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#!/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 method modifications performed as described on type system. '''
import unittest
from sample import Modifications, Point, ByteArray
class ExtModifications(Modifications):
def __init__(self):
Modifications.__init__(self)
self.multiplier = 3.0
self.increment = 10.0
def name(self):
return 'ExtModifications'
def differenceOfPointCoordinates(self, point):
ok, res = Modifications.differenceOfPointCoordinates(self, point)
return ok, res * self.multiplier + self.increment
class ModificationsTest(unittest.TestCase):
'''Test cases for method modifications performed as described on type system. '''
def setUp(self):
self.mods = Modifications()
def tearDown(self):
del self.mods
def testClassMembersAvailability(self):
'''Test if Modified class really have the expected members.'''
expected_members = set(['OverloadedModFunc', 'OverloadedNone',
'Overloaded_ibiP', 'Overloaded_ibib',
'Overloaded_ibid', 'Overloaded_ibii',
'calculateArea', 'doublePlus', 'increment',
'multiplyPointCoordsPlusValue', 'name',
'pointToPair', 'overloaded', 'power',
'timesTen'])
self.assertTrue(expected_members.issubset(dir(Modifications)))
def testRenamedMethodAvailability(self):
'''Test if Modification class really have renamed the 'className' virtual method to 'name'.'''
self.assertTrue('className' not in dir(Modifications))
self.assertTrue('name' in dir(Modifications))
def testReimplementationOfRenamedVirtualMethod(self):
'''Test if class inheriting from Modification class have the reimplementation of renamed virtual method called.'''
em = ExtModifications()
self.assertEqual(self.mods.name(), 'Modifications')
self.assertEqual(em.name(), 'ExtModifications')
def testRegularMethodRenaming(self):
'''Test if Modifications::cppMultiply was correctly renamed to calculateArea.'''
self.assertTrue('cppMultiply' not in dir(Modifications))
self.assertTrue('calculateArea' in dir(Modifications))
self.assertEqual(self.mods.calculateArea(3, 6), 3 * 6)
def testRegularMethodRemoval(self):
'''Test if 'Modifications::exclusiveCppStuff' was removed from Python bindings.'''
self.assertTrue('exclusiveCppStuff' not in dir(Modifications))
def testArgumentRemoval(self):
'''Test if second argument of Modifications::doublePlus(int, int) was removed.'''
self.assertRaises(TypeError, self.mods.doublePlus, 3, 7)
self.assertEqual(self.mods.doublePlus(7), 14)
def testDefaultValueRemoval(self):
'''Test if default value was removed from first argument of Modifications::increment(int).'''
self.assertRaises(TypeError, self.mods.increment)
self.assertEqual(self.mods.increment(7), 8)
def testDefaultValueReplacement(self):
'''Test if default values for both arguments of Modifications::power(int, int) were modified.'''
# original default values: int power(int base = 1, int exponent = 0);
self.assertNotEqual(self.mods.power(4), 1)
# modified default values: int power(int base = 2, int exponent = 1);
self.assertEqual(self.mods.power(), 2)
self.assertEqual(self.mods.power(3), 3)
self.assertEqual(self.mods.power(5, 3), 5**3)
def testSetNewDefaultValue(self):
'''Test if default value was correctly set to 10 for first argument of Modifications::timesTen(int).'''
self.assertEqual(self.mods.timesTen(7), 70)
self.assertEqual(self.mods.timesTen(), 100)
def testArgumentRemovalAndReturnTypeModificationWithTypesystemTemplates1(self):
'''Test modifications to method signature and return value using type system templates (case 1).'''
result, ok = self.mods.pointToPair(Point(2, 5))
self.assertEqual(type(ok), bool)
self.assertEqual(type(result), tuple)
self.assertEqual(len(result), 2)
self.assertEqual(type(result[0]), float)
self.assertEqual(type(result[1]), float)
self.assertEqual(result[0], 2.0)
self.assertEqual(result[1], 5.0)
def testArgumentRemovalAndReturnTypeModificationWithTypesystemTemplates2(self):
'''Test modifications to method signature and return value using type system templates (case 2).'''
