selenium

Selenium Intro
Selenium is an automation tool developed by Jason Huggins in 2004.

We going to selenium for
1)Open source tool
2)Supports web applications only
3)Integrate with data reporting tools like TestNG
4)Support multiple platforms-independence
5)Regression and functionality testing

Varies components in selenium are
1)Selenium IDE-It is the tool which help us to record and run the test suite for web applications
2)Selenium RC-It is the tool which help to write test suite in the languages like java,php,perl, etc., for our customization
3)Selenium Webdriver-when compared to RC-some inbuild comments are developed in Webdriver
4)Selenium Grid-it running multiple tests across different browsers, operating systems, and machines in parallel