A slideshow about the selenium architecture

1. Selenium Architecture
Manish Chakravarty
ThoughtWorks Studios
23/05/09
© ThoughtWorks2009

2. Introduction to Selenium Architecture
Selenium
Core Coreless Driver RC
• External • Proxy server • quot;Connectorsquot; • Server + Driver
Dependency • Java • Libs written in
• Separte build Python, Perl, Java
target
• JavaScript
© ThoughtWorks2009

3. Selenium Core <-> Selenium Server
- Preparation of FF and IE for testing
- Selenium uses AJAX to pull command from Selenium Server
© ThoughtWorks2009

4. Selenium Server <-> Selenium Driver
- Communication over HTTP
- Commands are posted to /selenium-server/driver
- The posted command has to agree – “do”, “is”, “get”
© ThoughtWorks2009

5. Modes
- “pifirefox”
- “piexplore”
- “iehta”
- “chrome”
© ThoughtWorks2008

6. Proxy Injection Mode
Server
Core
(JS)
Web Browser
Proxy
Server
Web
Server
© ThoughtWorks2009

7. Proxy Injection Mode
© ThoughtWorks2009

8. Limitations and Other Alternatives
- Slow
- Restriction on parameters being passed
- Not easily extendable
- You can writer your own use extensions though
© ThoughtWorks2009

9. Thanks!
Q&A
http://groups.google.com/group/indian-selenium-users-group
© ThoughtWorks2008