On Mon, Mar 31, 2014 at 08:19:43PM -0700, Michael R. Crusoe wrote:
> > @@ -111,6 +112,12 @@ def DEBUG_runscript(scriptname, args, in_directory=None, fail_ok=False):
> >      return status, "", ""
> >  
> >  
> > +def test_check_space():
> > +    # @CTB this probably belongs in a new test file, along with other
> > +    # tests of the file.py module.
> > +    khmer.file.check_space(['', utils.get_test_data('test-abund-read-2.fa')])
> 
> Should check_space() cycle through to the first non-empty path then?

That's not the relevant problem here; the problem is with statvfs of an
empty string.  Probably better ways to trigger the bug but this works.