| /* |
| * 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.zookeeper.cloud; |
| |
| import java.util.ArrayList; |
| import java.util.List; |
| |
| import org.apache.camel.RoutesBuilder; |
| import org.apache.camel.builder.RouteBuilder; |
| import org.apache.camel.component.zookeeper.ZooKeeperTestSupport; |
| import org.apache.camel.test.AvailablePortFinder; |
| import org.apache.camel.test.junit4.CamelTestSupport; |
| import org.apache.curator.framework.CuratorFramework; |
| import org.apache.curator.framework.CuratorFrameworkFactory; |
| import org.apache.curator.retry.ExponentialBackoffRetry; |
| import org.apache.curator.utils.CloseableUtils; |
| import org.apache.curator.x.discovery.ServiceDiscovery; |
| import org.apache.curator.x.discovery.ServiceDiscoveryBuilder; |
| import org.apache.curator.x.discovery.ServiceInstance; |
| import org.apache.curator.x.discovery.details.JsonInstanceSerializer; |
| import org.junit.After; |
| import org.junit.Test; |
| |
| public class ZooKeeperServiceCallRouteTest extends CamelTestSupport { |
| private static final int SERVER_PORT = AvailablePortFinder.getNextAvailable(); |
| private static final String SERVICE_NAME = "http-service"; |
| private static final int SERVICE_COUNT = 5; |
| private static final String SERVICE_PATH = "/camel"; |
| |
| private ZooKeeperTestSupport.TestZookeeperServer server; |
| private CuratorFramework curator; |
| private ServiceDiscovery<ZooKeeperServiceDiscovery.MetaData> discovery; |
| private List<ServiceInstance<ZooKeeperServiceDiscovery.MetaData>> instances; |
| private List<String> expectedBodies; |
| |
| // ************************************************************************* |
| // Setup / tear down |
| // ************************************************************************* |
| |
| @Override |
| protected void doPreSetup() throws Exception { |
| super.doPreSetup(); |
| |
| server = new ZooKeeperTestSupport.TestZookeeperServer(SERVER_PORT, true); |
| ZooKeeperTestSupport.waitForServerUp("127.0.0.1:" + SERVER_PORT, 1000); |
| |
| curator = CuratorFrameworkFactory.builder() |
| .connectString("127.0.0.1:" + SERVER_PORT) |
| .retryPolicy(new ExponentialBackoffRetry(1000, 3)) |
| .build(); |
| |
| discovery = ServiceDiscoveryBuilder.builder(ZooKeeperServiceDiscovery.MetaData.class) |
| .client(curator) |
| .basePath(SERVICE_PATH) |
| .serializer(new JsonInstanceSerializer<>(ZooKeeperServiceDiscovery.MetaData.class)) |
| .build(); |
| |
| curator.start(); |
| discovery.start(); |
| |
| instances = new ArrayList<>(SERVICE_COUNT); |
| expectedBodies = new ArrayList<>(SERVICE_COUNT); |
| |
| for (int i = 0; i < SERVICE_COUNT; i++) { |
| ServiceInstance<ZooKeeperServiceDiscovery.MetaData> instance = ServiceInstance.<ZooKeeperServiceDiscovery.MetaData>builder() |
| .address("127.0.0.1") |
| .port(AvailablePortFinder.getNextAvailable()) |
| .name(SERVICE_NAME) |
| .id("service-" + i) |
| .build(); |
| |
| discovery.registerService(instance); |
| instances.add(instance); |
| expectedBodies.add("ping on " + instance.getPort()); |
| } |
| } |
| |
| @Override |
| @After |
| public void tearDown() throws Exception { |
| super.tearDown(); |
| |
| for (ServiceInstance<ZooKeeperServiceDiscovery.MetaData> instace : instances) { |
| try { |
| discovery.unregisterService(instace); |
| } catch (Exception e) { |
| // Ignore |
| } |
| } |
| |
| CloseableUtils.closeQuietly(discovery); |
| CloseableUtils.closeQuietly(curator); |
| |
| server.shutdown(); |
| } |
| |
| // ************************************************************************* |
| // Test |
| // ************************************************************************* |
| |
| @Test |
| public void testServiceCall() throws Exception { |
| getMockEndpoint("mock:result").expectedMessageCount(SERVICE_COUNT); |
| getMockEndpoint("mock:result").expectedBodiesReceivedInAnyOrder(expectedBodies); |
| |
| instances.forEach(r -> template.sendBody("direct:start", "ping")); |
| |
| assertMockEndpointsSatisfied(); |
| } |
| |
| // ************************************************************************* |
| // Route |
| // ************************************************************************* |
| |
| @Override |
| protected RoutesBuilder createRouteBuilder() throws Exception { |
| return new RouteBuilder() { |
| @Override |
| public void configure() throws Exception { |
| from("direct:start") |
| .serviceCall() |
| .name(SERVICE_NAME) |
| .component("http") |
| .defaultLoadBalancer() |
| .zookeeperServiceDiscovery("127.0.0.1:" + SERVER_PORT, SERVICE_PATH) |
| .end() |
| .to("log:org.apache.camel.component.zookeeper.cloud?level=INFO&showAll=true&multiline=true") |
| .to("mock:result"); |
| |
| instances.forEach(r -> |
| fromF("jetty:http://%s:%d", r.getAddress(), r.getPort()) |
| .transform().simple("${in.body} on " + r.getPort()) |
| ); |
| } |
| }; |
| } |
| } |
| |