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#############################################################################
##
## Copyright (C) 2017 The Qt Company Ltd.
## Contact: https://www.qt.io/licensing/
##
## This file is part of Qt for Python.
##
## $QT_BEGIN_LICENSE:LGPL$
## 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
have_sig = signature is not None
have_members = 0
class_members = sorted(list(klass.__dict__.items()))
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()),
stream=sys.stderr)
print("Total", total, file=sys.stderr)
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()
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