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#!/usr/bin/python
#############################################################################
##
## 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.
##
## $QT_END_LICENSE$
##
#############################################################################
'''Unit tests for QDataStream'''
import unittest
import py3kcompat as py3k
from PySide2.QtCore import QBitArray, QByteArray, QIODevice, QDataStream, QDate, QTime, QDateTime
def create_bitarray(string):
array = QBitArray(len(string))
for i, char in enumerate(string):
array.setBit(i, char != '0')
return array
class QDataStreamWrite(unittest.TestCase):
'''Test case for QDatastream write* functions'''
def setUp(self):
self.ba = QByteArray()
self.read = QDataStream(self.ba, QIODevice.ReadOnly)
self.write = QDataStream(self.ba, QIODevice.WriteOnly)
def testWriteUInt8(self):
'''QDataStream.writeUInt8 (accepting str of size 1)'''
x = 0xFF
self.write.writeUInt8(x)
y = self.read.readUInt8()
self.assertEqual(x, y)
self.assertRaises(TypeError, self.write.writeUInt8, 'aaaaa')
def testWriteInt8(self):
'''QDataStream.writeInt8 (accepting str of size 1)'''
x = 65
self.write.writeInt8(chr(x))
y = self.read.readInt8()
self.assertEqual(x, y)
self.assertRaises(TypeError, self.write.writeInt8, 'aaaaa')
def testWriteUInt8Int(self):
'''QDataStream.writeUInt8 (accepting integer)'''
x = 0xFF
self.write.writeUInt8(x)
y = self.read.readUInt8()
self.assertEqual(x, y)
def testWriteInt8Int(self):
'''QDataStream.writeInt8 (accepting integer)'''
x = 65
self.write.writeInt8(x)
y = self.read.readInt8()
self.assertEqual(x, y)
def testWriteUInt16(self):
'''QDataStream.writeUInt16'''
x = 0x4423
self.write.writeUInt16(x)
y = int(self.read.readUInt16())
self.assertEqual(x, y)
def testWriteUInt32(self):
'''QDataStream.writeUInt32'''
x = 0xdeadbeef
self.write.writeUInt32(x)
y = int(self.read.readUInt32())
self.assertEqual(x, y)
class QDataStreamShift(unittest.TestCase):
'''Test case for << and >> operators'''
def setUp(self):
self.ba = QByteArray()
self.stream = QDataStream(self.ba, QIODevice.WriteOnly)
self.read_stream = QDataStream(self.ba, QIODevice.ReadOnly)
def testQCharValid(self):
'''QDataStream <<>> QChar - valid'''
self.stream.writeQChar(42)
res = self.read_stream.readQChar()
self.assertEqual(res, py3k.unichr(42))
def testQCharNull(self):
'''QDataStream <<>> QChar - null'''
self.stream.writeQChar(None)
res = self.read_stream.readQChar()
self.assertEqual(res, py3k.unicode_('\x00'))
def testQByteArrayValid(self):
'''QDataStream <<>> QByteArray - valid'''
self.stream << QByteArray("hello")
res = QByteArray()
self.read_stream >> res
self.assertEqual(res, QByteArray("hello"))
def testQByteArrayEmpty(self):
'''QDataStream <<>> QByteArray - empty'''
self.stream << QByteArray("")
res = QByteArray()
self.read_stream >> res
self.assertEqual(res, QByteArray(""))
self.assertTrue(res.isEmpty())
self.assertFalse(res.isNull())
def testQByteArrayNull(self):
'''QDataStream <<>> QByteArray - null'''
self.stream << QByteArray()
res = QByteArray()
self.read_stream >> res
self.assertEqual(res, QByteArray())
self.assertTrue(res.isEmpty())
self.assertTrue(res.isNull())
def testQStringValid(self):
'''QDataStream <<>> QString - valid'''
self.stream.writeQString('Ka-boom')
res = self.read_stream.readQString()
self.assertEqual(res, py3k.unicode_('Ka-boom'))
def testQStringEmpty(self):
'''QDataStream <<>> QString - empty'''
self.stream.writeQString('')
res = self.read_stream.readQString()
self.assertEqual(res, py3k.unicode_(''))
def testQStringNull(self):
'''QDataStream <<>> QString - null'''
self.stream.writeQString(None)
res = self.read_stream.readQString()
self.assertEqual(res, py3k.unicode_(''))
def testQBitArrayNull(self):
'''QDataStream <<>> QBitArray - null'''
self.stream << QBitArray()
res = QBitArray()
self.read_stream >> res
self.assertEqual(res, QBitArray())
def testQBitArrayValid(self):
'''QDataStream <<>> QBitArray - valid'''
self.stream << create_bitarray('01010101')
res = QBitArray()
self.read_stream >> res
self.assertEqual(res, create_bitarray('01010101'))
def testQDateNull(self):
'''QDataStream <<>> QDate - null'''
self.stream << QDate()
res = QDate()
self.read_stream >> res
self.assertEqual(res, QDate())
self.assertFalse(res.isValid())
