diff options
Diffstat (limited to 'sources/pyside6/tests/QtCore/qobject_parent_test.py')
| -rw-r--r-- | sources/pyside6/tests/QtCore/qobject_parent_test.py | 202 |
1 files changed, 122 insertions, 80 deletions
diff --git a/sources/pyside6/tests/QtCore/qobject_parent_test.py b/sources/pyside6/tests/QtCore/qobject_parent_test.py index 776d34461..6265f77b1 100644 --- a/sources/pyside6/tests/QtCore/qobject_parent_test.py +++ b/sources/pyside6/tests/QtCore/qobject_parent_test.py @@ -1,36 +1,11 @@ -############################################################################# -## -## Copyright (C) 2016 The Qt Company Ltd. -## Contact: https://www.qt.io/licensing/ -## -## This file is part of the test suite of Qt for Python. -## -## $QT_BEGIN_LICENSE:GPL-EXCEPT$ -## Commercial License Usage -## Licensees holding valid commercial Qt licenses may use this file in -## accordance with the commercial license agreement provided with the -## Software or, alternatively, in accordance with the terms contained in -## a written agreement between you and The Qt Company. For licensing terms -## and conditions see https://www.qt.io/terms-conditions. For further -## information use the contact form at https://www.qt.io/contact-us. -## -## GNU General Public License Usage -## Alternatively, this file may be used under the terms of the GNU -## General Public License version 3 as published by the Free Software -## Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT -## included in the packaging of this file. Please review the following -## information to ensure the GNU General Public License requirements will -## be met: https://www.gnu.org/licenses/gpl-3.0.html. -## -## $QT_END_LICENSE$ -## -############################################################################# +# Copyright (C) 2022 The Qt Company Ltd. +# SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0 '''Test cases for parent-child relationship''' +import gc import os import sys -from sys import getrefcount import unittest from pathlib import Path @@ -38,44 +13,61 @@ sys.path.append(os.fspath(Path(__file__).resolve().parents[1])) from init_paths import init_test_paths init_test_paths(False) -from PySide6.QtCore import * +from PySide6.QtCore import QObject, QRegularExpression, QTimer, Qt + + +class TestObject1(QTimer): + def __init(self, parent): + super().__init__(parent) + + +class TestObject2(TestObject1): + def __init(self, parent): + super().__init__(parent) + class ParentRefCountCase(unittest.TestCase): '''Test case for the refcount changes of setParent''' def setUp(self): - #Acquire resources + # Acquire resources self.parent = QObject() self.child = QObject() def tearDown(self): - #Release resources + # Release resources del self.child del self.parent + # PYSIDE-535: Need to collect garbage in PyPy to trigger deletion + gc.collect() + @unittest.skipUnless(hasattr(sys, "getrefcount"), f"{sys.implementation.name} has no refcount") def testSetParent(self): - #QObject.setParent() refcount changes - self.assertEqual(getrefcount(self.child), 2) + # QObject.setParent() refcount changes + self.assertEqual(sys.getrefcount(self.child), 2) self.child.setParent(self.parent) - self.assertEqual(getrefcount(self.child), 3) + self.assertEqual(sys.getrefcount(self.child), 3) + @unittest.skipUnless(hasattr(sys, "getrefcount"), f"{sys.implementation.name} has no refcount") def testSetParentTwice(self): - self.assertEqual(getrefcount(self.child), 2) + self.assertEqual(sys.getrefcount(self.child), 2) self.child.setParent(self.parent) - self.assertEqual(getrefcount(self.child), 3) + self.assertEqual(sys.getrefcount(self.child), 3) self.child.setParent(self.parent) - self.assertEqual(getrefcount(self.child), 3) + self.assertEqual(sys.getrefcount(self.child), 3) + @unittest.skipUnless(hasattr(sys, "getrefcount"), f"{sys.implementation.name} has no refcount") def testConstructor(self): - #QObject(QObject) refcount