result, ok = self.mods.multiplyPointCoordsPlusValue(Point(2, 5), 4.1)
self.assertEqual(type(ok), bool)
self.assertEqual(type(result), float)
self.assertEqual(result, 14.1)
def testOverloadedMethodModifications(self):
'''Tests modifications to an overloaded method'''
# overloaded(int, bool[removed], int, double)
self.assertEqual(self.mods.overloaded(1, 2, 3.1), Modifications.Overloaded_ibid)
# overloaded(int, bool, int[removed,default=321], int)
self.assertEqual(self.mods.overloaded(1, True, 2), Modifications.Overloaded_ibii)
# the others weren't modified
self.assertEqual(self.mods.overloaded(1, True, 2, False), Modifications.Overloaded_ibib)
self.assertEqual(self.mods.overloaded(1, False, 2, Point(3, 4)), Modifications.Overloaded_ibiP)
self.assertRaises(TypeError, self.mods.overloaded, 1, True, Point(2, 3), Point(4, 5))
self.assertEqual(self.mods.over(1, True, Point(2, 3), Point(4, 5)), Modifications.Overloaded_ibPP)
def testPointArrayModification(self):
points = (Point(1, 1), Point(2, 2))
summedPoint = Point(1, 1) + Point(2, 2)
self.assertEqual(self.mods.sumPointArray(points), summedPoint)
def testTypeSystemVariableReplacementInFunctionModification(self):
ba = ByteArray('12345')
self.assertEqual(self.mods.getSize(ba), len(ba))
self.assertEqual(self.mods.getSize(ba, 20), 20)
def testNoNulPointerTag(self):
point = Point(12, 34)
self.assertEqual(self.mods.sumPointCoordinates(point), 12 + 34)
self.assertRaises(TypeError, self.mods.sumPointCoordinates, None)
def testNonConversionRuleForArgumentWithDefaultValue(self):
status, obj = self.mods.nonConversionRuleForArgumentWithDefaultValue()
self.assertTrue(status)
self.assertEqual(obj, self.mods.getObject())
self.assertEqual(obj.objectName(), 'MyObject')
def testInjectCodeWithConversionVariableForUserPrimitive(self):
self.assertTrue(Modifications.invertBoolean(False))
self.assertFalse(Modifications.invertBoolean(True))
def testConversionRuleForReturnType(self):
x, y = 11, 2
diff = float(abs(x - y))
point = Point(x, y)
ok, res = self.mods.differenceOfPointCoordinates(point)
self.assertTrue(isinstance(ok, bool))
self.assertTrue(isinstance(res, float))
self.assertEqual(res, diff)
ok, res = self.mods.callDifferenceOfPointCoordinates(point)
self.assertTrue(isinstance(ok, bool))
self.assertTrue(isinstance(res, float))
self.assertEqual(res, diff)
ok, res = self.mods.differenceOfPointCoordinates(None)
self.assertTrue(isinstance(ok, bool))
self.assertTrue(isinstance(res, float))
self.assertEqual(res, 0.0)
ok, res = self.mods.callDifferenceOfPointCoordinates(None)
self.assertTrue(isinstance(ok, bool))
self.assertTrue(isinstance(res, float))
self.assertEqual(res, 0.0)
def testConversionRuleForReturnTypeOnExtendedClass(self):
x, y = 11, 2
diff = float(abs(x - y))
point = Point(x, y)
em = ExtModifications()
ok, res = em.differenceOfPointCoordinates(point)
self.assertTrue(isinstance(ok, bool))
self.assertTrue(isinstance(res, float))
self.assertEqual(res, diff * em.multiplier + em.increment)
ok, res = em.callDifferenceOfPointCoordinates(point)
self.assertTrue(isinstance(ok, bool))
self.assertTrue(isinstance(res, float))
self.assertEqual(res, diff * em.multiplier + em.increment)
ok, res = em.differenceOfPointCoordinates(None)
self.assertTrue(isinstance(ok, bool))
self.assertTrue(isinstance(res, float))
self.assertEqual(res, em.increment)
ok, res = em.callDifferenceOfPointCoordinates(None)
self.assertTrue(isinstance(ok, bool))
self.assertTrue(isinstance(res, float))
self.assertEqual(res, em.increment)
if __name__ == '__main__':
unittest.main()
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