daisy-consortium/pipeline-framework — pull request #6 by capitancambio (2013-04-03 18:04:00+00:00)
Title: Make sure that we have mapped resources before building results

http://code.google.com/p/daisy-pipeline/issues/detail?id=289

I reckon the check should be done as low level as possible (when creating the results), although the way of checking may be a little bit naive it works pretty well.