selenium introduction

OPEN SOURCE

APACHE LICENSE 2.0

https://code.google.com/p/selenium/source/browse

SELENIUM AUTOMATES BROWSERS

ALL MAJOR BROWSERS

ON ALL MAJOR (DESKTOP) OPERATING SYSTEMS

… AND MOBILE*WEB, NATIVE, AND HYBRID APPLICATIONS

* Via appium, Selendroid, ios-driver and WP driver.

No Proprietary IDE / Language

Selenium 2

Selenium WebDriver

SeleniumGrid with Selenium

RC

SeleniumIDE

Browser Automation

APILocal + Remote

Centrally managed parallel

execution in diverse

environments

A FF record-playback tool

mostly used for fast

prototyping

(Since 2011)

Selenium IDE

SELENIUM IDEA Firefox Add-on for recording, editing and running tests.Over 10M downloads to date!

PROS:

• No programming skills required

• Easy record and playback• Step by step debugger• Play tests on any browser• Export tests as WebDriver

tests• Extensible

CONS:

• Based on SeleniumCore• No code reuse• No iterations and

conditional statements• No exception handling• No error recovery

Selenium WebDriver

HOW DOES IT WORK?

webdriver.xpi

IEDriverServer.exe

XPCOM

COM

WIRE (JSON / HTTP)

WIRE (JSON / HTTP)

Selenium RC

What is it?• Selenium RC was the main project of Selenium for long time, before

webdriver.• It is still supported and provides some feature which are not present in

latest Selenium 2• It supports several languages and almost all the web browsers in the

market.

How to launch?java -jar selenium-server-standalone-2.41.0.jar

Difference between Selenium RC and Selenium WebDriver

Selenium RC Selenium Webdriver

Selenium Grid

WHY GRID?

Scale by distributing tests (parallel execution)

Run tests against a vast combination of browsers / OS.

HOWDOESIT WORK?