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# (C) Copyright 2005-2023 Enthought, Inc., Austin, TX
# All rights reserved.
#
# This software is provided without warranty under the terms of the BSD
# license included in LICENSE.txt and may be redistributed only under
# the conditions described in the aforementioned license. The license
# is also available online at http://www.enthought.com/licenses/BSD.txt
#
# Thanks for using Enthought open source!
from unittest.mock import patch
from traits.testing.api import UnittestTools
from pyface.action.api import Action, MenuManager
from pyface.gui import GUI
from pyface.window import Window
class WidgetMixin(UnittestTools):
""" Mixin which provides standard methods for all widgets. """
def setUp(self):
self.gui = GUI()
self.parent = self._create_parent()
self.parent.create()
self.addCleanup(self._destroy_parent)
self.gui.process_events()
self.widget = self._create_widget()
self.parent.open()
self.gui.process_events()
def _create_parent(self):
return Window()
def _create_widget(self):
return self._create_widget_simple(parent=self.parent.control)
def _create_widget_simple(self, **traits):
raise NotImplementedError()
def _create_widget_control(self):
self.widget.create()
self.addCleanup(self._destroy_widget)
self.widget.show(True)
self.gui.process_events()
def _destroy_parent(self):
self.parent.destroy()
self.gui.process_events()
self.parent = None
def _destroy_widget(self):
self.widget.destroy()
self.gui.process_events()
self.widget = None
def test_lazy_parent_create(self):
self.widget = self._create_widget_simple()
self.widget.create(parent=self.parent.control)
try:
self.assertIsNotNone(self.widget.control)
self.widget.show(True)
self.gui.process_events()
finally:
self.widget.destroy()
def test_widget_tooltip(self):
self._create_widget_control()
self.widget.tooltip = "New tooltip."
self.gui.process_events()
self.assertEqual(self.widget._get_control_tooltip(), "New tooltip.")
def test_widget_tooltip_cleanup(self):
widget = self._create_widget()
with patch.object(widget, '_tooltip_updated', return_value=None) as updated:
widget.create()
try:
widget.show(True)
self.gui.process_events()
finally:
widget.destroy()
self.gui.process_events()
widget.tooltip = "New tooltip."
updated.assert_not_called()
widget = None
def test_widget_menu(self):
self._create_widget_control()
self.widget.context_menu = MenuManager(Action(name="Test"), name="Test")
self.gui.process_events()
def test_widget_context_menu_cleanup(self):
widget = self._create_widget()
with patch.object(widget, '_context_menu_updated', return_value=None) as updated:
widget.create()
try:
widget.show(True)
self.gui.process_events()
finally:
widget.destroy()
self.gui.process_events()
widget.context_menu = MenuManager(Action(name="Test"), name="Test")
updated.assert_not_called()
widget = None
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