Add notification tracking and tests

src/constants.py

@@ -51,6 +51,9 @@ MAX_PASSWORD_LENGTH = 128  # Maximum allowed password length
 # Timeout in seconds before the vault locks due to inactivity
 INACTIVITY_TIMEOUT = 15 * 60  # 15 minutes
 
+# Duration in seconds that a notification remains active
+NOTIFICATION_DURATION = 10
+
 # -----------------------------------
 # Additional Constants (if any)
 # -----------------------------------

src/password_manager/manager.py

@@ -75,6 +75,7 @@ from constants import (
     DEFAULT_PASSWORD_LENGTH,
     INACTIVITY_TIMEOUT,
     DEFAULT_SEED_BACKUP_FILENAME,
+    NOTIFICATION_DURATION,
     initialize_app,
 )
 
@@ -137,6 +138,8 @@ class PasswordManager:
         self.nostr_client: Optional[NostrClient] = None
         self.config_manager: Optional[ConfigManager] = None
         self.notifications: queue.Queue[Notification] = queue.Queue()
+        self._current_notification: Optional[Notification] = None
+        self._notification_expiry: float = 0.0
 
         # Track changes to trigger periodic Nostr sync
         self.is_dirty: bool = False
@@ -228,8 +231,26 @@ class PasswordManager:
         self.last_activity = time.time()
 
     def notify(self, message: str, level: str = "INFO") -> None:
-        """Enqueue a notification for later retrieval."""
-        self.notifications.put(Notification(message, level))
+        """Enqueue a notification and set it as the active message."""
+        note = Notification(message, level)
+        self.notifications.put(note)
+        self._current_notification = note
+        self._notification_expiry = time.time() + NOTIFICATION_DURATION
+
+    def get_current_notification(self) -> Optional[Notification]:
+        """Return the active notification if it hasn't expired."""
+        if not self.notifications.empty():
+            latest = self.notifications.queue[-1]
+            if latest is not self._current_notification:
+                self._current_notification = latest
+                self._notification_expiry = time.time() + NOTIFICATION_DURATION
+
+        if (
+            self._current_notification is not None
+            and time.time() < self._notification_expiry
+        ):
+            return self._current_notification
+        return None
 
     def lock_vault(self) -> None:
         """Clear sensitive information from memory."""

src/tests/test_manager_current_notification.py

@@ -0,0 +1,45 @@
+import queue
+
+from pathlib import Path
+import sys
+
+sys.path.append(str(Path(__file__).resolve().parents[1]))
+
+from password_manager.manager import PasswordManager, Notification
+from constants import NOTIFICATION_DURATION
+
+
+def _make_pm():
+    pm = PasswordManager.__new__(PasswordManager)
+    pm.notifications = queue.Queue()
+    pm._current_notification = None
+    pm._notification_expiry = 0.0
+    return pm
+
+
+def test_notify_sets_current(monkeypatch):
+    pm = _make_pm()
+    current = {"val": 100.0}
+    monkeypatch.setattr("password_manager.manager.time.time", lambda: current["val"])
+    pm.notify("hello")
+    note = pm._current_notification
+    assert isinstance(note, Notification)
+    assert note.message == "hello"
+    assert pm._notification_expiry == 100.0 + NOTIFICATION_DURATION
+    assert pm.notifications.qsize() == 1
+
+
+def test_get_current_notification_ttl(monkeypatch):
+    pm = _make_pm()
+    now = {"val": 0.0}
+    monkeypatch.setattr("password_manager.manager.time.time", lambda: now["val"])
+    pm.notify("note1")
+
+    assert pm.get_current_notification().message == "note1"
+    assert pm.notifications.qsize() == 1
+
+    now["val"] += NOTIFICATION_DURATION - 1
+    assert pm.get_current_notification().message == "note1"
+
+    now["val"] += 2
+    assert pm.get_current_notification() is None