camel-2.8.x/camel-core/src/test/java/org/apache/camel/component/bean/DefaultParameterMappingStrategyTest.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.component.bean;

import org.apache.camel.CamelContext;
import org.apache.camel.ContextTestSupport;
import org.apache.camel.Exchange;
import org.apache.camel.Message;
import org.apache.camel.Processor;
import org.apache.camel.TypeConverter;
import org.apache.camel.builder.RouteBuilder;
import org.apache.camel.impl.JndiRegistry;
import org.apache.camel.spi.Registry;

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

    @Override
    protected JndiRegistry createRegistry() throws Exception {
        JndiRegistry jndi = super.createRegistry();
        jndi.bind("foo", new MyFooBean());
        return jndi;
    }

    public void testExchange() throws Exception {
        getMockEndpoint("mock:result").expectedBodiesReceived("Exchange");
        template.sendBody("direct:a", "Hello");
        assertMockEndpointsSatisfied();
    }

    public void testMessage() throws Exception {
        getMockEndpoint("mock:result").expectedBodiesReceived("Message");
        template.sendBody("direct:b", "Hello");
        assertMockEndpointsSatisfied();
    }

    public void testException() throws Exception {
        getMockEndpoint("mock:result").expectedBodiesReceived("Exception");
        template.send("direct:c", new Processor() {
            public void process(Exchange exchange) throws Exception {
                exchange.getIn().setBody("Hello");
                exchange.setException(new IllegalArgumentException("Forced by unit test"));
            }
        });
        assertMockEndpointsSatisfied();
    }

    public void testTypeConverter() throws Exception {
        getMockEndpoint("mock:result").expectedBodiesReceived("TypeConverter");
        template.sendBody("direct:d", "Hello");
        assertMockEndpointsSatisfied();
    }

    public void testRegistry() throws Exception {
        getMockEndpoint("mock:result").expectedBodiesReceived("Registry");
        template.sendBody("direct:e", "Hello");
        assertMockEndpointsSatisfied();
    }

    public void testCamelContext() throws Exception {
        getMockEndpoint("mock:result").expectedBodiesReceived("CamelContext");
        template.sendBody("direct:f", "Hello");
        assertMockEndpointsSatisfied();
    }

    @Override
    protected RouteBuilder createRouteBuilder() throws Exception {
        return new RouteBuilder() {
            @Override
            public void configure() throws Exception {
                errorHandler(deadLetterChannel("mock:error").logStackTrace(false).disableRedelivery());

                onException(Exception.class).handled(true).beanRef("foo", "withException").to("mock:result");

                from("direct:a").beanRef("foo", "withExchange").to("mock:result");

                from("direct:b").beanRef("foo", "withMessage").to("mock:result");

                from("direct:c").to("mock:foo");

                from("direct:d").beanRef("foo", "withTypeConverter").to("mock:result");

                from("direct:e").beanRef("foo", "withRegistry").to("mock:result");

                from("direct:f").beanRef("foo", "withCamelContext").to("mock:result");
            }
        };
    }

    public static class MyFooBean {

        public String withExchange(Exchange exchange) {
            assertNotNull(exchange);
            assertEquals("Hello", exchange.getIn().getBody(String.class));
            return "Exchange";
        }

        public String withMessage(Message message) {
            assertNotNull(message);
            assertEquals("Hello", message.getBody(String.class));
            return "Message";
        }

        public String withException(Message in, Exception cause) {
            assertNotNull(in);
            assertNotNull(cause);
            assertEquals("Hello", in.getBody(String.class));
            return "Exception";
        }

        public String withTypeConverter(String body, TypeConverter converter) {
            assertNotNull(body);
            assertNotNull(converter);
            assertEquals("Hello", body);
            assertEquals(new Integer(123), converter.convertTo(Integer.class, "123"));
            return "TypeConverter";
        }

        public String withRegistry(String body, Registry registry) {
            assertNotNull(body);
            assertNotNull(registry);
            assertNotNull(registry.lookup("foo"));
            assertEquals("Hello", body);
            return "Registry";
        }

        public String withCamelContext(String body, CamelContext camel) {
            assertNotNull(body);
            assertNotNull(camel);
            assertNotNull(camel.getRegistry().lookup("foo"));
            assertEquals("Hello", body);
            return "CamelContext";
        }

    }
}