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-rw-r--r--tests/signals/multiple_connections_test.py65
1 files changed, 65 insertions, 0 deletions
diff --git a/tests/signals/multiple_connections_test.py b/tests/signals/multiple_connections_test.py
new file mode 100644
index 000000000..f8dab32d5
--- /dev/null
+++ b/tests/signals/multiple_connections_test.py
@@ -0,0 +1,65 @@
+
+import unittest
+import random
+
+from PySide.QtCore import QObject, SIGNAL
+from PySide.QtGui import QPushButton, QSpinBox, QApplication
+
+from helper import BasicPySlotCase, UsesQApplication
+
+def random_gen(count=100, largest=99, lowest=0):
+ for i in range(count):
+ yield random.randint(lowest, largest)
+
+class MultipleSignalConnections(UsesQApplication):
+
+ qapplication = True
+
+ def run_many(self, sender, signal, 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
+ 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()
+ QObject.connect(sender, SIGNAL(signal), rec.cb)
+ rec.args = tuple(args)
+
+ sender.emit(SIGNAL(signal), *args)
+
+ for rec in receivers:
+ self.assert_(rec.called)
+
+ def testButtonClick(self):
+ """Multiple connections to QPushButton.clicked()"""
+ sender = QPushButton('button')
+ receivers = [BasicPySlotCase() for x in range(30)]
+ self.run_many(sender, 'clicked()', receivers)
+
+ def testSpinBoxValueChanged(self):
+ """Multiple connections to QSpinBox.valueChanged(int)"""
+ for test in random_gen(30):
+ sender = QSpinBox()
+ #FIXME if number of receivers if higher than 50, segfaults
+ receivers = [BasicPySlotCase() for x in range(10)]
+ self.run_many(sender, 'valueChanged(int)', receivers, (test,))
+
+ def testPythonSignal(self):
+ """Multiple connections to a python signal (short-circuit)"""
+ class Dummy(QObject):
+ pass
+
+ for test in random_gen(30):
+ sender = Dummy()
+ receivers = [BasicPySlotCase() for x in range(10)]
+ self.run_many(sender, 'foobar', receivers, (test, ))
+
+if __name__ == '__main__':
+ unittest.main()
+