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from __future__ import absolute_import
import unittest
from traits.testing.unittest_tools import UnittestTools
from ..toolkit import toolkit_object
from ..widget import Widget
GuiTestAssistant = toolkit_object('util.gui_test_assistant:GuiTestAssistant')
no_gui_test_assistant = (GuiTestAssistant.__name__ == 'Unimplemented')
class ConcreteWidget(Widget):
def _create_control(self, parent):
if toolkit_object.toolkit == 'wx':
import wx
control = wx.Window(parent)
control.Enable(self.enabled)
control.Show(self.visible)
elif toolkit_object.toolkit == 'qt4':
from pyface.qt import QtGui
control = QtGui.QWidget(parent)
control.setEnabled(self.enabled)
control.setVisible(self.visible)
else:
control = None
return control
class TestWidget(unittest.TestCase, UnittestTools):
def setUp(self):
self.widget = Widget()
def tearDown(self):
del self.widget
def test_defaults(self):
self.assertTrue(self.widget.enabled)
self.assertTrue(self.widget.visible)
def test_create(self):
# create is not Implemented
with self.assertRaises(NotImplementedError):
self.widget._create()
def test_destroy(self):
# test that destroy works even when no control
self.widget.destroy()
def test_show(self):
with self.assertTraitChanges(self.widget, 'visible', count=1):
self.widget.show(False)
self.assertFalse(self.widget.visible)
def test_visible(self):
with self.assertTraitChanges(self.widget, 'visible', count=1):
self.widget.visible = False
self.assertFalse(self.widget.visible)
def test_enable(self):
with self.assertTraitChanges(self.widget, 'enabled', count=1):
self.widget.enable(False)
self.assertFalse(self.widget.enabled)
def test_enabled(self):
with self.assertTraitChanges(self.widget, 'enabled', count=1):
self.widget.enabled = False
self.assertFalse(self.widget.enabled)
@unittest.skipIf(no_gui_test_assistant, 'No GuiTestAssistant')
class TestConcreteWidget(unittest.TestCase, GuiTestAssistant):
def setUp(self):
GuiTestAssistant.setUp(self)
self.widget = ConcreteWidget()
def tearDown(self):
if self.widget.control is not None:
with self.delete_widget(self.widget.control):
self.widget.destroy()
del self.widget
GuiTestAssistant.tearDown(self)
def test_lifecycle(self):
with self.event_loop():
self.widget._create()
with self.event_loop():
self.widget.destroy()
def test_initialize(self):
self.widget.visible = False
self.widget.enabled = False
with self.event_loop():
self.widget._create()
self.assertFalse(self.widget.control.isVisible())
self.assertFalse(self.widget.control.isEnabled())
def test_show(self):
with self.event_loop():
self.widget._create()
with self.assertTraitChanges(self.widget, 'visible', count=1):
with self.event_loop():
self.widget.show(False)
self.assertFalse(self.widget.control.isVisible())
def test_visible(self):
with self.event_loop():
self.widget._create()
with self.assertTraitChanges(self.widget, 'visible', count=1):
with self.event_loop():
self.widget.visible = False
self.assertFalse(self.widget.control.isVisible())
def test_enable(self):
with self.event_loop():
self.widget._create()
with self.assertTraitChanges(self.widget, 'enabled', count=1):
with self.event_loop():
self.widget.enable(False)
self.assertFalse(self.widget.control.isEnabled())
def test_enabled(self):
with self.event_loop():
self.widget._create()
with self.assertTraitChanges(self.widget, 'enabled', count=1):
with self.event_loop():
self.widget.enabled = False
self.assertFalse(self.widget.control.isEnabled())
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