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Diffstat (limited to 'sources/shiboken2/tests/samplebinding/modifiedvirtualmethods_test.py')
| -rw-r--r-- | sources/shiboken2/tests/samplebinding/modifiedvirtualmethods_test.py | 248 |
1 files changed, 248 insertions, 0 deletions
diff --git a/sources/shiboken2/tests/samplebinding/modifiedvirtualmethods_test.py b/sources/shiboken2/tests/samplebinding/modifiedvirtualmethods_test.py new file mode 100644 index 000000000..3121a9cc2 --- /dev/null +++ b/sources/shiboken2/tests/samplebinding/modifiedvirtualmethods_test.py @@ -0,0 +1,248 @@ +#!/usr/bin/env python +# -*- coding: utf-8 -*- +# +############################################################################# +## +## Copyright (C) 2016 The Qt Company Ltd. +## Contact: https://www.qt.io/licensing/ +## +## This file is part of the test suite of PySide2. +## +## $QT_BEGIN_LICENSE:GPL-EXCEPT$ +## Commercial License Usage +## Licensees holding valid commercial Qt licenses may use this file in +## accordance with the commercial license agreement provided with the +## Software or, alternatively, in accordance with the terms contained in +## a written agreement between you and The Qt Company. For licensing terms +## and conditions see https://www.qt.io/terms-conditions. For further +## information use the contact form at https://www.qt.io/contact-us. +## +## GNU General Public License Usage +## Alternatively, this file may be used under the terms of the GNU +## General Public License version 3 as published by the Free Software +## Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT +## included in the packaging of this file. Please review the following +## information to ensure the GNU General Public License requirements will +## be met: https://www.gnu.org/licenses/gpl-3.0.html. +## +## $QT_END_LICENSE$ +## +############################################################################# + +'''Test cases for modified virtual methods.''' + +import unittest + +from sample import VirtualMethods, Str + +class ExtendedVirtualMethods(VirtualMethods): + def __init__(self): + VirtualMethods.__init__(self) + self.name_called = False + self.sum0_called = False + self.sum1_called = False + self.sum2_called = False + self.sum3_called = False + self.sum4_called = False + self.sumThree_called = False + self.callMe_called = 0 + self.multiplier = 12345 + + def sum0(self, a0, a1, a2): + self.sum0_called = True + return VirtualMethods.sumThree(self, a0, a1, a2) * self.multiplier + + def sumThree(self, a0, a1, a2): + self.sumThree_called = True + return VirtualMethods.sumThree(self, a0, a1, a2) * self.multiplier + + def sum1(self, a0, a1, a2): + self.sum1_called = True + return VirtualMethods.sum1(self, a0, a1, a2) * self.multiplier + + def sum2(self, a0, a1): + self.sum2_called = True + return VirtualMethods.sum2(self, a0, a1) * self.multiplier + + def sum3(self, a0, a1): + self.sum3_called = True + return VirtualMethods.sum3(self, a0, a1) * self.multiplier + + def sum4(self, a0, a1): + self.sum4_called = True + return VirtualMethods.sum4(self, a0, a1) * self.multiplier + + def name(self): + self.name_called = True + return Str('ExtendedVirtualMethods') + + def callMe(self): + self.callMe_called += 1 + + def getMargins(self): + return tuple([m*2 for m in VirtualMethods.getMargins(self)]) + + +class VirtualMethodsTest(unittest.TestCase): + '''Test case for modified virtual methods.''' + + def setUp(self): + self.vm = VirtualMethods() + self.evm = ExtendedVirtualMethods() + + def tearDown(self): + del self.vm + del self.evm + + def testModifiedVirtualMethod0(self): + '''Renamed virtual method.''' + a0, a1, a2 = 2, 3, 5 + result0 = self.vm.callSum0(a0, a1, a2) + result1 = self.vm.sumThree(a0, a1, a2) + self.assertEqual(result0, a0 + a1 + a2) + self.assertEqual(result0, result1) + self.assertRaises(AttributeError, getattr, self.vm, 'sum0') + + def testReimplementedModifiedVirtualMethod0(self): + '''Override of a renamed virtual method.''' + a0, a1, a2 = 2, 3, 5 + result0 = self.vm.callSum0(a0, a1, a2) + result1 = self.vm.sumThree(a0, a1, a2) + result2 = self.evm.callSum0(a0, a1, a2) + self.assertEqual(result0, result1) + self.assertEqual(result0 * self.evm.multiplier, result2) + self.assertTrue(self.evm.sumThree_called) + self.assertFalse(self.evm.sum0_called) + + def testModifiedVirtualMethod1(self): + '''Virtual method with three arguments and the last one + changed to have the default value set to 1000.''' + a0, a1, a2 = 2, 3, 5 + result0 = self.vm.sum1(a0, a1) + self.assertEqual(result0, a0 + a1 + 1000) + result1 = self.vm.sum1(a0, a1, a2) + result2 = self.vm.callSum1(a0, a1, a2) + self.assertEqual(result1, result2) + + def testReimplementedModifiedVirtualMethod1(self): + '''Override of the virtual method