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import unittest
import sys
import weakref
from PySide import QtGui
from PySide import QtCore
from helper import UsesQApplication
class MainWindow(QtGui.QMainWindow):
def __init__(self):
QtGui.QMainWindow.__init__(self)
self.createToolbar()
def createToolbar(self):
pointerButton = QtGui.QToolButton()
pointerToolbar = self.addToolBar("Pointer type")
pointerToolbar.addWidget(pointerButton)
class MyButton(QtGui.QPushButton):
def __init__(self, parent=None):
QtGui.QPushButton.__init__(self)
self._called = False
def myCallback(self):
self._called = True
class TestMainWindow(UsesQApplication):
def testCreateToolbar(self):
w = MainWindow()
w.show()
QtCore.QTimer.singleShot(1000, self.app.quit)
self.app.exec_()
def objDel(self, obj):
self.app.quit()
def testRefCountToNull(self):
w = QtGui.QMainWindow()
c = QtGui.QWidget()
self.assertEqual(sys.getrefcount(c), 2)
w.setCentralWidget(c)
self.assertEqual(sys.getrefcount(c), 3)
wr = weakref.ref(c, self.objDel)
w.setCentralWidget(None)
c = None
self.app.exec_()
def testRefCountToAnother(self):
w = QtGui.QMainWindow()
c = QtGui.QWidget()
self.assertEqual(sys.getrefcount(c), 2)
w.setCentralWidget(c)
self.assertEqual(sys.getrefcount(c), 3)
c2 = QtGui.QWidget()
w.setCentralWidget(c2)
self.assertEqual(sys.getrefcount(c2), 3)
wr = weakref.ref(c, self.objDel)
w.setCentralWidget(None)
c = None
self.app.exec_()
def testSignalDisconect(self):
w = QtGui.QMainWindow()
b = MyButton("button")
b.clicked.connect(b.myCallback)
w.setCentralWidget(b)
b = MyButton("button")
b.clicked.connect(b.myCallback)
w.setCentralWidget(b)
b.click()
self.assertEqual(b._called, True)
if __name__ == '__main__':
unittest.main()
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