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#!/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()
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