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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
'''Test cases for qInstallMsgHandler'''
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 (QLibraryInfo, QtMsgType,
QMessageLogContext,
qCritical, qFormatLogMessage, qDebug,
qInstallMessageHandler, qWarning)
param = []
def handler(msgt, ctx, msg):
global param
param = [msgt, ctx, msg.strip()]
def handleruseless(msgt, ctx, msg):
pass
class QInstallMsgHandlerTest(unittest.TestCase):
def tearDown(self):
# Ensure that next test will have a clear environment
qInstallMessageHandler(None)
def testNone(self):
ret = qInstallMessageHandler(None)
self.assertEqual(ret, None)
@unittest.skipUnless(hasattr(sys, "getrefcount"), f"{sys.implementation.name} has no refcount")
def testRet(self):
ret = qInstallMessageHandler(None)
self.assertEqual(ret, None)
refcount = sys.getrefcount(handleruseless)
retNone = qInstallMessageHandler(handleruseless)
self.assertEqual(sys.getrefcount(handleruseless), refcount + 1)
rethandler = qInstallMessageHandler(None)
self.assertEqual(rethandler, handleruseless)
del rethandler
self.assertEqual(sys.getrefcount(handleruseless), refcount)
def testHandler(self):
rethandler = qInstallMessageHandler(handler)
if QLibraryInfo.isDebugBuild():
qDebug("Test Debug")
self.assertEqual(param[0], QtMsgType.QtDebugMsg)
self.assertEqual(param[2], "Test Debug")
qWarning("Test Warning")
self.assertEqual(param[0], QtMsgType.QtWarningMsg)
self.assertEqual(param[2], "Test Warning")
qCritical("Test Critical")
self.assertEqual(param[0], QtMsgType.QtCriticalMsg)
self.assertEqual(param[2], "Test Critical")
def testFormat(self):
ctx = QMessageLogContext()
s = qFormatLogMessage(QtMsgType.QtInfoMsg, ctx, 'bla')
self.assertTrue(s)
if __name__ == '__main__':
unittest.main()
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