diff options
Diffstat (limited to 'sources/pyside2/tests/pysidetest')
-rw-r--r-- | sources/pyside2/tests/pysidetest/CMakeLists.txt | 1 | ||||
-rw-r--r-- | sources/pyside2/tests/pysidetest/qapp_like_a_macro_test.py | 76 |
2 files changed, 77 insertions, 0 deletions
diff --git a/sources/pyside2/tests/pysidetest/CMakeLists.txt b/sources/pyside2/tests/pysidetest/CMakeLists.txt index 5941df5e5..16380e490 100644 --- a/sources/pyside2/tests/pysidetest/CMakeLists.txt +++ b/sources/pyside2/tests/pysidetest/CMakeLists.txt @@ -143,3 +143,4 @@ PYSIDE_TEST(mixin_signal_slots_test.py) PYSIDE_TEST(signal_slot_warning.py) PYSIDE_TEST(all_modules_load_test.py) PYSIDE_TEST(signature_test.py) +PYSIDE_TEST(qapp_like_a_macro_test.py) diff --git a/sources/pyside2/tests/pysidetest/qapp_like_a_macro_test.py b/sources/pyside2/tests/pysidetest/qapp_like_a_macro_test.py new file mode 100644 index 000000000..6205748ec --- /dev/null +++ b/sources/pyside2/tests/pysidetest/qapp_like_a_macro_test.py @@ -0,0 +1,76 @@ +############################################################################# +## +## Copyright (C) 2017 The Qt Company Ltd. +## Contact: https://www.qt.io/licensing/ +## +## This file is part of the test suite of PySide2. +## +## $QT_BEGIN_LICENSE:GPL-EXCEPT$ +## 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. +## +## $QT_END_LICENSE$ +## +############################################################################# + +import unittest +import PySide2 + +# This test tests the new "macro" feature of qApp. +# It also uses the qApp variable to finish the instance and start over. + +class qAppMacroTest(unittest.TestCase): + def test_qApp_is_like_a_macro_and_can_restart(self): + from PySide2 import QtCore + try: + from PySide2 import QtGui, QtWidgets + except ImportError: + QtWidgets = QtGui = QtCore + # qApp is in the builtins + qApp + # and also in certain PySide modules + QtCore.qApp, QtGui.qApp, QtWidgets.qApp + # and they are all the same + self.assertTrue(qApp is QtCore.qApp is QtGui.qApp is QtWidgets.qApp) + # and the type is NoneType, but it is not None (cannot work) + self.assertTrue(type(qApp) is type(None)) + self.assertTrue(qApp is not None) + # now we create an application for all cases + classes = (QtCore.QCoreApplication, + QtGui.QGuiApplication, + QtWidgets.QApplication) + for klass in classes: + print("created", klass([])) + del __builtins__.qApp + print("deleted qApp") + # creating without deletion raises: + QtCore.QCoreApplication([]) + with self.assertRaises(RuntimeError): + QtCore.QCoreApplication([]) + # assigning qApp is obeyed + QtCore.qApp = 42 + del __builtins__.qApp + self.assertEqual(QtCore.qApp, 42) + self.assertNotEqual(__builtins__, 42) + # delete it and it re-appears + del QtCore.qApp + QtCore.QCoreApplication([]) + self.assertEqual(QtCore.QCoreApplication.instance(), QtCore.qApp) + # and they are again all the same + self.assertTrue(qApp is QtCore.qApp is QtGui.qApp is QtWidgets.qApp) + +if __name__ == '__main__': + unittest.main() |