tests überarbeitet

tests/test_settings_logic.py

@@ -55,6 +55,32 @@ class TestSettingsLogic(unittest.TestCase):
         self.assertIn("gemeinden", saved_keys)
         self.assertNotIn("unbekannt", saved_keys)
 
+    @patch("sn_basis.functions.settings_logic.get_variable")
+    def test_load_handles_partial_values_with_empty_fallback(self, mock_get):
+        values = {
+            "amt": "A1",
+            "behoerde": "",
+            "landkreis_user": "L1",
+        }
+        mock_get.side_effect = lambda key, scope="project": values.get(key, "")
+
+        logic = SettingsLogic()
+        daten = logic.load()
+
+        self.assertEqual(daten["amt"], "A1")
+        self.assertEqual(daten["behoerde"], "")
+        self.assertEqual(daten["landkreis_user"], "L1")
+        self.assertEqual(daten["sachgebiet"], "")
+
+    @patch("sn_basis.functions.settings_logic.set_variable")
+    def test_save_empty_string_value_is_persisted(self, mock_set):
+        logic = SettingsLogic()
+
+        logic.save({"amt": "", "behoerde": "B2"})
+
+        mock_set.assert_any_call("amt", "", scope="project")
+        mock_set.assert_any_call("behoerde", "B2", scope="project")
+
 
 if __name__ == "__main__":
     unittest.main()