diff options
Diffstat (limited to 'sources/pyside2/tests/registry/signature_test.py')
-rw-r--r-- | sources/pyside2/tests/registry/signature_test.py | 170 |
1 files changed, 170 insertions, 0 deletions
diff --git a/sources/pyside2/tests/registry/signature_test.py b/sources/pyside2/tests/registry/signature_test.py new file mode 100644 index 000000000..949244dc3 --- /dev/null +++ b/sources/pyside2/tests/registry/signature_test.py @@ -0,0 +1,170 @@ +############################################################################# +## +## Copyright (C) 2017 The Qt Company Ltd. +## Contact: https://www.qt.io/licensing/ +## +## This file is part of PySide2. +## +## $QT_BEGIN_LICENSE:LGPL$ +## 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 Lesser General Public License Usage +## Alternatively, this file may be used under the terms of the GNU Lesser +## General Public License version 3 as published by the Free Software +## Foundation and appearing in the file LICENSE.LGPL3 included in the +## packaging of this file. Please review the following information to +## ensure the GNU Lesser General Public License version 3 requirements +## will be met: https://www.gnu.org/licenses/lgpl-3.0.html. +## +## GNU General Public License Usage +## Alternatively, this file may be used under the terms of the GNU +## General Public License version 2.0 or (at your option) the GNU General +## Public license version 3 or any later version approved by the KDE Free +## Qt Foundation. The licenses are as published by the Free Software +## Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3 +## 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-2.0.html and +## https://www.gnu.org/licenses/gpl-3.0.html. +## +## $QT_END_LICENSE$ +## +############################################################################# + +from __future__ import print_function, absolute_import + +import sys +import os +import unittest +from collections import OrderedDict +from pprint import pprint +from util import isolate_warnings, check_warnings +import PySide2 + +""" +This test shows that we have over 14500 signatures, +and that they all can be created. +""" + +all_modules = list("PySide2." + x for x in PySide2.__all__) + +from PySide2.support.signature import parser, inspect + +_do_print = (True if os.isatty(sys.stdout.fileno()) or "-v" in sys.argv + else False) + +def dprint(*args, **kw): + if _do_print: + print(*args, **kw) + +def enum_module(mod_name): + __import__(mod_name) + count = 0 + module = sys.modules[mod_name] + dprint() + dprint("Module", mod_name) + members = inspect.getmembers(module, inspect.isclass) + for class_name, klass in members: + signature = getattr(klass, '__signature__', None) + dprint() + # class_members = inspect.getmembers(klass) + # gives us also the inherited things. + dprint(" class {}:".format(class_name)) + if signature is None: + pass # initialization not called? + elif isinstance(signature, list): + dprint(" with overloading():") + for overload in signature: + dprint(" def __init__" + str(overload)) + else: + dprint(" def __init__" + str(signature)) + count += 1 + class_members = list(klass.__dict__.items()) + have_sig = signature is not None + have_members = 0 + for func_name, func in class_members: + signature = getattr(func, '__signature__', None) + if signature is not None: + if isinstance(signature, list): + dprint(" with overloading():") + for overload in signature: + dprint(" def", func_name + str(overload)) + else: + dprint(" def", func_name + str(signature)) + count += 1 + have_members = count + if not have_sig and not have_members: + # print at least "pass" + dprint(" pass") + return count + +def enum_all(): + result = OrderedDict() + total = 0 + for mod_name in all_modules: + result[mod_name] = enum_module(mod_name) + total += result[mod_name] + pprint(result if sys.version_info >= (3,) else list(result.items())) + print("Total", total) + return result + + +class PySideSignatureTest(unittest.TestCase): + def testAllSignaturesCanBuild(self): + with isolate_warnings(): + # This test touches all attributes + result = enum_all() + # We omit the number of functions test. + # That is replaced by existence_test.py . + for mod_name, count in result.items(): + pass + # If an attribute could not be computed, then we will have a warning + # in the warningregistry. + if check_warnings(): + raise RuntimeError("There are errors, see above.") + + def testSignatureExist(self): + t1 = type(PySide2.QtCore.QObject.children.__signature__) + self.assertEqual(t1, inspect.Signature) + t2 = type(PySide2.QtCore.QObject.__dict__["children"].__signature__) + self.assertEqual(t2, t1) + obj = PySide2.QtWidgets.QApplication.palette + t3 = type(obj.__signature__) + self.assertEqual(t3, list) + self.assertEqual(len(obj.__signature__), 3) + for thing in obj.__signature__: + self.assertEqual(type(thing), inspect.Signature) + sm = PySide2.QtWidgets.QApplication.__dict__["palette"] + self.assertFalse(callable(sm)) + self.assertEqual(sm.__func__, obj) + self.assertTrue(hasattr(sm, "__signature__") and + sm.__signature__ is not None) + + def testSignatureIsCached(self): + # see if we get the same object + ob1 = PySide2.QtCore.QObject.children.__signature__ + ob2 = PySide2.QtCore.QObject.children.__signature__ + self.assertTrue(ob1 is ob2) + # same with multi signature + ob1 = PySide2.QtWidgets.QApplication.palette.__signature__ + ob2 = PySide2.QtWidgets.QApplication.palette.__signature__ + self.assertTrue(ob1 is ob2) + + def testModuleIsInitialized(self): + assert PySide2.QtWidgets.QApplication.__signature__ is not None + + def test_NotCalled_is_callable_and_correct(self): + # A signature that has a default value with some "Default(...)" + # wrapper is callable and creates an object of the right type. + sig = PySide2.QtCore.QByteArray().toPercentEncoding.__signature__ + called_default = sig.parameters["exclude"].default() + self.assertEqual(type(called_default), PySide2.QtCore.QByteArray) + +if __name__ == "__main__": + unittest.main() |