Testing Web Applications with Scripting Languages

Mark ReesCentury Software

twill

Simple language for web browsing Stress tester Web site tester http://code.google.com/p/twill

twill-sh

Interactive shell twill-sh

Scripted browsing twill-sh -u http://localhost:8087

Record twill scripts with scotch

twill-fork

Scripted stress testing twill-fork -n 100 -p 5 test-wiki.twill

twill - unit testing

twill-sh process directory of tests twill master run script Python unit test framework

twill – other features

Supports authentication Debug helpers Extended with user defined commands Handles “bad” html “in-process” wsgi support

twill – the cons

Advanced usage requires python skills It knows nothing about javascript

selenium

Test web apps from within the browser Linux, Mac OS X, Windows

ie6+, firefox 0.8-3.0, mozilla 1.6+, safari, opera 8+, chrome

http://www.openqa.org/selenium

Selenium Core

Uses javascript & iframes to embed test engine Core must be installed on webserver under test

Selenium IDE

Firefox extension Gets round core limitations Saves tests as

html or ruby ide scripts Selenium RC run scripts in

Java, C#, Perl, PHP, Python, Ruby

Selenium Remote Control

Allows auto web ui testing with any language 2 components

Selenium server, written in java Drivers for languages including python and

ruby

Selenium: how it works

Other options

Watir http://www.openqa.org/watir Watij http://www.openqa.org/watij Floyd http://www.openqa.org/floya HttpUnit http://httpunit.sf.net Sahi http://sahi.co.in/w/ WebDriver http://code.google.com/p/webdriver

WebDriver

One day will be part of selenium 2.0 Drives the browser using best native method Java & Python bindings

Questions

code:test-rst2html.twill

go http://localhost:8081/rst2htmlformvalue 1 text hellosubmitfind "hello"backfollow "Home"

code:test-rst2html-debug.twill

debug http 1go http://localhost:8081/rst2htmlformvalue 1 text hellosubmitfind "hello"backfollow "Home"