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Diffstat (limited to 'sources/shiboken2/tests/samplebinding/duck_punching_test.py')
| -rw-r--r-- | sources/shiboken2/tests/samplebinding/duck_punching_test.py | 176 |
1 files changed, 0 insertions, 176 deletions
diff --git a/sources/shiboken2/tests/samplebinding/duck_punching_test.py b/sources/shiboken2/tests/samplebinding/duck_punching_test.py deleted file mode 100644 index efc8f344f..000000000 --- a/sources/shiboken2/tests/samplebinding/duck_punching_test.py +++ /dev/null @@ -1,176 +0,0 @@ -#!/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 Qt for Python. -## -## $QT_BEGIN_LICENSE:GPL-EXCEPT$ -## 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 virtual methods.''' - -import types -import unittest -from py3kcompat import IS_PY3K - -from sample import VirtualMethods, SimpleFile, Point - -def MethodTypeCompat(func, instance): - if IS_PY3K: - return types.MethodType(func, instance) - else: - return types.MethodType(func, instance, type(instance)) - -class Duck(VirtualMethods): - def __init__(self): - VirtualMethods.__init__(self) - -class Monkey(SimpleFile): - def __init__(self, filename): - SimpleFile.__init__(self, filename) - -class DuckPunchingTest(unittest.TestCase): - '''Test case for duck punching (aka "monkey patching").''' - - def setUp(self): - self.multiplier = 2.0 - self.duck_method_called = False - self.call_counter = 0 - - def testMonkeyPatchOnVirtualMethod(self): - '''Injects new 'virtualMethod0' on a VirtualMethods instance and makes C++ call it.''' - vm = VirtualMethods() - pt, val, cpx, b = Point(1.1, 2.2), 4, complex(3.3, 4.4), True - - result1 = vm.virtualMethod0(pt, val, cpx, b) - result2 = vm.callVirtualMethod0(pt, val, cpx, b) - self.assertEqual(result1, result2) - self.assertEqual(result1, VirtualMethods.virtualMethod0(vm, pt, val, cpx, b)) - - def myVirtualMethod0(obj, pt, val, cpx, b): - self.duck_method_called = True - return VirtualMethods.virtualMethod0(obj, pt, val, cpx, b) * self.multiplier - vm.virtualMethod0 = MethodTypeCompat(myVirtualMethod0, vm) - - result1 = vm.callVirtualMethod0(pt, val, cpx, b) - self.assertTrue(self.duck_method_called) - - result2 = vm.virtualMethod0(pt, val, cpx, b) - self.assertEqual(result1, result2) - self.assertEqual(result1, VirtualMethods.virtualMethod0(vm, pt, val, cpx, b) * self.multiplier) - - # This is done to decrease the refcount of the vm object - # allowing the object wrapper to be deleted before the - # BindingManager. This is useful when compiling Shiboken - # for debug, since the BindingManager destructor has an - # assert that checks if the wrapper mapper is empty. - vm.virtualMethod0 = None - - def testMonkeyPatchOnVirtualMethodWithInheritance(self): - '''Injects new 'virtualMethod0' on an object that inherits from VirtualMethods and makes C++ call it.''' - duck = Duck() - pt, val, cpx, b = Point(1.1, 2.2), 4, complex(3.3, 4.4), True - - result1 = duck.virtualMethod0(pt, val, cpx, b) - result2 = duck.callVirtualMethod0(pt, val, cpx, b) - self.assertEqual(result1, result2) - self.assertEqual(result1, VirtualMethods.virtualMethod0(duck, pt, val, cpx, b)) - - def myVirtualMethod0(obj, pt, val, cpx, b): - self.duck_method_called = True - return VirtualMethods.virtualMethod0(obj, pt, val, cpx, b) * self.multiplier - duck.virtualMethod0 = MethodTypeCompat(myVirtualMethod0, duck) - - result1 = duck.callVirtualMethod0(pt, val, cpx, b) - self.assertTrue(self.duck_method_called) - - result2 = duck.virtualMethod0(pt, val, cpx, b) - self.assertEqual(result1, result2) - self.assertEqual(result1, VirtualMethods.virtualMethod0(duck, pt, val, cpx, b) * self.multiplier) - - duck.virtualMethod0 = None - - def testMonkeyPatchOnMethodWithStaticAndNonStaticOverloads(self): - '''Injects new 'exists' on a SimpleFile instance and makes C++ call it.''' - simplefile = SimpleFile('foobar') - - # Static 'exists' - simplefile.exists('sbrubbles') - self.assertFalse(self.duck_method_called) - # Non-static 'exists' - simplefile.exists() - self.assertFalse(self.duck_method_called) - - def myExists(obj): - self.duck_method_called = True - return False - simplefile.exists = MethodTypeCompat(myExists, simplefile) - - # Static 'exists' was overridden by the monkey patch, which accepts 0 arguments - self.assertRaises(TypeError, simplefile.exists, 'sbrubbles') - # Monkey patched exists - simplefile.exists() - self.assertTrue(self.duck_method_called) - - simplefile.exists = None - - def testMonkeyPatchOnMethodWithStaticAndNonStaticOverloadsWithInheritance(self): - '''Injects new 'exists' on an object that inherits from SimpleFile and makes C++ call it.''' - monkey = Monkey('foobar') - - # Static 'exists' - monkey.exists('sbrubbles') - self.assertFalse(self.duck_method_called) - # Non-static 'exists' - monkey.exists() - self.assertFalse(self.duck_method_called) - - def myExists(obj): - self.duck_method_called = True - return False - monkey.exists = MethodTypeCompat(myExists, monkey) - - # Static 'exists' was overridden by the monkey patch, which accepts 0 arguments - self.assertRaises(TypeError, monkey.exists, 'sbrubbles') - # Monkey patched exists - monkey.exists() - self.assertTrue(self.duck_method_called) - - monkey.exists = None - - def testForInfiniteRecursion(self): - def myVirtualMethod0(obj, pt, val, cpx, b): - self.call_counter += 1 - return VirtualMethods.virtualMethod0(obj, pt, val, cpx, b) - vm = VirtualMethods() - vm.virtualMethod0 = MethodTypeCompat(myVirtualMethod0, vm) - pt, val, cpx, b = Point(1.1, 2.2), 4, complex(3.3, 4.4), True - vm.virtualMethod0(pt, val, cpx, b) - self.assertEqual(self.call_counter, 1) - - -if __name__ == '__main__': - unittest.main() - |