tests überarbeitet

tests/test_dockwidget.py

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+import sys
+import types
+import unittest
+from unittest.mock import patch
+
+if "qgis" not in sys.modules:
+    qgis_mod = types.ModuleType("qgis")
+    qgis_utils = types.ModuleType("qgis.utils")
+    qgis_utils.iface = types.SimpleNamespace()
+    qgis_utils.plugins = {}
+    qgis_mod.utils = qgis_utils
+    sys.modules["qgis"] = qgis_mod
+    sys.modules["qgis.utils"] = qgis_utils
+
+from sn_verfahrensgebiet.ui.dockwidget import DockWidget
+
+
+class _DummyTabWidget:
+    def __init__(self):
+        self.tabs = []
+
+    def addTab(self, widget, title):
+        self.tabs.append((widget, title))
+
+
+class _TabWithServices:
+    tab_title = "WithServices"
+
+    def __init__(self, _parent):
+        self.services = None
+
+    def set_services(self, pruefmanager=None, data_grabber=None):
+        self.services = (pruefmanager, data_grabber)
+
+
+class _TabWithoutServices:
+    tab_title = "WithoutServices"
+
+    def __init__(self, _parent):
+        pass
+
+
+class _TabRaises:
+    tab_title = "Broken"
+
+    def __init__(self, _parent):
+        raise RuntimeError("boom")
+
+
+class TestDockWidget(unittest.TestCase):
+
+    @patch("sn_verfahrensgebiet.ui.dockwidget.QTabWidget", _DummyTabWidget)
+    def test_init_tabs_with_services_injects_available_services(self):
+        obj = DockWidget.__new__(DockWidget)
+        obj.tabs = [_TabWithServices, _TabWithoutServices]
+        obj.pruefmanager = object()
+        obj.data_grabber = object()
+        obj._set_widget_calls = []
+        obj.setWidget = lambda value: obj._set_widget_calls.append(value)
+
+        DockWidget._init_tabs_with_services(obj)
+
+        self.assertEqual(len(obj._set_widget_calls), 2)
+        tab_widget = obj._set_widget_calls[-1]
+        self.assertIsInstance(tab_widget, _DummyTabWidget)
+        self.assertEqual(len(tab_widget.tabs), 2)
+
+        first_tab = tab_widget.tabs[0][0]
+        self.assertEqual(first_tab.services, (obj.pruefmanager, obj.data_grabber))
+
+    @patch("sn_verfahrensgebiet.ui.dockwidget.error")
+    @patch("sn_verfahrensgebiet.ui.dockwidget.QTabWidget", _DummyTabWidget)
+    def test_init_tabs_with_services_reports_errors(self, mock_error):
+        obj = DockWidget.__new__(DockWidget)
+        obj.tabs = [_TabRaises]
+        obj.pruefmanager = object()
+        obj.data_grabber = object()
+        obj.setWidget = lambda _value: None
+
+        DockWidget._init_tabs_with_services(obj)
+
+        mock_error.assert_called_once()
+
+
+if __name__ == "__main__":
+    unittest.main()