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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!
""" Tests for the tabular editor tester. """
import unittest
from io import StringIO
from pyface.qt import QtGui, is_qt6
from pyface.api import Dialog, MessageDialog, OK, CANCEL
from traits.api import HasStrictTraits
from pyface.ui.qt.util.testing import silence_output
from pyface.ui.qt.util.gui_test_assistant import GuiTestAssistant
from pyface.ui.qt.util.modal_dialog_tester import ModalDialogTester
from pyface.util.testing import skip_if_no_traitsui
class MyClass(HasStrictTraits):
def default_traits_view(self):
from traitsui.api import CancelButton, OKButton, View
view = View(
buttons=[OKButton, CancelButton],
resizable=False,
title="My class dialog",
)
return view
def run(self):
ui = self.edit_traits(kind="livemodal")
if ui.result:
return "accepted"
else:
return "rejected"
def do_not_show_dialog(self):
return True
class TestModalDialogTester(GuiTestAssistant, unittest.TestCase):
""" Tests for the modal dialog tester. """
# Tests ----------------------------------------------------------------
def test_on_message_dialog(self):
dialog = MessageDialog()
tester = ModalDialogTester(dialog.open)
# accept
tester.open_and_run(when_opened=lambda x: x.close(accept=True))
self.assertTrue(tester.value_assigned())
self.assertEqual(tester.result, OK)
self.assertTrue(tester.dialog_was_opened)
# reject
tester.open_and_run(when_opened=lambda x: x.close())
self.assertTrue(tester.value_assigned())
self.assertEqual(tester.result, CANCEL)
self.assertTrue(tester.dialog_was_opened)
@skip_if_no_traitsui
def test_on_traitsui_dialog(self):
my_class = MyClass()
tester = ModalDialogTester(my_class.run)
# accept
tester.open_and_run(when_opened=lambda x: x.close(accept=True))
self.assertTrue(tester.value_assigned())
self.assertEqual(tester.result, "accepted")
self.assertTrue(tester.dialog_was_opened)
# reject
tester.open_and_run(when_opened=lambda x: x.close())
self.assertTrue(tester.value_assigned())
self.assertEqual(tester.result, "rejected")
self.assertTrue(tester.dialog_was_opened)
@skip_if_no_traitsui
def test_dialog_was_not_opened_on_traitsui_dialog(self):
my_class = MyClass()
tester = ModalDialogTester(my_class.do_not_show_dialog)
# it runs okay
tester.open_and_run(when_opened=lambda x: x.close(accept=True))
self.assertTrue(tester.value_assigned())
self.assertEqual(tester.result, True)
# but no dialog is opened
self.assertFalse(tester.dialog_was_opened)
@unittest.skipIf(is_qt6, "TEMPORARY: getting tests to run on pyside6")
def test_capture_errors_on_failure(self):
dialog = MessageDialog()
tester = ModalDialogTester(dialog.open)
def failure(tester):
try:
with tester.capture_error():
# this failure will appear in the console and get recorded
self.fail()
finally:
tester.close()
self.gui.process_events()
with self.assertRaises(AssertionError):
alt_stderr = StringIO
with silence_output(err=alt_stderr):
tester.open_and_run(when_opened=failure)
self.assertIn("raise self.failureException(msg)", alt_stderr)
@unittest.skipIf(is_qt6, "TEMPORARY: getting tests to run on pyside6")
def test_capture_errors_on_error(self):
dialog = MessageDialog()
tester = ModalDialogTester(dialog.open)
def raise_error(tester):
try:
with tester.capture_error():
# this error will appear in the console and get recorded
1 / 0
finally:
tester.close()
self.gui.process_events()
with self.assertRaises(ZeroDivisionError):
alt_stderr = StringIO
with silence_output(err=alt_stderr):
tester.open_and_run(when_opened=raise_error)
self.assertIn("ZeroDivisionError", alt_stderr)
@unittest.skip("has_widget code not working as designed. Issue #282.")
def test_has_widget(self):
dialog = Dialog()
tester = ModalDialogTester(dialog.open)
def check_and_close(tester):
try:
with tester.capture_error():
self.assertTrue(
tester.has_widget("OK", QtGui.QAbstractButton)
)
self.assertFalse(
tester.has_widget(text="I am a virtual button")
)
finally:
tester.close()
tester.open_and_run(when_opened=check_and_close)
@unittest.skip("has_widget code not working as designed. Issue #282.")
def test_find_widget(self):
dialog = Dialog()
tester = ModalDialogTester(dialog.open)
def check_and_close(tester):
try:
with tester.capture_error():
widget = tester.find_qt_widget(
type_=QtGui.QAbstractButton,
test=lambda x: x.text() == "OK",
)
self.assertIsInstance(widget, QtGui.QPushButton)
finally:
tester.close()
tester.open_and_run(when_opened=check_and_close)
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