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'''QVariant handling of PyObjects, including pure-python or derived from Qt'''
import unittest
from PySide.QtCore import QSize, QVariant, QString
class Dummy(object):
'''Pure python sample class'''
pass
class MySize(QSize):
'''Extended class'''
pass
class QVariantPurePython(unittest.TestCase):
'''QVariant + pure python classes'''
def testTypeNamePythonClasses(self):
'''QVariant of pure python classes'''
d = Dummy()
obj = QVariant(d)
# inherited type name from other binding
self.assertEqual('PyQt_PyObject', obj.typeName())
class QVariantInheritedPython(unittest.TestCase):
'''QVariant + classes inherited from C++'''
# This works only on PyQt4 4.5.x, not on PyQt4 4.4.x or PySide
def testSubClassConvertion(self):
'''QVariant(QSize subclass) type is UserType and returns same object'''
mysize = MySize(0, 0)
variant = QVariant(mysize)
self.assertEqual(variant.type(), QVariant.UserType)
self.assertTrue(variant.toPyObject() is mysize)
class QVariantToPyObject(unittest.TestCase):
'''QVariant.toPyObject tests'''
def testQVariantPyList(self):
'''QVariant(QVariantList).toPyObject() equals original list'''
obj = QVariant([1, 'two', 3])
self.assertEqual(obj.toPyObject(), [1, 'two', 3])
def testPyObject(self):
'''QVariant(pure PyObject).toPyObject should return the same object'''
d = Dummy()
obj = QVariant(d)
self.assert_(d is obj.toPyObject())
def testNoneToPyObject(self):
'''QVariant().toPyObject() should return None'''
obj = QVariant()
self.assertEqual(None, obj.toPyObject())
def testQStringToPyObject(self):
'''QVariant(python string).toPyObject() return an equal QString'''
d = 'abc'
obj = QVariant('abc')
self.assert_(isinstance(obj.toPyObject(), QString))
self.assertEqual(d, obj.toPyObject())
if __name__ == '__main__':
unittest.main()
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