/*
* Copyright 2013-2016 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 org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.boot.CommandLineRunner;
import org.springframework.boot.SpringBootConfiguration;
import org.springframework.boot.autoconfigure.EnableAutoConfiguration;
import org.springframework.boot.test.context.SpringBootTest;
import org.springframework.cloud.client.ServiceInstance;
import org.springframework.cloud.client.discovery.EnableDiscoveryClient;
import org.springframework.cloud.client.loadbalancer.LoadBalancerClient;
import org.springframework.context.annotation.Bean;
import org.springframework.test.annotation.DirtiesContext;
import org.springframework.test.context.junit4.SpringRunner;
import static org.assertj.core.api.Assertions.assertThat;
import static org.springframework.boot.test.context.SpringBootTest.WebEnvironment.RANDOM_PORT;
/**
* @author Spencer Gibb
*/
@RunWith(SpringRunner.class)
@SpringBootTest(classes = RibbonEurekaAutoConfigurationTests.EurekaClientDisabledApp.class,
properties = { "eureka.client.enabled=false", "spring.application.name=eurekadisabledtest" },
webEnvironment = RANDOM_PORT)
@DirtiesContext
public class RibbonEurekaAutoConfigurationTests {
@Autowired
TestLoadbalancerClient testLoadbalancerClient;
@Test
public void contextLoads() {
assertThat(testLoadbalancerClient.instanceFound).isFalse();
}
@SpringBootConfiguration
@EnableAutoConfiguration
@EnableDiscoveryClient
public static class EurekaClientDisabledApp {
@Bean
public TestLoadbalancerClient testLoadbalanceClient(LoadBalancerClient loadBalancerClient) {
return new TestLoadbalancerClient(loadBalancerClient);
}
@Bean
public CommandLineRunner commandLineRunner(final TestLoadbalancerClient testLoadbalancerClient) {
return new CommandLineRunner() {
@Override
public void run(String... args) throws Exception {
testLoadbalancerClient.doStuff();
}
};
}
}
private static class TestLoadbalancerClient {
Log log = LogFactory.getLog(this.getClass());
private LoadBalancerClient loadBalancerClient;
private boolean instanceFound = false;
public TestLoadbalancerClient(LoadBalancerClient loadBalancerClient) {
this.loadBalancerClient = loadBalancerClient;
}
public void doStuff() {
ServiceInstance serviceInstance = loadBalancerClient.choose("http://host/doStuff");
if (serviceInstance != null) {
log.info("There is a service instance, because Eureka discovery is enabled and the service is registered");
instanceFound = true;
}
else {
log.warn("No instance found, because Eureka is disabled or there is no service matching.");
}
}
}
}