/**
 * 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;

import org.apache.camel.ContextTestSupport;
import org.apache.camel.Navigate;
import org.apache.camel.Processor;
import org.apache.camel.builder.RouteBuilder;
import org.apache.camel.component.mock.MockEndpoint;

/**
 * Unit test for navigating a route (runtime processors, not the model).
 *
 * @version 
 */
public class NavigateRouteTest extends ContextTestSupport {

    private static int count;

    public void testNavigateRoute() throws Exception {
        MockEndpoint mock = getMockEndpoint("mock:result");
        mock.expectedMessageCount(2);

        template.sendBody("direct:start", "Hello World");

        assertMockEndpointsSatisfied();

        Navigate<Processor> nav = context.getRoutes().get(0).navigate();
        navigateRoute(nav);

        assertEquals("There should be 8 processors to navigate", 8, count);
    }

    @SuppressWarnings("unchecked")
    private void navigateRoute(Navigate<Processor> nav) {
        if (!nav.hasNext()) {
            return;
        }

        for (Processor child : nav.next()) {
            count++;

            if (child instanceof SendProcessor) {
                SendProcessor send = (SendProcessor) child;
                assertEquals("mock://result", send.getDestination().getEndpointUri());
            }

            if (child instanceof ConvertBodyProcessor) {
                ConvertBodyProcessor convert = (ConvertBodyProcessor) child;
                assertEquals(String.class, convert.getType());
            }

            // navigate children
            if (child instanceof Navigate) {
                navigateRoute((Navigate<Processor>) child);
            } 
        }
    }

    @Override
    protected RouteBuilder createRouteBuilder() throws Exception {
        return new RouteBuilder() {
            @Override
            public void configure() throws Exception {
                from("direct:start")
                    .convertBodyTo(String.class)
                    .split(body().tokenize(" "))
                    .to("mock:result");
            }
        };
    }

}
