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openlp/tests/openlp_core/lib/test_ui.py
Tim Bentley 9039fe04f8 Test Migration and Cleanup - 1
2021-04-24 16:55:38 +00:00

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# -*- coding: utf-8 -*-
##########################################################################
# OpenLP - Open Source Lyrics Projection #
# ---------------------------------------------------------------------- #
# Copyright (c) 2008-2021 OpenLP Developers #
# ---------------------------------------------------------------------- #
# This program is free software: you can redistribute it and/or modify #
# it under the terms of the GNU General Public License as published by #
# the Free Software Foundation, either version 3 of the License, or #
# (at your option) any later version. #
# #
# This program is distributed in the hope that it will be useful, #
# but WITHOUT ANY WARRANTY; without even the implied warranty of #
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the #
# GNU General Public License for more details. #
# #
# You should have received a copy of the GNU General Public License #
# along with this program. If not, see <https://www.gnu.org/licenses/>. #
##########################################################################
"""
Package to test the openlp.core.lib.ui package.
"""
from unittest.mock import MagicMock, call, patch
from PyQt5 import QtCore, QtGui, QtWidgets
from openlp.core.common.i18n import UiStrings, translate
from openlp.core.lib.ui import add_welcome_page, create_action, create_button, create_button_box, \
create_horizontal_adjusting_combo_box, create_valign_selection_widgets, create_widget_action, \
critical_error_message_box, find_and_set_in_combo_box, set_case_insensitive_completer
def test_add_welcome_page():
"""
Test appending a welcome page to a wizard
"""
# GIVEN: A wizard
wizard = QtWidgets.QWizard()
# WHEN: A welcome page has been added to the wizard
add_welcome_page(wizard, ':/wizards/wizard_firsttime.bmp')
# THEN: The wizard should have one page with a pixmap.
assert 1 == len(wizard.pageIds()), 'The wizard should have one page.'
assert isinstance(wizard.page(0).pixmap(QtWidgets.QWizard.WatermarkPixmap), QtGui.QPixmap)
def test_create_button_box():
"""
Test creating a button box for a dialog
"""
# GIVEN: A dialog
dialog = QtWidgets.QDialog()
# WHEN: We create the button box with five buttons
btnbox = create_button_box(dialog, 'my_btns', ['ok', 'save', 'cancel', 'close', 'defaults'])
# THEN: We should get a QDialogButtonBox with five buttons
assert isinstance(btnbox, QtWidgets.QDialogButtonBox)
assert 5 == len(btnbox.buttons())
# WHEN: We create the button box with a custom button
btnbox = create_button_box(dialog, 'my_btns', None, [QtWidgets.QPushButton('Custom')])
# THEN: We should get a QDialogButtonBox with one button
assert isinstance(btnbox, QtWidgets.QDialogButtonBox)
assert 1 == len(btnbox.buttons())
# WHEN: We create the button box with a custom button and a custom role
btnbox = create_button_box(dialog, 'my_btns', None,
[(QtWidgets.QPushButton('Help'), QtWidgets.QDialogButtonBox.HelpRole)])
# THEN: We should get a QDialogButtonBox with one button with a certain role
assert isinstance(btnbox, QtWidgets.QDialogButtonBox)
assert 1 == len(btnbox.buttons())
assert QtWidgets.QDialogButtonBox.HelpRole, btnbox.buttonRole(btnbox.buttons()[0])
@patch('openlp.core.lib.ui.Registry')
def test_critical_error_message_box(MockRegistry):
"""
Test the critical_error_message_box() function
"""
# GIVEN: A mocked Registry
# WHEN: critical_error_message_box() is called
critical_error_message_box('Error', 'This is an error')
