def testTakeLayer(self):
# test taking ownership of a layer from the store
l1 = createLayer('l1')
l2 = createLayer('l2')
store = QgsMapLayerStore()
# add one layer to store
store.addMapLayer(l1)
self.assertEqual(store.mapLayers(), {l1.id(): l1})
self.assertEqual(l1.parent(), store)
# try taking some layers which don't exist in store
self.assertFalse(store.takeMapLayer(None))
self.assertFalse(store.takeMapLayer(l2))
# but l2 should still exist..
self.assertTrue(l2.isValid())
# take layer from store
self.assertEqual(store.takeMapLayer(l1), l1)
self.assertFalse(store.mapLayers()) # no layers left
# but l1 should still exist
self.assertTrue(l1.isValid())
# layer should have no parent now
self.assertFalse(l1.parent())
# destroy store
store = None
self.assertTrue(l1.isValid())
def testTakeLayer(self):
# test taking ownership of a layer from the store
l1 = createLayer('l1')
l2 = createLayer('l2')
store = QgsMapLayerStore()
# add one layer to store
store.addMapLayer(l1)
self.assertEqual(store.mapLayers(), {l1.id(): l1})
self.assertEqual(l1.parent(), store)
# try taking some layers which don't exist in store
self.assertFalse(store.takeMapLayer(None))
self.assertFalse(store.takeMapLayer(l2))
# but l2 should still exist..
self.assertTrue(l2.isValid())
# take layer from store
self.assertEqual(store.takeMapLayer(l1), l1)
self.assertFalse(store.mapLayers()) # no layers left
# but l1 should still exist
self.assertTrue(l1.isValid())
# layer should have no parent now
self.assertFalse(l1.parent())
# destroy store
store = None
self.assertTrue(l1.isValid())
