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# Copyright (C) 2022 The Qt Company Ltd.
# SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
"""
iterable_test.py
This test checks that the Iterable protocol is implemented correctly.
"""
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)
import PySide6
from PySide6 import QtCore, QtGui
try:
import numpy as np
have_numpy = True
except ImportError:
have_numpy = False
class PySequenceTest(unittest.TestCase):
def test_iterable(self):
def gen(lis):
for item in lis:
if item == "crash":
raise IndexError
yield item
# testing "pyseq_to_cpplist_conversion"
testfunc = QtCore.QUrl.fromStringList
# use a generator (iterable)
self.assertEqual(testfunc(gen(["asd", "ghj"])),
[PySide6.QtCore.QUrl('asd'), PySide6.QtCore.QUrl('ghj')])
# use an iterator
self.assertEqual(testfunc(iter(["asd", "ghj"])),
[PySide6.QtCore.QUrl('asd'), PySide6.QtCore.QUrl('ghj')])
self.assertRaises(IndexError, testfunc, gen(["asd", "crash", "ghj"]))
# testing QMatrix4x4
testfunc = QtGui.QMatrix4x4
self.assertEqual(testfunc(gen(range(16))), testfunc(range(16)))
# Note: The errormessage needs to be improved!
# We should better get a ValueError
self.assertRaises((TypeError, ValueError), testfunc, gen(range(15)))
# All other matrix sizes:
testfunc = QtGui.QMatrix2x2
self.assertEqual(testfunc(gen(range(4))), testfunc(range(4)))
testfunc = QtGui.QMatrix2x3
self.assertEqual(testfunc(gen(range(6))), testfunc(range(6)))
@unittest.skipUnless(have_numpy, "requires numpy")
def test_iterable_numpy(self):
# Demo for numpy: We create a unit matrix.
num_mat = np.eye(4)
num_mat.shape = 16
unit = QtGui.QMatrix4x4(num_mat)
self.assertEqual(unit, QtGui.QMatrix4x4())
if __name__ == '__main__':
unittest.main()
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