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# Copyright (C) 2022 The Qt Company Ltd.
# SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
import os
import sys
import unittest
from pathlib import Path
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 (QCoreApplication, QUrl, QObject,
Property)
from PySide6.QtQml import (QQmlComponent, QQmlEngine, QmlExtended,
QmlElement)
"""Test for the QmlExtended decorator. Extends a class TestWidget
by a property leftMargin through a TestExtension and verifies the setting."""
QML_IMPORT_NAME = "TestExtension"
QML_IMPORT_MAJOR_VERSION = 1
def component_error(component):
result = ""
for e in component.errors():
if result:
result += "\n"
result += str(e)
return result
class TestExtension(QObject):
def __init__(self, parent=None):
super().__init__(parent)
self._leftMargin = 0
@Property(int)
def leftMargin(self):
return self._leftMargin
@leftMargin.setter
def leftMargin(self, m):
self._leftMargin = m
@QmlElement
@QmlExtended(TestExtension)
class TestWidget(QObject):
def __init__(self, parent=None):
super().__init__(parent)
class TestQmlExtended(unittest.TestCase):
def testIt(self):
app = QCoreApplication(sys.argv)
file = Path(__file__).resolve().parent / 'registerextended.qml'
url = QUrl.fromLocalFile(file)
engine = QQmlEngine()
component = QQmlComponent(engine, url)
widget = component.create()
self.assertTrue(widget, component_error(component))
extension = widget.findChild(TestExtension)
self.assertTrue(extension)
self.assertEqual(extension.leftMargin, 10)
if __name__ == '__main__':
unittest.main()
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