diff options
Diffstat (limited to 'sources/pyside6/tests/QtCore/qdatastream_test.py')
-rw-r--r-- | sources/pyside6/tests/QtCore/qdatastream_test.py | 326 |
1 files changed, 326 insertions, 0 deletions
diff --git a/sources/pyside6/tests/QtCore/qdatastream_test.py b/sources/pyside6/tests/QtCore/qdatastream_test.py new file mode 100644 index 000000000..517f466aa --- /dev/null +++ b/sources/pyside6/tests/QtCore/qdatastream_test.py @@ -0,0 +1,326 @@ +#!/usr/bin/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 + +'''Unit tests for QDataStream''' + +import os +import sys +import unittest + +from pathlib import Path + +sys.path.append(os.fspath(Path(__file__).resolve().parents[1])) +from init_paths import init_test_paths + +init_test_paths(False) + +from PySide6.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 + + +def serialize_bitarray(bit_array): + buffer = QByteArray() + stream = QDataStream(buffer, QIODevice.WriteOnly) + stream << bit_array + return buffer + + +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, chr(42)) + + def testQCharNull(self): + '''QDataStream <<>> QChar - null''' + self.stream.writeQChar(None) + + res = self.read_stream.readQChar() + self.assertEqual(res, '\x00') + + def testQByteArrayValid(self): + '''QDataStream <<>> QByteArray - valid''' + self.stream << QByteArray(bytes("hello", "UTF-8")) + + res = QByteArray() + + self.read_stream >> res + self.assertEqual(res, QByteArray(bytes("hello", "UTF-8"))) + + def testQByteArrayEmpty(self): + '''QDataStream <<>> QByteArray - empty''' + self.stream << QByteArray(bytes("", "UTF-8")) + + res = QByteArray() + + self.read_stream >> res + self.assertEqual(res, QByteArray(bytes("", "UTF-8"))) + 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, 'Ka-boom') + + def testQStringEmpty(self): + '''QDataStream <<>> QString - empty''' + self.stream.writeQString('') + + res = self.read_stream.readQString() + self.assertEqual(res, '') + + def testQStringNull(self): + '''QDataStream <<>> QString - null''' + self.stream.writeQString(None) + + res = self.read_stream.readQString() + self.assertEqual(res, '') + + 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''' + test_set = [QBitArray()] + for i in range(1, 7): + test_set.append(create_bitarray(i * '1')) + for s in ['0111111', '0000000', '1001110']: + test_set.append(create_bitarray(s)) + + data = [] + for expected in test_set: + data.append((serialize_bitarray(expected), QDataStream.Ok, expected)) + self._check_bitarray(data) + + def testPastEnd(self): + '''QDataStream >> QBitArray reading past the end of the data''' + serialized = serialize_bitarray(create_bitarray('1001110')) + serialized.resize(serialized.size() - 2) + self._check_bitarray([(serialized, QDataStream.ReadPastEnd, QBitArray())]) + + +class QDataStreamBuffer(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(), bytes('AB\x00C', "UTF-8")) + + data = QDataStream(ba) + self.assertEqual(data.readRawData(4), bytes('AB\x00C', "UTF-8")) + + def testRawDataBytes(self): + test_data = b'AB\0' + data = QDataStream() + ba = QByteArray() + data = QDataStream(ba, QIODevice.WriteOnly) + data.writeRawData(test_data) + self.assertEqual(ba.data(), test_data) + data = QDataStream(ba) + self.assertEqual(data.readRawData(3), test_data) + + def testBytes(self): + dataOne = QDataStream() + self.assertEqual(dataOne.readBytes(4), None) + + ba = QByteArray() + data = QDataStream(ba, QIODevice.WriteOnly) + # writeBytes() writes a quint32 containing the length of the data, + # followed by the data. + data.writeBytes(bytes('AB\x00C', 'UTF-8')) + self.assertEqual(ba.data(), bytes('\x00\x00\x00\x04AB\x00C', 'UTF-8')) + + data = QDataStream(ba) + buffer = data.readBytes(4) + self.assertEqual(buffer, bytes('AB\x00C', 'UTF-8')) + + +if __name__ == '__main__': + unittest.main() |