def test_read_defaults(self):
handler = SettingsHandler()
handler.widget_class = SimpleWidget
defaults = {'a': 5, 'b': {1: 5}}
with self.override_default_settings(SimpleWidget, defaults):
handler.read_defaults()
self.assertEqual(handler.defaults, defaults)
def test_read_defaults_ensures_no_schema_only(self):
handler = SettingsHandler()
handler.widget_class = SimpleWidget
handler.provider = SettingProvider(SimpleWidget)
def migrate_settings(settings, _):
settings["setting"] = 5
settings["schema_only_setting"] = True
with patch.object(SimpleWidget, "migrate_settings", migrate_settings), \
override_default_settings(SimpleWidget, {"value": 42}):
handler.read_defaults()
self.assertEqual(handler.defaults, {'value': 42, 'setting': 5})
def test_read_defaults_migrates_settings(self):
handler = SettingsHandler()
handler.widget_class = SimpleWidget
migrate_settings = Mock()
with patch.object(SimpleWidget, "migrate_settings", migrate_settings):
# Old settings without version
settings = {"value": 5}
with override_default_settings(SimpleWidget, settings):
handler.read_defaults()
migrate_settings.assert_called_with(settings, 0)
migrate_settings.reset()
# Settings with version
settings_with_version = dict(settings)
settings_with_version[VERSION_KEY] = 1
with override_default_settings(SimpleWidget, settings_with_version):
handler.read_defaults()
migrate_settings.assert_called_with(settings, 1)
