def test_schema_only_settings(self):
handler = SettingsHandler()
with self.override_default_settings(SimpleWidget):
handler.bind(SimpleWidget)
# fast_save should not update defaults
widget = SimpleWidget()
handler.fast_save(widget, 'schema_only_setting', 5)
self.assertEqual(handler.known_settings['schema_only_setting'].default,
None)
handler.fast_save(widget, 'component.schema_only_setting', 5)
self.assertEqual(
handler.known_settings['component.schema_only_setting'].default,
"only")
# update_defaults should not update defaults
widget.schema_only_setting = 5
handler.update_defaults(widget)
self.assertEqual(handler.known_settings['schema_only_setting'].default,
None)
widget.component.schema_only_setting = 5
self.assertEqual(
handler.known_settings['component.schema_only_setting'].default,
"only")
# pack_data should pack setting
widget.schema_only_setting = 5
widget.component.schema_only_setting = 5
data = handler.pack_data(widget)
self.assertEqual(data['schema_only_setting'], 5)
self.assertEqual(data['component']['schema_only_setting'], 5)
def test_pack_settings_stores_version(self):
handler = SettingsHandler()
handler.bind(SimpleWidget)
widget = SimpleWidget()
settings = handler.pack_data(widget)
self.assertIn(VERSION_KEY, settings)
def test_about_pack_settings_signal(self):
handler = SettingsHandler()
handler.bind(SimpleWidget)
widget = SimpleWidget()
handler.initialize(widget)
fn = Mock()
widget.settingsAboutToBePacked.connect(fn)
handler.pack_data(widget)
self.assertEqual(1, fn.call_count)
handler.update_defaults(widget)
self.assertEqual(2, fn.call_count)
def test_initialize_copies_mutables(self):
handler = SettingsHandler()
handler.bind(SimpleWidget)
handler.defaults = dict(list_setting=[])
widget = SimpleWidget()
handler.initialize(widget)
widget2 = SimpleWidget()
handler.initialize(widget2)
self.assertNotEqual(id(widget.list_setting), id(widget2.list_setting))
def test_fast_save(self):
handler = SettingsHandler()
with self.override_default_settings(SimpleWidget):
handler.bind(SimpleWidget)
widget = SimpleWidget()
handler.fast_save(widget, 'component.int_setting', 5)
self.assertEqual(
handler.known_settings['component.int_setting'].default, 5)
self.assertEqual(Component.int_setting.default, 42)
handler.fast_save(widget, 'non_setting', 4)
def test_initialize_migrates_settings(self):
handler = SettingsHandler()
with self.override_default_settings(SimpleWidget):
handler.bind(SimpleWidget)
widget = SimpleWidget()
migrate_settings = Mock()
with patch.object(SimpleWidget, "migrate_settings", migrate_settings):
# Old settings without version
settings = {"value": 5}
handler.initialize(widget, settings)
migrate_settings.assert_called_with(settings, 0)
migrate_settings.reset_mock()
# Settings with version
settings_with_version = dict(settings)
settings_with_version[VERSION_KEY] = 1
handler.initialize(widget, settings_with_version)
migrate_settings.assert_called_with(settings, 1)
def test_fast_save_siblings_spill(self):
handler_mk1 = SettingsHandler()
with override_default_settings(SimpleWidgetMk1):
handler_mk1.bind(SimpleWidgetMk1)
widget_mk1 = SimpleWidgetMk1()
handler_mk1.fast_save(widget_mk1, "setting", -1)
handler_mk1.fast_save(widget_mk1, "component.int_setting", 1)
self.assertEqual(
handler_mk1.known_settings['setting'].default, -1)
self.assertEqual(
handler_mk1.known_settings['component.int_setting'].default, 1)
handler_mk1.initialize(widget_mk1, data=None)
handler_mk1.provider.providers["component"].initialize(
widget_mk1.component, data=None)
self.assertEqual(widget_mk1.setting, -1)
self.assertEqual(widget_mk1.component.int_setting, 1)
handler_mk2 = SettingsHandler()
with override_default_settings(SimpleWidgetMk2):
handler_mk2.bind(SimpleWidgetMk2)
widget_mk2 = SimpleWidgetMk2()
handler_mk2.initialize(widget_mk2, data=None)
handler_mk2.provider.providers["component"].initialize(
widget_mk2.component, data=None)
self.assertEqual(widget_mk2.setting, 42,
"spils defaults into sibling classes")
self.assertEqual(Component.int_setting.default, 42)
self.assertEqual(widget_mk2.component.int_setting, 42,
"spils defaults into sibling classes")