Selenium is automating web applications for testing purposes. Nearly all of the software applications today are written as web-based applications to be run in an Internet browser. Now a day’s many organizations are using some form of Agile methodology, test automation is frequently becoming a requirement for software projects. Test automation means using a software tool to run repeatable tests against the application to be tested.
Advantages of the automation tools are repeatability of the tests and the speed at which the tests can be executed. Selenium is possibly the most widely-used open source solution. It support for several languages (Java, JavaScript, Ruby, PHP, Python, Perl and C#) and support for almost every browser out there.
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