Selenium is the web application frame work that allow to write a test case for many programming. It is a open source tool. Selenium is a portable testing framework browser automatically.
Components of Selenium:
Selenium IDE is a complete integrated development environment (IDE) for Selenium tests. Scripts are recorded in, a special test scripting language for Selenium.
Selenium client API:
- Selenium Client API help you write a test in various programming languages.With Selenium 2,
Selenium Remote Control (RC)
- It is a server, written in Java, that accepts commands for the browser via HTTP.
Selenium WebDriver :
It is the successor to Selenium RC. Selenium WebDriver accepts commands (sent in Selenese, or via a Client API) and sends them to a browser.
It is a server that allows tests to use web browser instances running on remote machines.
Support across browsers:
- Selenium provides support across multiple browsers, namely, Internet Explorer, Chrome, Firefox, Opera,
- Safari, etc. This becomes highly resourceful while executing tests and testing it across various browsers simultaneously.
The browsers supported by the Selenium packages are:
- Selenium IDE can be used with Firefox as a plug-in
- Selenium RC and Webdriver supports diverse browsers such as Internet Explorer
Why Selenium Is Popular:
Selenium is a open source. It is used by many major online enterprises for testing their web interfaces including Facebook and Google. Once set up, it is delivers an efficient way to generate test scripts, validate functionality and reuse these scripts in automated test frameworks.Selenium requires a significant amount of technical expertise and third-party tools to become fully functional.so these are the reason selenium is more popular.
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