self.assertTrue(res.isNull())
def testQDateValid(self):
'''QDataStream <<>> QDate - valid'''
self.stream << QDate(2012, 12, 21)
res = QDate()
self.read_stream >> res
self.assertEqual(res, QDate(2012, 12, 21))
self.assertTrue(res.isValid())
self.assertFalse(res.isNull())
def testQTimeNull(self):
'''QDataStream <<>> QTime - null'''
self.stream << QTime()
res = QTime()
self.read_stream >> res
self.assertEqual(res, QTime())
self.assertFalse(res.isValid())
self.assertTrue(res.isNull())
def testQTimeValid(self):
'''QDataStream <<>> QTime - valid'''
self.stream << QTime(12, 12, 21)
res = QTime()
self.read_stream >> res
self.assertEqual(res, QTime(12, 12, 21))
self.assertTrue(res.isValid())
self.assertFalse(res.isNull())
def testQDateTimeNull(self):
'''QDataStream <<>> QDateTime - null'''
self.stream << QDateTime()
res = QDateTime()
self.read_stream >> res
self.assertEqual(res, QDateTime())
self.assertFalse(res.isValid())
self.assertTrue(res.isNull())
def testQDateTimeValid(self):
'''QDataStream <<>> QDateTime - valid'''
time = QTime(23, 23, 23)
date = QDate(2009, 1, 1)
self.stream << QDateTime(date, time)
res = QDateTime()
self.read_stream >> res
self.assertEqual(res, QDateTime(date, time))
self.assertTrue(res.isValid())
self.assertFalse(res.isNull())
class QDataStreamShiftBitArray(unittest.TestCase):
def _check_bitarray(self, data_set):
'''Check the >> operator for the given data set'''
for data, expectedStatus, expectedString in data_set:
stream = QDataStream(data, QIODevice.ReadOnly)
string = QBitArray()
stream >> string
self.assertEqual(stream.status(), expectedStatus)
self.assertEqual(string.size(), expectedString.size())
self.assertEqual(string, expectedString)
def testOk(self):
'''QDataStream with valid QBitArray'''
data = []
data.append((QByteArray('\x00\x00\x00\x00'), QDataStream.Ok,
QBitArray()))
data.append((QByteArray('\x00\x00\x00\x01\x00'), QDataStream.Ok,
create_bitarray('0')))
data.append((QByteArray('\x00\x00\x00\x01\x01'), QDataStream.Ok,
create_bitarray('1')))
data.append((QByteArray('\x00\x00\x00\x02\x03'), QDataStream.Ok,
create_bitarray('11')))
data.append((QByteArray('\x00\x00\x00\x03\x07'), QDataStream.Ok,
create_bitarray('111')))
data.append((QByteArray('\x00\x00\x00\x04\x0f'), QDataStream.Ok,
create_bitarray('1111')))
data.append((QByteArray('\x00\x00\x00\x05\x1f'), QDataStream.Ok,
create_bitarray('11111')))
data.append((QByteArray('\x00\x00\x00\x06\x3f'), QDataStream.Ok,
create_bitarray('111111')))
data.append((QByteArray('\x00\x00\x00\x07\x7f'), QDataStream.Ok,
create_bitarray('1111111')))
data.append((QByteArray('\x00\x00\x00\x07\x7e'), QDataStream.Ok,
create_bitarray('0111111')))
data.append((QByteArray('\x00\x00\x00\x07\x00'), QDataStream.Ok,
create_bitarray('0000000')))
data.append((QByteArray('\x00\x00\x00\x07\x39'), QDataStream.Ok,
create_bitarray('1001110')))
self._check_bitarray(data)
def testPastEnd(self):
'''QDataStream >> QBitArray reading past the end of the data'''
data = []
data.append((QByteArray(), QDataStream.ReadPastEnd,
QBitArray()))
data.append((QByteArray('\x00'), QDataStream.ReadPastEnd,
QBitArray()))
data.append((QByteArray('\x00\x00'), QDataStream.ReadPastEnd,
QBitArray()))
data.append((QByteArray('\x00\x00\x00'), QDataStream.ReadPastEnd,
QBitArray()))
data.append((QByteArray('\x00\x00\x00\x01'), QDataStream.ReadPastEnd,
QBitArray()))
data.append((QByteArray('\x00\x00\x00\x02'), QDataStream.ReadPastEnd,
QBitArray()))
data.append((QByteArray('\x00\x00\x00\x03'), QDataStream.ReadPastEnd,
QBitArray()))
data.append((QByteArray('\x00\x00\x00\x04'), QDataStream.ReadPastEnd,
QBitArray()))
self._check_bitarray(data)
def testCorruptData(self):
'''QDataStream reading corrupt data'''
data = []
data.append((QByteArray('\x00\x00\x00\x01\x02'),
QDataStream.ReadCorruptData,
QBitArray()))
self._check_bitarray(data)
class QDataStreamRawData(unittest.TestCase):
def testRawData(self):
data = QDataStream()
self.assertEqual(data.readRawData(4), None)
ba = QByteArray()
data = QDataStream(ba, QIODevice.WriteOnly)
data.writeRawData('AB\x00C')
self.assertEqual(ba.data(), py3k.b('AB\x00C'))
data = QDataStream(ba)
self.assertEqual(data.readRawData(4), py3k.b('AB\x00C'))
if __name__ == '__main__':
unittest.main()
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