diff --git a/tests/test_permanent_memory.py b/tests/test_permanent_memory.py
new file mode 100644
index 000000000000..943c61febe7a
--- /dev/null
+++ b/tests/test_permanent_memory.py
@@ -0,0 +1,59 @@
+import os
+import unittest
+
+from autogpt.permanent_memory.sqlite3_store import MemoryDB
+
+
+class TestMemoryDB(unittest.TestCase):
+    def setUp(self):
+        self.db_filename = "test_db.sqlite3"
+        self.db = MemoryDB(self.db_filename)
+
+    def tearDown(self):
+        self.db.quit()
+        os.remove(self.db_filename)
+
+    def test_overwrite_and_get_session(self):
+        self.db.insert("The quick brown fox jumps over the lazy dog")
+        self.db.insert("The five boxing wizards jump quickly")
+
+        # Overwrite the second text
+        self.db.overwrite(1, "The slow elephant walks carefully")
+
+        # Get the session and verify the texts
+        session = self.db.get_session()
+        self.assertEqual(len(session), 2)
+        self.assertIn("The quick brown fox jumps over the lazy dog", session)
+        self.assertIn("The slow elephant walks carefully", session)
+
+        # Overwrite the first text
+        self.db.overwrite(0, "The lazy dog jumps over the quick brown fox")
+
+        # Get the session and verify the texts
+        session = self.db.get_session()
+        self.assertEqual(len(session), 2)
+        self.assertIn("The lazy dog jumps over the quick brown fox", session)
+        self.assertIn("The slow elephant walks carefully", session)
+
+    def test_delete_memory(self):
+        self.db.insert("The quick brown fox jumps over the lazy dog")
+        self.db.insert("The five boxing wizards jump quickly")
+
+        # Delete the first text
+        self.db.delete_memory(0)
+
+        # Get the session and verify the remaining text
+        session = self.db.get_session()
+        self.assertEqual(len(session), 1)
+        self.assertIn("The five boxing wizards jump quickly", session)
+
+        # Delete the remaining text
+        self.db.delete_memory(1)
+
+        # Get the session and verify that it's empty
+        session = self.db.get_session()
+        self.assertEqual(len(session), 0)
+
+
+if __name__ == "__main__":
+    unittest.main()