forked from openlp/openlp
105 lines
5.0 KiB
Python
105 lines
5.0 KiB
Python
# -*- coding: utf-8 -*-
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# vim: autoindent shiftwidth=4 expandtab textwidth=120 tabstop=4 softtabstop=4
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###############################################################################
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# OpenLP - Open Source Lyrics Projection #
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# --------------------------------------------------------------------------- #
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# Copyright (c) 2008-2016 OpenLP Developers #
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# --------------------------------------------------------------------------- #
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# This program is free software; you can redistribute it and/or modify it #
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# under the terms of the GNU General Public License as published by the Free #
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# Software Foundation; version 2 of the License. #
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# #
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# This program is distributed in the hope that it will be useful, but WITHOUT #
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# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or #
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# FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for #
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# more details. #
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# #
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# You should have received a copy of the GNU General Public License along #
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# with this program; if not, write to the Free Software Foundation, Inc., 59 #
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# Temple Place, Suite 330, Boston, MA 02111-1307 USA #
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###############################################################################
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"""
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This module contains tests for the openlp.core.lib.listwidgetwithdnd module
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"""
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from unittest import TestCase
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from openlp.core.common.uistrings import UiStrings
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from openlp.core.ui.lib.listwidgetwithdnd import ListWidgetWithDnD
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from unittest.mock import MagicMock, patch
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class TestListWidgetWithDnD(TestCase):
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"""
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Test the :class:`~openlp.core.lib.listwidgetwithdnd.ListWidgetWithDnD` class
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"""
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def test_clear(self):
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"""
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Test the clear method when called without any arguments.
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"""
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# GIVEN: An instance of ListWidgetWithDnD
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widget = ListWidgetWithDnD()
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# WHEN: Calling clear with out any arguments
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widget.clear()
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# THEN: The results text should be the standard 'no results' text.
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self.assertEqual(widget.no_results_text, UiStrings().NoResults)
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def test_clear_search_while_typing(self):
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"""
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Test the clear method when called with the search_while_typing argument set to True
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"""
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# GIVEN: An instance of ListWidgetWithDnD
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widget = ListWidgetWithDnD()
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# WHEN: Calling clear with search_while_typing set to True
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widget.clear(search_while_typing=True)
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# THEN: The results text should be the 'short results' text.
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self.assertEqual(widget.no_results_text, UiStrings().ShortResults)
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def test_paint_event(self):
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"""
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Test the paintEvent method when the list is not empty
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"""
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# GIVEN: An instance of ListWidgetWithDnD with a mocked out count methode which returns 1
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# (i.e the list has an item)
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widget = ListWidgetWithDnD()
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with patch('openlp.core.ui.lib.listwidgetwithdnd.QtWidgets.QListWidget.paintEvent') as mocked_paint_event, \
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patch.object(widget, 'count', return_value=1), \
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patch.object(widget, 'viewport') as mocked_viewport:
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mocked_event = MagicMock()
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# WHEN: Calling paintEvent
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widget.paintEvent(mocked_event)
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# THEN: The overridden paintEvnet should have been called
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mocked_paint_event.assert_called_once_with(mocked_event)
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self.assertFalse(mocked_viewport.called)
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def test_paint_event_no_items(self):
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"""
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Test the paintEvent method when the list is empty
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"""
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# GIVEN: An instance of ListWidgetWithDnD with a mocked out count methode which returns 0
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# (i.e the list is empty)
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widget = ListWidgetWithDnD()
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mocked_painter_instance = MagicMock()
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mocked_qrect = MagicMock()
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with patch('openlp.core.ui.lib.listwidgetwithdnd.QtWidgets.QListWidget.paintEvent') as mocked_paint_event, \
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patch.object(widget, 'count', return_value=0), \
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patch.object(widget, 'viewport'), \
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patch('openlp.core.ui.lib.listwidgetwithdnd.QtGui.QPainter',
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return_value=mocked_painter_instance) as mocked_qpainter, \
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patch('openlp.core.ui.lib.listwidgetwithdnd.QtCore.QRect', return_value=mocked_qrect):
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mocked_event = MagicMock()
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# WHEN: Calling paintEvent
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widget.paintEvent(mocked_event)
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# THEN: The overridden paintEvnet should have been called, and some text should be drawn.
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mocked_paint_event.assert_called_once_with(mocked_event)
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mocked_qpainter.assert_called_once_with(widget.viewport())
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mocked_painter_instance.drawText.assert_called_once_with(mocked_qrect, 4100, 'No Search Results')
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