changes + # QObject(QObject) refcount changes child = QObject(self.parent) - self.assertEqual(getrefcount(child), 3) + self.assertEqual(sys.getrefcount(child), 3) + class ParentCase(unittest.TestCase): '''Small collection of tests related to parent-child relationship''' def testSetParent(self): - #QObject.setParent() + # QObject.setParent() parent = QObject() child = QObject() child.setParent(parent) @@ -83,7 +75,7 @@ class ParentCase(unittest.TestCase): self.assertEqual(parent, child.parent()) def testParentConstructor(self): - #QObject(parent) + # QObject(parent) parent = QObject() child = QObject(parent) @@ -91,40 +83,65 @@ class ParentCase(unittest.TestCase): orig_repr = repr(child) del child + # PYSIDE-535: Need to collect garbage in PyPy to trigger deletion + gc.collect() self.assertEqual(orig_repr, repr(parent.children()[0])) def testChildren(self): - #QObject.children() + # QObject.children() parent = QObject() children = [QObject(parent) for x in range(25)] self.assertEqual(parent.children(), children) def testFindChild(self): - #QObject.findChild() with all QObject + # QObject.findChild() with all QObject parent = QObject() - name = 'object%d' children = [QObject(parent) for i in range(20)] for i, child in enumerate(children): - child.setObjectName(name % i) + child.setObjectName(f'object{i}') for i, child in enumerate(children): - self.assertEqual(child, parent.findChild(QObject, name % i)) + self.assertEqual(child, parent.findChild(QObject, f'object{i}')) + + def testFindChildOptions(self): + parent = QObject() + child = QObject(parent) + nested_child_name = 'nestedChild' + nested_child = QObject(child) + nested_child.setObjectName(nested_child_name) + + search_result = parent.findChild(QObject, nested_child_name) + self.assertTrue(search_result) + search_result = parent.findChild(QObject, nested_child_name, + Qt.FindChildrenRecursively) + self.assertTrue(search_result) + search_result = parent.findChild(QObject, nested_child_name, + Qt.FindDirectChildrenOnly) + self.assertFalse(search_result) + + search_results = parent.findChildren(QObject, nested_child_name) + self.assertEqual(len(search_results), 1) + search_result = parent.findChildren(QObject, nested_child_name, + Qt.FindChildrenRecursively) + self.assertEqual(len(search_results), 1) + search_results = parent.findChildren(QObject, nested_child_name, + Qt.FindDirectChildrenOnly) + self.assertEqual(len(search_results), 0) def testFindChildWithoutName(self): parent = QObject() - name = 'object%d' children = [QObject(parent) for i in range(20)] for i, child in enumerate(children): - child.setObjectName(name % i) + child.setObjectName(f'object{i}') child = parent.findChild(QObject) self.assertTrue(isinstance(child, QObject)) def testFindChildren(self): - #QObject.findChildren() with all QObject + # QObject.findChildren() with all QObject parent = QObject() target_name = 'foo' children = [QTimer(parent) for i in range(20)] @@ -150,86 +167,110 @@ class ParentCase(unittest.TestCase): self.assertEqual(res, test_children) def testParentEquality(self): - #QObject.parent() == parent + # QObject.parent() == parent parent = QObject() child = QObject(parent) self.assertEqual(parent, child.parent()) + def testFindChildByType(self): + parent = QObject() + expected = TestObject2(parent) + actual = parent.findChild(TestObject2) + self.assertEqual(actual, expected) + actual = parent.findChild(TestObject1) + self.assertEqual(actual, expected) + actual = parent.findChild(QTimer) + self.assertEqual(actual, expected) + + def testFindChildrenByType(self): + parent = QObject() + expected = [TestObject2(parent)] + actual = parent.findChildren(TestObject2) + self.assertEqual(actual, expected) + actual = parent.findChildren(TestObject1) + self.assertEqual(actual, expected) + actual = parent.findChildren(QTimer) + self.assertEqual(actual, expected) + class