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.component.mock.MockEndpoint;
027    import org.apache.camel.util.EndpointHelper;
028    import org.slf4j.Logger;
029    import org.slf4j.LoggerFactory;
030    
031    /**
032     * A <a href="http://camel.apache.org/test.html">Test Endpoint</a> is a
033     * <a href="http://camel.apache.org/mock.html">Mock Endpoint</a> for testing but it will
034     * pull all messages from the nested endpoint and use those as expected message body assertions.
035     *
036     * @version 
037     */
038    public class TestEndpoint extends MockEndpoint {
039        private static final transient Logger LOG = LoggerFactory.getLogger(TestEndpoint.class);
040        private final Endpoint expectedMessageEndpoint;
041        private long timeout = 2000L;
042    
043        public TestEndpoint(String endpointUri, Component component, Endpoint expectedMessageEndpoint) {
044            super(endpointUri, component);
045            this.expectedMessageEndpoint = expectedMessageEndpoint;
046        }
047    
048        @Override
049        protected void doStart() throws Exception {
050            LOG.debug("Consuming expected messages from: {}", expectedMessageEndpoint);
051            final List<Object> expectedBodies = new ArrayList<Object>();
052            EndpointHelper.pollEndpoint(expectedMessageEndpoint, new Processor() {
053                public void process(Exchange exchange) throws Exception {
054                    Object body = getInBody(exchange);
055                    expectedBodies.add(body);
056                }
057            }, timeout);
058    
059            LOG.debug("Received: {} expected message(s) from: {}", expectedBodies.size(), expectedMessageEndpoint);
060            expectedBodiesReceived(expectedBodies);
061        }
062    
063        /**
064         * This method allows us to convert or coerce the expected message body into some other type
065         */
066        protected Object getInBody(Exchange exchange) {
067            return exchange.getIn().getBody();
068        }
069    }