camel-2.8.x/components/camel-spring/src/test/java/org/apache/camel/spring/interceptor/MixedStreamCachingInterceptorTest.java

/**
 * 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.camel.spring.interceptor;

import java.io.StringReader;
import javax.xml.transform.stream.StreamSource;

import org.apache.camel.CamelContext;
import org.apache.camel.ContextTestSupport;
import org.apache.camel.Exchange;
import org.apache.camel.StreamCache;
import org.apache.camel.component.mock.MockEndpoint;
import static org.apache.camel.spring.processor.SpringTestHelper.createSpringCamelContext;

/**
 * @version 
 */
public class MixedStreamCachingInterceptorTest extends ContextTestSupport {

    public void testStreamCaching() throws Exception {
        MockEndpoint a = getMockEndpoint("mock:a");
        a.expectedMessageCount(1);

        StreamSource message = new StreamSource(new StringReader("<hello>world!</hello>"));
        template.sendBody("direct:a", message);

        assertMockEndpointsSatisfied();

        Exchange exchange = a.getExchanges().get(0);
        StreamCache cache = assertIsInstanceOf(StreamCache.class, exchange.getIn().getBody());
        assertNotNull(cache);

        assertNotSame(message, cache);
    }

    public void testNoStreamCaching() throws Exception {
        MockEndpoint b = getMockEndpoint("mock:b");
        b.expectedMessageCount(1);

        StreamSource message = new StreamSource(new StringReader("<hello>world!</hello>"));
        template.sendBody("direct:b", message);

        assertMockEndpointsSatisfied();

        Exchange exchange = b.getExchanges().get(0);
        StreamSource stream = assertIsInstanceOf(StreamSource.class, exchange.getIn().getBody());
        assertNotNull(stream);
    }

    protected CamelContext createCamelContext() throws Exception {
        return createSpringCamelContext(this, "org/apache/camel/spring/interceptor/mixedStreamCachingInterceptorTest.xml");
    }

}