md_doc
This first of four articles introduces the Puffin testing system. Puffin is an open source framework for testing Web applications. With Puffin you can build dynamically driven regression tests for even the most complex Web applications. Written in 100% Python, Puffin is easily extended to handle even obscure testing conditions. Read Web application testing with Puffin: Part 1 tutorial here. (http://www.opensourcetutorials.com/tutorials/Server-Side-Coding/Python/application-testing-puffin-1/page1.html)