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Diffstat (limited to 'sources/pyside2/tests/signals/pysignal_test.py')
| -rw-r--r-- | sources/pyside2/tests/signals/pysignal_test.py | 214 |
1 files changed, 214 insertions, 0 deletions
diff --git a/sources/pyside2/tests/signals/pysignal_test.py b/sources/pyside2/tests/signals/pysignal_test.py new file mode 100644 index 000000000..a42793b02 --- /dev/null +++ b/sources/pyside2/tests/signals/pysignal_test.py @@ -0,0 +1,214 @@ +############################################################################# +## +## Copyright (C) 2016 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 +from PySide2.QtCore import QObject, SIGNAL, SLOT, Qt + +try: + from PySide2.QtWidgets import QSpinBox, QApplication, QWidget + hasQtGui = True +except ImportError: + hasQtGui = False + +from helper import UsesQApplication + +class Dummy(QObject): + """Dummy class used in this test.""" + def __init__(self, parent=None): + QObject.__init__(self, parent) + + def callDummy(self): + self.emit(SIGNAL("dummy(PyObject)"), "PyObject") + + def callDummy2(self): + lst = [] + lst.append("item1") + lst.append("item2") + lst.append("item3") + self.emit(SIGNAL("dummy2(PyObject, PyObject)"), "PyObject0", lst) + + +class PyObjectType(UsesQApplication): + def mySlot(self, arg): + self.assertEqual(arg, "PyObject") + self.called = True + self.callCount += 1 + + def mySlot2(self, arg0, arg1): + self.assertEqual(arg0, "PyObject0") + self.assertEqual(arg1[0], "item1") + self.assertEqual(arg1[1], "item2") + self.assertEqual(arg1[2], "item3") + self.callCount += 1 + if self.running: + self.app.quit() + + def setUp(self): + super(PyObjectType, self).setUp() + self.callCount = 0 + self.running = False + + def testWithOneArg(self): + o = Dummy() + o.connect(SIGNAL("dummy(PyObject)"), self.mySlot) + o.callDummy() + self.assertEqual(self.callCount, 1) + + def testWithTwoArg(self): + o = Dummy() + o.connect(SIGNAL("dummy2(PyObject,PyObject)"), self.mySlot2) + o.callDummy2() + self.assertEqual(self.callCount, 1) + + def testAsyncSignal(self): + self.called = False + self.running = True + o = Dummy() + o.connect(SIGNAL("dummy2(PyObject,PyObject)"), self.mySlot2, Qt.QueuedConnection) + o.callDummy2() + self.app.exec_() + self.assertEqual(self.callCount, 1) + + def testTwice(self): + self.called = False + self.running = True + o = Dummy() + o.connect(SIGNAL("dummy2(PyObject,PyObject)"), self.mySlot2, Qt.QueuedConnection) + o.callDummy2() + o.callDummy2() + self.app.exec_() + self.assertEqual(self.callCount, 2) + +class PythonSigSlot(unittest.TestCase): + def setUp(self): + self.called = False + + def tearDown(self): + try: + del self.args + except: + pass + + def callback(self, *args): + if tuple(self.args) == args: + self.called = True + + def testNoArgs(self): + """Python signal and slots without arguments""" + obj1 = Dummy() + + QObject.connect(obj1, SIGNAL('foo()'), self.callback) + self.args = tuple() + obj1.emit(SIGNAL('foo()'), *self.args) + + self.assertTrue(self.called) + + def testWithArgs(self): + """Python signal and slots with integer arguments""" + obj1 = Dummy() + + QObject.connect(obj1, SIGNAL('foo(int)'), self.callback) + self.args = (42,) + obj1.emit(SIGNAL('foo(int)'), *self.args) + + self.assertTrue(self.called) + + + def testDisconnect(self): + obj1 = Dummy() + + QObject.connect(obj1, SIGNAL('foo(int)'), self.callback) + QObject.disconnect(obj1, SIGNAL('foo(int)'), self.callback) + + self.args = (42, ) + obj1.emit(SIGNAL('foo(int)'), *self.args) + + self.assertTrue(not self.called) + + +if hasQtGui: + class SpinBoxPySignal(UsesQApplication): + """Tests the connection of python signals to QSpinBox qt slots.""" + + def setUp(self): + super(SpinBoxPySignal, self).setUp() + self.obj = Dummy() + self.spin = QSpinBox() + self.spin.setValue(0) + + def tearDown(self): + super(SpinBoxPySignal, self).tearDown() + del self.obj + del self.spin + + def testValueChanged(self): + """Emission of a python signal to QSpinBox setValue(int)""" + QObject.connect(self.obj, SIGNAL('dummy(int)'), self.spin, SLOT('setValue(int)')) + self.assertEqual(self.spin.value(), 0) + + self.obj.emit(SIGNAL('dummy(int)'), 4) + self.assertEqual(self.spin.value(), 4) + + def testValueChangedMultiple(self): + """Multiple emissions of a python signal to QSpinBox setValue(int)""" + QObject.connect(self.obj, SIGNAL('dummy(int)'), self.spin, SLOT('setValue(int)')) + self.assertEqual(self.spin.value(), 0) + + self.obj.emit(SIGNAL('dummy(int)'), 4) + self.assertEqual(self.spin.value(), 4) + + self.obj.emit(SIGNAL('dummy(int)'), 77) + self.assertEqual(self.spin.value(), 77) + + +if hasQtGui: + class WidgetPySignal(UsesQApplication): + """Tests the connection of python signals to QWidget qt slots.""" + + def setUp(self): + super(WidgetPySignal, self).setUp() + self.obj = Dummy() + self.widget = QWidget() + + def tearDown(self): + super(WidgetPySignal, self).tearDown() + del self.obj + del self.widget + + def testShow(self): + """Emission of a python signal to QWidget slot show()""" + self.widget.hide() + + QObject.connect(self.obj, SIGNAL('dummy()'), self.widget, SLOT('show()')) + self.assertTrue(not self.widget.isVisible()) + + self.obj.emit(SIGNAL('dummy()')) + self.assertTrue(self.widget.isVisible()) + +if __name__ == '__main__': + unittest.main() |