diff --git a/tests/test_nostr_backup.py b/tests/test_nostr_backup.py
new file mode 100644
index 0000000..d1926ea
--- /dev/null
+++ b/tests/test_nostr_backup.py
@@ -0,0 +1,39 @@
+import sys
+from pathlib import Path
+from tempfile import TemporaryDirectory
+from unittest.mock import patch
+from cryptography.fernet import Fernet
+
+sys.path.append(str(Path(__file__).resolve().parents[1]))
+
+from password_manager.encryption import EncryptionManager
+from password_manager.entry_management import EntryManager
+from nostr.client import NostrClient
+
+
+def test_backup_and_publish_to_nostr():
+    with TemporaryDirectory() as tmpdir:
+        tmp_path = Path(tmpdir)
+        key = Fernet.generate_key()
+        enc_mgr = EncryptionManager(key, tmp_path)
+        entry_mgr = EntryManager(enc_mgr, tmp_path)
+
+        # create an index by adding an entry
+        entry_mgr.add_entry("example.com", 12)
+        encrypted_index = entry_mgr.get_encrypted_index()
+        assert encrypted_index is not None
+
+        with patch(
+            "nostr.client.NostrClient.publish_json_to_nostr"
+        ) as mock_publish, patch("nostr.client.ClientPool"), patch(
+            "nostr.client.KeyManager"
+        ), patch.object(
+            NostrClient, "initialize_client_pool"
+        ), patch.object(
+            enc_mgr, "decrypt_parent_seed", return_value="seed"
+        ):
+            nostr_client = NostrClient(enc_mgr, "fp")
+            entry_mgr.backup_index_file()
+            nostr_client.publish_json_to_nostr(encrypted_index)
+
+        mock_publish.assert_called_with(encrypted_index)