Introduction to selenium

Introduction to
Selenium
ARCHANA KRUSHNAN

Agenda
 Introduction and History
 What is Selenium
 Components of Selenium
 Selenium RC
 Selenium WebDriver
 Selenium Grid
 Selenium IDE
 Why Selenium over other tools ?

Introduction
 Selenium automates browsers.
 Its open source- Completely Free, all you need is a system and internet.
 Selenium can be executed on multiple platforms
 can be controlled by many programming languages and testing
frameworks.
 Support provided from several other open source tools like Jenkins, ANT
etc.
 Can be integrated with several defect tracking tools.

History
 Was developed by Jason Huggins in 2004 . He was a working on a in-
house project in Thoughtworks. He started working on Selenium Core.
 Dan Fabulich and Nelson Sproul, Created Selenium RC.
 Shinya Kasatani in Japan became interested in Selenium, and realised that
he could wrap the core code into an IDE module into the Firefox browser,
and be able to record tests as well as play them back in the same plugin.

What is Selenium ?
 Selenium is a robust tool that supports rapid development of test
automation for web-based applications.
 Can simulate a user navigating through pages and then assert for specific
marks on the pages
 Open source, web-based testing automation tool and cross-browser
compliant
 Open source tool
 Easy to use

Selenium Compatibility
Multiple
Browser
Compatibility
•Firefox
•Chrome
•Safari
•Opera
Multiple OS
Compatibility
•Windows
•Mac
•Android
•IOS
•Linux
Multiple
Language
Support
•Java
•Perl
•C#
•Ruby
Selenium

Selenium Components
Selenium
Selenium RC
Selenium
Web Driver
Selenium
Grid
Selenium IDE

Selenium RC (Remote Control)
 Selenium-RC provides an API (Application Programming Interface) and
library for each of its supported languages: HTML, Java, C#, Perl, PHP,
Python, and Ruby.
 This ability to use Selenium-RC with a high-level programming language
to develop test cases also allows the automated testing to be integrated
with a project’s automated build environment.
 Also known as Selenium 1

Selenium Web Driver
 Selenium WebDriver is the successor of Selenium Remote Control which
has been officially deprecated
 Selenium WebDriver is a collection of language specific bindings to drive a
browser .
 WebDriver is designed in a simpler and more concise programming
interface along with addressing some limitations in the Selenium-RC API.
 Also Known as Selenium 2
Selenium 1+ Selenium Web Driver = Selenium 2

Java Ruby PythonC# Perl PHP
Language Bindings
Selenium Web Driver
Browsers
IE Firefox Chrome Safari Opera

Selenium Grid
 Selenium Grid can run large test suites and test that must be run in
multiple environments
 Tests can be run in parallel with simultaneous execution (different tests
on different remote machines)
 It allows for running your tests in a distributed test execution
environment
 Used to run your tests against multiple browsers, multiple versions of
browser, and browsers running on different operating systems
 It reduces the time it takes for the test suite to complete a test pass

Selenium IDE
 If you want to create quick bug reproduction scripts or create scripts to aid
in automation-aided exploratory testing, then Selenium IDE is the best.
 Selenium IDE is an integrated development environment for Selenium
scripts
 Its an add on with firefox.
 It has record and play back functionality, Though it can record only record
on firefox, it can be modified to run in webdriver and RC.
 The tests can be modified, assertions can be added and test suite can be
created.

Features of Selenium IDE
 Easy record and playback
 Intelligent field selection will use IDs, names, or XPath as needed
 Autocomplete for all common Selenium commands
 Walk through tests
 Debug and set breakpoints
 Save tests as HTML, Ruby scripts, or any other format
 Support for Selenium user-extensions.js file
 Option to automatically assert the title of every page

Why Selenium Over other tools?
 Most powerful Open Source Automation tool available.
 Flexible with support to many languages
 Highly extensible
 Platform Support– Provides support on wide range of OS compared to any
other tool
 Parallel Testing- Supports parallel Testing
 Usability – Easy to use.
 ALM Integration – Provides integration with several bug tracking tools.

Feature Selenium QTP
Record and Play back Yes Yes
Language Support
Java,
C#,PHP,Python,Perl,Ruby VB Script
OS Support
Windows, Linux, Mac,
Andriod, IOS Windows
Ease of Execution Easy Easy
Browser Support
Firefox, IE, Chrome,
Opera, Safari IE
Support for Defect
managenent integration Several Few
Addins and Extensions Several Several
Cost Free Costly
Comparison of QTP over Selenium

References
 http://www.seleniumhq.org/
 https://saucelabs.com/selenium/selenium-grid
 http://www.developerfusion.com/

Author Biography
Professional History and Credentials:
Archana Krushnan is currently working as Test Analyst at Nihilent Technologies Pvt Ltd. She
has been in the field of Software Testing for more than 5 years and worked on several
domains such as Telecom, Ecommerce and Healthcare. She has previous experiences of
working with companies like Reliance Communications Ltd and Fab.com. Her interests
include exploring new things in testing and sharing on her blog..

Thank You !!!!
Prepared By :
Archana Krushnan
Test Analyst
For any queries Please email,
Email : archs_1988@rediffmail.com

Introduction to selenium

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