Any format which is targeted for humans (.html, .doc, whatever) would be good. I cannot find any plugin that provides it All I found was XUNIT or XML output..
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22answers:
2I don't know of a stand-alone visualization tool, but Hudson can graph your test and coverage results. If there's a failure, it will list the problems on a web page with hyperlinks to each individual test result.
This blog post explains the setup: http://heisel.org/blog/2009/11/21/django-hudson/. There's a screenshot at the bottom that shows what's possible. It's geared toward django, but the idea is applicable to any python app.
A continuous integration server gives you many benefits beyond just graphing your test results. Hudson can automatically checkout your code after a subversion commit, run all your tests, email you if there's a failure, etc..
Nose has an html output module! (the --cover-html option). See here : http://somethingaboutorange.com/mrl/projects/nose/0.11.1/plugins/cover.html