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# Copyright (C) 2022 The Qt Company Ltd.
# SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
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 import QtCore
from PySide6.QtWidgets import QApplication, QLabel
is_pypy = hasattr(sys, "pypy_version_info")
if not is_pypy:
from PySide6.support import feature
import inspect
"""
errormessages_with_features_test.py
-----------------------------------
When errors occur while features are switched, we must always produce a
valid error message.
This test is in its own file because combining it with
"snake_prop_feature_test" gave strange interactions with the other tests.
"""
@unittest.skipIf(is_pypy, "__feature__ cannot yet be used with PyPy")
class ErrormessagesWithFeatures(unittest.TestCase):
probe = "called with wrong argument types"
probe_miss = "missing signature"
def setUp(self):
qApp or QApplication()
feature.reset()
def tearDown(self):
feature.reset()
qApp.shutdown()
def testCorrectErrorMessagesPlain(self):
with self.assertRaises(TypeError) as cm:
QLabel().setFont(42)
print("\n\n" + cm.exception.args[0])
self.assertTrue(self.probe in cm.exception.args[0])
def testCorrectErrorMessagesSnake(self):
from __feature__ import snake_case
with self.assertRaises(TypeError) as cm:
QLabel().set_font(42)
print("\n\n" + cm.exception.args[0])
self.assertTrue(self.probe in cm.exception.args[0])
def testCorrectErrorMessagesProp(self):
from __feature__ import true_property
with self.assertRaises(TypeError) as cm:
QLabel().font = 42
print("\n\n" + cm.exception.args[0])
self.assertTrue(self.probe in cm.exception.args[0])
def testCorrectErrorMessagesSnakeProp(self):
from __feature__ import snake_case, true_property
with self.assertRaises(TypeError) as cm:
QLabel().font = 42
print("\n\n" + cm.exception.args[0])
self.assertTrue(self.probe in cm.exception.args[0])
def testCorrectErrorMessagesClassProp(self):
from __feature__ import true_property
with self.assertRaises(TypeError) as cm:
QApplication.quitOnLastWindowClosed = object
print("\n\n" + cm.exception.args[0])
self.assertTrue(self.probe_miss in cm.exception.args[0])
with self.assertRaises(TypeError) as cm:
qApp.quitOnLastWindowClosed = object
self.assertTrue(self.probe_miss in cm.exception.args[0])
def testCorrectErrorMessagesClassSnakeProp(self):
from __feature__ import snake_case, true_property
with self.assertRaises(TypeError) as cm:
QApplication.quit_on_last_window_closed = object
print("\n\n" + cm.exception.args[0])
self.assertTrue(self.probe_miss in cm.exception.args[0])
with self.assertRaises(TypeError) as cm:
qApp.quit_on_last_window_closed = object
self.assertTrue(self.probe_miss in cm.exception.args[0])
def testDocIsWorking(self):
"""
make sure that it does not crash when touched
"""
inspect.getdoc(QApplication)
inspect.getdoc(QtCore)
if __name__ == '__main__':
unittest.main()
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