Projektspeicher_Abfrage beim Start behoben (3.40/3.44

tests/test_verfahrensgebiet_manager.py

@@ -0,0 +1,39 @@
+import unittest
+from unittest.mock import patch
+
+from sn_basis.functions import verfahrensgebiet_manager
+
+
+class _Scope:
+    def __init__(self, value: str):
+        self._value = value
+
+    def variable(self, _name: str) -> str:
+        return self._value
+
+
+class TestVerfahrensgebietManager(unittest.TestCase):
+
+    @patch("sn_basis.functions.verfahrensgebiet_manager._find_verfahrensgebiet_layer")
+    @patch("sn_basis.functions.variable_wrapper.QgsProject.instance")
+    @patch("sn_basis.functions.variable_wrapper.QgsExpressionContextUtils.setProjectVariable")
+    @patch("sn_basis.functions.variable_wrapper.QgsExpressionContextUtils.projectScope")
+    def test_update_without_layer_does_not_write_when_already_empty(
+        self,
+        mock_project_scope,
+        mock_set_project_variable,
+        mock_project_instance,
+        mock_find_layer,
+    ):
+        mock_find_layer.return_value = (None, None)
+        mock_project_instance.return_value = object()
+        mock_project_scope.return_value = _Scope("")
+
+        result = verfahrensgebiet_manager._update_verfahrensgebiet_from_project()
+
+        self.assertFalse(result)
+        mock_set_project_variable.assert_not_called()
+
+
+if __name__ == "__main__":
+    unittest.main()