End-to-end Web Testing with Selenium Stefan Priebsch, e-novative GmbH ZendCon 2008, Santa Clara, CA

Stefan Priebsch, e-novative GmbH

ZendCon 2008, Santa Clara, CA

How do you test web applications?

Testing in a Nutshell Compare calculation result with expected value Automate it Repeat it (often)

Compare calculation result with expected value

Automate it

Repeat it (often)

Types of Tests Unit Tests System Tests Acceptance Tests Integration Tests Performance Tests Load Tests Usability Tests ... and don't forget security!

Unit Tests

System Tests

Acceptance Tests

Integration Tests

Performance Tests

Load Tests

Usability Tests

... and don't forget security!

System Tests

The Request Cycle Browser requests URL PHP generates HTML page Browser creates DOM tree Browser renders page Javascript transforms DOM tree Browser re-renders page Action triggers new request

Browser requests URL

PHP generates HTML page

Browser creates DOM tree

Browser renders page

Javascript transforms DOM tree

Browser re-renders page

Action triggers new request

Selenium IDE Capture & Replay Tool IDE for tests Firefox plugin http://selenium-ide.openqa.org/

Capture & Replay Tool

IDE for tests

Firefox plugin

http://selenium-ide.openqa.org/

Live Demo

Selenium RC Browser Remote Control Supports most current browsers Java Proxy http://selenium-rc.openqa.org/

Browser Remote Control

Supports most current browsers

Java Proxy

http://selenium-rc.openqa.org/

PHPUnit Integration http://www.phpunit.de pear channel-discover pear.phpunit.de pear install phpunit/phpunit PHPUnit_Extensions_SeleniumTestCase

http://www.phpunit.de

pear channel-discover pear.phpunit.de

pear install phpunit/phpunit

PHPUnit_Extensions_SeleniumTestCase

Live Demo

Continuous Integration CruiseControl, Continuum, Xinc http://cruisecontrol.sourceforge.net/ PHPUnderControl http://www.phpundercontrol.org

CruiseControl, Continuum, Xinc

http://cruisecontrol.sourceforge.net/

PHPUnderControl

http://www.phpundercontrol.org

Virtual Machines XEN, KVM, VirtualBox, VMware Test automation requires Snapshot Management Scripting (VM start and stop)

XEN, KVM, VirtualBox, VMware

Test automation requires

Snapshot Management

Scripting (VM start and stop)

Putting It Together setUp() Start virtual machine Install application Run test tearDown() Shutdown virtual machine Rollback to latest snapshot

setUp()

Start virtual machine

Install application

Run test

tearDown()

Shutdown virtual machine

Rollback to latest snapshot

This Gives You A flexible low-cost test lab to test your web application against different browsers against different operating systems against different databases in different configurations different application versions

A flexible low-cost test lab to test your web application

against different browsers

against different operating systems

against different databases

in different configurations

different application versions

Thank you.

http://inside.e-novative.de (en) http://www.priebsch.de (de) [email_address]