001    /**
002     * Licensed to the Apache Software Foundation (ASF) under one or more
003     * contributor license agreements.  See the NOTICE file distributed with
004     * this work for additional information regarding copyright ownership.
005     * The ASF licenses this file to You under the Apache License, Version 2.0
006     * (the "License"); you may not use this file except in compliance with
007     * the License.  You may obtain a copy of the License at
008     *
009     *      http://www.apache.org/licenses/LICENSE-2.0
010     *
011     * Unless required by applicable law or agreed to in writing, software
012     * distributed under the License is distributed on an "AS IS" BASIS,
013     * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
014     * See the License for the specific language governing permissions and
015     * limitations under the License.
016     */
017    package org.apache.camel.component.test;
018    
019    import java.util.ArrayList;
020    import java.util.List;
021    
022    import org.apache.camel.Component;
023    import org.apache.camel.Endpoint;
024    import org.apache.camel.Exchange;
025    import org.apache.camel.Processor;
026    import org.apache.camel.Service;
027    import org.apache.camel.component.mock.MockEndpoint;
028    import org.apache.camel.util.EndpointHelper;
029    import org.apache.commons.logging.Log;
030    import org.apache.commons.logging.LogFactory;
031    
032    /**
033     * A <a href="http://camel.apache.org/test.html">Test Endpoint</a> is a
034     * <a href="http://camel.apache.org/mock.html">Mock Endpoint</a> for testing but it will
035     * pull all messages from the nested endpoint and use those as expected message body assertions.
036     *
037     * @version $Revision: 747759 $
038     */
039    public class TestEndpoint extends MockEndpoint implements Service {
040        private static final transient Log LOG = LogFactory.getLog(TestEndpoint.class);
041        private final Endpoint expectedMessageEndpoint;
042        private long timeout = 2000L;
043    
044        public TestEndpoint(String endpointUri, Component component, Endpoint expectedMessageEndpoint) {
045            super(endpointUri, component);
046            this.expectedMessageEndpoint = expectedMessageEndpoint;
047        }
048    
049        public TestEndpoint(String endpointUri, Endpoint expectedMessageEndpoint) {
050            super(endpointUri);
051            this.expectedMessageEndpoint = expectedMessageEndpoint;
052        }
053    
054        @SuppressWarnings("unchecked")
055        public void start() throws Exception {
056            if (LOG.isDebugEnabled()) {
057                LOG.debug("Consuming expected messages from: " + expectedMessageEndpoint);
058            }
059            final List expectedBodies = new ArrayList();
060            EndpointHelper.pollEndpoint(expectedMessageEndpoint, new Processor() {
061                public void process(Exchange exchange) throws Exception {
062                    Object body = getInBody(exchange);
063                    expectedBodies.add(body);
064                }
065            }, timeout);
066    
067            if (LOG.isDebugEnabled()) {
068                LOG.debug("Received: " + expectedBodies.size() + " expected message(s) from: " + expectedMessageEndpoint);
069            }
070            expectedBodiesReceived(expectedBodies);
071        }
072    
073        public void stop() throws Exception {
074        }
075    
076        /**
077         * This method allows us to convert or coerce the expected message body into some other type
078         */
079        protected Object getInBody(Exchange exchange) {
080            return exchange.getIn().getBody();
081        }
082    }