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#!/usr/bin/env python
# Copyright (C) 2022 The Qt Company Ltd.
# SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
'''Test cases for Abstract class'''
import os
import sys
import unittest
from pathlib import Path
sys.path.append(os.fspath(Path(__file__).resolve().parents[1]))
from shiboken_paths import init_paths
init_paths()
from sample import Abstract
class Incomplete(Abstract):
def __init__(self):
Abstract.__init__(self)
class Concrete(Abstract):
def __init__(self):
Abstract.__init__(self)
self.pure_virtual_called = False
self.unpure_virtual_called = False
def pureVirtual(self):
self.pure_virtual_called = True
def pureVirtualReturningVoidPtr(self):
return 42
def unpureVirtual(self):
self.unpure_virtual_called = True
def virtualGettingAEnum(self, enum):
self.virtual_getting_enum = True
class AbstractTest(unittest.TestCase):
'''Test case for Abstract class'''
def testAbstractPureVirtualMethodAvailability(self):
'''Test if Abstract class pure virtual method was properly wrapped.'''
self.assertTrue('pureVirtual' in dir(Abstract))
def testAbstractInstanciation(self):
'''Test if instanciation of an abstract class raises the correct exception.'''
self.assertRaises(NotImplementedError, Abstract)
def testUnimplementedPureVirtualMethodCall(self):
'''Test if calling a pure virtual method raises the correct exception.'''
i = Incomplete()
self.assertRaises(NotImplementedError, i.pureVirtual)
def testPureVirtualReturningVoidPtrReturnValue(self):
'''Test if a pure virtual method returning void ptr can be properly reimplemented'''
# Note that the semantics of reimplementing the pure virtual method in
# Python and calling it from C++ is undefined until it's decided how to
# cast the Python data types to void pointers
c = Concrete()
self.assertEqual(c.pureVirtualReturningVoidPtr(),42)
def testReimplementedVirtualMethodCall(self):
'''Test if instanciation of an abstract class raises the correct exception.'''
i = Concrete()
self.assertRaises(NotImplementedError, i.callPureVirtual)
def testReimplementedVirtualMethodCall(self):
'''Test if a Python override of a virtual method is correctly called from C++.'''
c = Concrete()
c.callUnpureVirtual()
self.assertTrue(c.unpure_virtual_called)
def testImplementedPureVirtualMethodCall(self):
'''Test if a Python override of a pure virtual method is correctly called from C++.'''
c = Concrete()
c.callPureVirtual()
self.assertTrue(c.pure_virtual_called)
def testEnumParameterOnVirtualMethodCall(self):
'''testEnumParameterOnVirtualMethodCall'''
c = Concrete()
c.callVirtualGettingEnum(Abstract.Short)
self.assertTrue(c.virtual_getting_enum)
if __name__ == '__main__':
unittest.main()
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