def test_write_defaults_handles_permission_error(self):
handler = SettingsHandler()
with named_file("") as f:
handler._get_settings_filename = lambda: f
with patch("orangewidget.settings.log.error") as log, \
patch('orangewidget.settings.open', create=True,
side_effect=PermissionError):
handler.write_defaults()
log.assert_called()
def test_write_defaults_handles_writing_errors(self):
handler = SettingsHandler()
for error in (EOFError, IOError, pickle.PicklingError):
f = NamedTemporaryFile("wt", delete=False)
f.close() # so it can be opened on windows
handler._get_settings_filename = lambda x=f: x.name
with patch("orangewidget.settings.log.error") as log, \
patch.object(handler, "write_defaults_file",
side_effect=error):
handler.write_defaults()
log.assert_called()
# Corrupt setting files should be removed
self.assertFalse(os.path.exists(f.name))
def override_default_settings(self, widget, defaults=None):
if defaults is None:
defaults = {}
h = SettingsHandler()
h.widget_class = widget
h.defaults = defaults
filename = h._get_settings_filename()
os.makedirs(os.path.dirname(filename), exist_ok=True)
with open(filename, "wb") as f:
pickle.dump(defaults, f)
yield
if os.path.isfile(filename):
os.remove(filename)
def test_write_defaults(self):
fd, settings_file = mkstemp(suffix='.ini')
handler = SettingsHandler()
handler.widget_class = SimpleWidget
handler.defaults = {'a': 5, 'b': {1: 5}}
handler._get_settings_filename = lambda: settings_file
handler.write_defaults()
with open(settings_file, 'rb') as f:
default_settings = pickle.load(f)
os.close(fd)
self.assertEqual(default_settings.pop(VERSION_KEY, -0xBAD),
handler.widget_class.settings_version,)
self.assertEqual(default_settings, handler.defaults)
os.remove(settings_file)