'Test that a default value specified to Componentized.getComponent if
there is no component for the requested interface.'

def test_getComponentDefaults(self):

    componentized = components.Componentized()
    default = object()
    self.assertIs(componentized.getComponent(ITest, default), default)
    self.assertIs(componentized.getComponent(ITest, default=default), default)
    self.assertIs(componentized.getComponent(ITest), None)
