content: /*
   *
   * Licensed to the Apache Software Foundation (ASF) under one
   * or more contributor license agreements.  See the NOTICE file
   * distributed with this work for additional information
   * regarding copyright ownership.  The ASF licenses this file
   * to you 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.apache.bookkeeper.test;
  
  import static org.junit.Assert.assertEquals;
  
  import org.apache.bookkeeper.conf.AbstractConfiguration;
  import org.apache.bookkeeper.conf.ClientConfiguration;
  import org.apache.bookkeeper.conf.ServerConfiguration;
  import org.junit.After;
  import org.junit.Test;
  
  /**
   * Test the configuration class.
   */
  public class ConfigurationTest {
  
      static {
          // this property is read when AbstractConfiguration class is loaded.
          // this test will work as expected only using a new JVM (or classloader) for the test
          System.setProperty(AbstractConfiguration.READ_SYSTEM_PROPERTIES_PROPERTY, "true");
      }
  
      @After
      public void clearProperty() {
          System.clearProperty("metadataServiceUri");
      }
  
      @Test
      public void testConfigurationOverwrite() {
          ServerConfiguration conf = new ServerConfiguration();
          assertEquals(null, conf.getMetadataServiceUriUnchecked());
  
          // override setting from property
          System.setProperty("metadataServiceUri", "zk://server:2181/ledgers");
          conf = new ServerConfiguration();
          // it affects previous created configurations, if the setting is not overwrite
          assertEquals("zk://server:2181/ledgers", conf.getMetadataServiceUriUnchecked());
  
          ServerConfiguration conf2 = new ServerConfiguration();
          assertEquals("zk://server:2181/ledgers", conf2.getMetadataServiceUriUnchecked());
  
          System.clearProperty("metadataServiceUri");
  
          // load other configuration
          ServerConfiguration newConf = new ServerConfiguration();
          assertEquals(null, newConf.getMetadataServiceUriUnchecked());
          newConf.setMetadataServiceUri("zk://newserver:2181/ledgers");
          assertEquals("zk://newserver:2181/ledgers", newConf.getMetadataServiceUriUnchecked());
          conf2.loadConf(newConf);
          assertEquals("zk://newserver:2181/ledgers", conf2.getMetadataServiceUriUnchecked());
      }
  
      @Test
      public void testGetZkServers() {
          System.setProperty("metadataServiceUri", "zk://server1:port1;server2:port2/ledgers");
          ServerConfiguration conf = new ServerConfiguration();
          ClientConfiguration clientConf = new ClientConfiguration();
          assertEquals("zookeeper connect string doesn't match in server configuration",
                       "zk://server1:port1;server2:port2/ledgers", conf.getMetadataServiceUriUnchecked());
          assertEquals("zookeeper connect string doesn't match in client configuration",
                       "zk://server1:port1;server2:port2/ledgers", clientConf.getMetadataServiceUriUnchecked());
      }
  
  }
  