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Diffstat (limited to 'sources/shiboken6/tests/samplebinding/ownership_reparenting_test.py')
-rw-r--r-- | sources/shiboken6/tests/samplebinding/ownership_reparenting_test.py | 111 |
1 files changed, 111 insertions, 0 deletions
diff --git a/sources/shiboken6/tests/samplebinding/ownership_reparenting_test.py b/sources/shiboken6/tests/samplebinding/ownership_reparenting_test.py new file mode 100644 index 000000000..304223063 --- /dev/null +++ b/sources/shiboken6/tests/samplebinding/ownership_reparenting_test.py @@ -0,0 +1,111 @@ +#!/usr/bin/env python +# Copyright (C) 2022 The Qt Company Ltd. +# SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0 + +'''Tests for object reparenting.''' + +import os +import sys +import unittest + +from pathlib import Path +sys.path.append(os.fspath(Path(__file__).resolve().parents[1])) +from shiboken_paths import init_paths +init_paths() +import sys + +from sample import ObjectType + + +class ExtObjectType(ObjectType): + def __init__(self): + ObjectType.__init__(self) + + +class ReparentingTest(unittest.TestCase): + '''Tests for object reparenting.''' + + def testReparentedObjectTypeIdentity(self): + '''Reparent children from one parent to another.''' + object_list = [] + old_parent = ObjectType() + new_parent = ObjectType() + for i in range(3): + obj = ObjectType() + object_list.append(obj) + obj.setParent(old_parent) + for obj in object_list: + obj.setParent(new_parent) + for child in new_parent.children(): + self.assertTrue(child in object_list) + + @unittest.skipUnless(hasattr(sys, "getrefcount"), f"{sys.implementation.name} has no refcount") + def testReparentWithTheSameParent(self): + '''Set the same parent twice to check if the ref continue the same''' + obj = ObjectType() + parent = ObjectType() + self.assertEqual(sys.getrefcount(obj), 2) + obj.setParent(parent) + self.assertEqual(sys.getrefcount(obj), 3) + obj.setParent(parent) + self.assertEqual(sys.getrefcount(obj), 3) + + def testReparentedExtObjectType(self): + '''Reparent children from one extended parent to another.''' + object_list = [] + old_parent = ExtObjectType() + new_parent = ExtObjectType() + for i in range(3): + obj = ExtObjectType() + object_list.append(obj) + obj.setParent(old_parent) + for obj in object_list: + obj.setParent(new_parent) + for orig, child in zip(object_list, new_parent.children()): + self.assertEqual(type(orig), type(child)) + + def testReparentedObjectTypeIdentityWithParentsCreatedInCpp(self): + '''Reparent children from one parent to another, both created in C++.''' + object_list = [] + old_parent = ObjectType.create() + new_parent = ObjectType.create() + for i in range(3): + obj = ObjectType() + object_list.append(obj) + obj.setParent(old_parent) + for obj in object_list: + obj.setParent(new_parent) + for child in new_parent.children(): + self.assertTrue(child in object_list) + + def testReparentedObjectTypeIdentityWithChildrenCreatedInCpp(self): + '''Reparent children created in C++ from one parent to another.''' + object_list = [] + old_parent = ObjectType() + new_parent = ObjectType() + for i in range(3): + obj = ObjectType.create() + object_list.append(obj) + obj.setParent(old_parent) + for obj in object_list: + obj.setParent(new_parent) + for child in new_parent.children(): + self.assertTrue(child in object_list) + + def testReparentedObjectTypeIdentityWithParentsAndChildrenCreatedInCpp(self): + '''Reparent children from one parent to another. Parents and children are created in C++.''' + object_list = [] + old_parent = ObjectType.create() + new_parent = ObjectType.create() + for i in range(3): + obj = ObjectType.create() + object_list.append(obj) + obj.setParent(old_parent) + for obj in object_list: + obj.setParent(new_parent) + for child in new_parent.children(): + self.assertTrue(child in object_list) + + +if __name__ == '__main__': + unittest.main() |