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
|
# Copyright (C) 2022 The Qt Company Ltd.
# SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
'''Unit tests for QSharedMemory'''
import ctypes
import os
import subprocess
import sys
import unittest
from pathlib import Path
FILE = Path(__file__).resolve()
sys.path.append(os.fspath(FILE.parents[1]))
from init_paths import init_test_paths
init_test_paths(False)
from PySide6.QtCore import QSharedMemory, QRandomGenerator, qVersion
from qsharedmemory_client import read_string
TEST_STRING = 'ABCD'
def run(cmd):
# FIXME Python 3.7: Use subprocess.run()
proc = subprocess.Popen(cmd, stdout=subprocess.PIPE, shell=False,
universal_newlines=True)
output, error = proc.communicate()
proc.wait()
return_code = proc.returncode
return (return_code, output, error)
class QSharedMemoryTest(unittest.TestCase):
def setUp(self):
r = QRandomGenerator.global_().bounded(1000)
v = qVersion()
self._name = f"pyside{v}_test_{r}"
print(self._name)
self._shared_memory = QSharedMemory(self._name)
def tearDown(self):
if self._shared_memory.isAttached():
self._shared_memory.detach()
def test(self):
# Create and write
self.assertTrue(self._shared_memory.create(1024, QSharedMemory.ReadWrite))
self.assertTrue(self._shared_memory.lock())
mv = memoryview(self._shared_memory.data())
for idx, c in enumerate(TEST_STRING + chr(0)):
mv[idx] = ord(c)
mv = None
self.assertTrue(self._shared_memory.unlock())
# Read
self.assertTrue(self._shared_memory.lock())
self.assertEqual(read_string(self._shared_memory), TEST_STRING)
self.assertTrue(self._shared_memory.unlock())
# Run a subprocess and let it read
client = FILE.parent / 'qsharedmemory_client.py'
returncode, output, error = run([sys.executable, client, self._name])
if error:
print(error, file=sys.stderr)
self.assertEqual(returncode, 0)
self.assertEqual(output, TEST_STRING)
if __name__ == '__main__':
unittest.main()
|
