| /* |
| * 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.jgroups; |
| |
| import static java.util.UUID.randomUUID; |
| import static java.util.concurrent.TimeUnit.SECONDS; |
| |
| import org.apache.camel.CamelContext; |
| import org.apache.camel.builder.RouteBuilder; |
| import org.apache.camel.component.mock.MockEndpoint; |
| import org.apache.camel.impl.DefaultCamelContext; |
| import org.junit.Assert; |
| import org.junit.Before; |
| import org.junit.Test; |
| |
| import static org.apache.camel.component.jgroups.JGroupsExpressions.delayIfContextNotStarted; |
| import static org.apache.camel.component.jgroups.JGroupsFilters.dropNonCoordinatorViews; |
| |
| public class JGroupsClusterRouteTest extends Assert { |
| |
| // Routing fixtures |
| |
| CamelContext firstCamelContext; |
| |
| CamelContext secondCamelContext; |
| |
| String clusterName = randomUUID().toString(); |
| |
| String masterMockUri = "mock:master?resultWaitTime=2m"; |
| |
| class Builder extends RouteBuilder { |
| |
| @Override |
| public void configure() throws Exception { |
| from("jgroups:" + clusterName + "?enableViewMessages=true"). |
| filter(dropNonCoordinatorViews()). |
| threads().delay(delayIfContextNotStarted(SECONDS.toMillis(15))). |
| to("controlbus:route?routeId=masterRoute&action=start&async=true"); |
| |
| from("timer://master?repeatCount=1").routeId("masterRoute").autoStartup(false).to(masterMockUri); |
| } |
| } |
| |
| @Before |
| public void setUp() throws Exception { |
| firstCamelContext = new DefaultCamelContext(); |
| firstCamelContext.addRoutes(new Builder()); |
| |
| secondCamelContext = new DefaultCamelContext(); |
| secondCamelContext.addRoutes(new Builder()); |
| } |
| |
| // Tests |
| |
| @Test |
| public void shouldElectSecondNode() throws Exception { |
| expectMasterIs(firstCamelContext); |
| firstCamelContext.start(); |
| assertMasterIs(firstCamelContext); |
| |
| expectMasterIsNot(secondCamelContext); |
| secondCamelContext.start(); |
| assertMasterIsNot(secondCamelContext); |
| |
| expectMasterIs(secondCamelContext); |
| firstCamelContext.stop(); |
| assertMasterIs(secondCamelContext); |
| } |
| |
| @Test |
| public void shouldKeepMaster() throws Exception { |
| expectMasterIs(firstCamelContext); |
| firstCamelContext.start(); |
| assertMasterIs(firstCamelContext); |
| |
| expectMasterIsNot(secondCamelContext); |
| secondCamelContext.start(); |
| assertMasterIsNot(secondCamelContext); |
| |
| expectMasterIs(firstCamelContext); |
| secondCamelContext.stop(); |
| assertMasterIs(firstCamelContext); |
| } |
| |
| @Test |
| public void shouldElectSecondNodeAndReturnToFirst() throws Exception { |
| expectMasterIs(firstCamelContext); |
| firstCamelContext.start(); |
| assertMasterIs(firstCamelContext); |
| |
| expectMasterIsNot(secondCamelContext); |
| secondCamelContext.start(); |
| assertMasterIsNot(secondCamelContext); |
| |
| expectMasterIsNot(firstCamelContext); |
| firstCamelContext.stop(); |
| assertMasterIsNot(firstCamelContext); |
| |
| expectMasterIsNot(firstCamelContext); |
| firstCamelContext.start(); |
| assertMasterIsNot(firstCamelContext); |
| |
| expectMasterIs(firstCamelContext); |
| secondCamelContext.stop(); |
| assertMasterIs(firstCamelContext); |
| } |
| |
| // Helpers |
| |
| private void expectMasterIs(CamelContext camelContext) { |
| camelContext.getEndpoint(masterMockUri, MockEndpoint.class).expectedMessageCount(1); |
| } |
| |
| private void expectMasterIsNot(CamelContext camelContext) { |
| camelContext.getEndpoint(masterMockUri, MockEndpoint.class).expectedMessageCount(0); |
| } |
| |
| private void assertMasterIs(CamelContext camelContext) throws InterruptedException { |
| camelContext.getEndpoint(masterMockUri, MockEndpoint.class).assertIsSatisfied(); |
| } |
| |
| private void assertMasterIsNot(CamelContext camelContext) throws InterruptedException { |
| camelContext.getEndpoint(masterMockUri, MockEndpoint.class).assertIsSatisfied(); |
| } |
| |
| } |