/**
 * 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.processor.async;

import org.apache.camel.CamelExchangeException;
import org.apache.camel.CamelExecutionException;
import org.apache.camel.ContextTestSupport;
import org.apache.camel.Exchange;
import org.apache.camel.Processor;
import org.apache.camel.builder.RouteBuilder;

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

    private static String beforeThreadName;
    private static String afterThreadName;

    public void testAsyncEndpoint() throws Exception {
        getMockEndpoint("mock:error").expectedMessageCount(0);
        getMockEndpoint("mock:result").expectedMessageCount(0);

        try {
            template.requestBody("direct:start", "Hello Camel", String.class);
            fail("Should throw exception");
        } catch (CamelExecutionException e) {
            CamelExchangeException cause = assertIsInstanceOf(CamelExchangeException.class, e.getCause());
            assertEquals("Simulated error at attempt 1. Exchange[Message: Hello Camel]", cause.getMessage());
        }

        assertMockEndpointsSatisfied();

        assertFalse("Should use different threads", beforeThreadName.equalsIgnoreCase(afterThreadName));
    }

    @Override
    protected RouteBuilder createRouteBuilder() throws Exception {
        return new RouteBuilder() {
            @Override
            public void configure() throws Exception {
                context.addComponent("async", new MyAsyncComponent());

                // use redelivery up till 5 times
                errorHandler(defaultErrorHandler().maximumRedeliveries(5));

                onException(IllegalArgumentException.class).handled(true)
                    .process(new Processor() {
                        public void process(Exchange exchange) throws Exception {
                            beforeThreadName = Thread.currentThread().getName();
                        }
                    })
                    // invoking the async endpoint could also cause a failure so
                    // test that we can do redelivery
                    .to("async:Bye Camel?failFirstAttempts=2")
                    .process(new Processor() {
                        public void process(Exchange exchange) throws Exception {
                            afterThreadName = Thread.currentThread().getName();
                        }
                    })
                    .to("mock:error");

                from("direct:start")
                    .throwException(new IllegalArgumentException("Damn"))
                    .to("mock:result");
            }
        };
    }

}
