def sync_map_settings(self):
     """
     Sync custom test QgsMapSettings to Project file
     """
     pal = QgsPalLabeling()
     pal.loadEngineSettings()
     pal.init(self._TestMapSettings)
     pal.saveEngineSettings()

 def test_partials_labels_deactivate(self):
     pal = QgsPalLabeling()
     # Disable partials labels
     pal.setShowingPartialsLabels(False)
     self.assertFalse(pal.isShowingPartialsLabels())

 def test_partials_labels_activate(self):
     pal = QgsPalLabeling()
     # Enable partials labels
     pal.setShowingPartialsLabels(True)
     self.assertTrue(pal.isShowingPartialsLabels())

 def test_default_partials_labels_enabled(self):
     # Verify ShowingPartialsLabels is enabled for PAL by default
     pal = QgsPalLabeling()
     self.assertTrue(pal.isShowingPartialsLabels())

 def test_layer_pal_activated(self):
     # Verify, via engine, that PAL labeling can be activated for layer
     lyr = self.defaultLayerSettings()
     self.layer.setLabeling(QgsVectorLayerSimpleLabeling(lyr))
     msg = '\nLayer labeling not activated, as reported by labelingEngine'
     self.assertTrue(QgsPalLabeling.staticWillUseLayer(self.layer), msg)

 def test_layer_pal_activated(self):
     # Verify, via engine, that PAL labeling can be activated for layer
     lyr = self.defaultLayerSettings()
     lyr.writeToLayer(self.layer)
     msg = "\nLayer labeling not activated, as reported by labelingEngine"
     self.assertTrue(QgsPalLabeling.staticWillUseLayer(self.layer), msg)