}
@Test
public void invoke_subPipeline() throws Exception {
Pipeline p3 = createPipeline(new LogValve(), new LogValve(), new LogValve());
Pipeline p2 = createPipeline(new LogValve(), new LogAndInvokeSubValve(p3), new LogValve());
pipeline = createPipeline(new LogValve(), new LogAndInvokeSubValve(p2), new LogValve());
// invoke
assertInvoke(pipeline, false);
assertLog("1-1", "1-2", "2-1", "2-2", "3-1", "3-2", "3-3", "2-3", "1-3");
}