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import unittest
from PySide.QtCore import QObject, SIGNAL, SLOT
from PySide.QtGui import QSpinBox, QApplication, QWidget
class Dummy(QObject):
"""Dummy class used in this test."""
def __init__(self, parent=None):
QObject.__init__(self, parent)
class PythonSigSlot(unittest.TestCase):
def setUp(self):
self.called = False
def tearDown(self):
try:
del self.args
except:
pass
def callback(self, *args):
if tuple(self.args) == args:
self.called = True
def testNoArgs(self):
"""Python signal and slots without arguments"""
obj1 = Dummy()
QObject.connect(obj1, SIGNAL('foo()'), self.callback)
self.args = tuple()
obj1.emit(SIGNAL('foo()'), *self.args)
self.assert_(self.called)
def testWithArgs(self):
"""Python signal and slots with integer arguments"""
obj1 = Dummy()
QObject.connect(obj1, SIGNAL('foo(int)'), self.callback)
self.args = (42,)
obj1.emit(SIGNAL('foo(int)'), *self.args)
self.assert_(self.called)
app = QApplication([])
class SpinBoxPySignal(unittest.TestCase):
"""Tests the connection of python signals to QSpinBox qt slots."""
qapplication = True
def setUp(self):
self.obj = Dummy()
self.spin = QSpinBox()
self.spin.setValue(0)
def tearDown(self):
del self.obj
del self.spin
def testValueChanged(self):
"""Emission of a python signal to QSpinBox setValue(int)"""
QObject.connect(self.obj, SIGNAL('dummy(int)'), self.spin, SLOT('setValue(int)'))
self.assertEqual(self.spin.value(), 0)
self.obj.emit(SIGNAL('dummy(int)'), 4)
self.assertEqual(self.spin.value(), 4)
def testValueChangedMultiple(self):
"""Multiple emissions of a python signal to QSpinBox setValue(int)"""
QObject.connect(self.obj, SIGNAL('dummy(int)'), self.spin, SLOT('setValue(int)'))
self.assertEqual(self.spin.value(), 0)
self.obj.emit(SIGNAL('dummy(int)'), 4)
self.assertEqual(self.spin.value(), 4)
self.obj.emit(SIGNAL('dummy(int)'), 77)
self.assertEqual(self.spin.value(), 77)
class WidgetPySignal(unittest.TestCase):
"""Tests the connection of python signals to QWidget qt slots."""
qapplication = True
def setUp(self):
self.obj = Dummy()
self.widget = QWidget()
def tearDown(self):
del self.obj
del self.widget
def testShow(self):
"""Emission of a python signal to QWidget slot show()"""
self.widget.hide()
QObject.connect(self.obj, SIGNAL('dummy()'), self.widget, SLOT('show()'))
self.assert_(not self.widget.isVisible())
self.obj.emit(SIGNAL('dummy()'))
self.assert_(self.widget.isVisible())
if __name__ == '__main__':
unittest.main()
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