def test_on_settings_changed(self):
window = MainWindow()
mocker = mox.Mox()
register = mocker.CreateMockAnything()
window.RegisterHotKey = register
unregister = mocker.CreateMockAnything()
window.UnregisterHotKey = unregister
settings = mocker.CreateMock(BaseSettings)
modifiers = wx.MOD_ALT
key_code = wx.WXK_F1
register(1, modifiers, key_code)
window.on_setting_changed(settings, 'Options', 'HotKey', '%d,%d' % (modifiers, key_code))
mocker.ReplayAll()
self.assertEqual(1, window._last_hotkey)
mocker.ResetAll()
unregister(1)
window.on_setting_changed(settings, 'Options', 'HotKey', '')
mocker.ReplayAll()
self.assertEqual(None, window._last_hotkey)
