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Intro of Selenium

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Objective

Introduction to aspects of Selenium Target audience: anyone who has interests

in web-app automation

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Dilemmas

UI changes Platforms Browsers Development efforts Maintainance efforts

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What is Selenium?

Web-based App testing tool, running directly in browser.

Implemented entirely with browser techs DHTML JavaScript Frames

Works by inspecting DOM

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What can do?

Browsers-compatible testing – one script, many browsers

Acceptance testing Regression testing

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Behind the scenes

Deploy BrowserBot alongside AUT Use JS and IFrame to embed BrowserBot Engine is tweaked to support wide range of

browsers on different OS

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Quick Demo

Access google.com Input keyword “selenium” Verify a link

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Script looks

Html table<table cellpadding="1" cellspacing="1" border="1"> <tr> <td>open</td><td>/</td><td></td> </tr> <tr> <td>type</td><td>q</td><td>selenium</td> </tr> <tr> <td>clickAndWait</td><td>btnG</td><td></td> </tr> <tr> <td>verifyTextPresent</td><td>selenium.openqa.org</td><td></td> </tr></table>

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Script model

Command Target Value

open /

type q selenium

clickAndWait btnG

verifyTextPresent selenium.openqa.org

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Action

open type click select clickAndWait

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VP

verifyXXX assertXXX For ajax use:

waitForXXX waitForCondition

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Locators

Identify elements via locators: id=id link=name dom=document.select[2] xpath=//input[@name=‘btn’] css=a[href=‘#id2’]

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String matching

glob:pattern * ?

regexp:pattern exact:string

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Playback

Run Walk Step

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Test Suite

Html table<table> <tr> <td>Test Suite</td> </tr> <tr> <td><a target="testFrame" href=“google.html">test G

oogle</a></td> </tr></table>

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Components

Core IDE RC Grid

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Selenium Core

Basis of Selenium IDE and RC Runs test suites on the same server to

avoid the Same Origin problem Don’t have same flexibility as RC, but tests

and code under test is in the same spot

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Selenium IDE

for quick recording of tests, but it somewhat lacks for power

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Selenium RC

Different langs binding Gives the ability to drive Selenium from a re

al programming language (Java, Perl, Python, Ruby, and more)

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Selenium Grid

extends Selenium RC to distribute your tests across multiple servers, saving you time by running tests in parallel.

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Browsers support

Browser IDE RC Core

FF 3 Y Y Y

FF 2 Y Y Y

IE 8b1 N/A ? ?

IE 7 N/A Y Y

Safari 3 N/A Y Y

Safari 2 N/A Y Y

Opera 9 N/A Y Y

Opera 8 N/A Y Y

Others N/A Partial

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OS Support

OS IDE RC Core

Windows works on FF 2+ Y Y

OS X works on FF 2+ Y Y

Linux works on FF 2+ Y Y

Solaris works on FF 2+ Y Y

Others works on FF 2+ Y Y

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Tips

Data-driven Dynamic pages(php, jsp) Record your script in S-IDE, then use it as a

base for a S-RC script Use Firebug to give you the XPath

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Extension

There are a lot of commands - you can even add your own custom commands into the user-extensions.js

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Problems encountered

Bug Tweak Not support native dialog

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Selenium vs. RFT

Development Deployment Platform/browsers support Maintainance Scope

Use right tool case by case

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Where to get?

http://selenium.openqa.org/