/*
* Copyright 2013-2015 the original author or authors.
*
* 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
*
* 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.springframework.cloud.netflix.ribbon.eureka;
import java.util.Arrays;
import java.util.Collections;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import org.junit.Test;
import com.netflix.appinfo.InstanceInfo;
import com.netflix.client.config.CommonClientConfigKey;
import com.netflix.client.config.DefaultClientConfigImpl;
import com.netflix.loadbalancer.Server;
import com.netflix.loadbalancer.ServerList;
import com.netflix.niws.loadbalancer.DiscoveryEnabledServer;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.assertTrue;
import static org.mockito.BDDMockito.given;
import static org.mockito.Mockito.mock;
/**
* @author Spencer Gibb
*/
public class DomainExtractingServerListTests {
static final String IP_ADDR = "10.0.0.2";
static final int PORT = 8080;
static final String ZONE = "myzone.mydomain.com";
static final String HOST_NAME = "myHostName." + ZONE;
static final String INSTANCE_ID = "myInstanceId";
private Map<String, String> metadata = Collections.<String, String> singletonMap(
"instanceId", INSTANCE_ID);
@Test
public void testDomainExtractingServer() {
DomainExtractingServerList serverList = getDomainExtractingServerList(
new DefaultClientConfigImpl(), true);
List<DiscoveryEnabledServer> servers = serverList.getInitialListOfServers();
assertNotNull("servers was null", servers);
assertEquals("servers was not size 1", 1, servers.size());
DomainExtractingServer des = assertDomainExtractingServer(servers, ZONE);
assertEquals("hostPort was wrong", HOST_NAME + ":" + PORT, des.getHostPort());
}
@Test
public void testZoneInMetaData() {
this.metadata = new HashMap<String, String>();
this.metadata.put("zone", "us-west-1");
this.metadata.put("instanceId", INSTANCE_ID);
DomainExtractingServerList serverList = getDomainExtractingServerList(
new DefaultClientConfigImpl(), false);
List<DiscoveryEnabledServer> servers = serverList.getInitialListOfServers();
assertNotNull("servers was null", servers);
assertEquals("servers was not size 1", 1, servers.size());
DomainExtractingServer des = assertDomainExtractingServer(servers, "us-west-1");
assertEquals("Zone was wrong", "us-west-1", des.getZone());
}
@Test
public void testDomainExtractingServerDontApproximateZone() {
DomainExtractingServerList serverList = getDomainExtractingServerList(
new DefaultClientConfigImpl(), false);
List<DiscoveryEnabledServer> servers = serverList.getInitialListOfServers();
assertNotNull("servers was null", servers);
assertEquals("servers was not size 1", 1, servers.size());
DomainExtractingServer des = assertDomainExtractingServer(servers, null);
assertEquals("hostPort was wrong", HOST_NAME + ":" + PORT, des.getHostPort());
}
protected DomainExtractingServer assertDomainExtractingServer(
List<DiscoveryEnabledServer> servers, String zone) {
Server actualServer = servers.get(0);
assertTrue("server was not a DomainExtractingServer",
actualServer instanceof DomainExtractingServer);
DomainExtractingServer des = DomainExtractingServer.class.cast(actualServer);
assertEquals("zone was wrong", zone, des.getZone());
assertEquals("instanceId was wrong", HOST_NAME + ":" + INSTANCE_ID, des.getId());
return des;
}
@Test
public void testDomainExtractingServerUseIpAddress() {
DefaultClientConfigImpl config = new DefaultClientConfigImpl();
config.setProperty(CommonClientConfigKey.UseIPAddrForServer, true);
DomainExtractingServerList serverList = getDomainExtractingServerList(config,
true);
List<DiscoveryEnabledServer> servers = serverList.getInitialListOfServers();
assertNotNull("servers was null", servers);
assertEquals("servers was not size 1", 1, servers.size());
DomainExtractingServer des = assertDomainExtractingServer(servers, ZONE);
assertEquals("hostPort was wrong", IP_ADDR + ":" + PORT, des.getHostPort());
}
protected DomainExtractingServerList getDomainExtractingServerList(
DefaultClientConfigImpl config, boolean approximateZoneFromHostname) {
DiscoveryEnabledServer server = mock(DiscoveryEnabledServer.class);
@SuppressWarnings("unchecked")
ServerList<DiscoveryEnabledServer> originalServerList = mock(ServerList.class);
InstanceInfo instanceInfo = mock(InstanceInfo.class);
given(server.getInstanceInfo()).willReturn(instanceInfo);
given(server.getHost()).willReturn(HOST_NAME);
given(instanceInfo.getMetadata()).willReturn(this.metadata);
given(instanceInfo.getHostName()).willReturn(HOST_NAME);
given(instanceInfo.getIPAddr()).willReturn(IP_ADDR);
given(instanceInfo.getPort()).willReturn(PORT);
given(originalServerList.getInitialListOfServers()).willReturn(
Arrays.asList(server));
return new DomainExtractingServerList(originalServerList, config,
approximateZoneFromHostname);
}
}