def test_RemoveLayerShouldNotSegFault(self):
store = QgsMapLayerStore()
# Should not segfault
store.removeMapLayersById(['not_exists'])
store.removeMapLayer('not_exists2')
# check also that the removal of an unexistent layer does not insert a null layer
for k, layer in list(store.mapLayers().items()):
assert (layer is not None)
def test_RemoveLayerShouldNotSegFault(self):
store = QgsMapLayerStore()
# Should not segfault
store.removeMapLayersById(['not_exists'])
store.removeMapLayer('not_exists2')
# check also that the removal of an unexistent layer does not insert a null layer
for k, layer in list(store.mapLayers().items()):
assert(layer is not None)
def test_addRemoveLayersSignals(self):
""" test that signals are correctly emitted when removing map layers"""
store = QgsMapLayerStore()
layers_will_be_removed_spy = QSignalSpy(store.layersWillBeRemoved)
layer_will_be_removed_spy_str = QSignalSpy(
store.layerWillBeRemoved[str])
layer_will_be_removed_spy_layer = QSignalSpy(
store.layerWillBeRemoved[QgsMapLayer])
layers_removed_spy = QSignalSpy(store.layersRemoved)
layer_removed_spy = QSignalSpy(store.layerRemoved)
remove_all_spy = QSignalSpy(store.allLayersRemoved)
l1 = createLayer('l1')
l2 = createLayer('l2')
l3 = createLayer('l3')
l4 = createLayer('l4')
store.addMapLayers([l1, l2, l3, l4])
# remove 1 layer
store.removeMapLayer(l1)
# can't seem to actually test the data which was emitted, so best we can do is test
# the signal count
self.assertEqual(len(layers_will_be_removed_spy), 1)
self.assertEqual(len(layer_will_be_removed_spy_str), 1)
self.assertEqual(len(layer_will_be_removed_spy_layer), 1)
self.assertEqual(len(layers_removed_spy), 1)
self.assertEqual(len(layer_removed_spy), 1)
self.assertEqual(len(remove_all_spy), 0)
self.assertEqual(store.count(), 3)
# remove 2 layers at once
store.removeMapLayersById([l2.id(), l3.id()])
self.assertEqual(len(layers_will_be_removed_spy), 2)
self.assertEqual(len(layer_will_be_removed_spy_str), 3)
self.assertEqual(len(layer_will_be_removed_spy_layer), 3)
self.assertEqual(len(layers_removed_spy), 2)
self.assertEqual(len(layer_removed_spy), 3)
self.assertEqual(len(remove_all_spy), 0)
self.assertEqual(store.count(), 1)
# remove all
store.removeAllMapLayers()
self.assertEqual(len(layers_will_be_removed_spy), 3)
self.assertEqual(len(layer_will_be_removed_spy_str), 4)
self.assertEqual(len(layer_will_be_removed_spy_layer), 4)
self.assertEqual(len(layers_removed_spy), 3)
self.assertEqual(len(layer_removed_spy), 4)
self.assertEqual(len(remove_all_spy), 1)
#remove some layers which aren't in the store
store.removeMapLayersById(['asdasd'])
self.assertEqual(len(layers_will_be_removed_spy), 3)
self.assertEqual(len(layer_will_be_removed_spy_str), 4)
self.assertEqual(len(layer_will_be_removed_spy_layer), 4)
self.assertEqual(len(layers_removed_spy), 3)
self.assertEqual(len(layer_removed_spy), 4)
self.assertEqual(len(remove_all_spy), 1)
l5 = createLayer('test5')
store.removeMapLayer(l5)
self.assertEqual(len(layers_will_be_removed_spy), 3)
self.assertEqual(len(layer_will_be_removed_spy_str), 4)
self.assertEqual(len(layer_will_be_removed_spy_layer), 4)
self.assertEqual(len(layers_removed_spy), 3)
self.assertEqual(len(layer_removed_spy), 4)
self.assertEqual(len(remove_all_spy), 1)
def test_removeMapLayersById(self):
""" test removing map layers by ID """
store = QgsMapLayerStore()
# test no crash with empty store
store.removeMapLayersById(['bad'])
store.removeMapLayersById([None])
l1 = createLayer('test')
l2 = createLayer('test2')
l3 = createLayer('test3')
store.addMapLayers([l1, l2, l3])
self.assertEqual(store.count(), 3)
#remove bad layers
store.removeMapLayersById(['bad'])
self.assertEqual(store.count(), 3)
store.removeMapLayersById([None])
self.assertEqual(store.count(), 3)
# remove valid layers
l1_id = l1.id()
store.removeMapLayersById([l1_id])
self.assertEqual(store.count(), 2)
# double remove
store.removeMapLayersById([l1_id])
self.assertEqual(store.count(), 2)
