MonitorItemTest.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.milo;

import org.apache.camel.EndpointInject;
import org.apache.camel.Produce;
import org.apache.camel.ProducerTemplate;
import org.apache.camel.RoutesBuilder;
import org.apache.camel.builder.RouteBuilder;
import org.apache.camel.component.milo.server.MiloServerComponent;
import org.apache.camel.component.mock.MockEndpoint;
import org.junit.Test;

/**
 * Testing the monitor functionality for item
 */
public class MonitorItemTest extends AbstractMiloServerTest {

    private static final String DIRECT_START_1 = "direct:start1";

    private static final String MILO_SERVER_ITEM_1 = "milo-server:myitem1";

    private static final String MILO_CLIENT_ITEM_C1_1 = "milo-client:tcp://foo:bar@localhost:12685?node="
                                                        + NodeIds.nodeValue(MiloServerComponent.DEFAULT_NAMESPACE_URI, "items-myitem1");

    private static final String MOCK_TEST_1 = "mock:test1";

    @EndpointInject(uri = MOCK_TEST_1)
    protected MockEndpoint test1Endpoint;

    @Produce(uri = DIRECT_START_1)
    protected ProducerTemplate producer1;

    @Override
    protected RoutesBuilder createRouteBuilder() throws Exception {
        return new RouteBuilder() {
            @Override
            public void configure() throws Exception {
                from(DIRECT_START_1).to(MILO_SERVER_ITEM_1);

                from(MILO_CLIENT_ITEM_C1_1).to(MOCK_TEST_1);
            }
        };
    }

    /**
     * Monitor multiple events
     */
    @Test
    public void testMonitorItem1() throws Exception {
        /*
         * we will wait 2 * 1_000 milliseconds between server updates since the
         * default server update rate is 1_000 milliseconds
         */

        // set server values
        this.producer1.sendBody("Foo");
        Thread.sleep(2_000);
        this.producer1.sendBody("Bar");
        Thread.sleep(2_000);
        this.producer1.sendBody("Baz");
        Thread.sleep(2_000);

        // item 1 ... only this one receives
        this.test1Endpoint.setExpectedCount(3);

        // tests
        testBody(this.test1Endpoint.message(0), assertGoodValue("Foo"));
        testBody(this.test1Endpoint.message(1), assertGoodValue("Bar"));
        testBody(this.test1Endpoint.message(2), assertGoodValue("Baz"));

        // assert
        this.assertMockEndpointsSatisfied();
    }
}