Selenium Presentation at Engineering Colleges

Selenium Test Automation Tool

23/02/2013

Selenium Open Source Test Automation Tool

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Over View of Seminar
 Open Source & Test Automation
 Generations of various Framework & Scripting techniques
 What is Selenium
 Benefits of Selenium
 Browser, Operating Systems & Languages Support
 History of Selenium & Seleniumhq.org
 Selenium IDE, RC, WebDriver & Grid
 Why choose Selenium?
 Growing importance of Selenium
 Integration with Java and .NET
 Demo of Automation to http://www.nie.ac.in/
 Question & Answers
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Open Source Software
Open Source Software (OSS) is computer software with it Source code made
available & licensed with an open source license in which the copyright holder
provides the rights to study, change & distribute the software to anyone &
for any purpose.

Test Automation
Test automation is the use of Special Software to control the execution of tests
and the comparison of actual outcomes to predicted outcomes.

Framework
A framework is an integrated system that sets the rules of automation for a
specific product

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Generations of Various Framework & Scripting techniques
1st Generation: Linear – Procedural code, possibly generated by tools, such as record
& playback scripting.
2nd Generation: Structured – Use control structures, if-else, switch, for, while
conditions / statements.
3rd Generation: Data driven – Test script data persist outside the script in DB,
spreadsheet, cvs, etc.
4th Generation: Keyword driven – Test script instructions / statements persist in
spreadsheet, property files.
5th Generation: Hybrid – two or more of the patterns above are user, its also called as
script less automation (less scripting)

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Selenium Open Source Test Automation

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What is Selenium
 Selenium is an open source testing tool for automating web based applications.
 It can automate only web based applications.
 It works on multiple browsers and multiple operating systems.
 Helpful to distribute/scale your test cases across multiple platforms.
 Being open source and very strong in nature, demand for this tool is
increasing.
Components of Selenium





Selenium IDE
Selenium 1 (Remote Control)
Selenium 2 (WebDriver)
Selenium Grid

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Benefits of Selenium
 Open source
 Works on multiple browsers
 Works on multiple Operating Systems
 Supports many languages for scripting
 Supports to tests Ajax Applications, Flash Applications & Database Testing
 Multiple test frameworks are supported (Junit4, TestNg, Data driven, Keyword
driven, Hybrid, etc)
 Can be used for Functional, Regression & Browser compatibility testing

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You need to download & configure the required library from the url
http://seleniumhq.org/download/

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http://seleniumhq.org/
The official website of Selenium, contents of the web site
Projects:






Selenium IDE
Selenium Remote Control
Selenium WebDriver
Selenium Grid

Downloads: You can find the latest releases of all the Selenium components
Documentation: Complete Selenium Documentation with Programming Language
Preference to Java, C# (Csharp), Python, Ruby, Php, Perl
Support: Getting Help, User Group, Chat Room, Bug Tracker, Commercial
Support
About Selenium: News/Blog, Selenium Events, Who made Selenium, History,
Roadmap, Get involved,
Documentation. Selenium sponsors.

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Selenium IDE (Integrated Development Environment)
 The IDE is a record and playback tool with built-in debugger and editor
 The IDE is an add-on for Mozilla Firefox only, works only on Firefox.
 The IDE automatically creates test scripts in the Selenese HTML table
format
 The IDE can generate code into a wide variety of languages and test
frameworks. Such as HTML Selenese, C#, Java, Perl, PHP, Python, Ruby,
Bromine, JUnit, NUnit, RSpec, Test::Unit, TestNG, etc.

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Selenium IDE (Firefox plug-in tool)

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Selenium RC

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Selenium WebDriver
 WebDriver is designed to providing an simpler, more concise programming
interface along with addressing some limitations in the Selenium-RC API
(Application Program Interface).
 Selenium-WebDriver was developed to better support dynamic web pages.
 Selenium-WebDriver makes direct calls to the browser using each browser’s
native support for automation.
 You may, or may not, need the Selenium Server, depending on how you
intend to use Selenium-WebDriver.

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Flow of Selenium RC

Selenium selenium = new DefaultSelenium("localhost",4444,
"*chrome", “http://www.nie.ac.in");

Flow of Selenium Web Driver

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Selenium Web Driver flow for Chrome & IE
browser

public static WebDriver driver;
driver = new ChromeDriver();

public static WebDriver driver;
driver = new InternetExplorerDriver();

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Selenium Grid
•

The Grid distributes your tests on multiple machines so that you can
run your tests in parallel
– Tests can be ran in parallel for reduced execution time
– Test can be ran on various browser and operating system
combinations
– Generates a collated report from all test machines

•

The Grid can be run on a server farm or in the Cloud
– The tests are distributed by the Hub server to multiple Selenium
RC machines
– The tests can be ran by various Cloud computing services such
as Amazon EC2, Sauce Labs, BrowserMob, and PushToTest
– The Grid is written in Java for portability and is executed from
the command line

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Selenium Grid

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Selenium Grid - Concept
Selenium Grid can be used to run multiple instances on various operating
system and browser configurations.

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Why choose Selenium?
•

•
•
•

The Selenium client libraries can be imported into most popular
language IDE’s
– Eclipse, NetBeans, Visual Studio .NET, etc.
– Reuses existing unit testing frameworks
– Integrated into Fitnesse frameworks
Used by QA test teams for functional, regression, and user
acceptance testing (UAT)
Integration into the build process has made it easy to deploy into
Continuous Integration Environments
Used by Developers for test driven development (TDD) in the Agile
and extreme programming (XP) community

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•

Expanded usage by Developers into other areas
– Conversion into production monitoring and load testing
– Extended hooks into Flash, Flex, and other popular technologies

•

Strong support for AJAX technologies

•

Cross platform browser and operating system comparison testing

•

Run tests in parallel
– Using the Grid tests can be run in parallel across multiple RC
(agent) machines from a single Hub machine
– Saves time, and runs faster

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•

Selenium is FREE!
– No licensing costs, so it can be deployed to as many machines as
needed in a lab or for local development
– No maintenance renewal costs

•

Use Cloud computing services
– If hardware is a limited, then opt to have a remote test lab in the
Cloud as needed
– Amazon EC2 (functional, regression testing)
– Sauce Labs (functional, regression testing)
– BrowserMob (production monitoring, load testing)
– PushToTest (production monitoring, functional testing, load testing)

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Integration with Java and .NET
Java

.NET

•

•

•
•

•

Object oriented
– Design and programming
TestNG/JUnit
– Common unit test framework
Ant/Maven
– Automatically build, deploy,
and test application
Bamboo/Hudson
– Continuous integration
– Automated test
reporting/notification

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•
•

Object oriented
– Design and programming
VSUnit, NUnit, MBUnit
– Common unit test framework
TFS Build
– Automatic build verification
tests (BVT)
– Continuous integration
– Automated test
reporting/notification


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Integration with Java and .NET
Java

.NET

•

•

Spring /Struts
– Integrates with application
– Interface with Java
components
– Interface with Web services
– Access Oracle/MySQL
databases

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.NET Framework
– Integrates with application
– Interface with .NET
components
– Interface with Web services
– Access SQL Server databases


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Demo of Automation to
http://www.nie.ac.in/

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Thank you for your time!

Vijay Kumar R
vijay.rangaiah@marlabs.com

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Selenium Presentation at Engineering Colleges

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