--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/tests/test_treesum.py	Mon May 12 15:33:16 2025 +0200
@@ -0,0 +1,38 @@
+# -*- coding: utf-8 -*-
+# :-
+# SPDX-FileCopyrightText: © 2025 Franz Glasner
+# SPDX-License-Identifier: BSD-3-Clause
+# :-
+r"""Unit tests for treesum
+
+"""
+
+from __future__ import absolute_import, print_function
+
+import os
+import shutil
+import sys
+import unittest
+
+from _test_setup import (DATADIR, TMPDIR)
+
+import cutils.treesum
+
+
+class TreesumTests(unittest.TestCase):
+
+    def setUp(self):
+        if not os.path.isdir(TMPDIR):
+            os.mkdir(TMPDIR)
+
+    def tearDown(self):
+        if os.path.isdir(TMPDIR):
+            shutil.rmtree(TMPDIR)
+
+    def test_xxx(self):
+        self.assertTrue(True)
+
+
+if __name__ == "__main__":
+    print(TMPDIR)
+    sys.exit(unittest.main())