers and devices.Selenium is also a stand-alone platform, that also implies that even if you write a Selenium test to say Windows OS, users can easily drive the same on Linux or Macros. Selenium tests can be run along all multiple browsers, such as Firefox, Chrome, Internet Explorer, Safari and Opera. It has a large community that is readily available for support. Simultaneous test execution is one of the key features of Selenium.

The four components supported by selenium are :Selenium IDE, Selenium RC, Selenium WebDriver and Selenium Grid.

Before moving onto selenium Webdriver installation, you need to know the basic difference that exists between the selenium RC and webdriver.

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Selenium WebDriver

Selenium Webdriver is a transparent accumulation of APIs used to test software applications. The Selenium Webdriver tool can be used to automate web application tests to confirm that it operates as planned or not. It supports various browsers such as Firefox, Chrome, Safari and Internet Explorer. This also allows you to perform cross-browser testing.WebDriver often allows users to use the coding language to create your test scripts. You can now use conditional operations such as if-then-else or switch-case. You can perform looping as well as do-while. The programming languages supported by the different web browsers are python, java, .net, perl, ruby, etc.

What makes Selenium WebDriver different from Selenium Remote Control?

There exists some small difference between the selenium webdriver and selenium RC in terms of execution speed, API and Interaction.

In the below image, you can find the difference between both of them from architecture point of view.

Selenium WebDriver has a streamlined architectural design particularly in comparison to Selenium RC. The WebDriver handles the web browser browser. Users only need functional programming connections and a browser driver to collaborate with WebDriver. Selenium RC, on the other hand, includes the Selenium Remote Control Server to operate even before tests are run.

Variation in Execution Speed:

Each and every statement needs a long process for excecution in selenium RC whereas in webdriver there are direct interactions that minimizes the lifecycle.Selenium WebDriver interacts directly with the browser and utilises its engine to regulate the same, so the speed of execution is fast. Selenium RC first transforms Selenium Core to Selenium Core, which regulates the web browser, so the speed of execution is slower.

Variation in interactions:

Selenium WebDriver allows effective conversations by interacting openly with the web browser. For instance, when some web-element is concealed or disabled, the WebDriver will not be able to find it just like a normal human. Selenium RC uses Selenium Core, which would be comparable to JavaScript. This core may have access to hidden or disabled elements. So even if some textbox on the UI is disabled, use Selenium.

Conclusion

We hereby can conclude that Selenium WebDriver is an evergreen platform to evaluate web applications along all different browsers utilising various programming languages. Users also are capable of performing strong tests, since WebDriver enables you to use the programming language of your selection when designing your tests.