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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 Derived 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()
import sample
from sample import Abstract, Derived, DerivedUsingCt, OverloadedFuncEnum
class Deviant(Derived):
def __init__(self):
Derived.__init__(self)
self.pure_virtual_called = False
self.unpure_virtual_called = False
def pureVirtual(self):
self.pure_virtual_called = True
def unpureVirtual(self):
self.unpure_virtual_called = True
def className(self):
return 'Deviant'
class ImplementVirtualWithOutParameter(Derived):
def __init__(self, value):
super().__init__()
self._value = value
def virtualWithOutParameter(self):
return self._value
class DerivedTest(unittest.TestCase):
'''Test case for Derived class'''
def testParentClassMethodsAvailability(self):
'''Test if Derived class really inherits its methods from parent.'''
inherited_methods = set(['callPureVirtual', 'callUnpureVirtual',
'id_', 'pureVirtual', 'unpureVirtual'])
self.assertTrue(inherited_methods.issubset(dir(Derived)))
def testOtherOverloadedMethodCall(self):
'''Another test to check overloaded method calling, just to double check.'''
derived = Derived()
result = derived.otherOverloaded(1, 2, True, 3.3)
self.assertEqual(type(result), Derived.OtherOverloadedFuncEnum)
self.assertEqual(result, sample.Derived.OtherOverloadedFunc_iibd)
result = derived.otherOverloaded(1, 2.2)
self.assertEqual(type(result), Derived.OtherOverloadedFuncEnum)
self.assertEqual(result, Derived.OtherOverloadedFunc_id)
def testOverloadedMethodCallWithDifferentNumericTypes(self):
'''Test if the correct overloaded method accepts a different numeric type as argument.'''
derived = Derived()
result = derived.overloaded(1.1, 2.2)
self.assertEqual(type(result), OverloadedFuncEnum)
def testOverloadedMethodCallWithWrongNumberOfArguments(self):
'''Test if a call to an overloaded method with the wrong number of arguments
raises an exception.'''
derived = Derived()
self.assertRaises(TypeError, derived.otherOverloaded, 1, 2, True)
def testReimplementedPureVirtualMethodCall(self):
'''Test if a Python override of a implemented pure virtual method is
correctly called from C++.'''
d = Deviant()
d.callPureVirtual()
self.assertTrue(d.pure_virtual_called)
def testReimplementedVirtualMethodCall(self):
'''Test if a Python override of a reimplemented virtual method is
correctly called from C++.'''
d = Deviant()
d.callUnpureVirtual()
self.assertTrue(d.unpure_virtual_called)
def testVirtualMethodCallString(self):
'''Test virtual method call returning string.'''
d = Derived()
self.assertEqual(d.className(), 'Derived')
self.assertEqual(d.getClassName(), 'Derived')
def testReimplementedVirtualMethodCallReturningString(self):
'''Test if a Python override of a reimplemented virtual method is
correctly called from C++.'''
d = Deviant()
self.assertEqual(d.className(), 'Deviant')
self.assertEqual(d.getClassName(), 'Deviant')
def testSingleArgument(self):
'''Test singleArgument call.'''
d = Derived()
self.assertTrue(d.singleArgument(False))
self.assertTrue(not d.singleArgument(True))
def testMethodCallWithDefaultValue(self):
'''Test method call with default value.'''
d = Derived()
self.assertEqual(d.defaultValue(3), 3.1)
self.assertEqual(d.defaultValue(), 0.1)
def testCallToMethodWithAbstractArgument(self):
'''Call to method that expects an Abstract argument.'''
objId = 123
d = Derived(objId)
self.assertEqual(Abstract.getObjectId(d), objId)
def testObjectCreationWithParentType(self):
'''Derived class creates an instance of itself in C++ and returns it as
a pointer to its ancestor Abstract.'''
obj = Derived.createObject()
self.assertEqual(type(obj), Derived)
def testDerivedUsingCt(self):
'''Test whether a constructor of the base class declared by using works'''
obj = DerivedUsingCt(42)
self.assertEqual(obj.value(), 42)
def testVirtualWithOutParameter(self):
d = Derived()
self.assertEqual(d.callVirtualWithOutParameter(), 42)
d = ImplementVirtualWithOutParameter(1)
self.assertEqual(d.callVirtualWithOutParameter(), 1)
if __name__ == '__main__':
unittest.main()
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