# THEN: The error_message() method on the main window should be called
MockRegistry.return_value.get.return_value.error_message.assert_called_once_with('Error', 'This is an error')
@patch('openlp.core.lib.ui.Registry')
@patch('openlp.core.lib.ui.QtWidgets.QMessageBox.critical')
def test_critical_error_message_box_without_mainwindow(mocked_critical, MockRegistry):
"""
Test the critical_error_message_box() function
"""
# GIVEN: A mocked Registry with no MainWindow
MockRegistry.return_value.get.return_value = None
# WHEN: critical_error_message_box() is called
critical_error_message_box('Error', 'This is an error')
# THEN: The error_message() method on the main window should be called
mocked_critical.assert_called_once_with(None, 'Error', 'This is an error')
@patch('openlp.core.lib.ui.QtWidgets.QMessageBox.critical')
def test_critical_error_question(mocked_critical):
"""
Test the critical_error_message_box() function
"""
# GIVEN: A mocked critical() method and some other mocks
mocked_parent = MagicMock()
# WHEN: critical_error_message_box() is called
critical_error_message_box(None, 'This is a question', mocked_parent, True)
# THEN: The error_message() method on the main window should be called
mocked_critical.assert_called_once_with(mocked_parent, 'Error', 'This is a question',
QtWidgets.QMessageBox.StandardButtons(QtWidgets.QMessageBox.Yes |
QtWidgets.QMessageBox.No))
def test_create_horizontal_adjusting_combo_box():
"""
Test creating a horizontal adjusting combo box
"""
# GIVEN: A dialog
dialog = QtWidgets.QDialog()
# WHEN: We create the combobox
combo = create_horizontal_adjusting_combo_box(dialog, 'combo1')
# THEN: We should get a ComboBox
assert isinstance(combo, QtWidgets.QComboBox)
assert combo.objectName() == 'combo1'
assert QtWidgets.QComboBox.AdjustToMinimumContentsLength == combo.sizeAdjustPolicy()
@patch('openlp.core.lib.ui.log')
def test_create_button(mocked_log):
"""
Test creating a button
"""
# GIVEN: A dialog
dialog = QtWidgets.QDialog()
# WHEN: We create a button with some attributes
btn = create_button(dialog, 'my_btn', text='Hello', tooltip='How are you?', enabled=False, role='test', test=1)
# THEN: We should get a button with those attributes
assert isinstance(btn, QtWidgets.QPushButton)
assert btn.objectName() == 'my_btn'
assert btn.text() == 'Hello'
assert btn.toolTip() == 'How are you?'
assert btn.isEnabled() is False
assert mocked_log.warning.call_args_list == [call('The role "test" is not defined in create_push_button().'),
call('Parameter test was not consumed in create_button().')]
def test_create_tool_button():
"""
Test creating a toolbutton
"""
# GIVEN: A dialog
dialog = QtWidgets.QDialog()
# WHEN: We create a toolbutton
btn = create_button(dialog, 'my_btn', btn_class='toolbutton')
# THEN: We should get a toolbutton
assert isinstance(btn, QtWidgets.QToolButton)
assert btn.objectName() == 'my_btn'
assert btn.isEnabled() is True
@patch('openlp.core.lib.ui.log')
def test_create_action(mocked_log):
"""
Test creating an action
"""
# GIVEN: A dialog
dialog = QtWidgets.QDialog()
# WHEN: We create an action with some properties
action = create_action(dialog, 'my_action', text='my text', icon=':/wizards/wizard_firsttime.bmp',
tooltip='my tooltip', statustip='my statustip', test=1)
# THEN: These properties should be set
assert isinstance(action, QtWidgets.QAction)
assert action.objectName() == 'my_action'
assert action.text() == 'my text'
assert isinstance(action.icon(), QtGui.QIcon)
assert action.toolTip() == 'my tooltip'
assert action.statusTip() == 'my statustip'
mocked_log.warning.assert_called_once_with('Parameter test was not consumed in create_action().')
