Java tutorial
/** * Copyright 2014 Flipkart Internet Pvt. Ltd. * <p/> * Licensed 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 * <p/> * http://www.apache.org/licenses/LICENSE-2.0 * <p/> * 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 com.flipkart.foxtrot.client; import com.fasterxml.jackson.databind.ObjectMapper; import com.flipkart.foxtrot.client.cluster.FoxtrotCluster; import com.flipkart.foxtrot.client.cluster.FoxtrotClusterMember; import com.flipkart.foxtrot.client.cluster.FoxtrotClusterStatus; import com.flipkart.foxtrot.client.selectors.RandomSelector; import com.flipkart.foxtrot.client.selectors.RoundRobinSelector; import com.flipkart.foxtrot.client.serialization.JacksonJsonFoxtrotClusterResponseSerializationHandlerImpl; import com.google.common.collect.Lists; import org.apache.http.HttpException; import org.apache.http.entity.StringEntity; import org.apache.http.localserver.LocalTestServer; import org.apache.http.protocol.HttpContext; import org.apache.http.protocol.HttpRequestHandler; import org.junit.After; import org.junit.Assert; import org.junit.Before; import org.junit.Test; import java.io.IOException; public class TestSelectorNoMember { private static final ObjectMapper mapper = new ObjectMapper(); private LocalTestServer localTestServer = new LocalTestServer(null, null); @Before public void setup() throws Exception { localTestServer.register("/foxtrot/v1/cluster/members", new HttpRequestHandler() { @Override public void handle(org.apache.http.HttpRequest request, org.apache.http.HttpResponse response, HttpContext context) throws HttpException, IOException { response.setEntity(new StringEntity(mapper .writeValueAsString(new FoxtrotClusterStatus(Lists.<FoxtrotClusterMember>newArrayList())))); response.setStatusCode(200); } }); localTestServer.start(); } @After public void tearDown() throws Exception { localTestServer.stop(); } @Test public void testMemberGet() throws Exception { FoxtrotClientConfig clientConfig = new FoxtrotClientConfig(); clientConfig.setHost(localTestServer.getServiceAddress().getHostName()); clientConfig.setPort(localTestServer.getServiceAddress().getPort()); FoxtrotCluster foxtrotCluster = new FoxtrotCluster(clientConfig, new RandomSelector(), JacksonJsonFoxtrotClusterResponseSerializationHandlerImpl.INSTANCE); Assert.assertNull(foxtrotCluster.member()); } @Test public void testMemberGetRR() throws Exception { FoxtrotClientConfig clientConfig = new FoxtrotClientConfig(); clientConfig.setHost(localTestServer.getServiceAddress().getHostName()); clientConfig.setPort(localTestServer.getServiceAddress().getPort()); FoxtrotCluster foxtrotCluster = new FoxtrotCluster(clientConfig, new RoundRobinSelector(), JacksonJsonFoxtrotClusterResponseSerializationHandlerImpl.INSTANCE); Assert.assertNull(foxtrotCluster.member()); } }