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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
from __future__ import annotations
import gc
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 QObject
from PySide6.QtGui import QStandardItemModel, QStandardItem
from shiboken6 import Shiboken
from helper.usesqapplication import UsesQApplication
class QStandardItemModelTest(UsesQApplication):
def setUp(self):
super(QStandardItemModelTest, self).setUp()
self.parent = QObject()
self.model = QStandardItemModel(0, 3, self.parent)
def tearDown(self):
del self.parent
del self.model
# PYSIDE-535: Need to collect garbage in PyPy to trigger deletion
gc.collect()
super(QStandardItemModelTest, self).tearDown()
def testInsertRow(self):
# bug #227
self.model.insertRow(0)
def testClear(self):
model = QStandardItemModel()
root = model.invisibleRootItem()
model.clear()
self.assertFalse(Shiboken.isValid(root))
class QStandardItemModelRef(UsesQApplication):
@unittest.skipUnless(hasattr(sys, "getrefcount"), f"{sys.implementation.name} has no refcount")
def testRefCount(self):
model = QStandardItemModel(5, 5)
items = []
for r in range(5):
row = []
for c in range(5):
row.append(QStandardItem(f"{r},{c}"))
self.assertEqual(sys.getrefcount(row[c]), 2)
model.insertRow(r, row)
for c in range(5):
ref_after = sys.getrefcount(row[c])
# check if the ref count was incremented after insertRow
self.assertEqual(ref_after, 3)
items.append(row)
row = None
for r in range(3):
my_row = model.takeRow(0)
my_row = None
for c in range(5):
# only rest 1 reference
self.assertEqual(sys.getrefcount(items[r][c]), 2)
my_i = model.item(0, 0)
# ref(my_i) + parent_ref + items list ref
self.assertEqual(sys.getrefcount(my_i), 4)
model.clear()
# ref(my_i)
self.assertEqual(sys.getrefcount(my_i), 3)
if __name__ == '__main__':
unittest.main()
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