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/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
package org.apache.tuscany.sca.core.invocation.impl;
import static org.junit.Assert.assertEquals;
import org.apache.tuscany.sca.core.invocation.impl.InvocationChainImpl;
import org.apache.tuscany.sca.interfacedef.Operation;
import org.apache.tuscany.sca.interfacedef.impl.OperationImpl;
import org.apache.tuscany.sca.invocation.Interceptor;
import org.apache.tuscany.sca.invocation.InvocationChain;
import org.apache.tuscany.sca.invocation.Invoker;
import org.apache.tuscany.sca.invocation.Message;
import org.apache.tuscany.sca.invocation.Phase;
import org.junit.Test;
/**
* @version $Rev$ $Date$
*/
public class InvocationChainImplTestCase {
@Test
public void testInsertAtEnd() throws Exception {
Operation op = newOperation("foo");
InvocationChain chain = new InvocationChainImpl(op, op, true);
Interceptor inter2 = new MockInterceptor();
Interceptor inter1 = new MockInterceptor();
chain.addInterceptor(inter1);
chain.addInterceptor(inter2);
Interceptor head = (Interceptor)chain.getHeadInvoker();
assertEquals(inter1, head);
assertEquals(inter2, head.getNext());
assertEquals(inter2, chain.getTailInvoker());
}
@Test
public void testAddByPhase() throws Exception {
Operation op = newOperation("foo");
InvocationChain chain = new InvocationChainImpl(op, op, false);
Interceptor inter1 = new MockInterceptor();
Interceptor inter2 = new MockInterceptor();
Interceptor inter3 = new MockInterceptor();
Interceptor inter4 = new MockInterceptor();
chain.addInterceptor(inter3); // SERVICE
chain.addInterceptor(Phase.IMPLEMENTATION_POLICY, inter4);
chain.addInterceptor(Phase.SERVICE_POLICY, inter2);
chain.addInterceptor(Phase.SERVICE_BINDING, inter1);
Interceptor head = (Interceptor)chain.getHeadInvoker();
assertEquals(inter1, head);
assertEquals(inter2, inter1.getNext());
assertEquals(inter3, inter2.getNext());
assertEquals(inter4, inter3.getNext());
assertEquals(inter4, chain.getTailInvoker());
}
private class MockInterceptor implements Interceptor {
private Invoker next;
public Message invoke(Message msg) {
return null;
}
public void setNext(Invoker next) {
this.next = next;
}
public Invoker getNext() {
return next;
}
}
private static Operation newOperation(String name) {
Operation operation = new OperationImpl();
operation.setName(name);
return operation;
}
}
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