def test_nested_move_multiple(sources, dest, expectation):
"""Test that models stay in sync with complicated moves.
This uses mimeData to simulate drag/drop operations.
"""
root = _recursive_make_group([0, 1, [20, [210, 211], 22], 3, 4])
qt_tree = QtNodeTreeModel(root)
model_indexes = [qt_tree.nestedIndex(i) for i in sources]
mime_data = qt_tree.mimeData(model_indexes)
dest_mi = qt_tree.nestedIndex(dest)
qt_tree.dropMimeData(
mime_data,
Qt.MoveAction,
dest_mi.row(),
dest_mi.column(),
dest_mi.parent(),
)
expected = _recursive_make_group(expectation)
_assert_models_synced(expected, qt_tree)
def _assert_models_synced(model: Group, qt_model: QtNodeTreeModel):
for item in model.traverse():
model_idx = qt_model.nestedIndex(item.index_from_root())
node = qt_model.getItem(model_idx)
assert item.name == node.name