Use cached index in EntryManager

src/tests/test_index_cache.py

@@ -0,0 +1,33 @@
+from pathlib import Path
+from tempfile import TemporaryDirectory
+from unittest.mock import patch
+
+from helpers import create_vault, TEST_SEED, TEST_PASSWORD
+from password_manager.entry_management import EntryManager
+from password_manager.backup import BackupManager
+from password_manager.config_manager import ConfigManager
+
+
+def test_index_caching():
+    with TemporaryDirectory() as tmpdir:
+        vault, _ = create_vault(Path(tmpdir), TEST_SEED, TEST_PASSWORD)
+        cfg_mgr = ConfigManager(vault, Path(tmpdir))
+        backup_mgr = BackupManager(Path(tmpdir), cfg_mgr)
+        entry_mgr = EntryManager(vault, backup_mgr)
+
+        # create initial entry so the index file exists
+        entry_mgr.add_entry("init", 8)
+        entry_mgr.clear_cache()
+
+        with patch.object(vault, "load_index", wraps=vault.load_index) as mocked:
+            idx = entry_mgr.add_entry("example.com", 8)
+            assert mocked.call_count == 1
+
+            entry = entry_mgr.retrieve_entry(idx)
+            assert entry["label"] == "example.com"
+            assert mocked.call_count == 1
+
+            entry_mgr.clear_cache()
+            entry = entry_mgr.retrieve_entry(idx)
+            assert entry["label"] == "example.com"
+            assert mocked.call_count == 2