with three arguments and + the last one changed to have the default value set to 1000.''' + a0, a1 = 2, 3 + result0 = self.vm.sum1(a0, a1) + result1 = self.evm.callSum1(a0, a1, 1000) + self.assertEqual(result0 * self.evm.multiplier, result1) + self.assertTrue(self.evm.sum1_called) + + def testModifiedVirtualMethod2(self): + '''Virtual method originally with three arguments, the last + one was removed and the default value set to 2000.''' + a0, a1 = 1, 2 + result0 = self.vm.sum2(a0, a1) + self.assertEqual(result0, a0 + a1 + 2000) + result1 = self.vm.sum2(a0, a1) + result2 = self.vm.callSum2(a0, a1, 2000) + self.assertEqual(result1, result2) + self.assertRaises(TypeError, self.vm.sum2, 1, 2, 3) + + def testReimplementedModifiedVirtualMethod2(self): + '''Override of the virtual method originally with three arguments, + the last one was removed and the default value set to 2000.''' + a0, a1 = 1, 2 + ignored = 54321 + result0 = self.vm.sum2(a0, a1) + result1 = self.evm.callSum2(a0, a1, ignored) + self.assertEqual(result0 * self.evm.multiplier, result1) + self.assertTrue(self.evm.sum2_called) + + def testModifiedVirtualMethod3(self): + '''Virtual method originally with three arguments have the second + one removed and replaced by custom code that replaces it by the sum + of the first and the last arguments.''' + a0, a1 = 1, 2 + result0 = self.vm.sum3(a0, a1) + self.assertEqual(result0, a0 + (a0 + a1) + a1) + result1 = self.vm.callSum3(a0, 10, a1) + self.assertNotEqual(result0, result1) + result2 = self.vm.callSum3(a0, a0 + a1, a1) + self.assertEqual(result0, result2) + self.assertRaises(TypeError, self.vm.sum3, 1, 2, 3) + + def testReimplementedModifiedVirtualMethod3(self): + '''Override of the virtual method originally with three arguments + have the second one removed and replaced by custom code that + replaces it by the sum of the first and the last arguments.''' + a0, a1 = 1, 2 + ignored = 54321 + result0 = self.vm.sum3(a0, a1) + result1 = self.evm.callSum3(a0, ignored, a1) + self.assertEqual(result0 * self.evm.multiplier, result1) + self.assertTrue(self.evm.sum3_called) + + def testModifiedVirtualMethod4(self): + '''Virtual method originally with three arguments, the + last one was removed and the default value set to 3000.''' + a0, a1 = 1, 2 + default_value = 3000 + result0 = self.vm.sum4(a0, a1) + self.assertEqual(result0, a0 + default_value + a1) + removed_arg_value = 100 + result1 = self.vm.callSum4(a0, removed_arg_value, a1) + self.assertEqual(result1, a0 + removed_arg_value + a1) + self.assertRaises(TypeError, self.vm.sum4, 1, 2, 3) + + def testReimplementedModifiedVirtualMethod4(self): + '''Override of the virtual method originally with three arguments, + the last one was removed and the default value set to 3000. + The method was modified with code injection on the binding override + (the one that receives calls from C++ with the original signature + and forwards it to Python overrides) that subtracts the value of the + second argument (removed in Python) from the value of the first + before sending them to Python.''' + a0, a1 = 1, 2 + removed_arg_value = 2011 + default_value = 3000 + result = self.evm.callSum4(a0, removed_arg_value, a1) + self.assertEqual(result, (a0 - removed_arg_value + a1 + default_value) * self.evm.multiplier) + self.assertTrue(self.evm.sum4_called) + + def testOverridenMethodResultModification(self): + '''Injected code modifies the result of a call to a virtual + method overridden in Python.''' + orig_name = self.vm.callName() + self.assertEqual(orig_name, 'VirtualMethods') + name = self.evm.callName() + self.assertEqual(name, 'PimpedExtendedVirtualMethods') + self.assertEqual(name, Str('PimpedExtendedVirtualMethods')) + self.assertTrue(self.evm.name_called) + + def testInjectCodeCallsPythonVirtualMethodOverride(self): + '''When injected code calls the Python override by itself + no code for the method call should be generated.''' + self.evm.callCallMe() + self.assertEqual(self.evm.callMe_called, 1) + + def testAllArgumentsRemoved(self): + values = (10, 20, 30, 40) + self.vm.setMargins(*values) + self.assertEqual(self.vm.getMargins(), values) + + def testAllArgumentsRemovedCallVirtual(self): + values = (10, 20, 30, 40) + self.vm.setMargins(*values) + self.assertEqual(self.vm.callGetMargins(), values) + + def testExtendedAllArgumentsRemoved(self): + values = (10, 20, 30, 40) + self.evm.setMargins(*values) + double = tuple([m*2 for m in values]) + self.assertEqual(self.evm.getMargins(), double) + + def testExtendedAllArgumentsRemovedCallVirtual(self): + values = (10, 20, 30, 40) + self.evm.setMargins(*values) + double = tuple([m*2 for m in values]) + self.assertEqual(self.evm.callGetMargins(), double) + +if __name__ == '__main__': + unittest.main() + |