package org.springframework.cloud.netflix.eureka;
import java.io.IOException;
import org.junit.Test;
import org.springframework.boot.autoconfigure.PropertyPlaceholderAutoConfiguration;
import org.springframework.boot.context.properties.EnableConfigurationProperties;
import org.springframework.cloud.commons.util.InetUtils;
import org.springframework.cloud.commons.util.InetUtilsProperties;
import org.springframework.context.annotation.AnnotationConfigApplicationContext;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import com.netflix.appinfo.InstanceInfo;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertTrue;
import static org.springframework.boot.test.util.EnvironmentTestUtils.addEnvironment;
public class InstanceInfoFactoryTests {
private AnnotationConfigApplicationContext context = new AnnotationConfigApplicationContext();
@Test
public void instanceIdIsHostNameByDefault() throws IOException {
InstanceInfo instanceInfo = setupInstance();
try (InetUtils utils = new InetUtils(new InetUtilsProperties())) {
assertEquals(utils.findFirstNonLoopbackHostInfo().getHostname(),
instanceInfo.getId());
}
}
@Test
public void instanceIdIsIpWhenIpPreferred() throws Exception {
InstanceInfo instanceInfo = setupInstance("eureka.instance.preferIpAddress:true");
assertTrue(instanceInfo.getId().matches("(\\d+\\.){3}\\d+"));
}
@Test
public void instanceInfoIdIsInstanceIdWhenSet() {
InstanceInfo instanceInfo = setupInstance("eureka.instance.instanceId:special");
assertEquals("special", instanceInfo.getId());
}
private InstanceInfo setupInstance(String... pairs) {
for (String pair : pairs) {
addEnvironment(this.context, pair);
}
this.context.register(PropertyPlaceholderAutoConfiguration.class,
TestConfiguration.class);
this.context.refresh();
EurekaInstanceConfigBean instanceConfig = getInstanceConfig();
return new InstanceInfoFactory().create(instanceConfig);
}
private EurekaInstanceConfigBean getInstanceConfig() {
return this.context.getBean(EurekaInstanceConfigBean.class);
}
@Configuration
@EnableConfigurationProperties
protected static class TestConfiguration {
@Bean
public EurekaInstanceConfigBean eurekaInstanceConfigBean() {
return new EurekaInstanceConfigBean(new InetUtils(new InetUtilsProperties()));
}
}
}