def test_write_section(self):

->     tempfile = temppath.ensure('filewriter', file=True)

       fw = self.get_filled_writer(FileWriter, tempfile)

       data = tempfile.read()

       assert len(data)

   def ensure(self, *args, **kwargs):

       """ ensure that an args-joined path exists (by default as

               a file). if you specify a keyword argument 'dir=True'

               then the path is forced to be a directory path.

           """

       p = self.join(*args)

       if kwargs.get('dir', 0):

           return p._ensuredirs()

       else:

->         p.dirpath()._ensuredirs()

           if not p.check(file=1):

               p.write("")

           return p

   def _ensuredirs(self):

->     parent = self.dirpath()

       if parent == self:

           return self

       if parent.check(dir=0):

           parent._ensuredirs()

       if self.check(dir=0):

           try:

               self.mkdir()

           except py.error.EEXIST:

               # race condition: file/dir created by another thread/process.

               # complain if it is not a dir

               if self.check(dir=0):

                   raise

       return self

   def dirpath(self, *args, **kwargs):

       """ return the directory Path of the current Path joined

               with any given path arguments.

           """

->     return self.new(basename='').join(*args, **kwargs)