def METHOD_NAME(self):
    fn = os.path.join(self.blob_dir, 'newblob')
    write_file(fn, 'here a blob')
    blobhelper = self._make_default()
    blobhelper.restoreBlob(None, test_oid, test_tid, fn)
    self.assertEqual(self.uploaded[:2], (1, 2))
    target_fn = self.uploaded[2]
    self.assertEqual(read_file(target_fn), 'here a blob')