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'''Test cases for QObject property and setProperty'''
import unittest
from PySide.QtCore import *
class Dummy(object):
'''Pure python sample class'''
pass
class MySize(QSize):
'''Extended class'''
pass
class ExQObject(QObject):
def __init__(self, *args, **kargs):
QObject.__init__(self, *args, **kargs)
def setProperty(self, value):
self._value = value
def getProperty(self):
return self._value
registeredproperty = QProperty(int, getProperty, setProperty)
class MyObject(QObject):
'''Test Property'''
def readPP(self):
return 42
def trySetPP(self):
self.pp = 0
pp = QProperty(int, readPP)
class PropertyCase(unittest.TestCase):
'''Test case for QObject properties'''
def testObjectNameProperty(self):
#QObject.setProperty() for existing C++ property
obj = QObject()
self.assert_(obj.setProperty('objectName', 'dummy'))
self.assertEqual(obj.objectName(), 'dummy')
self.assert_(obj.setProperty('objectName', 'foobar'))
self.assertEqual(obj.objectName(), 'foobar')
def testDynamicProperty(self):
#QObject.setProperty() for dynamic properties
obj = QObject()
# Should return false when creating a new dynamic property
self.assert_(not obj.setProperty('dummy', 'mydata'))
prop = obj.property('dummy')
self.assert_(isinstance(prop, unicode))
self.assertEqual(obj.property('dummy'), 'mydata')
self.assert_(not obj.setProperty('dummy', 'zigzag'))
prop = obj.property('dummy')
self.assert_(isinstance(prop, unicode))
self.assertEqual(obj.property('dummy'), 'zigzag')
self.assert_(not obj.setProperty('dummy', 42))
prop = obj.property('dummy')
self.assert_(isinstance(prop, int))
# QVariant.toInt has a bool* arg in C++, so returns a tuple
self.assertEqual(obj.property('dummy'), 42)
def testStringProperty(self):
obj = QObject()
self.assert_(not obj.setProperty('dummy', 'data'))
prop = obj.property('dummy')
self.assert_(isinstance(prop, unicode))
self.assertEqual(obj.property('dummy'), 'data')
def testImplicitQVariantProperty(self):
obj = QObject()
self.assert_(not obj.setProperty('dummy', 'data'))
prop = obj.property('dummy')
self.assert_(isinstance(prop, unicode))
self.assertEqual(obj.property('dummy'), 'data')
def testInvalidProperty(self):
#QObject.property() for invalid properties
obj = QObject()
prop = obj.property('dummy')
self.assertEqual(prop, None)
def testTypeNamePythonClasses(self):
'''QVariant of pure python classes'''
d = Dummy()
obj = QObject()
obj.setProperty('foo', d)
# inherited type name from other binding
self.assertEqual(obj.property('foo'), d)
def testQVariantPyList(self):
'''QVariant(QVariantList).toPyObject() equals original list'''
obj = QObject()
obj.setProperty('foo', [1, 'two', 3])
self.assertEqual(obj.property('foo'), [1, 'two', 3])
def testSubClassConvertion(self):
'''QVariant(QSize subclass) type is UserType and returns same object'''
mysize = MySize(0, 0)
obj = QObject()
obj.setProperty('foo', mysize)
self.assertTrue(obj.property('foo') is mysize)
class PropertyWithConstructorCase(unittest.TestCase):
'''Test case for QObject properties set using named arguments in the constructor.'''
def testObjectNameProperty(self):
#QObject(property=value) for existing C++ property
obj = QObject(objectName='dummy')
self.assertEqual(obj.objectName(), 'dummy')
def testDynamicPropertyRaisesException(self):
self.assertRaises(AttributeError, QObject, dummy=42)
def testPythonDeclaredProperty(self):
obj = ExQObject(registeredproperty=123)
self.assertEqual(obj.registeredproperty, 123)
def testConstructorPropertyInQObjectDerived(self):
#QTimer(property=value) for existing C++ property
obj = QTimer(objectName='dummy')
self.assertEqual(obj.objectName(), 'dummy')
def testReadOnlyPythonProperty(self):
o = MyObject()
self.assertEqual(o.pp, 42)
self.assertRaises(AttributeError, o.trySetPP)
if __name__ == '__main__':
unittest.main()
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