diff --git a/tests/test_simple_util.py b/tests/test_simple_util.py
new file mode 100644
index 0000000000000000000000000000000000000000..dd778365c33943e09ee58e2438121e50145a5026
--- /dev/null
+++ b/tests/test_simple_util.py
@@ -0,0 +1,71 @@
+#
+# Aura Engine (https://gitlab.servus.at/aura/engine)
+#
+# Copyright (C) 2017-now() - The Aura Engine Team.
+
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU Affero General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU Affero General Public License for more details.
+
+# You should have received a copy of the GNU Affero General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+
+import datetime
+import json
+import unittest
+from unittest import mock
+
+import requests
+
+from aura_engine.base.config import AuraConfig
+from aura_engine.base.utils import SimpleUtil as SU
+
+
+class TestSimpleUtil(unittest.TestCase):
+    """
+    Test simple utility functions.
+    """
+
+    config = None
+
+    #
+    # Setup
+    #
+
+    def setUp(self):
+        self.config = AuraConfig.instance.config
+
+    #
+    # Tests
+    #
+
+    def test_timestamp(self):
+        print(self._testMethodName)
+
+        ts = SU.timestamp()
+        self.assertIsNotNone(ts)
+
+        dt = datetime.datetime(2024, 3, 15, 14, 8, 33, 0)
+        ts = SU.timestamp(dt)
+        self.assertIsNotNone(ts)
+        self.assertEqual(1710508113.0, ts)
+
+    def test_timestamp_to_datetime(self):
+        print(self._testMethodName)
+
+        expected_dt = datetime.datetime(2024, 3, 15, 14, 8, 33, 0)
+        ts = 1710508113.0
+        dt = SU.timestamp_to_datetime(ts)
+        self.assertIsNotNone(dt)
+        self.assertEqual(expected_dt, dt)
+
+
+if __name__ == "__main__":
+    unittest.main()