forked from openlp/openlp
169 lines
6.8 KiB
Python
169 lines
6.8 KiB
Python
# -*- coding: utf-8 -*-
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##########################################################################
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# OpenLP - Open Source Lyrics Projection #
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# ---------------------------------------------------------------------- #
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# Copyright (c) 2008-2022 OpenLP Developers #
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# ---------------------------------------------------------------------- #
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# This program is free software: you can redistribute it and/or modify #
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# it under the terms of the GNU General Public License as published by #
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# the Free Software Foundation, either version 3 of the License, or #
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# (at your option) any later version. #
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# #
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# This program is distributed in the hope that it will be useful, #
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# but WITHOUT ANY WARRANTY; without even the implied warranty of #
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the #
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# GNU General Public License for more details. #
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# #
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# You should have received a copy of the GNU General Public License #
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# along with this program. If not, see <https://www.gnu.org/licenses/>. #
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##########################################################################
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"""
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Package to test the openlp.core.ui.themeform package.
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"""
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from unittest.mock import MagicMock, patch
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from openlp.core.common.registry import Registry
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from openlp.core.ui.themeprogressform import ThemeProgressForm
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def _get_theme_progress_form():
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"""Common code used to create the ThemeProgressForm object"""
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with patch('openlp.core.ui.themeprogressdialog.ThemePreviewRenderer'), \
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patch('openlp.core.ui.themeprogressdialog.UiThemeProgressDialog.setup_ui'):
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form = ThemeProgressForm()
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return form
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def test_init(qapp):
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"""
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Test that the ThemeProgressForm is created without problems
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"""
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# GIVEN: ThemeProgressForm class
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# WHEN: An object is instatiated
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# THEN: There is no problem
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_get_theme_progress_form()
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@patch('openlp.core.ui.themeprogressform.ScreenList')
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@patch('openlp.core.ui.themeprogressform.QtWidgets.QDialog.show')
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def test_show(mocked_show, MockScreenList, settings):
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"""
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Test that the ThemeProgressForm is created without problems
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"""
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# GIVEN: ThemeProgressForm object
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form = _get_theme_progress_form()
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mocked_screen_list = MagicMock()
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mocked_screen_list.current.display_geometry.width.return_value = 1920
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mocked_screen_list.current.display_geometry.height.return_value = 1080
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MockScreenList.return_value = mocked_screen_list
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form.progress_bar = MagicMock()
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form.theme_preview_layout = MagicMock()
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# WHEN: The show() method is called
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form.show()
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# THEN: The correct display ratio is calculated and the form is shown
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expected_ratio = 16 / 9
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form.progress_bar.setValue.assert_called_once_with(0)
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assert form.ratio == expected_ratio
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assert form.theme_preview_layout.aspect_ratio == expected_ratio
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mocked_show.assert_called_once()
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@patch('openlp.core.ui.themeprogressform.ScreenList')
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@patch('openlp.core.ui.themeprogressform.QtWidgets.QDialog.show')
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def test_show_divide_by_zero(mocked_show, MockScreenList, settings):
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"""
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Test that the ThemeProgressForm is created without problems even if there's a divide by zero exception
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"""
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# GIVEN: ThemeProgressForm object
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form = _get_theme_progress_form()
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mocked_screen_list = MagicMock()
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mocked_screen_list.current.display_geometry.width.return_value = 1920
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mocked_screen_list.current.display_geometry.height.return_value = 0
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MockScreenList.return_value = mocked_screen_list
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form.progress_bar = MagicMock()
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form.theme_preview_layout = MagicMock()
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# WHEN: The show() method is called
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form.show()
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# THEN: The correct display ratio is calculated and the form is shown
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expected_ratio = 16 / 9
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form.progress_bar.setValue.assert_called_once_with(0)
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assert form.ratio == expected_ratio
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assert form.theme_preview_layout.aspect_ratio == expected_ratio
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mocked_show.assert_called_once()
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def test_get_preview(settings):
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"""
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Test that the get_preview() method returns a preview image
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"""
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# GIVEN: ThemeProgressForm object
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Registry.create()
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mocked_renderer = MagicMock()
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Registry().register('renderer', mocked_renderer)
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test_theme_name = 'Test Theme'
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test_theme_data = {'name': test_theme_name}
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form = _get_theme_progress_form()
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form.isVisible = MagicMock(return_value=True)
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form.progress_bar = MagicMock(**{'value.return_value': 0})
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form.label = MagicMock()
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form.theme_display = MagicMock(**{'width.return_value': 192, 'generate_preview.return_value': 'preview'})
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form.renderer.width = MagicMock(return_value=1920)
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# WHEN: get_preview() is called
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preview = form.get_preview(test_theme_name, test_theme_data)
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# THEN: All the correct methods should be called and the correct results should be returned
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form.label.setText.assert_called_once_with(test_theme_name)
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form.progress_bar.value.assert_called_once()
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form.progress_bar.setValue.assert_called_once_with(1)
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form.theme_display.width.assert_called_once()
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form.renderer.width.assert_called_once()
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form.theme_display.set_scale.assert_called_once_with(0.1)
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form.theme_display.generate_preview.assert_called_once_with(test_theme_data, generate_screenshot=True)
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assert preview == 'preview'
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def test_get_preview_not_visible(settings):
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"""
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Test that the get_preview() method does not return a preview image when display is not visible
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"""
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# GIVEN: ThemeProgressForm object
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Registry.create()
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mocked_renderer = MagicMock()
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Registry().register('renderer', mocked_renderer)
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test_theme_name = 'Test Theme'
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test_theme_data = {'name': test_theme_name}
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form = _get_theme_progress_form()
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form.isVisible = MagicMock(return_value=False)
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form.progress_bar = MagicMock(**{'value.return_value': 0})
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form.label = MagicMock()
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form.theme_display = MagicMock(**{'width.return_value': 192, 'generate_preview.return_value': 'preview'})
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form.renderer.width = MagicMock(return_value=1920)
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# WHEN: get_preview() is called
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preview = form.get_preview(test_theme_name, test_theme_data)
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# THEN: Result should be None
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assert preview is None
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def test_theme_list(qapp):
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# GIVEN: ThemeProgressForm object and theme list
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test_theme_list = ['Theme 1', 'Theme 2']
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form = _get_theme_progress_form()
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form.progress_bar = MagicMock()
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# WHEN: theme_list is set and get'ed
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form.theme_list = test_theme_list
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theme_list = form.theme_list
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# THEN: The theme list should be correct
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form.progress_bar.setMinimum.assert_called_once_with(0)
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form.progress_bar.setMaximum.assert_called_once_with(2)
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assert theme_list == test_theme_list
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