'The C{\'\'} child of a L{File} which corresponds to a directory in the
filesystem is a L{DirectoryLister}.'

def test_emptyChild(self):

    base = FilePath(self.mktemp())
    base.makedirs()
    file = static.File(base.path)
    request = DummyRequest([''])
    child = resource.getChildForRequest(file, request)
    self.assertIsInstance(child, static.DirectoryLister)
    self.assertEqual(child.path, base.path)
