test format_title helper

surfsense_backend/tests/unit/notifications/service/messages/test_text.py

@@ -4,7 +4,7 @@ from __future__ import annotations
 
 import pytest
 
-from app.notifications.service.messages.text import truncate
+from app.notifications.service.messages.text import format_title, truncate
 
 pytestmark = pytest.mark.unit
 
@@ -22,3 +22,22 @@ def test_truncate_keeps_text_at_exact_limit():
 def test_truncate_appends_ellipsis_when_over_limit():
     """Text past the limit is cut to the limit and gains an ellipsis."""
     assert truncate("a" * 41, 40) == "a" * 40 + "..."
+
+
+def test_format_title_keeps_short_name():
+    """Short names are joined to the prefix without truncation."""
+    assert format_title("Ready: ", "report.pdf") == "Ready: report.pdf"
+
+
+def test_format_title_truncates_long_name():
+    """Long names are truncated so the full title fits the DB limit."""
+    long_name = "a" * 250
+    title = format_title("Processing: ", long_name)
+    assert len(title) == 200
+    assert title.startswith("Processing: ")
+    assert title.endswith("...")
+
+
+def test_format_title_respects_custom_max_length():
+    """A custom max length caps the title."""
+    assert len(format_title("Go: ", "hello world", max_length=10)) == 10