# test that layer has been deleted
self.assertTrue(sip.isdeleted(l1))
# remove multiple
store.removeMapLayersById([l2.id(), l3.id()])
self.assertEqual(store.count(), 0)
self.assertTrue(sip.isdeleted(l2))
# try removing a layer not in the store
l4 = createLayer('test4')
store.removeMapLayersById([l4.id()])
self.assertFalse(sip.isdeleted(l4))
def test_addRemoveLayersSignals(self):
""" test that signals are correctly emitted when removing map layers"""
store = QgsMapLayerStore()
layers_will_be_removed_spy = QSignalSpy(store.layersWillBeRemoved)
layer_will_be_removed_spy_str = QSignalSpy(store.layerWillBeRemoved[str])
layer_will_be_removed_spy_layer = QSignalSpy(store.layerWillBeRemoved[QgsMapLayer])
layers_removed_spy = QSignalSpy(store.layersRemoved)
layer_removed_spy = QSignalSpy(store.layerRemoved)
remove_all_spy = QSignalSpy(store.allLayersRemoved)
l1 = createLayer('l1')
l2 = createLayer('l2')
l3 = createLayer('l3')
l4 = createLayer('l4')
store.addMapLayers([l1, l2, l3, l4])
# remove 1 layer
store.removeMapLayer(l1)
# can't seem to actually test the data which was emitted, so best we can do is test
# the signal count
self.assertEqual(len(layers_will_be_removed_spy), 1)
self.assertEqual(len(layer_will_be_removed_spy_str), 1)
self.assertEqual(len(layer_will_be_removed_spy_layer), 1)
self.assertEqual(len(layers_removed_spy), 1)
self.assertEqual(len(layer_removed_spy), 1)
self.assertEqual(len(remove_all_spy), 0)
self.assertEqual(store.count(), 3)
# remove 2 layers at once
store.removeMapLayersById([l2.id(), l3.id()])
self.assertEqual(len(layers_will_be_removed_spy), 2)
self.assertEqual(len(layer_will_be_removed_spy_str), 3)
self.assertEqual(len(layer_will_be_removed_spy_layer), 3)
self.assertEqual(len(layers_removed_spy), 2)
self.assertEqual(len(layer_removed_spy), 3)
self.assertEqual(len(remove_all_spy), 0)
self.assertEqual(store.count(), 1)
# remove all
store.removeAllMapLayers()
self.assertEqual(len(layers_will_be_removed_spy), 3)
self.assertEqual(len(layer_will_be_removed_spy_str), 4)
self.assertEqual(len(layer_will_be_removed_spy_layer), 4)
self.assertEqual(len(layers_removed_spy), 3)
self.assertEqual(len(layer_removed_spy), 4)
self.assertEqual(len(remove_all_spy), 1)
#remove some layers which aren't in the store
store.removeMapLayersById(['asdasd'])
self.assertEqual(len(layers_will_be_removed_spy), 3)
self.assertEqual(len(layer_will_be_removed_spy_str), 4)
self.assertEqual(len(layer_will_be_removed_spy_layer), 4)
self.assertEqual(len(layers_removed_spy), 3)
self.assertEqual(len(layer_removed_spy), 4)
self.assertEqual(len(remove_all_spy), 1)
l5 = createLayer('test5')
store.removeMapLayer(l5)
self.assertEqual(len(layers_will_be_removed_spy), 3)
self.assertEqual(len(layer_will_be_removed_spy_str), 4)
self.assertEqual(len(layer_will_be_removed_spy_layer), 4)
self.assertEqual(len(layers_removed_spy), 3)
self.assertEqual(len(layer_removed_spy), 4)
self.assertEqual(len(remove_all_spy), 1)
def test_removeMapLayersById(self):
""" test removing map layers by ID """
store = QgsMapLayerStore()
# test no crash with empty store
store.removeMapLayersById(['bad'])
store.removeMapLayersById([None])
l1 = createLayer('test')
l2 = createLayer('test2')
l3 = createLayer('test3')
store.addMapLayers([l1, l2, l3])
self.assertEqual(store.count(), 3)
#remove bad layers
store.removeMapLayersById(['bad'])
self.assertEqual(store.count(), 3)
store.removeMapLayersById([None])
self.assertEqual(store.count(), 3)
# remove valid layers
l1_id = l1.id()
store.removeMapLayersById([l1_id])
self.assertEqual(store.count(), 2)
# double remove
store.removeMapLayersById([l1_id])
self.assertEqual(store.count(), 2)
# test that layer has been deleted
self.assertTrue(sip.isdeleted(l1))
# remove multiple
store.removeMapLayersById([l2.id(), l3.id()])
self.assertEqual(store.count(), 0)
self.assertTrue(sip.isdeleted(l2))
# try removing a layer not in the store
l4 = createLayer('test4')
store.removeMapLayersById([l4.id()])
self.assertFalse(sip.isdeleted(l4))
