TwoServiceTest.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.opentracing;

import io.opentracing.tag.Tags;
import org.apache.camel.RoutesBuilder;
import org.apache.camel.builder.RouteBuilder;
import org.junit.Test;

public class TwoServiceTest extends CamelOpenTracingTestSupport {

    private static SpanTestData[] testdata = {
        new SpanTestData().setLabel("ServiceB server").setUri("direct://ServiceB").setOperation("ServiceB")
            .setKind(Tags.SPAN_KIND_SERVER).setParentId(1),
        new SpanTestData().setLabel("ServiceB client").setUri("direct://ServiceB").setOperation("ServiceB")
            .setKind(Tags.SPAN_KIND_CLIENT).setParentId(2),
        new SpanTestData().setLabel("ServiceA server").setUri("direct://ServiceA").setOperation("ServiceA")
            .setKind(Tags.SPAN_KIND_SERVER).setParentId(3),
        new SpanTestData().setLabel("ServiceA client").setUri("direct://ServiceA").setOperation("ServiceA")
            .setKind(Tags.SPAN_KIND_CLIENT)
    };

    public TwoServiceTest() {
        super(testdata);
    }

    @Test
    public void testRoute() throws Exception {
        template.requestBody("direct:ServiceA", "Hello");

        verify();
    }

    @Override
    protected RoutesBuilder createRouteBuilder() throws Exception {
        return new RouteBuilder() {
            @Override
            public void configure() throws Exception {
                from("direct:ServiceA")
                    .log("ServiceA has been called")
                    .delay(simple("${random(1000,2000)}"))
                    .to("direct:ServiceB");

                from("direct:ServiceB")
                    .log("ServiceB has been called")
                    .delay(simple("${random(0,500)}"));
            }
        };
    }
}