roundup - kills shell eating bugs and weeds

roundup(1) is a unit testing tool for running roundup(5) test plans which are
written in any POSIX shell.  Each test in a plan is run in its own isolated
sandbox.  A test can pass, be ignored, or fail.  Failed tests output their `set
-x` trace.


More information and examples:
  http://itsbonus.heroku.com/p/2010-11-01-roundup
  http://bmizerany.github.com/roundup