import unittest from PySide.QtGui import QInputDialog from helper import UsesQApplication class DynamicSignalTest(UsesQApplication): def cb(self, obj): self._called = True def testQDialog(self): dlg = QInputDialog() dlg.setInputMode(QInputDialog.TextInput) lst = dlg.children() self.assert_(len(lst)) obj = lst[0] self._called = False obj.destroyed.connect(self.cb) obj = None del dlg self.assert_(self._called) if __name__ == '__main__': unittest.main()