This is Richard Jones' webunit. It has the following features:

1. Browser-like page fetching including fetching the images and stylesheets
needed for a page and following redirects
2. Cookies stored and trackable (all automatically handled)
3. HTTP, HTTPS, GET, POST, basic auth all handled, control over expected
status codes, ...
4. DOM parsing of pages to retrieve and analyse structure, including simple
form re-posting
5. Two-line page-fetch followed by form-submit possible, with error checking
6. Ability to register error page content across multiple tests
7. Uses python's standard unittest module as the underlying framework