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
155
156
157
158
159
160
161
162
163
164
165
166
167
|
#!/usr/bin/env python
# Copyright (C) 2022 The Qt Company Ltd.
# SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
from __future__ import annotations
"""Tests covering signal emission and receiving to python slots"""
import functools
import os
import sys
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, SIGNAL, QProcess, QTimeLine, Slot
from helper.usesqapplication import UsesQApplication
class ArgsOnEmptySignal(UsesQApplication):
'''Trying to emit a signal without arguments passing some arguments'''
def testArgsToNoArgsSignal(self):
'''Passing arguments to a signal without arguments'''
process = QProcess()
self.assertRaises(TypeError, process.started.emit, 42)
class MoreArgsOnEmit(UsesQApplication):
'''Trying to pass more args than needed to emit (signals with args)'''
def testMoreArgs(self):
'''Passing more arguments than needed'''
process = QProcess()
self.assertRaises(TypeError, process.finished.emit, 55, QProcess.ExitStatus.NormalExit, 42)
class Sender(QObject):
'''Sender class'''
dummy = Signal()
dummy_int = Signal(int)
class Receiver(QObject):
'''Receiver class'''
def __init__(self, p=None):
super().__init__(p)
self.n = 0
@Slot(int)
def intSlot(self, n):
self.n = n
class PythonSignalToCppSlots(UsesQApplication):
'''Connect python signals to C++ slots'''
def testWithoutArgs(self):
'''Connect python signal to QTimeLine.toggleDirection()'''
timeline = QTimeLine()
sender = Sender()
sender.dummy.connect(timeline.toggleDirection)
orig_dir = timeline.direction()
sender.dummy.emit()
new_dir = timeline.direction()
if orig_dir == QTimeLine.Forward:
self.assertEqual(new_dir, QTimeLine.Backward)
else:
self.assertEqual(new_dir, QTimeLine.Forward)
def testWithArgs(self):
'''Connect python signals to QTimeLine.setCurrentTime(int)'''
timeline = QTimeLine()
sender = Sender()
sender.dummy_int.connect(timeline.setCurrentTime)
current = timeline.currentTime()
sender.dummy_int.emit(current + 42)
self.assertEqual(timeline.currentTime(), current + 42)
class ConnectWithContext(UsesQApplication):
'''Test whether a connection with context QObject passes parameters.'''
def testIt(self):
sender = Sender()
receiver = Receiver()
context = sender
QObject.connect(sender, SIGNAL("dummy_int(int)"), context, receiver.intSlot)
sender.dummy_int.emit(42)
self.assertEqual(receiver.n, 42)
class CppSignalsToCppSlots(UsesQApplication):
'''Connection between C++ slots and signals'''
def testWithoutArgs(self):
'''Connect QProcess.started() to QTimeLine.togglePaused()'''
process = QProcess()
timeline = QTimeLine()
process.finished.connect(timeline.toggleDirection)
orig_dir = timeline.direction()
process.start(sys.executable, ['-c', '"print 42"'])
self.assertTrue(process.waitForStarted())
self.assertTrue(process.waitForFinished())
new_dir = timeline.direction()
if orig_dir == QTimeLine.Forward:
self.assertEqual(new_dir, QTimeLine.Backward)
else:
self.assertEqual(new_dir, QTimeLine.Forward)
called = False
def someSlot(args=None):
global called
called = True
class DynamicSignalsToFuncPartial(UsesQApplication):
def testIt(self):
global called
called = False
o = Sender()
o.dummy.connect(functools.partial(someSlot, "partial .."))
o.dummy.emit()
self.assertTrue(called)
class EmitUnknownType(UsesQApplication):
def testIt(self):
a = QObject()
a.connect(SIGNAL('foobar(Dummy)'), lambda x: 42) # Just connect with an unknown type
self.assertRaises(TypeError, a.emit, SIGNAL('foobar(Dummy)'), 22)
class EmitEnum(UsesQApplication):
"""Test emission of enum arguments"""
def slot(self, arg):
self.arg = arg
def testIt(self):
self.arg = None
p = QProcess()
p.stateChanged.connect(self.slot)
p.stateChanged.emit(QProcess.NotRunning)
self.assertEqual(self.arg, QProcess.NotRunning)
if __name__ == '__main__':
unittest.main()
|
