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#!/usr/bin/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
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(True)
from testbinding import TestView
from PySide6.QtCore import QAbstractListModel, QObject, QModelIndex
'''Tests model/view relationship.'''
object_name = 'test object'
class MyObject(QObject):
pass
class ListModelKeepsReference(QAbstractListModel):
def __init__(self, parent=None):
QAbstractListModel.__init__(self, parent)
self.obj = MyObject()
self.obj.setObjectName(object_name)
def rowCount(self, parent=QModelIndex()):
return 1
def data(self, index, role):
return self.obj
class ListModelDoesntKeepsReference(QAbstractListModel):
def rowCount(self, parent=QModelIndex()):
return 1
def data(self, index, role):
obj = MyObject()
obj.setObjectName(object_name)
return obj
class ListModelThatReturnsString(QAbstractListModel):
def rowCount(self, parent=QModelIndex()):
return 1
def data(self, index, role):
self.obj = 'string'
return self.obj
class ModelViewTest(unittest.TestCase):
def testListModelDoesntKeepsReference(self):
model = ListModelDoesntKeepsReference()
view = TestView(model)
obj = view.getData()
self.assertEqual(type(obj), MyObject)
self.assertEqual(obj.objectName(), object_name)
obj.metaObject()
def testListModelKeepsReference(self):
model = ListModelKeepsReference()
view = TestView(model)
obj = view.getData()
self.assertEqual(type(obj), MyObject)
self.assertEqual(obj.objectName(), object_name)
def testListModelThatReturnsString(self):
model = ListModelThatReturnsString()
view = TestView(model)
obj = view.getData()
self.assertEqual(type(obj), str)
self.assertEqual(obj, 'string')
if __name__ == '__main__':
unittest.main()
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