SpringHystrixRouteHierarchicalConfigTest.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.
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package org.apache.camel.component.hystrix.processor;

import org.apache.camel.model.HystrixConfigurationDefinition;
import org.apache.camel.model.HystrixDefinition;
import org.apache.camel.model.RouteDefinition;
import org.apache.camel.test.spring.CamelSpringTestSupport;
import org.junit.Assert;
import org.junit.Test;
import org.springframework.context.support.AbstractApplicationContext;
import org.springframework.context.support.ClassPathXmlApplicationContext;
import org.springframework.test.annotation.DirtiesContext;

@DirtiesContext
public class SpringHystrixRouteHierarchicalConfigTest extends CamelSpringTestSupport {
    @Override
    protected AbstractApplicationContext createApplicationContext() {
        return new ClassPathXmlApplicationContext("org/apache/camel/component/hystrix/processor/SpringHystrixRouteHierarchicalConfigTest.xml");
    }

    @Test
    public void testHystrix() throws Exception {
        RouteDefinition routeDefinition = context.getRouteDefinition("hystrix-route");
        HystrixDefinition hystrixDefinition = findHystrixDefinition(routeDefinition);

        Assert.assertNotNull(hystrixDefinition);

        HystrixProcessorFactory factory = new HystrixProcessorFactory();
        HystrixConfigurationDefinition config = factory.buildHystrixConfiguration(context, hystrixDefinition);

        Assert.assertEquals("local-conf-group-key", config.getGroupKey());
        Assert.assertEquals("global-thread-key", config.getThreadPoolKey());
        Assert.assertEquals(new Integer(5), config.getCorePoolSize());

        getMockEndpoint("mock:result").expectedBodiesReceived("Bye World");

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

        assertMockEndpointsSatisfied();
    }

    // **********************************************
    // Helper
    // **********************************************

    private HystrixDefinition findHystrixDefinition(RouteDefinition routeDefinition) throws Exception {
        return routeDefinition.getOutputs().stream()
            .filter(HystrixDefinition.class::isInstance)
            .map(HystrixDefinition.class::cast)
            .findFirst()
            .orElseThrow(() -> new IllegalStateException("Unable to find a HystrixDefinition"));
    }
}