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import unittest
from PySide.QtCore import QObject, SIGNAL, SLOT, Qt
try:
from PySide.QtGui import QSpinBox, QApplication, QWidget
hasQtGui = True
except ImportError:
hasQtGui = False
from helper import UsesQApplication
class Dummy(QObject):
"""Dummy class used in this test."""
def __init__(self, parent=None):
QObject.__init__(self, parent)
def callDummy(self):
self.emit(SIGNAL("dummy(PyObject)"), "PyObject")
def callDummy2(self):
lst = []
lst.append("item1")
lst.append("item2")
lst.append("item3")
self.emit(SIGNAL("dummy2(PyObject, PyObject)"), "PyObject0", lst)
class PyObjectType(UsesQApplication):
def mySlot(self, arg):
self.assertEqual(arg, "PyObject")
self.called = True
self.callCount += 1
def mySlot2(self, arg0, arg1):
self.assertEqual(arg0, "PyObject0")
self.assertEqual(arg1[0], "item1")
self.assertEqual(arg1[1], "item2")
self.assertEqual(arg1[2], "item3")
self.callCount += 1
if self.running:
self.app.quit()
def setUp(self):
super(PyObjectType, self).setUp()
self.callCount = 0
self.running = False
def testWithOneArg(self):
o = Dummy()
o.connect(SIGNAL("dummy(PyObject)"), self.mySlot)
o.callDummy()
self.assertEqual(self.callCount, 1)
def testWithTwoArg(self):
o = Dummy()
o.connect(SIGNAL("dummy2(PyObject,PyObject)"), self.mySlot2)
o.callDummy2()
self.assertEqual(self.callCount, 1)
def testAsyncSignal(self):
self.called = False
self.running = True
o = Dummy()
o.connect(SIGNAL("dummy2(PyObject,PyObject)"), self.mySlot2, Qt.QueuedConnection)
o.callDummy2()
self.app.exec_()
self.assertEqual(self.callCount, 1)
def testTwice(self):
self.called = False
self.running = True
o = Dummy()
o.connect(SIGNAL("dummy2(PyObject,PyObject)"), self.mySlot2, Qt.QueuedConnection)
o.callDummy2()
o.callDummy2()
self.app.exec_()
self.assertEqual(self.callCount, 2)
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)
def testDisconnect(self):
obj1 = Dummy()
QObject.connect(obj1, SIGNAL('foo(int)'), self.callback)
QObject.disconnect(obj1, SIGNAL('foo(int)'), self.callback)
self.args = (42, )
obj1.emit(SIGNAL('foo(int)'), *self.args)
self.assert_(not self.called)
if hasQtGui:
class SpinBoxPySignal(UsesQApplication):
"""Tests the connection of python signals to QSpinBox qt slots."""
def setUp(self):
super(SpinBoxPySignal, self).setUp()
self.obj = Dummy()
self.spin = QSpinBox()
self.spin.setValue(0)
def tearDown(self):
super(SpinBoxPySignal, self).tearDown()
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)
if hasQtGui:
class WidgetPySignal(UsesQApplication):
"""Tests the connection of python signals to QWidget qt slots."""
def setUp(self):
super(WidgetPySignal, self).setUp()
self.obj = Dummy()
self.widget = QWidget()
def tearDown(self):
super(WidgetPySignal, self).tearDown()
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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