zentest autotest and much more Description ZenTest provides 4 different tools: zentest, unit_diff, autotest, and multiruby. ZenTest scans your target and unit-test code and writes your missing code based on simple naming rules, enabling XP at a much quicker pace. ZenTest only works with Ruby and Test::Unit. Nobody uses this tool anymore but it is the package namesake, so it stays. unit_diff is a c