Java tutorial
package com.kixeye.chassis.support.test.eureka.metadata; /* * #%L * Chassis Support * %% * Copyright (C) 2014 KIXEYE, Inc * %% * 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. * #L% */ import com.google.common.collect.Iterators; import com.kixeye.chassis.support.eureka.MetadataCollector; import com.netflix.config.ConfigurationManager; import com.netflix.config.DynamicPropertyFactory; import org.junit.After; import org.junit.Assert; import org.junit.Before; import org.junit.Test; import org.springframework.context.annotation.AnnotationConfigApplicationContext; import org.springframework.core.env.EnumerablePropertySource; import org.springframework.core.env.StandardEnvironment; import java.util.HashMap; import java.util.Map; public class MetadataCollectorTest { private AnnotationConfigApplicationContext context; @Before public void setup() { ConfigurationManager.getConfigInstance().setProperty("chassis.eureka.disable", "true"); ConfigurationManager.getConfigInstance().setProperty("eureka.metadata.prop1", "propValue"); ConfigurationManager.getConfigInstance().setProperty("eureka.datacenter", "default"); StandardEnvironment environment = new StandardEnvironment(); environment.getPropertySources().addFirst(new ArchaiusSpringPropertySource()); context = new AnnotationConfigApplicationContext(); context.setEnvironment(environment); context.register(MetadataCollectorConfiguration.class); context.refresh(); context.start(); } @After public void tearDown() { if (context != null) { context.close(); context = null; } } @Test public void collectTest() { MetadataCollector collector = context.getBean(MetadataCollector.class); Map<String, String> map = collector.getMetadataMap(); Assert.assertEquals("propValue", map.get("prop1")); Assert.assertEquals("value1", map.get("test1")); Assert.assertEquals("value2", map.get("test2")); } class ArchaiusSpringPropertySource extends EnumerablePropertySource<Map<String, Object>> { public ArchaiusSpringPropertySource() { super("archius", new HashMap<String, Object>()); } @Override public String[] getPropertyNames() { return Iterators.toArray(ConfigurationManager.getConfigInstance().getKeys(), String.class); } @Override public Object getProperty(String name) { return DynamicPropertyFactory.getInstance().getStringProperty(name, null).get(); } } }