Java tutorial
/** * Copyright 2014 Netflix, 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. */ package com.netflix.config; import static org.junit.Assert.*; import org.apache.commons.configuration.CompositeConfiguration; import org.junit.BeforeClass; import org.junit.Test; public class DefaultDeploymentContextTest { @BeforeClass public static void init() { System.setProperty(ConfigurationBasedDeploymentContext.DEPLOYMENT_REGION_PROPERTY, "us-east-1"); } @Test public void testGetRegion() { String region = ConfigurationManager.getConfigInstance().getString("@region"); assertEquals("us-east-1", region); ConfigurationManager.getConfigInstance().setProperty(DeploymentContext.ContextKey.region.getKey(), "us-west-2"); assertEquals("us-west-2", ConfigurationManager.getDeploymentContext().getDeploymentRegion()); ((ConcurrentCompositeConfiguration) ConfigurationManager.getConfigInstance()) .setOverrideProperty(ConfigurationBasedDeploymentContext.DEPLOYMENT_REGION_PROPERTY, "us-east-1"); assertEquals("us-east-1", ConfigurationManager.getDeploymentContext().getDeploymentRegion()); assertEquals("us-east-1", ConfigurationManager.getConfigInstance().getProperty(DeploymentContext.ContextKey.region.getKey())); } }