Selenium Lesson 1 – Selenium Overview
Selenium is one of the most famous open source automation tool in the world. Selenium was originally developed by Jason Huggins in 2004. later on ThroughtWorks developers also join him to develop it further. The name comes from a joke made by Huggins in an email, mocking a competitor named Mercury, saying that you can cure mercury poisoning by taking Selenium supplements. Selenium is Website test automation tool. it also helps you to test the mobile application which has webforms.
Tool Cost: Free (Open Source)
Object Identification Technique : DOM
Lets talk about the Technical Capabilities of it. Selenium has 4 components
- Selenium IDE: Selenium IDE is Record and playback tool which helps Tester to record and playback the script. It is Firefox plugin and it does not available for other browsers.
- Selenium Webdriver: Selenium Webdriver is also called as Selenium 2. this is latest version of Selenium. it has much improved Selenium API. now it uses internet browser’s automation mechanism to execute the commands on browsers.
- Selenium Grid: Selenium Grid provides the test execution mechanism to execute the test cases on different machines.
- Open Source
- Big user Base
- support variety of scripting languages.
- also supports only webform based mobile applications
- It only supports Web and limited mobile applications
- More scripting required as it does not have IDE
- having limitations on automating custom controls, flash controls.
Selenium webdriver architecture you can find here
Overall Selenium is unbeatable automation tool for web automation.