forked from openlp/openlp
89 lines
3.4 KiB
Python
89 lines
3.4 KiB
Python
"""
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Package to test the openlp.core.ui.listpreviewwidget.
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"""
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from unittest import TestCase
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from PyQt4 import QtGui, QtCore
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from openlp.core.common import Registry
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from openlp.core.lib import ServiceItem
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from openlp.core.ui import listpreviewwidget
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from tests.interfaces import MagicMock, patch
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from tests.utils.osdinteraction import read_service_from_file
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class TestListPreviewWidget(TestCase):
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def setUp(self):
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"""
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Create the UI.
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"""
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Registry.create()
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old_app_instance = QtCore.QCoreApplication.instance()
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if old_app_instance is None:
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self.app = QtGui.QApplication([])
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else:
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self.app = old_app_instance
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self.main_window = QtGui.QMainWindow()
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self.image = QtGui.QImage(1, 1, QtGui.QImage.Format_RGB32)
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self.image_manager = MagicMock()
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self.image_manager.get_image.return_value = self.image
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Registry().register('image_manager', self.image_manager)
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self.preview_widget = listpreviewwidget.ListPreviewWidget(self.main_window, 2)
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def tearDown(self):
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"""
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Delete all the C++ objects at the end so that we don't have a segfault.
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"""
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del self.preview_widget
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del self.main_window
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def initial_slide_count_test(self):
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"""
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Test the initial slide count .
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"""
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# GIVEN: A new ListPreviewWidget instance.
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# WHEN: No SlideItem has been added yet.
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# THEN: The count of items should be zero.
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self.assertEqual(self.preview_widget.slide_count(), 0, 'The slide list should be empty.')
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def initial_slide_number_test(self):
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"""
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Test the initial current slide number.
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"""
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# GIVEN: A new ListPreviewWidget instance.
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# WHEN: No SlideItem has been added yet.
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# THEN: The number of the current item should be -1.
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self.assertEqual(self.preview_widget.current_slide_number(), -1, 'The slide number should be -1.')
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def replace_service_item_test(self):
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"""
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Test item counts and current number with a service item.
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"""
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# GIVEN: A ServiceItem with two frames.
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service_item = ServiceItem(None)
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service = read_service_from_file('serviceitem_image_3.osj')
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with patch('os.path.exists'):
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service_item.set_from_service(service[0])
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# WHEN: Added to the preview widget.
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self.preview_widget.replace_service_item(service_item, 1, 1)
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# THEN: The slide count and number should fit.
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self.assertEqual(self.preview_widget.slide_count(), 2, 'The slide count should be 2.')
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self.assertEqual(self.preview_widget.current_slide_number(), 1, 'The current slide number should be 1.')
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def change_slide_test(self):
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"""
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Test the change_slide method.
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"""
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# GIVEN: A ServiceItem with two frames content.
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service_item = ServiceItem(None)
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service = read_service_from_file('serviceitem_image_3.osj')
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with patch('os.path.exists'):
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service_item.set_from_service(service[0])
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# WHEN: Added to the preview widget and switched to the second frame.
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self.preview_widget.replace_service_item(service_item, 1, 0)
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self.preview_widget.change_slide(1)
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# THEN: The current_slide_number should reflect the change.
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self.assertEqual(self.preview_widget.current_slide_number(), 1, 'The current slide number should be 1.')
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