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Diffstat (limited to 'sources/pyside6/tests/QtCore/qenum_test.py')
| -rw-r--r-- | sources/pyside6/tests/QtCore/qenum_test.py | 202 |
1 files changed, 202 insertions, 0 deletions
diff --git a/sources/pyside6/tests/QtCore/qenum_test.py b/sources/pyside6/tests/QtCore/qenum_test.py new file mode 100644 index 000000000..45a8e9124 --- /dev/null +++ b/sources/pyside6/tests/QtCore/qenum_test.py @@ -0,0 +1,202 @@ +#!/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 + +'''Test cases for QEnum and QFlags''' + +import gc +import os +import sys +import pickle +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 Qt, QIODevice, QObject, QEnum, QFlag + + +class TestEnum(unittest.TestCase): + def testOperations(self): + k = Qt.Key.Key_1 + + # Integers + self.assertEqual(k + 2, 2 + k) + self.assertEqual(k - 2, -(2 - k)) + self.assertEqual(k * 2, 2 * k) + + @unittest.skipUnless(getattr(sys, "getobjects", None), "requires --with-trace-refs") + @unittest.skipUnless(getattr(sys, "gettotalrefcount", None), "requires --with-pydebug") + def testEnumNew_NoLeak(self): + gc.collect() + total = sys.gettotalrefcount() + for idx in range(1000): + ret = Qt.Key(42) + + gc.collect() + delta = sys.gettotalrefcount() - total + print("delta total refcount =", delta) + if abs(delta) >= 10: + all = [(sys.getrefcount(x), x) for x in sys.getobjects(0)] + all.sort(key=lambda x: x[0], reverse=True) + for ob in all[:10]: + print(ob) + self.assertTrue(abs(delta) < 10) + + +class TestQFlags(unittest.TestCase): + + def testToItn(self): + om = QIODevice.NotOpen + omcmp = om.value + + self.assertEqual(om, QIODevice.NotOpen) + self.assertTrue(omcmp == 0) + + self.assertTrue(omcmp != QIODevice.ReadOnly) + self.assertTrue(omcmp != 1) + + def testToIntInFunction(self): + om = QIODevice.WriteOnly + self.assertEqual(int(om.value), 2) + + def testNonExtensibleEnums(self): + try: + om = QIODevice.OpenMode(QIODevice.WriteOnly) + self.assertFail() + except: + pass + + +# PYSIDE-15: Pickling of enums +class TestEnumPickling(unittest.TestCase): + def testPickleEnum(self): + + # Pickling of enums with different depth works. + ret = pickle.loads(pickle.dumps(QIODevice.Append)) + self.assertEqual(ret, QIODevice.Append) + + ret = pickle.loads(pickle.dumps(Qt.Key.Key_Asterisk)) + self.assertEqual(ret, Qt.Key.Key_Asterisk) + self.assertEqual(ret, Qt.Key(42)) + + # We can also pickle the whole enum class (built in): + ret = pickle.loads(pickle.dumps(QIODevice)) + + # This works also with nested classes for Python 3, after we + # introduced the correct __qualname__ attribute. + + # Note: For Python 2, we would need quite strange patches. + func = lambda: pickle.loads(pickle.dumps(Qt.Key)) + func() + +# PYSIDE-957: The QEnum macro + + +try: + import enum + HAVE_ENUM = True +except ImportError: + HAVE_ENUM = False + QEnum = QFlag = lambda x: x + import types + + class Enum: + pass + enum = types.ModuleType("enum") + enum.Enum = enum.Flag = enum.IntEnum = enum.IntFlag = Enum + Enum.__module__ = "enum" + Enum.__members__ = {} + del Enum + # PYSIDE-535: Need to collect garbage in PyPy to trigger deletion + gc.collect() + enum.auto = lambda: 42 + +HAVE_FLAG = hasattr(enum, "Flag") + + +@QEnum +class OuterEnum(enum.Enum): + A = 1 + B = 2 + + +class SomeClass(QObject): + + @QEnum + class SomeEnum(enum.Enum): + A = 1 + B = 2 + C = 3 + + @QEnum + class OtherEnum(enum.IntEnum): + A = 1 + B = 2 + C = 3 + + class InnerClass(QObject): + + @QEnum + class InnerEnum(enum.Enum): + X = 42 + + class SomeEnum(enum.Enum): + A = 4 + B = 5 + C = 6 + + QEnum(SomeEnum) # works even without the decorator assignment + + +class TestQEnumMacro(unittest.TestCase): + meta_name = "EnumType" if sys.version_info[:2] >= (3, 11) else "EnumMeta" + + def testTopLevel(self): + self.assertEqual(type(OuterEnum).__name__, self.meta_name) + self.assertEqual(len(OuterEnum.__members__), 2) + + def testSomeClass(self): + self.assertEqual(type(SomeClass.SomeEnum).__name__, self.meta_name) + self.assertEqual(len(SomeClass.SomeEnum.__members__), 3) + with self.assertRaises(TypeError): + int(SomeClass.SomeEnum.C) == 6 + self.assertEqual(SomeClass.OtherEnum.C, 3) + + @unittest.skipIf(sys.version_info[0] < 3, "we cannot support nested classes in Python 2") + def testInnerClass(self): + self.assertEqual(SomeClass.InnerClass.InnerEnum.__qualname__, + "SomeClass.InnerClass.InnerEnum") + with self.assertRaises(TypeError): + int(SomeClass.InnerClass.InnerEnum.X) == 42 + + @unittest.skipUnless(HAVE_FLAG, "some older Python versions have no 'Flag'") + def testEnumFlag(self): + with self.assertRaises(TypeError): + class WrongFlagForEnum(QObject): + @QEnum + class Bad(enum.Flag): + pass + with self.assertRaises(TypeError): + class WrongEnuForFlag(QObject): + @QFlag + class Bad(enum.Enum): + pass + + def testIsRegistered(self): + mo = SomeClass.staticMetaObject + self.assertEqual(mo.enumeratorCount(), 2) + self.assertEqual(mo.enumerator(0).name(), "OtherEnum") + self.assertEqual(mo.enumerator(0).scope(), "SomeClass") + self.assertEqual(mo.enumerator(1).name(), "SomeEnum") + moi = SomeClass.InnerClass.staticMetaObject + self.assertEqual(moi.enumerator(0).name(), "InnerEnum") + ## Question: Should that scope not better be "SomeClass.InnerClass"? + ## But we have __qualname__ already: + self.assertEqual(moi.enumerator(0).scope(), "InnerClass") + + +if __name__ == '__main__': + unittest.main() |