def test_autoscroll_dist_bounds(self, mocked_slide_count, mocked_item,
mocked_scrollToItem, mocked_selectRow):
"""
Test if 'advanced/autoscrolling' setting asks to scroll beyond list bounds, that it does not beyond.
"""
# GIVEN: A setting for autoscrolling and a ListPreviewWidget.
# Mock Settings().value('advanced/autoscrolling')
self.mocked_Settings_obj.value.return_value = {'dist': -1, 'pos': 1}
# Mocked returns
mocked_slide_count.return_value = 1
mocked_item.return_value = None
# init ListPreviewWidget and load service item
list_preview_widget = ListPreviewWidget(None, 1)
# WHEN: change_slide() is called
list_preview_widget.change_slide(0)
self.mocked_Settings_obj.value.return_value = {'dist': 1, 'pos': 1}
list_preview_widget.change_slide(0)
# THEN: no further functions should be called
assert mocked_slide_count.call_count == 3, 'Should be called'
assert mocked_scrollToItem.call_count == 2, 'Should be called'
assert mocked_selectRow.call_count == 2, 'Should be called'
assert mocked_item.call_count == 2, 'Should be called'
calls = [call(0, 0), call(0, 0)]
mocked_item.assert_has_calls(calls)
class TestListPreviewWidget(TestCase, TestMixin):
def setUp(self):
"""
Create the UI.
"""
Registry.create()
self.setup_application()
State().load_settings()
State().add_service("media", 0)
State().update_pre_conditions("media", True)
State().flush_preconditions()
self.main_window = QtWidgets.QMainWindow()
self.image = QtGui.QImage(1, 1, QtGui.QImage.Format_RGB32)
self.image_manager = MagicMock()
self.image_manager.get_image.return_value = self.image
Registry().register('image_manager', self.image_manager)
self.preview_widget = ListPreviewWidget(self.main_window, 2)
Registry().register('settings', Settings())
def tearDown(self):
"""
Delete all the C++ objects at the end so that we don't have a segfault.
"""
del self.preview_widget
del self.main_window
def test_initial_slide_count(self):
"""
Test the initial slide count .
"""
# GIVEN: A new ListPreviewWidget instance.
# WHEN: No SlideItem has been added yet.
# THEN: The count of items should be zero.
assert self.preview_widget.slide_count(
) == 0, 'The slide list should be empty.'
def test_initial_slide_number(self):
"""
Test the initial current slide number.
"""
# GIVEN: A new ListPreviewWidget instance.
# WHEN: No SlideItem has been added yet.
# THEN: The number of the current item should be -1.
assert self.preview_widget.current_slide_number(
) == -1, 'The slide number should be -1.'
def test_replace_service_item(self):
"""
Test item counts and current number with a service item.
"""
# GIVEN: A ServiceItem with two frames.
service_item = ServiceItem(None)
service = read_service_from_file('serviceitem_image_3.osj')
with patch('os.path.exists'):
service_item.set_from_service(service[0])
# WHEN: Added to the preview widget.
self.preview_widget.replace_service_item(service_item, 1, 1)
# THEN: The slide count and number should fit.
assert self.preview_widget.slide_count(
) == 2, 'The slide count should be 2.'
assert self.preview_widget.current_slide_number(
) == 1, 'The current slide number should be 1.'
def test_change_slide(self):
"""
Test the change_slide method.
"""
# GIVEN: A ServiceItem with two frames content.
service_item = ServiceItem(None)
service = read_service_from_file('serviceitem_image_3.osj')
with patch('os.path.exists'):
service_item.set_from_service(service[0])
# WHEN: Added to the preview widget and switched to the second frame.
self.preview_widget.replace_service_item(service_item, 1, 0)
self.preview_widget.change_slide(1)
# THEN: The current_slide_number should reflect the change.
assert self.preview_widget.current_slide_number(
) == 1, 'The current slide number should be 1.'
def test_autoscroll_setting_invalid(self, mocked_slide_count, mocked_item,
mocked_scrollToItem, mocked_selectRow):
"""
Test if 'advanced/autoscrolling' setting None or invalid, that no autoscrolling occurs on change_slide().
"""
# GIVEN: A setting for autoscrolling and a ListPreviewWidget.
# Mock Settings().value('advanced/autoscrolling')
self.mocked_Settings_obj.value.return_value = None
# Mocked returns
mocked_slide_count.return_value = 1
mocked_item.return_value = None
# init ListPreviewWidget and load service item
list_preview_widget = ListPreviewWidget(None, 1)
# WHEN: change_slide() is called
list_preview_widget.change_slide(0)
self.mocked_Settings_obj.value.return_value = 1
list_preview_widget.change_slide(0)
self.mocked_Settings_obj.value.return_value = {'fail': 1}
list_preview_widget.change_slide(0)
self.mocked_Settings_obj.value.return_value = {'dist': 1, 'fail': 1}
list_preview_widget.change_slide(0)
self.mocked_Settings_obj.value.return_value = {
'dist': 'fail',
'pos': 1
}
list_preview_widget.change_slide(0)
self.mocked_Settings_obj.value.return_value = {
'dist': 1,
'pos': 'fail'
}
list_preview_widget.change_slide(0)
# THEN: no further functions should be called
assert mocked_slide_count.call_count == 0, 'Should not be called'
assert mocked_scrollToItem.call_count == 0, 'Should not be called'
assert mocked_selectRow.call_count == 0, 'Should not be called'
assert mocked_item.call_count == 0, 'Should not be called'