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
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
|
#############################################################################
##
## Copyright (C) 2016 The Qt Company Ltd.
## Contact: https://www.qt.io/licensing/
##
## This file is part of the test suite of PySide2.
##
## $QT_BEGIN_LICENSE:GPL-EXCEPT$
## 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.
##
## $QT_END_LICENSE$
##
#############################################################################
'''Test paint event override in python'''
import unittest
from PySide2.QtCore import QTimerEvent
from PySide2.QtWidgets import QApplication, QWidget
from helper import UsesQApplication
class MyWidget(QWidget):
'''Sample widget'''
def __init__(self, app=None):
#Creates a new widget
if app is None:
app = QApplication([])
super(MyWidget, self).__init__()
self.app = app
self.runs = 0
self.max_runs = 5
self.paint_event_called = False
def timerEvent(self, event):
#Timer event method
self.runs += 1
if self.runs == self.max_runs:
self.app.quit()
if not isinstance(event, QTimerEvent):
raise TypeError('Invalid event type. Must be QTimerEvent')
def paintEvent(self, event):
#Empty paint event method
# XXX: should be using super here, but somehow PyQt4
# complains about paintEvent not present in super
QWidget.paintEvent(self, event)
self.paint_event_called = True
class PaintEventOverride(UsesQApplication):
'''Test case for overriding QWidget.paintEvent'''
qapplication = True
def setUp(self):
#Acquire resources
super(PaintEventOverride, self).setUp()
self.widget = MyWidget(self.app)
def tearDown(self):
#Release resources
del self.widget
super(PaintEventOverride, self).tearDown()
def testPaintEvent(self):
#Test QWidget.paintEvent override
timer_id = self.widget.startTimer(100)
self.widget.show()
self.app.exec_()
self.widget.killTimer(timer_id)
self.assertTrue(self.widget.paint_event_called)
self.assertEqual(self.widget.runs, 5)
if __name__ == '__main__':
unittest.main()
|
