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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.core.wire;
import java.lang.reflect.Type;
import org.apache.tuscany.spi.model.Operation;
import org.apache.tuscany.spi.wire.Interceptor;
import org.apache.tuscany.spi.wire.Message;
import org.apache.tuscany.spi.wire.InvocationChain;
import junit.framework.TestCase;
/**
* @version $Rev$ $Date$
*/
public class InvocationChainImplTestCase extends TestCase {
public void testInsertAtPos() throws Exception {
InvocationChain chain = new InvocationChainImpl(new Operation<Type>("foo", null, null, null));
Interceptor inter3 = new MockInterceptor();
Interceptor inter2 = new MockInterceptor();
Interceptor inter1 = new MockInterceptor();
chain.addInterceptor(inter3);
chain.addInterceptor(0, inter1);
chain.addInterceptor(1, inter2);
Interceptor head = chain.getHeadInterceptor();
assertEquals(inter1, head);
assertEquals(inter2, head.getNext());
assertEquals(inter3, head.getNext().getNext());
}
public void testInsertAtEnd() throws Exception {
InvocationChain chain = new InvocationChainImpl(new Operation<Type>("foo", null, null, null));
Interceptor inter2 = new MockInterceptor();
Interceptor inter1 = new MockInterceptor();
chain.addInterceptor(0, inter1);
chain.addInterceptor(1, inter2);
Interceptor head = chain.getHeadInterceptor();
assertEquals(inter1, head);
assertEquals(inter2, head.getNext());
assertEquals(inter2, chain.getTailInterceptor());
}
private class MockInterceptor implements Interceptor {
private Interceptor next;
public Message invoke(Message msg) {
return null;
}
public void setNext(Interceptor next) {
this.next = next;
}
public Interceptor getNext() {
return next;
}
public boolean isOptimizable() {
return false;
}
}
}
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