def test_create_action_on_mac_osx():
"""
Test creating an action on OS X calls the correct method
"""
# GIVEN: A dialog and a mocked out is_macosx() method to always return True
with patch('openlp.core.lib.ui.is_macosx') as mocked_is_macosx, \
patch('openlp.core.lib.ui.QtWidgets.QAction') as MockedQAction:
mocked_is_macosx.return_value = True
mocked_action = MagicMock()
MockedQAction.return_value = mocked_action
dialog = QtWidgets.QDialog()
# WHEN: An action is created
create_action(dialog, 'my_action')
# THEN: setIconVisibleInMenu should be called
mocked_action.setIconVisibleInMenu.assert_called_with(False)
def test_create_action_not_on_mac_osx():
"""
Test creating an action on something other than OS X doesn't call the method
"""
# GIVEN: A dialog and a mocked out is_macosx() method to always return True
with patch('openlp.core.lib.ui.is_macosx') as mocked_is_macosx, \
patch('openlp.core.lib.ui.QtWidgets.QAction') as MockedQAction:
mocked_is_macosx.return_value = False
mocked_action = MagicMock()
MockedQAction.return_value = mocked_action
dialog = QtWidgets.QDialog()
# WHEN: An action is created
create_action(dialog, 'my_action')
# THEN: setIconVisibleInMenu should not be called
assert 0 == mocked_action.setIconVisibleInMenu.call_count, \
'setIconVisibleInMenu should not have been called'
def test_create_checked_disabled_invisible_action():
"""
Test that an invisible, disabled, checked action is created correctly
"""
# GIVEN: A dialog
dialog = QtWidgets.QDialog()
# WHEN: We create an action with some properties
action = create_action(dialog, 'my_action', checked=True, enabled=False, visible=False)
# THEN: These properties should be set
assert action.isChecked() is True, 'The action should be checked'
assert action.isEnabled() is False, 'The action should be disabled'
assert action.isVisible() is False, 'The action should be invisble'
def test_create_action_separator():
"""
Test creating an action as separator
"""
# GIVEN: A dialog
dialog = QtWidgets.QDialog()
# WHEN: We create an action as a separator
action = create_action(dialog, 'my_action', separator=True)
# THEN: The action should be a separator
assert action.isSeparator() is True, 'The action should be a separator'
def test_create_valign_selection_widgets():
"""
Test creating a combo box for valign selection
"""
# GIVEN: A dialog
dialog = QtWidgets.QDialog()
# WHEN: We create the widgets
label, combo = create_valign_selection_widgets(dialog)
# THEN: We should get a label and a combobox.
assert translate('OpenLP.Ui', '&Vertical Align:') == label.text()
assert isinstance(combo, QtWidgets.QComboBox)
assert combo == label.buddy()
for text in [UiStrings().Top, UiStrings().Middle, UiStrings().Bottom]:
assert combo.findText(text) >= 0
def test_find_and_set_in_combo_box():
"""
Test finding a string in a combo box and setting it as the selected item if present
"""
# GIVEN: A ComboBox
combo = QtWidgets.QComboBox()
combo.addItems(['One', 'Two', 'Three'])
combo.setCurrentIndex(1)
# WHEN: We call the method with a non-existing value and set_missing=False
find_and_set_in_combo_box(combo, 'Four', set_missing=False)
# THEN: The index should not have changed
assert 1 == combo.currentIndex()
# WHEN: We call the method with a non-existing value
find_and_set_in_combo_box(combo, 'Four')
# THEN: The index should have been reset
assert 0 == combo.currentIndex()
# WHEN: We call the method with the default behavior
find_and_set_in_combo_box(combo, 'Three')
# THEN: The index should have changed
assert 2 == combo.currentIndex()
def test_create_widget_action():
"""
Test creating an action for a widget
"""
# GIVEN: A button
button = QtWidgets.QPushButton()
# WHEN: We call the function
action = create_widget_action(button, 'some action')
# THEN: The action should be returned
assert isinstance(action, QtWidgets.QAction)
assert action.objectName() == 'some action'
def test_set_case_insensitive_completer():
"""
Test setting a case insensitive completer on a widget
"""
# GIVEN: A QComboBox and a list of completion items
line_edit = QtWidgets.QLineEdit()
suggestions = ['one', 'Two', 'THRee', 'FOUR']
# WHEN: We call the function
set_case_insensitive_completer(suggestions, line_edit)
# THEN: The Combobox should have a completer which is case insensitive
completer = line_edit.completer()
assert isinstance(completer, QtWidgets.QCompleter)
assert completer.caseSensitivity() == QtCore.Qt.CaseInsensitive
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