TestParentOwnership(unittest.TestCase): '''Test case for Parent/Child object ownership''' + @unittest.skipUnless(hasattr(sys, "getrefcount"), f"{sys.implementation.name} has no refcount") def testParentDestructor(self): parent = QObject() - self.assertEqual(getrefcount(parent), 2) + self.assertEqual(sys.getrefcount(parent), 2) child = QObject(parent) - self.assertEqual(getrefcount(child), 3) - self.assertEqual(getrefcount(parent), 2) + self.assertEqual(sys.getrefcount(child), 3) + self.assertEqual(sys.getrefcount(parent), 2) del parent - self.assertEqual(getrefcount(child), 2) + self.assertEqual(sys.getrefcount(child), 2) # this will fail because parent deleted child cpp object - self.assertRaises(RuntimeError, lambda :child.objectName()) + self.assertRaises(RuntimeError, lambda: child.objectName()) # test parent with multiples children + @unittest.skipUnless(hasattr(sys, "getrefcount"), f"{sys.implementation.name} has no refcount") def testMultipleChildren(self): o = QObject() - self.assertEqual(getrefcount(o), 2) + self.assertEqual(sys.getrefcount(o), 2) c = QObject(o) - self.assertEqual(getrefcount(c), 3) - self.assertEqual(getrefcount(o), 2) + self.assertEqual(sys.getrefcount(c), 3) + self.assertEqual(sys.getrefcount(o), 2) c2 = QObject(o) - self.assertEqual(getrefcount(o), 2) - self.assertEqual(getrefcount(c), 3) - self.assertEqual(getrefcount(c2), 3) + self.assertEqual(sys.getrefcount(o), 2) + self.assertEqual(sys.getrefcount(c), 3) + self.assertEqual(sys.getrefcount(c2), 3) del o - self.assertEqual(getrefcount(c), 2) - self.assertEqual(getrefcount(c2), 2) + self.assertEqual(sys.getrefcount(c), 2) + self.assertEqual(sys.getrefcount(c2), 2) # this will fail because parent deleted child cpp object - self.assertRaises(RuntimeError, lambda :c.objectName()) - self.assertRaises(RuntimeError, lambda :c2.objectName()) + self.assertRaises(RuntimeError, lambda: c.objectName()) + self.assertRaises(RuntimeError, lambda: c2.objectName()) # test recursive parent + @unittest.skipUnless(hasattr(sys, "getrefcount"), f"{sys.implementation.name} has no refcount") def testRecursiveParent(self): o = QObject() - self.assertEqual(getrefcount(o), 2) + self.assertEqual(sys.getrefcount(o), 2) c = QObject(o) - self.assertEqual(getrefcount(c), 3) - self.assertEqual(getrefcount(o), 2) + self.assertEqual(sys.getrefcount(c), 3) + self.assertEqual(sys.getrefcount(o), 2) c2 = QObject(c) - self.assertEqual(getrefcount(o), 2) - self.assertEqual(getrefcount(c), 3) - self.assertEqual(getrefcount(c2), 3) + self.assertEqual(sys.getrefcount(o), 2) + self.assertEqual(sys.getrefcount(c), 3) + self.assertEqual(sys.getrefcount(c2), 3) del o - self.assertEqual(getrefcount(c), 2) - self.assertEqual(getrefcount(c2), 2) + self.assertEqual(sys.getrefcount(c), 2) + self.assertEqual(sys.getrefcount(c2), 2) # this will fail because parent deleted child cpp object - self.assertRaises(RuntimeError, lambda :c.objectName()) - self.assertRaises(RuntimeError, lambda :c2.objectName()) + self.assertRaises(RuntimeError, lambda: c.objectName()) + self.assertRaises(RuntimeError, lambda: c2.objectName()) # test parent transfer + @unittest.skipUnless(hasattr(sys, "getrefcount"), f"{sys.implementation.name} has no refcount") def testParentTransfer(self): o = QObject() - self.assertEqual(getrefcount(o), 2) + self.assertEqual(sys.getrefcount(o), 2) c = QObject() - self.assertEqual(getrefcount(c), 2) + self.assertEqual(sys.getrefcount(c), 2) c.setParent(o) - self.assertEqual(getrefcount(c), 3) + self.assertEqual(sys.getrefcount(c), 3) c.setParent(None) - self.assertEqual(getrefcount(c), 2) + self.assertEqual(sys.getrefcount(c), 2) del c del o @@ -237,7 +278,8 @@ class TestParentOwnership(unittest.TestCase): class ExtQObject(QObject): def __init__(self): - QObject.__init__(self) + super().__init__() + class ReparentingTest(unittest.TestCase): '''Test cases for reparenting''' |