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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, QmlAnonymous,
QmlAttached, QmlElement, ListProperty,
qmlAttachedPropertiesObject)
QML_IMPORT_NAME = "TestLayouts"
QML_IMPORT_MAJOR_VERSION = 1
EXPECTED_MARGINS = [10, 20]
def component_error(component):
result = ""
for e in component.errors():
if result:
result += "\n"
result += str(e)
return result
@QmlAnonymous
class TestLayoutAttached(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
class TestWidget(QObject):
def __init__(self, parent=None):
super().__init__(parent)
@QmlElement
@QmlAttached(TestLayoutAttached)
class TestLayout(QObject):
def __init__(self, parent=None):
super().__init__(parent)
self._widgets = []
def widget(self, n):
return self._widgets[n]
def widgetCount(self):
return len(self._widgets)
def addWidget(self, w):
self._widgets.append(w)
@staticmethod
def qmlAttachedProperties(self, o):
return TestLayoutAttached(o)
widgets = ListProperty(TestWidget, addWidget)
class TestQmlAttached(unittest.TestCase):
def testIt(self):
app = QCoreApplication(sys.argv)
file = Path(__file__).resolve().parent / 'registerattached.qml'
url = QUrl.fromLocalFile(file)
engine = QQmlEngine()
component = QQmlComponent(engine, url)
layout = component.create()
self.assertTrue(layout, component_error(component))
actual_margins = []
for i in range(layout.widgetCount()):
w = layout.widget(i)
a = qmlAttachedPropertiesObject(TestLayout, w, False)
actual_margins.append(a.leftMargin)
self.assertEqual(EXPECTED_MARGINS, actual_margins)
if __name__ == '__main__':
unittest.main()
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