blob: 493abb071d5c7f7258a7532e5fe5d3c31e894797 (
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
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
|
# Copyright (C) 2022 The Qt Company Ltd.
# SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
''' Test case for QObject.signalsBlocked() and blockSignal()'''
import gc
import os
import sys
from tempfile import mkstemp
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.QtCore import QObject, Signal, QFile, QSignalBlocker
class Sender(QObject):
mysignal = Signal()
mysignal_int_int = Signal(int, int)
class TestSignalsBlockedBasic(unittest.TestCase):
'''Basic test case for signalsBlocked'''
def testBasic(self):
'''QObject.signalsBlocked() and blockSignals()
The signals aren't blocked by default.
blockSignals returns the previous value'''
obj = QObject()
self.assertTrue(not obj.signalsBlocked())
self.assertTrue(not obj.blockSignals(True))
self.assertTrue(obj.signalsBlocked())
self.assertTrue(obj.blockSignals(False))
blocker = QSignalBlocker(obj)
self.assertTrue(obj.signalsBlocked())
blocker.unblock()
self.assertTrue(not obj.signalsBlocked())
blocker.reblock()
self.assertTrue(obj.signalsBlocked())
del blocker
# PYSIDE-535: Need to collect garbage in PyPy to trigger deletion
gc.collect()
self.assertTrue(not obj.signalsBlocked())
def testContext(self):
obj = QObject()
self.assertTrue(not obj.signalsBlocked())
with QSignalBlocker(obj):
self.assertTrue(obj.signalsBlocked())
self.assertTrue(not obj.signalsBlocked())
def testContextWithAs(self):
obj = QObject()
self.assertTrue(not obj.signalsBlocked())
with QSignalBlocker(obj) as blocker:
self.assertTrue(obj.signalsBlocked())
self.assertEqual(type(blocker), QSignalBlocker)
self.assertTrue(not obj.signalsBlocked())
class TestSignalsBlocked(unittest.TestCase):
'''Test case to check if the signals are really blocked'''
def setUp(self):
# Set up the basic resources needed
self.obj = Sender()
self.args = tuple()
self.called = False
def tearDown(self):
# Delete used resources
del self.obj
del self.args
# PYSIDE-535: Need to collect garbage in PyPy to trigger deletion
gc.collect()
def callback(self, *args):
# Default callback
if args == self.args:
self.called = True
else:
raise TypeError("Invalid arguments")
def testShortCircuitSignals(self):
# Blocking of Python short-circuit signals
self.obj.mysignal.connect(self.callback)
self.obj.mysignal.emit()
self.assertTrue(self.called)
self.called = False
self.obj.blockSignals(True)
self.obj.mysignal.emit()
self.assertTrue(not self.called)
def testPythonSignals(self):
# Blocking of Python typed signals
self.obj.mysignal_int_int.connect(self.callback)
self.args = (1, 3)
self.obj.mysignal_int_int.emit(*self.args)
self.assertTrue(self.called)
self.called = False
self.obj.blockSignals(True)
self.obj.mysignal_int_int.emit(*self.args)
self.assertTrue(not self.called)
class TestQFileSignalBlocking(unittest.TestCase):
'''Test case for blocking the signal QIODevice.aboutToClose()'''
def setUp(self):
# Set up the needed resources - A temp file and a QFile
self.called = False
handle, self.filename = mkstemp()
os.close(handle)
self.qfile = QFile(self.filename)
def tearDown(self):
# Release acquired resources
os.remove(self.filename)
del self.qfile
# PYSIDE-535: Need to collect garbage in PyPy to trigger deletion
gc.collect()
def callback(self):
# Default callback
self.called = True
def testAboutToCloseBlocking(self):
# QIODevice.aboutToClose() blocking
self.qfile.aboutToClose.connect(self.callback)
self.assertTrue(self.qfile.open(QFile.ReadOnly))
self.qfile.close()
self.assertTrue(self.called)
self.called = False
self.qfile.blockSignals(True)
self.assertTrue(self.qfile.open(QFile.ReadOnly))
self.qfile.close()
self.assertTrue(not self.called)
if __name__ == '__main__':
unittest.main()
|
