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+#############################################################################
+##
+## 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()