blob: a54974c3b6213e9b6c0e991cb39cb3123560eb2d (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
|
#!/usr/bin/python
#############################################################################
##
## Copyright (C) 2017 The Qt Company Ltd.
## Contact: https://www.qt.io/licensing/
##
## This file is part of the test suite of Qt for Python.
##
## $QT_BEGIN_LICENSE:GPL-EXCEPT$
## Commercial License Usage
## Licensees holding valid commercial Qt licenses may use this file in
## accordance with the commercial license agreement provided with the
## Software or, alternatively, in accordance with the terms contained in
## a written agreement between you and The Qt Company. For licensing terms
## and conditions see https://www.qt.io/terms-conditions. For further
## information use the contact form at https://www.qt.io/contact-us.
##
## GNU General Public License Usage
## Alternatively, this file may be used under the terms of the GNU
## General Public License version 3 as published by the Free Software
## Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
## included in the packaging of this file. Please review the following
## information to ensure the GNU General Public License requirements will
## be met: https://www.gnu.org/licenses/gpl-3.0.html.
##
## $QT_END_LICENSE$
##
#############################################################################
''' PYSIDE-315: https://bugreports.qt.io/browse/PYSIDE-315
Test that creating a signal in the wrong order triggers a warning. '''
from __future__ import print_function
import os
import sys
import unittest
import warnings
sys.path.append(os.path.dirname(os.path.dirname(os.path.abspath(__file__))))
from init_paths import init_test_paths
init_test_paths(False)
import PySide2.QtCore as QtCore
class Whatever(QtCore.QObject):
echoSignal = QtCore.Signal(str)
def __init__(self):
super(Whatever, self).__init__()
self.echoSignal.connect(self.mySlot)
def mySlot(self, v):
pass
class WarningTest(unittest.TestCase):
def testSignalSlotWarning(self):
# we create an object. This gives no warning.
obj = Whatever()
# then we insert a signal after slots have been created.
setattr(Whatever, "foo", QtCore.Signal())
with warnings.catch_warnings(record=True) as w:
# Cause all warnings to always be triggered.
warnings.simplefilter("always")
# Trigger a warning.
obj.foo.connect(obj.mySlot)
# Verify some things
assert issubclass(w[-1].category, RuntimeWarning)
assert "*** Sort Warning ***" in str(w[-1].message)
# note that this warning cannot be turned into an error (too hard)
if __name__ == "__main__":
unittest.main()
|
