aboutsummaryrefslogtreecommitdiffstats
path: root/sources/pyside2/tests/QtCore/qtimer_timeout_test.py
blob: a185a65f4ddb28cb292cf8394b4a1c1d11ff46be (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
77
78
79
80
81
82
83
84
85
86
87
#############################################################################
##
## 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 case for timeout() signals from QTimer object.'''

import unittest
import os
import sys
from tempfile import mkstemp
from PySide2.QtCore import QObject, QTimer, SIGNAL
from helper import UsesQCoreApplication

class WatchDog(QObject):
    '''Exits the QCoreApplication main loop after sometime.'''

    def __init__(self, watched):
        QObject.__init__(self)
        self.times_called = 0
        self.watched = watched

    def timerEvent(self, evt):
        self.times_called += 1
        if self.times_called == 20:
            self.watched.exit_app_cb()


class TestTimeoutSignal(UsesQCoreApplication):
    '''Test case to check if the signals are really being caught'''

    def setUp(self):
        #Acquire resources
        UsesQCoreApplication.setUp(self)
        self.watchdog = WatchDog(self)
        self.timer = QTimer()
        self.called = False

    def tearDown(self):
        #Release resources
        del self.watchdog
        del self.timer
        del self.called
        UsesQCoreApplication.tearDown(self)

    def callback(self, *args):
        #Default callback
        self.called = True

    def testTimeoutSignal(self):
        #Test the QTimer timeout() signal
        refCount = sys.getrefcount(self.timer)
        QObject.connect(self.timer, SIGNAL('timeout()'), self.callback)
        self.timer.start(4)
        self.watchdog.startTimer(10)

        self.app.exec_()

        self.assertTrue(self.called)
        self.assertEqual(sys.getrefcount(self.timer), refCount)

if __name__ == '__main__':
    unittest.main()