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Diffstat (limited to 'sources/pyside2/tests/signals/multiple_connections_test.py')
-rw-r--r-- | sources/pyside2/tests/signals/multiple_connections_test.py | 103 |
1 files changed, 103 insertions, 0 deletions
diff --git a/sources/pyside2/tests/signals/multiple_connections_test.py b/sources/pyside2/tests/signals/multiple_connections_test.py new file mode 100644 index 000000000..39950da5d --- /dev/null +++ b/sources/pyside2/tests/signals/multiple_connections_test.py @@ -0,0 +1,103 @@ +############################################################################# +## +## 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. +## +## $QT_END_LICENSE$ +## +############################################################################# + +import sys +import unittest +from functools import partial + +from PySide2.QtCore import QObject, SIGNAL, QProcess + +from helper import BasicPySlotCase, UsesQCoreApplication + + +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() + self.assertTrue(QObject.connect(sender, SIGNAL(signal), rec.cb)) + rec.args = tuple(args) + + emitter(*args) + + for rec in receivers: + self.assertTrue(rec.called) + + +class PythonMultipleSlots(UsesQCoreApplication, MultipleSignalConnections): + '''Multiple connections to python signals''' + + def testPythonSignal(self): + """Multiple connections to a python signal (short-circuit)""" + + class Dummy(QObject): + pass + + sender = Dummy() + receivers = [BasicPySlotCase() for x in range(10)] + self.run_many(sender, 'foobar(int)', partial(sender.emit,SIGNAL('foobar(int)')), receivers, (0, )) + + +class QProcessMultipleSlots(UsesQCoreApplication, MultipleSignalConnections): + '''Multiple connections to QProcess signals''' + + def testQProcessStarted(self): + '''Multiple connections to QProcess.started()''' + sender = QProcess() + receivers = [BasicPySlotCase() for x in range(10)] + + def start_proc(*args): + sender.start(sys.executable, ['-c', '""']) + sender.waitForFinished() + + self.run_many(sender, 'started()', start_proc, receivers) + + def testQProcessFinished(self): + '''Multiple connections to QProcess.finished(int)''' + sender = QProcess() + receivers = [BasicPySlotCase() for x in range(10)] + + def start_proc(*args): + sender.start(sys.executable, ['-c', '""']) + sender.waitForFinished() + + self.run_many(sender, 'finished(int)', start_proc, receivers, (0,)) + +if __name__ == '__main__': + unittest.main() |