def test_check_composite_noavail(self): '''calling with --check-composite and no available driver''' sys.argv = ['ui-test', '--check-composite'] ui = sandbox.TestUI() h = XorgDriverHandler(ui, 'vanilla3d', 'mesa-vanilla', 'v3d', 'vanilla') self.failIf(h.enabled()) ui.backend().handlers[h.id()] = h self.assertEqual(ui.run(), 1) self.stop_capture() self.assert_('no available' in self.stderr)