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

2. How do you test web applications?

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

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

5. System Tests

6. 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

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

8. Live Demo

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

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

12. Live Demo

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

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

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

18. 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

19. Thank you.

20. http://inside.e-novative.de (en) http://www.priebsch.de (de) stefan.priebsch@e-novative.de