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
|
import unittest
import random
from functools import partial
from PySide.QtCore import QObject, SIGNAL
try:
from PySide.QtGui import QPushButton, QSpinBox
hasQtGui = True
except ImportError:
hasQtGui = False
from helper import BasicPySlotCase, UsesQApplication
def random_gen(count=100, largest=99, lowest=0):
for i in range(count):
yield random.randint(lowest, largest)
class MultipleSignalConnections(unittest.TestCase):
'''Base class for multiple signal connection testing'''
def run_many(self, sender, signal, emitter, receivers, args=None):
"""Utility method to connect a list of receivers to a signal.
sender - QObject that will emit the signal
signal - string with the signal signature
emitter - the callable that will trigger the signal
receivers - list of BasicPySlotCase instances
args - tuple with the arguments to be sent.
"""
if args is None:
args = tuple()
for rec in receivers:
rec.setUp()
QObject.connect(sender, SIGNAL(signal), rec.cb)
rec.args = tuple(args)
emitter(*args)
for rec in receivers:
self.assert_(rec.called)
if hasQtGui:
class QtGuiMultipleSlots(UsesQApplication, MultipleSignalConnections):
'''Multiple connections to QtGui signals'''
def testButtonClick(self):
"""Multiple connections to QPushButton.clicked()"""
sender = QPushButton('button')
receivers = [BasicPySlotCase() for x in range(30)]
self.run_many(sender, 'clicked()', sender.click, receivers)
def testSpinBoxValueChanged(self):
"""Multiple connections to QSpinBox.valueChanged(int)"""
for test in random_gen(10):
sender = QSpinBox()
#FIXME if number of receivers if higher than 50, segfaults
receivers = [BasicPySlotCase() for x in range(10)]
self.run_many(sender, 'valueChanged(int)', sender.setValue,
receivers, (test,))
if __name__ == '__main__':
unittest.main()
|
