| /* |
| * 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.ribbon.springboot.cloud; |
| |
| import java.util.Optional; |
| |
| import org.apache.camel.CamelContext; |
| import org.apache.camel.Navigate; |
| import org.apache.camel.Processor; |
| import org.apache.camel.ProducerTemplate; |
| import org.apache.camel.Route; |
| import org.apache.camel.RoutesBuilder; |
| import org.apache.camel.builder.RouteBuilder; |
| import org.apache.camel.component.ribbon.cloud.RibbonServiceLoadBalancer; |
| import org.apache.camel.impl.cloud.DefaultServiceCallProcessor; |
| import org.apache.camel.spring.boot.cloud.CamelCloudServiceDiscovery; |
| import org.apache.camel.spring.boot.cloud.CamelCloudServiceFilter; |
| import org.apache.camel.test.AvailablePortFinder; |
| import org.junit.Assert; |
| import org.junit.Test; |
| import org.springframework.boot.autoconfigure.EnableAutoConfiguration; |
| import org.springframework.boot.test.context.runner.ApplicationContextRunner; |
| import org.springframework.context.annotation.Bean; |
| import org.springframework.context.annotation.Configuration; |
| |
| import static org.assertj.core.api.Assertions.assertThat; |
| |
| |
| public class RibbonLoadBalancerTest { |
| private static final int PORT1 = AvailablePortFinder.getNextAvailable(); |
| private static final int PORT2 = AvailablePortFinder.getNextAvailable(); |
| |
| @Test |
| public void testLoadBalancer() throws Exception { |
| new ApplicationContextRunner() |
| .withUserConfiguration(TestConfiguration.class) |
| .withPropertyValues( |
| "spring.main.banner-mode=off", |
| "camel.cloud.consul.service-discovery.enabled=false", |
| "debug=false", |
| "camel.cloud.service-discovery.services[myService]=localhost:" + PORT1 + ",localhost:" + PORT2, |
| "camel.cloud.ribbon.load-balancer.enabled=true") |
| .run( |
| context -> { |
| final CamelContext camelContext = context.getBean(CamelContext.class); |
| final ProducerTemplate template = camelContext.createProducerTemplate(); |
| |
| DefaultServiceCallProcessor processor = findServiceCallProcessor(camelContext); |
| assertThat(processor.getLoadBalancer()).isNotNull(); |
| assertThat(processor.getLoadBalancer()).isInstanceOf(RibbonServiceLoadBalancer.class); |
| |
| RibbonServiceLoadBalancer loadBalancer = (RibbonServiceLoadBalancer)processor.getLoadBalancer(); |
| assertThat(loadBalancer.getServiceDiscovery()).isInstanceOf(CamelCloudServiceDiscovery.class); |
| assertThat(loadBalancer.getServiceFilter()).isInstanceOf(CamelCloudServiceFilter.class); |
| |
| assertThat(template.requestBody("direct:start", null, String.class)).isEqualTo("" + PORT2); |
| assertThat(template.requestBody("direct:start", null, String.class)).isEqualTo("" + PORT1); |
| } |
| ); |
| } |
| |
| @EnableAutoConfiguration |
| @Configuration |
| public static class TestConfiguration { |
| @Bean |
| public RoutesBuilder routeBuilder() { |
| return new RouteBuilder() { |
| @Override |
| public void configure() throws Exception { |
| from("direct:start") |
| .routeId("scall") |
| .serviceCall() |
| .name("myService") |
| .uri("jetty:http://myService") |
| .end(); |
| fromF("jetty:http://localhost:%d", PORT1) |
| .routeId("" + PORT1) |
| .transform() |
| .constant("" + PORT1); |
| fromF("jetty:http://localhost:%d", PORT2) |
| .routeId("" + PORT2) |
| .transform() |
| .constant("" + PORT2); |
| } |
| }; |
| } |
| } |
| |
| // ************************************ |
| // Helpers |
| // ************************************ |
| |
| protected DefaultServiceCallProcessor findServiceCallProcessor(CamelContext context) { |
| Route route = context.getRoute("scall"); |
| |
| Assert.assertNotNull("ServiceCall Route should be present", route); |
| |
| return findServiceCallProcessor(route.navigate()) |
| .orElseThrow(() -> new IllegalStateException("Unable to find a ServiceCallProcessor")); |
| } |
| |
| protected Optional<DefaultServiceCallProcessor> findServiceCallProcessor(Navigate<Processor> navigate) { |
| for (Processor processor : navigate.next()) { |
| if (processor instanceof DefaultServiceCallProcessor) { |
| return Optional.ofNullable((DefaultServiceCallProcessor)processor); |
| } |
| |
| if (processor instanceof Navigate) { |
| return findServiceCallProcessor((Navigate<Processor>)processor); |
| } |
| } |
| |
| return Optional.empty(); |
| } |
| } |